2020-2026 Mercedes GLA SUV Display messages and warning/indicator lamps User Manual
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Display messages and warning/indicator lamps for Your Mercedes GLA SUV Second Generation (2020-2026)

Display messages
Introduction
▌Information about display messages
Display messages appear on the driver's display.
Display messages with graphical symbols are sim-
plied in the Owner's Manual and may dier from
the symbols on the driver's display. The driver's
display shows high-priority display messages in
red. Certain display messages are accompanied
by a warning tone.
Please act in accordance with the display mes-
sages and follow the additional notes in the Own-
er's Manual.
For some display messages, symbols will also be
shown:
R
Õ Further information
R
¨ Hide display message
With the le-hand Touch Control, you can select
the respective symbol by swiping to the le or
right. Pressing Õ displays further information on
the central display. Press the ¨ symbol to hide
the display message.
Display messages to be acknowledged can be hid-
den by pressing the back button G or with the
le-hand Touch Control. The display messages will
then be stored in the message memory.
Rectify the cause of a display message as quickly
as possible.
High-priority display messages cannot be hidden.
The driver's display will show these display mes-
sages continuously until the cause of the display
message has been rectied.
▌Calling up saved display messages
Driver's display:
4
Service
The Message memory: XXmessage appears on
the driver's display.
#
Scroll through the display messages by swip-
ing upwards or downwards on the le-hand
Touch Control.
#
To exit the display: press the G back but-
ton.
Display messages and warning/indicator lamps
777
F247 0074 02
Occupant safety
Display messages Possible causes/consequences and M Solutions
6
Restraint system malfunc-
tion Consult workshop
* The restraint system is malfunctioning (/ page 99).
&
WARNING Risk of injury due to malfunctions in the restraint system
Components in the restraint system may be activated unintentionally or not deploy as intended in an accident.
#
Have the restraint system checked and repaired immediately at a qualied specialist workshop.
Plug-in hybrid:
&
DANGER Risk of fatal injuries due to restraint system malfunctions
Components in the restraint system may be activated unintentionally or not deploy as planned in an accident. In
the event of an accident, the high-voltage on-board electrical system may not be deactivated as intended.
You may suer an electric shock if you touch the damaged components of the high-voltage on-board electrical
system.
#
Have the restraint system checked and repaired immediately at a qualied specialist workshop.
#
Aer an accident, switch o the vehicle immediately.
Recognition of a restraint system fault:
R
the 6 restraint system warning lamp does not light up when the vehicle is switched on
R
the 6 restraint system warning lamp lights up continuously or repeatedly during a journey
778
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
#
Consult a qualied specialist workshop immediately.
6
Front left malfunction Con-
sult workshop
* The restraint system is malfunctioning (/ page 99).
&
WARNING Risk of injury due to malfunctions in the restraint system
Components in the restraint system may be activated unintentionally or not deploy as intended in an accident.
#
Have the restraint system checked and repaired immediately at a qualied specialist workshop.
Plug-in hybrid:
&
DANGER Risk of fatal injuries due to restraint system malfunctions
Components in the restraint system may be activated unintentionally or not deploy as planned in an accident. In
the event of an accident, the high-voltage on-board electrical system may not be deactivated as intended.
You may suer an electric shock if you touch the damaged components of the high-voltage on-board electrical
system.
#
Have the restraint system checked and repaired immediately at a qualied specialist workshop.
#
Aer an accident, switch o the vehicle immediately.
Recognition of a restraint system fault:
R
the 6 restraint system warning lamp does not light up when the vehicle is switched on
R
the 6 restraint system warning lamp lights up continuously or repeatedly during a journey
Display messages and warning/indicator lamps
779
F247 0074 02
Display messages Possible causes/consequences and M Solutions
#
Consult a qualied specialist workshop immediately.
6
Front right malfunction
Consult workshop
* The restraint system is malfunctioning (/ page 99).
&
WARNING Risk of injury due to malfunctions in the restraint system
Components in the restraint system may be activated unintentionally or not deploy as intended in an accident.
#
Have the restraint system checked and repaired immediately at a qualied specialist workshop.
Plug-in hybrid:
&
DANGER Risk of fatal injuries due to restraint system malfunctions
Components in the restraint system may be activated unintentionally or not deploy as planned in an accident. In
the event of an accident, the high-voltage on-board electrical system may not be deactivated as intended.
You may suer an electric shock if you touch the damaged components of the high-voltage on-board electrical
system.
#
Have the restraint system checked and repaired immediately at a qualied specialist workshop.
#
Aer an accident, switch o the vehicle immediately.
Recognition of a restraint system fault:
R
the 6 restraint system warning lamp does not light up when the vehicle is switched on
R
the 6 restraint system warning lamp lights up continuously or repeatedly during a journey
780
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
#
Consult a qualied specialist workshop immediately.
6
Second row of seats, left
Malfunction Consult work-
shop
* The restraint system is malfunctioning (/ page 99).
&
WARNING Risk of injury due to malfunctions in the restraint system
Components in the restraint system may be activated unintentionally or not deploy as intended in an accident.
#
Have the restraint system checked and repaired immediately at a qualied specialist workshop.
Plug-in hybrid:
&
DANGER Risk of fatal injuries due to restraint system malfunctions
Components in the restraint system may be activated unintentionally or not deploy as planned in an accident. In
the event of an accident, the high-voltage on-board electrical system may not be deactivated as intended.
You may suer an electric shock if you touch the damaged components of the high-voltage on-board electrical
system.
#
Have the restraint system checked and repaired immediately at a qualied specialist workshop.
#
Aer an accident, switch o the vehicle immediately.
Recognition of a restraint system fault:
R
the 6 restraint system warning lamp does not light up when the vehicle is switched on
R
the 6 restraint system warning lamp lights up continuously or repeatedly during a journey
Display messages and warning/indicator lamps
781
F247 0074 02
Display messages Possible causes/consequences and M Solutions
#
Consult a qualied specialist workshop immediately.
6
Second row of seats, right
Malfunction Consult work-
shop
* The restraint system is malfunctioning (/ page 99).
&
WARNING Risk of injury due to malfunctions in the restraint system
Components in the restraint system may be activated unintentionally or not deploy as intended in an accident.
#
Have the restraint system checked and repaired immediately at a qualied specialist workshop.
Plug-in hybrid:
&
DANGER Risk of fatal injuries due to restraint system malfunctions
Components in the restraint system may be activated unintentionally or not deploy as planned in an accident. In
the event of an accident, the high-voltage on-board electrical system may not be deactivated as intended.
You may suer an electric shock if you touch the damaged components of the high-voltage on-board electrical
system.
#
Have the restraint system checked and repaired immediately at a qualied specialist workshop.
#
Aer an accident, switch o the vehicle immediately.
Recognition of a restraint system fault:
R
the 6 restraint system warning lamp does not light up when the vehicle is switched on
R
the 6 restraint system warning lamp lights up continuously or repeatedly during a journey
782
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
#
Consult a qualied specialist workshop immediately.
6
Left window airbag mal-
function Consult workshop
* The restraint system is malfunctioning (/ page 99).
&
WARNING Risk of injury or fatal injury due to a malfunction in the windowbag
The windowbag might be triggered unintentionally or might not be triggered at all in the event of an accident.
#
Have the windowbag checked and repaired immediately at a qualied specialist workshop.
#
Consult a qualied specialist workshop immediately.
6
Right window airbag mal-
function Consult workshop
* The restraint system is malfunctioning (/ page 99).
&
WARNING Risk of injury or fatal injury due to a malfunction in the windowbag
The windowbag might be triggered unintentionally or might not be triggered at all in the event of an accident.
#
Have the windowbag checked and repaired immediately at a qualied specialist workshop.
#
Consult a qualied specialist workshop immediately.
Front passenger airbag dis-
abled See Owner's Manual
* The front passenger airbag has been disabled even though an adult or a person of adult build is on the front passenger
seat. If additional forces are applied to the seat, the weight the system detects may be too low.
Display messages and warning/indicator lamps
783
F247 0074 02
Display messages Possible causes/consequences and M Solutions
&
WARNING ‑ Risk of injury or even fatal injury when the front passenger airbag is disabled
If the front passenger airbag is disabled, It will not be deployed in the event of an accident and cannot perform its
intended protective function.
A person in the front passenger seat could then, for example, come into contact with the vehicle interior, especially
if the person is sitting too close to the dashboard.
#
Be aware of the status of the front passenger airbag both before and during the journey.
#
Stop the vehicle immediately in accordance with the trac conditions.
#
Make sure that no objects are trapped under the front passenger seat.
#
Check the status of automatic front passenger airbag shuto (/ page 101).
#
If necessary, consult a qualied specialist workshop immediately.
Front passenger airbag ena-
bled See Owner's Manual
*
The front passenger airbag will be enabled while the vehicle is in motion in the following situations:
R
even when a child, a small adult or an object weighing less than the system weight threshold is located on the front
passenger seat
R
even when the front passenger seat is not occupied
The system may detect objects or forces that are adding to the weight applied to the seat.
784
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
&
WARNING Risk of injury or death when using a child restraint system while the front passenger airbag is ena-
bled
If you secure a child in a child restraint system on the front passenger seat and the front passenger airbag is ena-
bled, the front passenger airbag can deploy in the event of an accident.
The child could be struck by the airbag.
#
Ensure, both before and during the journey, that the status of the front passenger airbag is correct.
NEVER use a rearward facing child restraint on a seat protected by an ACTIVE AIRBAG in front of it, DEATH or
SERIOUS INJURY to the CHILD can occur.
#
Stop the vehicle immediately in accordance with the trac conditions.
#
Make sure that no objects are trapped under the front passenger seat.
#
Check the status of automatic front passenger airbag shuto (/ page 101).
#
If necessary, consult a qualied specialist workshop immediately.
Occupant presence
reminder inoperative
* The occupant presence reminder is malfunctioning
#
Consult a qualied specialist workshop.
Display messages and warning/indicator lamps
785
F247 0074 02
Display messages Possible causes/consequences and M Solutions
æ
Do not leave persons or
animals in the vehicle
* The occupant presence reminder suspects that there are persons or animals in the rear of the vehicle.
#
Do not leave any persons or animals behind when leaving the vehicle.
Key
Display messages Possible causes/consequences and M Solutions
Á
Replace key
* Have the key replaced.
#
Consult a qualied specialist workshop.
Á
Change key batteries
* The key battery is discharged.
#
Replace the battery (/ page 142).
786
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
Á
Key not detected (white dis-
play message)
* The key is currently undetected.
#
Change the location of the key in the vehicle.
#
Try to start the vehicle.
#
If the key is still not detected, place it in the slot for starting with the key (/ page 249).
#
Start the vehicle.
Á
Key not detected (red dis-
play message)
* The key can no longer be detected during a journey and may no longer be in the vehicle.
If the key is no longer in the vehicle and you switch o the vehicle:
R
You can no longer start the vehicle.
R
You cannot centrally lock the vehicle.
#
Ensure that the key is in the vehicle.
If the key is in the vehicle and is still not detected:
#
Stop the vehicle immediately in accordance with the trac conditions.
#
Place the key in the slot for starting the engine with the key (/ page 249).
The key battery is weak or discharged.
#
Check the battery using the indicator lamp (/ page 139).
#
Replace the key battery, if necessary (/ page 142).
Display messages and warning/indicator lamps
787
F247 0074 02
Display messages Possible causes/consequences and M Solutions
Á
Key being taught in Please
wait
* The vehicle is processing in order to teach in the new key.
#
Wait until processing is complete.
Place the key in the
marked space See Owner's
Manual
* Key detection is malfunctioning.
#
Change the location of the key in the vehicle.
#
Place the key in the slot for starting the engine with the key (/ page 249).
Lights
Display messages Possible causes/consequences and M Solutions
:
Malfunction See Owner's
Manual
* The exterior lighting is malfunctioning.
#
Consult a qualied specialist workshop.
* Vehicles with a trailer hitch: a fuse may have blown.
#
Stop the vehicle in accordance with the trac conditions.
#
Check the fuses and replace them if necessary (/ page 51).
788
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
:
Automatic driving lights
inoperative
* The light sensor for automatic driving lights is malfunctioning.
#
Consult a qualied specialist workshop.
:
Active Light System inoper-
ative
* The active headlamps are malfunctioning.
#
Consult a qualied specialist workshop.
:
Switch on headlamps
* You are driving without low-beam headlamps.
#
Turn the light switch to the L or à position.
:
Switch off lights
* You are leaving the vehicle and the lights are still switched on.
#
Turn the light switch to the à position.
Display messages and warning/indicator lamps
789
F247 0074 02
Display messages Possible causes/consequences and M Solutions
:
Dynamic low beam inopera-
tive
* The dynamic low beam is malfunctioning. The lighting system continues to function properly without the functions of
the Dynamic Light System.
#
Consult a qualied specialist workshop.
Adaptive Highbeam Assist
currently unavailable See
Owner's Manual
* Adaptive Highbeam Assist is temporarily unavailable.
The system limits have been reached (/ page 217).
Once the cause of the problem is no longer present, the system will be available again. The
Adaptive Highbeam
Assist available again
display message will appear.
#
Drive on
#
Operate the high beam manually until Adaptive High Beam Assist is available again.
Adaptive Highbeam Assist
inoperative
* Adaptive Highbeam Assist is malfunctioning.
#
Drive on
or
#
Stop the vehicle in accordance with the trac conditions and restart the vehicle.
#
If the display message does not disappear: consult a qualied specialist workshop.
#
Until then, operate the high beam manually.
790
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
Adaptive Highbeam Assist
Plus currently unavailable
See Owner's Manual
* Adaptive Highbeam Assist Plus is temporarily unavailable.
The system limits have been reached (/ page 218).
Once the cause of the problem is no longer present, the system will be available again. The
Adaptive Highbeam
Assist Plus available again
display message will appear.
#
Drive on
#
Operate the high beam manually until Adaptive High Beam Assist Plus is available again.
Adaptive Highbeam Assist
Plus inoperative
* Adaptive Highbeam Assist Plus is malfunctioning.
#
Drive on
or
#
Stop the vehicle in accordance with the trac conditions and restart the vehicle.
#
If the display message does not disappear: consult a qualied specialist workshop.
#
Until then, operate the high beam manually.
Hazard warning lamp sys-
tem Malfunction
* The hazard warning lamp switch is malfunctioning.
#
Consult a qualied specialist workshop.
:
Front left parking lights
* The front le parking light is malfunctioning.
#
Consult a qualied specialist workshop.
Display messages and warning/indicator lamps
791
F247 0074 02
Display messages Possible causes/consequences and M Solutions
:
Front right parking lights
* The front right parking light is malfunctioning.
#
Consult a qualied specialist workshop.
:
Left low beam
* The le low beam is malfunctioning.
#
Consult a qualied specialist workshop.
:
Right low beam
* The right low beam is malfunctioning.
#
Consult a qualied specialist workshop.
:
Left main beam
* The le high beam is malfunctioning.
#
Consult a qualied specialist workshop.
792
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
:
Right main beam
* The right high beam is malfunctioning.
#
Consult a qualied specialist workshop.
:
Left daytime running lights
* The le daytime running lights are malfunctioning.
#
Consult a qualied specialist workshop.
:
Right daytime running lights
* The right-hand daytime running lights are malfunctioning.
#
Consult a qualied specialist workshop.
:
Left cornering light
* The le cornering light is malfunctioning.
#
Consult a qualied specialist workshop.
Display messages and warning/indicator lamps
793
F247 0074 02
Display messages Possible causes/consequences and M Solutions
:
Right cornering light
* The right cornering light is malfunctioning.
#
Consult a qualied specialist workshop.
:
Left fog lamp
* The le-hand front fog lamp is malfunctioning.
#
Consult a qualied specialist workshop.
:
Right fog lamp
* The right-hand front fog lamp is malfunctioning.
#
Consult a qualied specialist workshop.
:
Front left turn signal
* The front le turn signal lamp is malfunctioning.
#
Consult a qualied specialist workshop.
794
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
:
Rear left turn signal
* The rear le turn signal lamp is malfunctioning.
#
Consult a qualied specialist workshop.
:
Front right turn signal
* The front right turn signal lamp is malfunctioning.
#
Consult a qualied specialist workshop.
:
Rear right turn signal
* The rear right turn signal lamp is malfunctioning.
#
Consult a qualied specialist workshop.
:
Left mirror turn signal
* The turn signal lamp on the le mirror is malfunctioning.
#
Consult a qualied specialist workshop.
Display messages and warning/indicator lamps
795
F247 0074 02
Display messages Possible causes/consequences and M Solutions
:
Right mirror turn signal
* The turn signal lamp on the right mirror is malfunctioning.
#
Consult a qualied specialist workshop.
:
Left brake lamp
* The le brake light is malfunctioning.
#
Consult a qualied specialist workshop.
:
Right brake lamp
* The right brake light is malfunctioning.
#
Consult a qualied specialist workshop.
:
Third brake lamp
* The third brake light is malfunctioning.
#
Consult a qualied specialist workshop.
796
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
:
Left tail light
* The le tail light is malfunctioning.
#
Consult a qualied specialist workshop.
:
Right tail light
* The right tail light is malfunctioning.
#
Consult a qualied specialist workshop.
:
Reversing light
* The reversing light is malfunctioning.
#
Consult a qualied specialist workshop.
:
Rear fog light
* The rear fog light is malfunctioning.
#
Consult a qualied specialist workshop.
Display messages and warning/indicator lamps
797
F247 0074 02
Display messages Possible causes/consequences and M Solutions
:
Number plate lamp
* The number plate lamp is malfunctioning.
#
Consult a qualied specialist workshop.
:
Trailer left turn signal
* The le turn signal lamp on the trailer is malfunctioning.
#
Consult a qualied specialist workshop.
:
Trailer right turn signal
* The right turn signal lamp on the trailer is malfunctioning.
#
Consult a qualied specialist workshop.
:
Trailer brake lamp
* The brake light on the trailer is malfunctioning.
#
Consult a qualied specialist workshop.
798
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
:
Trailer tail light
* A tail light on the trailer is malfunctioning.
#
Consult a qualied specialist workshop.
Inoperative indicator lamp
in driver display. Consult
workshop
* An indicator lamp on the driver's display is defective.
#
Consult a qualied specialist workshop.
Climate control
Display messages Possible causes/consequences and M Solutions
&
inoperative See Owner's
Man. (stationary heater)
* The stationary heater is temporarily malfunctioning.
#
When the vehicle is stationary on a level surface and the engine has cooled down, make up to four attempts to
switch on the stationary heater, waiting several minutes between each attempt.
#
If the stationary heater does not switch on, consult a qualied specialist workshop.
%
The stationary heater cannot be activated if the outside temperature is above 15°C.
Display messages and warning/indicator lamps
799
F247 0074 02
Display messages Possible causes/consequences and M Solutions
&
Currently unavailable Bat-
tery low
* The on-board electrical system voltage is too low.
The stationary heater has switched itself o.
#
Drive an extended distance until the battery has reached a sucient charge level again.
&
Currently unavailable Refuel
* There is too little fuel in the fuel tank. The stationary heater cannot be switched on.
#
Refuel the vehicle.
&
Currently unavailable High-
voltage battery charging
incomplete.
* The high-voltage battery is charging. Pre-entry climate control cannot be switched on.
#
Wait until the charging process has achieved a minimum state of charge.
800
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
&
Currently unavailable
Charge high-voltage battery
* The charge of the high-voltage battery is too low. Pre-entry climate control cannot be switched on.
#
Charge the high-voltage battery (/ page 291).
&
Pre-entry climate control
via key available again
after starting vehicle
* You have attempted to switch on pre-entry climate control more than twice with the vehicle switched o.
#
Start the vehicle for ten seconds.
Pre-entry climate control is operational again.
&
Pre-entry climate control
via key currently unavaila-
ble. High-voltage battery
low
* The charge of the high-voltage battery is too low. Pre-entry climate control cannot be switched on.
#
Charge the high-voltage battery (/ page 291).
When the high-voltage battery is suciently charged, pre-entry climate control will be operational again.
Display messages and warning/indicator lamps
801
F247 0074 02
Drive system
Display messages Possible causes/consequences and M Solutions
u
Towing not permitted See
Owner's Manual
* The drive system is malfunctioning.
#
Have the vehicle transported only using a transporter or trailer (/ page 611).
ò
Acoustic presence indica-
tor inoperative
* The sound generator (acoustic vehicle warning system) is malfunctioning. No vehicle noises are being produced. The
vehicle may not be heard by other road users.
#
Drive with particular care.
#
Consult a qualied specialist workshop.
è
Charger cable connected
* You cannot pull away while the charging cable is connected.
#
Disconnect the charging cable from the vehicle.
Not possible to unlock
charging cable See Own-
er's Manual
* The charging cable connector cannot be removed from the charging station's socket.
#
Press the EMERGENCY OFF switch on the charging station.
If the charging cable connector cannot be removed aer that:
802
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
#
Request service personnel from the operator of the charging station via the emergency call button or the emer-
gency numbers attached to the charging station.
Vehicle not currently being
charged Charging station
fault
* A malfunction has occurred in the charging station or the RFID card is not recognised.
#
Start the charging process at a dierent charging station.
or
#
Have the RFID card checked to ensure it is functioning.
Charging method currently
unavailable Please try
again or change charging
method
* A temporary malfunction has occurred in the charging station.
#
Wait until the malfunction has passed.
or
#
Start the charging process at a dierent charging station.
Charging fault Please
change charging method
See Owner's Manual
* A temporary malfunction has occurred in the charging station.
#
Wait until the malfunction has passed.
or
#
Start the charging process at a dierent charging station.
Only electric drive availa-
ble Power limited
* The fuel tank is empty and the combustion engine is switched o. The output of your vehicle is limited because you
are driving in electric mode.
Display messages and warning/indicator lamps
803
F247 0074 02
Display messages Possible causes/consequences and M Solutions
#
Refuel immediately.
Subsequently, there may be temporary restrictions in the availability of electric mode over a driving distance of
50 km.
If there is fuel in the vehicle, there is a fault with the combustion engine.
#
Consult a qualied specialist workshop.
"Electric" drive program
currently unavailable
* The state of charge of the high-voltage battery or the environmental conditions are not sucient for the Electric drive
program.
#
Continue driving and observe the notes on plug-in hybrid operation (/ page 244).
or
#
Charge the high-voltage battery (/ page 291).
Reduced drive system per-
formance See Owner's
Manual
* The drive system switches to emergency operation mode due to a malfunction.
#
Drive on carefully.
#
Consult a qualied specialist workshop.
Û
Battery overheated Stop,
everybody out! Outdoors if
possible
* Plug-in hybrid: the high-voltage battery is overheated. There is a risk of re.
#
Stop the vehicle immediately in accordance with the trac conditions.
#
If possible, stop the vehicle in the open air and ensure that all vehicle occupants get out.
%
Supporting vehicle functions may activate automatically, e.g. air-recirculation mode as part of climate control.
#
Do not continue driving.
804
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
#
If smoke is present, leave the danger zone and call the re service immediately.
#
Consult a qualied specialist workshop even if there are no external signs of a re.
Û
Malfunction
* The drive system is malfunctioning. A warning tone will also sound.
#
Consult a qualied specialist workshop.
Û
Malfunction Visit workshop
* The drive system is malfunctioning.
#
Consult a qualied specialist workshop.
Without changing gear,
consult workshop
* The drive system cannot be restarted due to a malfunction.
If the transmission position is changed using the DIRECT SELECT lever, the drive system will be switched o in park
position j or neutral i.
#
Consult a qualied specialist workshop and do not change the transmission position.
Consult workshop without
starting the vehicle again
* It is not possible to restart the drive system due to a malfunction.
#
Do not switch o the drive system; drive on to the nearest qualied specialist workshop.
Display messages and warning/indicator lamps
805
F247 0074 02
Display messages Possible causes/consequences and M Solutions
d
Malfunction
* The drive system is malfunctioning. The output of your vehicle is restricted.
#
Consult a qualied specialist workshop.
d
Stop Switch off the vehicle
* The drive system is malfunctioning.
#
Stop the vehicle immediately in accordance with the trac conditions and switch o the drive system. Do not con-
tinue driving, as the drive system is automatically deactivated.
#
Do not tow the vehicle; stop towing if necessary.
#
Consult a qualied specialist workshop.
d
Performance severely limi-
ted
* The drive system is outside the normal operating temperature range, e.g. due to extremely low or high outside temper-
atures.
The output is severely restricted.
Once the operating temperature of the drive system returns to normal, the full output will be available again. The dis-
play message will disappear.
* If the drive system power output is still reduced, there is a fault in the drive system.
#
Drive on carefully.
#
Consult a qualied specialist workshop.
806
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
6
Please wait Depressurising
fuel tank
* Vehicles with petrol engines: the pressure in the fuel tank is reduced before the fuel ller ap is opened. This pressure
reduction can take up to 15 minutes.
6
Fuel tank is depressurised
Ready for refuelling
* Vehicles with petrol engines: the pressure in the fuel tank is released and the fuel ller ap opens.
6
Tank ventilation Malfunc-
tion Consult workshop
* Vehicles with petrol engines: There is a malfunction in the fuel system.
#
Consult a qualied specialist workshop.
Display messages and warning/indicator lamps
807
F247 0074 02
Vehicle
Display messages Possible causes/consequences and M Solutions
* The driver's display is inoperative due to a failed soware update.
The display message will be shown every time the engine is started.
&
WARNING Risk of accident if the driver display fails
If the driver display has failed or is malfunctioning, function restrictions in systems relevant to safety cannot be
detected.
The operating safety of your vehicle may be impaired.
#
Drive on carefully.
#
Have the vehicle checked immediately at a qualied specialist workshop.
If the operating safety of your vehicle is impaired, park the vehicle immediately and safely. Contact a qualied special-
ist workshop.
Plug-in hybrid:
&
WARNING Risk of accident due to failure of the driver display
In the event that the driver display fails or malfunctions, you will not recognise function restrictions aecting sys-
tems relevant to safety. This may impair operating safety.
#
Park the vehicle safely as soon as possible and notify a qualied specialist workshop.
808
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
If the driver's display fails, you may not recognise function restrictions aecting systems relevant to safety or the
speed display, for example. The operating safety of the vehicle may be impaired (/ page 461).
#
Have the vehicle checked by a qualied specialist workshop immediately.
Vehicle is ready to drive
Shutdown occurs when
locked or automatically in
a few minutes
* You are leaving the vehicle in a ready-to-drive state.
#
Get out of the vehicle, secure it against rolling away and take the key with you.
#
If you do not leave the vehicle, switch o the electrical consumers, e.g. the seat heating. Otherwise, the 12 V
battery may discharge and starting the engine may be possible only with the help of a second battery (jump start).
Vehicle is ready to drive
Shutdown occurs when
locked or automatically in
XX mins
* You are about to leave the vehicle and the engine is running.
The vehicle will switch o automatically in 20 minutes.
#
To prevent the vehicle from switching o automatically, acknowledge the message on the central display of the
multimedia system.
* You are in the vehicle. Park position j is engaged and the engine is running.
Aer a certain holding time, this display message will appear on the driver display. The vehicle will then switch o
automatically aer a total of 20 minutes of holding time.
#
To prevent the vehicle from switching o automatically, acknowledge the message on the central display of the
multimedia system.
Display messages and warning/indicator lamps
809
F247 0074 02
Display messages Possible causes/consequences and M Solutions
ï
Trailer coupling Check
lock
(white display message)
* The trailer hitch is not operational during a journey with a trailer.
&
WARNING Risk of an accident if the ball neck is not locked
The trailer may become detached.
#
Stop the vehicle immediately in accordance with the trac conditions. Do not continue driving.
#
Uncouple the trailer and secure it against rolling away.
#
Initiate a new swivelling procedure and do not re-couple the trailer until the display message disappears.
#
Stop immediately in accordance with the trac conditions and switch o the vehicle.
#
Uncouple the trailer and secure it against rolling away.
#
Initiate a new swivel movement (/ page 38).
#
When the display message disappears, couple up the trailer and drive on.
If the display message does not disappear, the trailer hitch is malfunctioning and the ball neck is not locked.
#
Do not couple up the trailer. Drive on without the trailer. Note the reduced ground clearance due to the unlocked
ball neck.
#
Consult a qualied specialist workshop.
* When the vehicle is stationary with a coupled trailer, the trailer hitch is not operational.
#
Uncouple the coupled trailer and secure it against rolling away.
#
If the ball neck has been folded in: unlock the ball neck (/ page 38).
810
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
#
Swivel the ball neck into the end position manually and let it engage.
#
If the ball neck has been folded out: unlock the ball neck (/ page 38).
#
Swivel the ball neck beneath the bumper manually and let it engage.
If the display message does not disappear, the trailer hitch is malfunctioning and the ball neck is not locked.
#
Do not couple up the trailer. Drive on without the trailer. Note the reduced ground clearance due to the unlocked
ball neck.
#
Consult a qualied specialist workshop.
ï
Trailer coupling Check
lock
(red display message)
* The trailer hitch is not operational during a journey with a trailer.
&
WARNING Risk of an accident if the ball neck is not locked
The trailer may become detached.
#
Stop the vehicle immediately in accordance with the trac conditions. Do not continue driving.
#
Uncouple the trailer and secure it against rolling away.
#
Initiate a new swivelling procedure and do not re-couple the trailer until the display message disappears.
#
Stop immediately in accordance with the trac conditions and switch o the vehicle.
#
Uncouple the trailer and secure it against rolling away.
#
Initiate a new swivel movement (/ page 38).
#
When the display message disappears, couple up the trailer and drive on.
Display messages and warning/indicator lamps
811
F247 0074 02
Display messages Possible causes/consequences and M Solutions
If the display message does not disappear, the trailer hitch is malfunctioning and the ball neck is not locked.
#
Do not couple up the trailer. Drive on without the trailer. Note the reduced ground clearance due to the unlocked
ball neck.
#
Consult a qualied specialist workshop.
* When the vehicle is stationary with a coupled trailer, the trailer hitch is not operational.
#
Uncouple the coupled trailer and secure it against rolling away.
#
If the ball neck has been folded in: unlock the ball neck (/ page 38).
#
Swivel the ball neck into the end position manually and let it engage.
#
If the ball neck has been folded out: unlock the ball neck (/ page 38).
#
Swivel the ball neck beneath the bumper manually and let it engage.
If the display message does not disappear, the trailer hitch is malfunctioning and the ball neck is not locked.
#
Do not couple up the trailer. Drive on without the trailer. Note the reduced ground clearance due to the unlocked
ball neck.
#
Consult a qualied specialist workshop.
Head-up display currently
unavailable See Owner's
Manual
*
The head-up display is temporarily unavailable. Possible causes:
R
malfunctions in the power supply
R
signal interference
#
Stop in accordance with the trac conditions and switch the vehicle o and on again.
812
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
#
If the display message still appears, consult a qualied specialist workshop.
Head-up display inoperative
* The head-up display has an internal error.
#
Consult a qualied specialist workshop.
Ù
Steering malfunction
Increased physical effort
See Owner's Manual
* The power steering assistance is malfunctioning.
&
WARNING Risk of an accident due to altered steering characteristics
If the power assistance of the steering fails partially or completely, you will need to use more force to steer.
#
If safe steering is possible, drive on carefully.
#
Visit or consult a qualied specialist workshop immediately.
#
If safe steering is possible, drive on carefully.
#
Visit or consult a qualied specialist workshop immediately.
Ù
Steering malfunction Stop
immediately See Owner's
Manual
* The steering is malfunctioning. Steering capability is signicantly impaired.
&
WARNING Risk of accident if steering capability is impaired
If the steering does not function as intended, the vehicle's operating safety is jeopardised.
#
Pull over and stop the vehicle safely as soon as possible, paying attention to road and trac conditions. Do
not continue driving under any circumstances.
#
Consult a qualied specialist workshop.
Display messages and warning/indicator lamps
813
F247 0074 02
Display messages Possible causes/consequences and M Solutions
#
Stop the vehicle immediately in accordance with the trac conditions. Do not continue driving.
#
Consult a qualied specialist workshop.
Ù
Steering malfunction See
Owner's Manual
* The electric steering lock is malfunctioning. The steering may be locked by the electric steering lock.
&
WARNING Risk of accident if steering capability is impaired
If the steering does not function as intended, the vehicle's operating safety is jeopardised.
#
Pull over and stop the vehicle safely as soon as possible, paying attention to road and trac conditions. Do
not continue driving under any circumstances.
#
Consult a qualied specialist workshop.
#
Stop the vehicle immediately in accordance with the trac conditions. Do not continue driving.
#
Consult a qualied specialist workshop.
û
Before starting the engine,
turn the steering wheel.
* The electric steering lock could not unlock the steering.
#
Switch o the vehicle.
#
To unlock the steering, move the steering wheel slightly to the le and right.
#
Switch on the vehicle again.
Active bonnet malfunction
See Owner's Manual
* The active bonnet (pedestrian protection) is malfunctioning or inoperative aer having already been triggered.
#
Consult a qualied specialist workshop.
814
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
C
* At least one door is open.
#
Close all doors.
?
* The bonnet is open.
&
WARNING Risk of accident due to driving with the bonnet unlocked
The bonnet may open and block your view.
#
Never release the bonnet when driving.
#
Before every trip, ensure that the engine bonnet is locked.
#
Stop the vehicle immediately in accordance with the trac conditions.
#
Close the bonnet.
A
* The tailgate is open.
&
DANGER Risk of poisoning from exhaust gases
Combustion engines emit poisonous exhaust gases, such as carbon monoxide. Exhaust gases can enter the vehi-
cle interior if the tailgate is open when the engine is running, especially if the vehicle is in motion.
#
Always switch o the engine before opening the tailgate.
#
Never drive with the tailgate open.
Display messages and warning/indicator lamps
815
F247 0074 02
Display messages Possible causes/consequences and M Solutions
#
Close the tailgate.
Anti-theft alarm system
Malfunction
* The anti-the alarm system is malfunctioning.
#
Consult a qualied specialist workshop.
¥
Top up washer fluid
* The washer uid level in the washer uid reservoir has dropped below the minimum.
#
Top up the washer uid (/ page 26).
Wiper Malfunction
* The windscreen wiper is malfunctioning.
#
Restart the vehicle.
If the display message still appears:
#
Consult a qualied specialist workshop.
4matic currently unavaila-
ble
* 4MATIC is currently unavailable.
#
Drive on carefully.
#
Consult a qualied specialist workshop.
4matic inoperative
* 4MATIC is inoperative.
#
Drive on carefully.
#
Consult a qualied specialist workshop.
816
Display messages and warning/indicator lamps
F247 0074 02
Engine
Display messages Possible causes/consequences and M Solutions
To switch off the vehicle,
press the Start/Stop but-
ton for at least 3 seconds
or 3 times
* You have pressed the start/stop button while the vehicle is in motion.
#
Information about switching o the vehicle while driving (/ page 247).
+
Top up coolant See Own-
er’s Manual
* The coolant level is too low.
*
NOTE Engine damage due to insucient coolant
#
Avoid long journeys with insucient coolant.
#
Add coolant (/ page 582).
#
Have the engine cooling system checked at a qualied specialist workshop.
ÿ
Coolant Stop Switch off
the vehicle
* The coolant is too hot.
#
Stop immediately in accordance with the trac conditions and switch o the vehicle.
Display messages and warning/indicator lamps
817
F247 0074 02
Display messages Possible causes/consequences and M Solutions
&
WARNING Risk of burns when opening the bonnet
If you open the bonnet in the event of an overheated engine or re in the engine compartment, the following situa-
tions may occur:
R
You may come into contact with hot gases.
R
You may come into contact with other escaping hot operating uids.
#
Before opening the bonnet, allow the engine to cool down.
#
In the event of a re in the engine compartment, keep the bonnet closed and call the re service.
#
Wait until the engine has cooled down.
#
Make sure that the air supply to the radiator is not obstructed.
#
Avoiding high loads on the engine, drive to the nearest qualied specialist workshop. In doing so, ensure that the
coolant temperature display remains below 120°C.
!
Clean the fuel filter
* Vehicles with diesel engines: the fuel lter is dirty or the water in the fuel lter needs to be drained.
#
Consult a qualied specialist workshop.
818
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
ý
Replace air filter
* Vehicles with diesel engines: the engine air lter is dirty and must be replaced.
#
Consult a qualied specialist workshop.
æ
Reserve fuel
* The fuel supply has dropped into the reserve range.
#
Refuel.
Drive system Malfunction
Visit workshop
* The drive system is malfunctioning.
#
Consult a qualied specialist workshop.
Drive system malfunction
Stop Switch off the vehicle
* The drive system is malfunctioning.
#
Stop the vehicle immediately, paying attention to road and trac conditions, and switch o the engine.
#
Consult a qualied specialist workshop.
Display messages and warning/indicator lamps
819
F247 0074 02
Transmission
Display messages Possible causes/consequences and M Solutions
Only select P when vehicle
is stationary
* It is possible to select the park position j only if the vehicle is stationary.
#
Depress the brake pedal to stop.
#
Shi the transmission to park position j when the vehicle is stationary.
Apply brake to deselect P
position
* You have attempted to shi the transmission out of park position j and into another transmission position.
#
Depress the brake pedal.
#
Select transmission position h, k or neutral i.
Apply brake and start vehi-
cle to shift out of P or N
* You have attempted to shi the transmission out of park position j or neutral i and into another transmission posi-
tion.
#
Depress the brake pedal.
#
Start the vehicle.
#
Change the transmission position.
Apply brake to engage D or
R
* You have attempted to select transmission position h or k.
#
Depress the brake pedal.
#
Select transmission position h or k.
Apply brake to engage R
* You have attempted to select transmission position k.
#
Depress the brake pedal.
820
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
#
Select transmission position k.
Apply parking brake to
park Visit workshop
* A malfunction has occurred in the emergency power supply to park position j.
#
Consult a qualied specialist workshop.
#
Until then, always select park position j manually before you switch o the vehicle.
#
Before leaving the vehicle, apply the electric parking brake.
Risk of vehicle rolling away
Driver's door open Trans-
mission not in P
* The driver's door is not fully closed and transmission position h, k or neutral i is selected.
The vehicle may roll away.
#
Select park position j when switching o the vehicle.
Risk of vehicle rolling away
Apply parking brake to park
* The transmission is malfunctioning. Park position j cannot be selected.
#
Park the vehicle safely.
#
Use the electric parking brake to secure the vehicle against rolling away.
#
On gradients, turn the front wheels so that the vehicle will roll towards the kerb if it starts moving.
N permanently active Risk
of vehicle rolling
* Neutral i has been engaged while the vehicle is moving or while you are driving.
#
Depress the brake pedal to stop.
#
Shi the transmission to park position j when the vehicle is stationary.
#
To continue driving, select transmission position h or k.
Display messages and warning/indicator lamps
821
F247 0074 02
Display messages Possible causes/consequences and M Solutions
Reversing not poss. Con-
sult workshop
* The transmission is malfunctioning. It is not possible to select transmission position k.
#
Consult a qualied specialist workshop.
Transmission Malfunction
Stop
* The transmission is malfunctioning. The transmission shis to neutral i automatically.
#
Stop the vehicle immediately in accordance with the trac conditions.
#
Depress the brake pedal.
#
Engage park position j.
#
Consult a qualied specialist workshop.
Consult workshop without
changing the transmission
position
* The transmission is malfunctioning. It is no longer possible to change the transmission position.
#
If transmission position h is selected, consult a qualied specialist workshop and do not change the transmission
position.
#
For all other transmission positions, park the vehicle safely.
#
Consult a qualied specialist workshop.
Transmission Malfunction
* The transmission is malfunctioning. The cause could be an overheated clutch or blocked gears.
#
Let the transmission cool down.
#
If the display message still appears following a restart, consult a qualied specialist workshop.
822
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
d
Transmission oil overhea-
ted Drive on with care
* The transmission is overheating. When the display message is active, start-up and driving characteristics may be tem-
porarily impaired.
#
Drive at low engine speed.
#
Avoid sporty driving.
#
Before pulling away on uphill gradients, let the transmission cool down until the display message disappears.
j
Parking lock inoperative
Apply the parking brake
* The transmission is malfunctioning. Park position j cannot be selected.
#
Park the vehicle safely.
#
Use the electric parking brake to secure the vehicle against rolling away.
Teaching in transmission
Operate selector lever
Brake for XX seconds Risk
of vehicle rolling
* The transmission is being taught in. There is a risk of the vehicle rolling away.
#
Depress and hold the brake pedal until the teach-in process has been completed.
The electric parking brake will be applied automatically during the teach-in procedure.
#
Switch on the vehicle.
#
Select park position j, transmission position k or neutral i.
Teaching in transmission
complete
* The transmission's teach-in process is complete. All transmission positions can be selected again.
Display messages and warning/indicator lamps
823
F247 0074 02
Display messages Possible causes/consequences and M Solutions
Transmission Malfunction
Visit workshop
* The transmission is malfunctioning.
Consult a qualied specialist workshop.
Auxiliary battery malfunc-
tion
(white display message)
* There is a malfunction in the auxiliary battery.
#
Consult a qualied specialist workshop.
#
Until then, always select park position j manually before you switch o the vehicle.
#
Before leaving the vehicle, apply the electric parking brake.
Auxiliary battery malfunc-
tion
(red display message)
* There is a malfunction in the auxiliary battery.
#
Consult a qualied specialist workshop.
#
Until then, always select park position j manually before you switch o the vehicle.
#
Before leaving the vehicle, apply the electric parking brake.
824
Display messages and warning/indicator lamps
F247 0074 02
Brakes
Display messages Possible causes/consequences and M Solutions
!
Parking brake See Owner's
Manual
* The yellow ! indicator lamp is lit. The electric parking brake is malfunctioning.
To apply:
#
Switch the vehicle o and switch it back on
#
Apply the electric parking brake manually (/ page 317).
If it is not possible to apply the electric parking brake:
#
Consult a qualied specialist workshop.
#
Where necessary, also secure the parked vehicle against rolling away.
* The yellow ! indicator lamp and the red ! indicator lamp are lit. The electric parking brake is malfunctioning.
To release:
#
Switch the vehicle o and switch it back on
#
Release the electric parking brake manually (/ page 317).
or
#
Release the electric parking brake automatically (/ page 317).
If it is still not possible to release the electric parking brake:
#
Do not continue driving. Consult a qualied specialist workshop.
* The yellow ! indicator lamp is lit and the red ! indicator lamp is ashing. The electric parking brake is malfunc-
tioning.
Display messages and warning/indicator lamps
825
F247 0074 02
Display messages Possible causes/consequences and M Solutions
The electric parking brake could not be applied or released.
#
Switch the vehicle o and switch it back on
To apply:
#
Release and then apply the electric parking brake manually (/ page 317).
To release:
#
Apply and then release the electric parking brake manually.
If it is not possible to apply the electric parking brake or the red ! indicator lamp continues to ash:
#
Do not continue driving. Consult a qualied specialist workshop.
#
Where necessary, also secure the parked vehicle against rolling away.
* The yellow ! indicator lamp is lit and the red ! indicator lamp ashes for approximately ten seconds aer the
electric parking brake has been applied or released. It then remains lit or goes out. The electric parking brake is mal-
functioning.
If the state of charge is too low:
#
Charge the 12 V battery.
To apply:
#
Switch o the vehicle.
The electric parking brake will be applied automatically.
826
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
If you do not want the electric parking brake to be applied, e.g. at an automatic car wash or when the vehicle is being
towed, leave the vehicle switched on. This does not include having the vehicle towed with the rear axle raised.
If the electric parking brake is not applied automatically:
#
Switch the vehicle o and switch it back on
#
Release and then apply the electric parking brake manually (/ page 317).
If it is still not possible to apply the electric parking brake:
#
Consult a qualied specialist workshop.
#
Where necessary, also secure the parked vehicle against rolling away.
To release:
#
If the conditions for automatic release are fullled and the electric parking brake is not released automatically,
release the electric parking brake manually (/ page 317).
If it is still not possible to release the electric parking brake:
#
Do not continue driving. Consult a qualied specialist workshop.
!
Release parking brake
* The red ! indicator lamp is ashing.
The electric parking brake is applied while you are driving:
R
A condition for automatic release of the electric parking brake has not been fullled (/ page 317).
R
You are performing emergency braking using the electric parking brake (/ page 319).
Display messages and warning/indicator lamps
827
F247 0074 02
Display messages Possible causes/consequences and M Solutions
#
Check the conditions for automatic release of the electric parking brake.
#
Release the electric parking brake manually.
!
Parking brake Switch on
vehicle to release
* The red ! indicator lamp is lit.
You have attempted to release the electric parking brake with the vehicle switched o.
#
Switch on the vehicle.
J
Check brake fluid level
* There is insucient brake uid in the brake uid reservoir.
&
WARNING Risk of an accident due to low brake uid level
If the brake uid level is too low, the braking eect and the braking characteristics may be impaired.
#
Stop the vehicle as soon as possible, paying attention to road and trac conditions. Do not continue driving.
#
Consult a qualied specialist workshop.
#
Do not top up the brake uid.
#
Stop the vehicle immediately in accordance with the trac conditions. Do not continue driving.
#
Do not top up the brake uid.
#
Consult a qualied specialist workshop.
828
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
Check brake pads See
Owner's Manual
* The brakepads have reached the wear limit.
#
Consult a qualied specialist workshop.
Driving and driving safety systems
Display messages Possible causes/consequences and M Solutions
!
÷
currently unavailable See
Owner's Manual
(ABS and
ESP
®
)
*
ABS and ESP
®
are temporarily unavailable.
Other driving systems and driving safety systems (e.g. BAS) may also be temporarily unavailable.
The brake system will continue to operate normally. Braking distance may increase in an emergency braking situation.
&
WARNING Risk of skidding if ABS and ESP
®
are malfunctioning
The wheels may lock during braking and ESP
®
does not perform any vehicle stabilisation.
The steerability and braking characteristics are heavily impaired and the braking distance may increase. In addi-
tion, other driving safety systems are switched o.
#
Drive carefully on a suitable stretch of road, making slight steering movements at a speed above 30 km/h.
#
If the display message does not disappear, consult a qualied specialist workshop immediately. Drive care-
fully.
#
Drive carefully on a suitable stretch of road, making slight steering movements at a speed above 30 km/h.
#
If the display message does not disappear, consult a qualied specialist workshop immediately. Drive carefully.
Display messages and warning/indicator lamps
829
F247 0074 02
Display messages Possible causes/consequences and M Solutions
!
÷
inoperative See Owner's
Manual
(ABS and ESP
®
)
*
ABS and ESP
®
are malfunctioning.
Other driving systems and driving safety systems (e.g. BAS) may also be malfunctioning.
The brake system will continue to operate normally. Braking distance may increase in an emergency braking situation.
&
WARNING Risk of skidding if ABS and ESP
®
are malfunctioning
The wheels may block during braking and ESP
®
does not perform any vehicle stabilization.
The steerability and braking characteristics are heavily impaired and the braking distance may increase. In addi-
tion, other driving safety systems are switched o.
#
Drive on carefully.
#
Have ABS and ESP
®
checked immediately at a qualied specialist workshop.
#
Drive on carefully.
#
Consult a qualied specialist workshop immediately.
÷
currently unavailable See
Owner's Manual (ESP
®
)
*
ESP
®
is temporarily unavailable.
Other driving systems and driving safety systems (e.g. BAS) may also be malfunctioning.
&
WARNING Risk of skidding if ESP is malfunctioning
®
If ESP
®
is malfunctioning, ESP
®
cannot carry out vehicle stabilisation. In addition, other driving safety systems are
switched o.
830
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
#
Drive carefully on a suitable stretch of road, making slight steering movements at a speed above 30 km/h.
#
If the display message does not disappear, consult a qualied specialist workshop immediately. Drive care-
fully.
#
Drive carefully on a suitable stretch of road, making slight steering movements at a speed above 30 km/h.
#
If the display message does not disappear, consult a qualied specialist workshop immediately. Drive carefully.
÷
inoperative See Owner's
Manual
(ESP
®
)
*
ESP
®
is malfunctioning.
Other driving systems and driving safety systems (e.g. BAS) may also be malfunctioning.
The brake system will continue to operate normally. Braking distance may increase in an emergency braking situation.
&
WARNING Risk of skidding if ESP
®
is malfunctioning
If ESP
®
is malfunctioning, ESP
®
cannot carry out vehicle stabilisation. In addition, other driving safety systems are
switched o.
#
Drive on carefully.
#
Have ESP
®
checked at a qualied specialist workshop.
#
Drive on carefully.
#
Consult a qualied specialist workshop immediately.
Display messages and warning/indicator lamps
831
F247 0074 02
Display messages Possible causes/consequences and M Solutions
T
!
÷
inoperative See Owner's
Manual
(EBD, ABS and
ESP
®
)
*
EBD, ABS and ESP
®
are malfunctioning.
Other driving systems and driving safety systems (e.g. BAS) may also be malfunctioning.
&
WARNING Risk of skidding if EBD, ABS and ESP
®
are malfunctioning
The wheels may block during braking and ESP
®
does not perform any vehicle stabilization.
The steerability and braking characteristics are heavily impaired and the braking distance may increase. In addi-
tion, other driving safety systems are switched o.
#
Drive on carefully.
#
Have the brake system checked immediately at a qualied specialist workshop.
#
Drive on carefully.
#
Consult a qualied specialist workshop immediately.
ë
Off
* The HOLD function is deactivated because the vehicle is slipping or a condition for activation is not fullled.
#
Reactivate the HOLD function later or check the activation conditions for the HOLD function (/ page 330).
832
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
é
ATTENTION ASSIST: Take a
break!
* ATTENTION ASSIST has detected fatigue or an increasing lack of concentration on the part of the driver
(/ page 332).
#
If necessary, take a break.
h
- - - km/h
* Cruise control cannot be activated as not all activation conditions are fullled.
#
Observe the activation conditions for cruise control (/ page 335).
Cruise control inoperative
* Cruise control is malfunctioning.
#
Consult a qualied specialist workshop.
Cruise control and Limiter
inoperative
* Cruise control and the limiter are malfunctioning.
#
Consult a qualied specialist workshop.
Cruise control off
* Cruise control has been deactivated.
If there is an additional warning tone, cruise control has been deactivated automatically (/ page 334).
Display messages and warning/indicator lamps
833
F247 0074 02
Display messages Possible causes/consequences and M Solutions
È
- - - km/h
* The limiter can temporarily not be engaged. Once the cause of the problem is no longer present, the system will be
available again.
È
passive
* If you depress the accelerator pedal beyond the point of resistance (kickdown), the limiter will be switched to passive
mode (/ page 335).
Limiter inoperative
* The limiter is malfunctioning.
#
Consult a qualied specialist workshop.
Speed Limit Assist cur-
rently unavailable See Own-
er's Manual
* Speed Limit Assist is temporarily unavailable.
#
Drive on
Once the cause of the problem is no longer present, the system will be available again.
Speed Limit Assist inopera-
tive
* Speed Limit Assist is malfunctioning.
#
Drive on
or
#
Stop the vehicle in accordance with the trac conditions and restart the vehicle.
#
If the display message does not disappear: consult a qualied specialist workshop.
834
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
Speed limit (winter tyres)
XXX km/h
* You have reached the maximum permissible stored speed for winter tyres. It is not possible to exceed this speed.
ð
Maximum speed exceeded
* You have exceeded the maximum permissible speed (for certain countries only).
#
Drive more slowly.
Traffic Sign Assist currently
unavailable See Owner's
Manual
* Trac Sign Assist is temporarily unavailable.
Once the cause of the problem is no longer present, the system will be available again.
#
Continue driving in compliance with the trac regulations.
Traffic Sign Assist inopera-
tive
* Trac Sign Assist is malfunctioning.
#
Continue driving in compliance with the trac regulations.
or
#
Stop the vehicle in accordance with the trac conditions and restart the vehicle.
#
If the display message does not disappear: consult a qualied specialist workshop.
Display messages and warning/indicator lamps
835
F247 0074 02
Display messages Possible causes/consequences and M Solutions
ä
Fault Drive at max. 80
km/h
* The adjustable damping is malfunctioning. The vehicle's handling characteristics may be aected.
#
Do not drive at speeds greater than 80 km/h.
#
Consult a qualied specialist workshop.
ä
Fault Drive at max. 80
km/h
* AMG RIDE CONTROL is malfunctioning. The vehicle's handling characteristics may be aected.
#
Do not drive at speeds greater than 80 km/h.
#
Consult a qualied specialist workshop.
AMG Ride Control Function
limited See Owner's Manual
* At least one of the main functions of AMG RIDE CONTROL is malfunctioning.
The system is outside the operating temperature range or the on-board electrical system voltage is too low.
Once the cause of the problem is no longer present, the system will be available again.
*
NOTE The vehicle's suspension and damping behaviour is restricted. The vehicle body may tilt heavily to the
side during cornering.
#
Drive on carefully.
#
Reduce speed considerably before taking a bend.
#
Avoid sudden steering movements.
836
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
#
Drive on carefully.
#
Reduce speed considerably before taking a bend.
#
Avoid sudden steering movements.
î
inoperative
* DSR is malfunctioning.
#
Consult a qualied specialist workshop.
î
Max. speed 40 km/h
* The maximum speed of 40 km/h for DSR has been exceeded.
#
Drive more slowly.
î
Not in curr. drive prog.
* The Downhill Speed Regulation is not available in the currently selected drive program.
#
Change the drive program.
RACE START cancelled
*
Possible causes:
R
you released the accelerator pedal during RACE START.
R
you depressed the brake pedal during RACE START.
Display messages and warning/indicator lamps
837
F247 0074 02
Display messages Possible causes/consequences and M Solutions
#
You can try RACE START again at the next start.
Driver assistance systems
Display messages Possible causes/consequences and M Solutions
ç
- - - km/h
* Active Distance Assist DISTRONIC cannot be activated as not all activation conditions are fullled.
#
Comply with the activation conditions of Active Distance Assist DISTRONIC (/ page 340).
ç
suspended
* If you depress the accelerator pedal beyond the setting of Active Distance Assist DISTRONIC, the system will switch to
passive mode (/ page 337).
ç
Off
* Active Distance Assist DISTRONIC was deactivated. If a warning tone also sounds, Active Distance Assist DISTRONIC
has deactivated automatically (/ page 340).
838
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
Active Distance Assist cur-
rently unavailable See Own-
er's Manual
* Active Distance Assist DISTRONIC is temporarily unavailable.
The ambient conditions are outside the system limits (/ page 337).
As soon as the ambient conditions are within the system limits, the system will become available again.
#
Drive on carefully.
or
#
If the display message does not disappear, stop the vehicle in accordance with the trac conditions and restart
the vehicle.
Active Distance Assist inop-
erative
* Active Distance Assist DISTRONIC and Active Emergency Stop Assist are malfunctioning.
Other driving systems and driving safety systems may also be malfunctioning.
#
Drive on carefully.
or
#
Stop the vehicle in accordance with the trac conditions and restart the vehicle.
#
If the display message does not disappear: consult a qualied specialist workshop.
Active Distance Assist
available again
* Active Distance Assist DISTRONIC is operational again.
#
Switch on Active Distance Assist DISTRONIC (/ page 340).
Active Brake Assist Func-
tions currently limited See
Owner's Manual
*
For vehicles with the Driving Assistance Package, the following functions may be temporarily unavailable or only parti-
ally available:
R
Active Brake Assist with turning manoeuvre function
Display messages and warning/indicator lamps
839
F247 0074 02
Display messages Possible causes/consequences and M Solutions
R
Active Evasive Steering Assist
The ambient conditions are outside the system limits (/ page 351).
Vehicles without the Driving Assistance Package: Active Brake Assist is temporarily unavailable.
#
Drive on carefully.
As soon as the ambient conditions are within the system limits, the system will become available again.
or
#
If the display message does not disappear, stop the vehicle in accordance with the trac conditions and restart
the vehicle.
Active Brake Assist Func-
tions limited See Owner's
Manual
*
For vehicles with the Driving Assistance Package, the following functions may be temporarily unavailable or only parti-
ally available:
R
Active Brake Assist with turning manoeuvre function
R
Active Evasive Steering Assist
Vehicles without the Driving Assistance Package: Active Brake Assist is temporarily unavailable or only partially availa-
ble.
#
Drive on carefully.
or
#
Stop the vehicle in accordance with the trac conditions and restart the vehicle.
#
If the display message does not disappear: consult a qualied specialist workshop.
840
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
Active Steering Assist cur-
rently unavailable See Own-
er's Manual
* Active Steering Assist is temporarily unavailable.
The ambient conditions are outside the system limits (/ page 347).
As soon as the ambient conditions are within the system limits, the system will become available again.
#
Drive on
#
Check the tyre pressure if necessary.
Active Steering Assist inop-
erative
* Active Steering Assist and Active Emergency Stop Assist are malfunctioning. Active Distance Assist DISTRONIC
remains available.
#
Drive on
or
#
Stop the vehicle in accordance with the trac conditions and restart the vehicle.
#
If the display message does not disappear: consult a qualied specialist workshop.
Ø
* Active Steering Assist has reached the system limits (/ page 347).
You have not steered independently for a considerable period of time.
#
Take over the steering and drive on in accordance with the trac conditions.
Active Steering Assist cur-
rently unavailable due to
multiple emergency stops
* Active Steering Assist is temporarily unavailable due to multiple emergency stops.
#
Take over the steering and stop in accordance with the trac conditions.
#
Switch the vehicle o and switch it back on
Active Steering Assist is available once more.
Display messages and warning/indicator lamps
841
F247 0074 02
Display messages Possible causes/consequences and M Solutions
Ø
Beginning emergency stop
* Your hands are not on the steering wheel. Emergency stop is initiated (/ page 347).
#
Actively steer.
#
Accelerate or brake.
Information on cancelling an emergency stop (/ page 350).
Blind Spot Assist currently
unavailable See Owner's
Manual
* Blind Spot Assist is temporarily unavailable.
The system limits have been reached (/ page 364).
Once the cause of the problem is no longer present, the system will be available again.
#
Drive on
or
#
If the display message does not disappear, stop the vehicle in accordance with the trac conditions and restart
the vehicle.
Blind Spot Assist inopera-
tive
* Blind Spot Assist or the exit warning is malfunctioning.
#
Drive on
or
#
Stop the vehicle in accordance with the trac conditions and restart the vehicle.
#
If the display message does not disappear: consult a qualied specialist workshop.
842
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
Blind Spot Assist unavaila-
ble when towing a trailer
See Owner's Manual
* When you establish the electrical connection to the trailer, Blind Spot Assist will be unavailable.
#
Press the le-hand Touch Control and acknowledge the display message.
Active Lane Keeping Assist
currently unavailable See
Owner's Manual
* Active Lane Keeping Assist is temporarily unavailable.
The ambient conditions are outside the system limits (/ page 366).
As soon as the ambient conditions are within the system limits, the system will become available again.
#
Drive on
Active Lane Keeping Assist
inoperative
* Active Lane Keeping Assist and Active Emergency Stop Assist are malfunctioning.
#
Drive on
or
#
Stop the vehicle in accordance with the trac conditions and restart the vehicle.
#
If the display message does not disappear: consult a qualied specialist workshop.
Active Lane Keeping Assist
functions restricted See
Owner's Manual
* Active Lane Keeping Assist is available but restricted.
#
Drive on
or
#
Stop the vehicle in accordance with the trac conditions and restart the vehicle.
#
If the display message does not disappear: consult a qualied specialist workshop.
Display messages and warning/indicator lamps
843
F247 0074 02
Display messages Possible causes/consequences and M Solutions
¸
ð
ç
Ó
temporarily unavailable
Sensors dirty
*
Front and corner radar sensors (hereaer "sensors") are malfunctioning. Possible causes:
R
The sensors are dirty
R
Heavy rain or snow
R
Extended country driving without other trac, e.g. in the desert
Driving systems and driving safety systems may be malfunctioning or temporarily unavailable. The brake system, steer-
ing and drive system will continue to function normally.
#
Drive on carefully.
Once the causes of the problem are no longer present, the driving systems and driving safety systems will be available
again and the corresponding symbols will be switched o.
If the display message does not disappear:
#
Stop the vehicle in accordance with the trac conditions.
#
Clean all sensor covers from the outside (/ page 321).
#
Restart the vehicle.
844
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
ê
ð
Ó
¬
ç
Ô
Camera view restricted
See Owner's Manual
*
The view of the multifunction camera is restricted. Possible causes:
R
Dirt on the windscreen in the eld of vision of the multifunction camera
R
Heavy rain, snow or fog
R
Mist on the inside of the windscreen: in certain weather conditions, mist can form on the inside or outside of the
windscreen during cold times of year in particular.
%
This mist on the windscreen will be removed automatically within a short time with the aid of a heater. The restric-
tion is temporary.
Driving systems and driving safety systems may be malfunctioning or temporarily unavailable. The brake system, steer-
ing and drive system will continue to function normally.
#
Drive on carefully.
#
To remove mist from the outside, wipe once (/ page 224).
#
To remove mist from the inside, press ¬ (/ page 237).
Once the causes of the problem are no longer present, the driving systems and driving safety systems will be available
again and the corresponding symbols will be switched o.
If the display message does not disappear even aer a longer driving time of about 15 minutes:
#
Stop the vehicle in accordance with the trac conditions.
#
Clean the windscreen, especially in the position of the multifunction camera (/ page 321).
#
Restart the vehicle.
Display messages and warning/indicator lamps
845
F247 0074 02
Display messages Possible causes/consequences and M Solutions
ð
¸
±
Restricted during trailer
operation
* When the trailer socket is occupied, some driving systems will be available only to a limited extent.
#
Drive carefully if you are towing a trailer or have the bicycle rack mounted.
PRE-SAFE inoperative See
Owner's Manual
*
The PRE‑SAFE
®
functions are malfunctioning.
#
Consult a qualied specialist workshop.
Parking assistance systems
Display messages Possible causes/consequences and M Solutions
PARKTRONIC inoperative
See Owner's Manual
* Parking Assist PARKTRONIC is malfunctioning.
Once the cause of the problem is no longer present, the system will be available again.
846
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
#
Continue driving while paying attention to the vehicle's surroundings.
or
#
Stop the vehicle in accordance with the trac conditions and restart the vehicle.
#
If the display message still appears, consult a qualied specialist workshop.
Active Parking Assist and
PARKTRONIC inoperative
See Owner's Manual
* Active Parking Assist and Parking Assist PARKTRONIC are malfunctioning.
Once the cause of the problem is no longer present, the system will be available again.
#
Continue driving while paying attention to the vehicle's surroundings.
or
#
Stop the vehicle in accordance with the trac conditions and restart the vehicle.
#
If the display message still appears, consult a qualied specialist workshop.
Mercedes-Benz emergency call system
Display messages Possible causes/consequences and M Solutions
G
Inoperative
* The Mercedes-Benz emergency call system is malfunctioning. The Mercedes me connect system is also malfunction-
ing.
#
Consult a qualied specialist workshop.
Display messages and warning/indicator lamps
847
F247 0074 02
Battery
Display messages Possible causes/consequences and M Solutions
#
12 V on-board electrical
system Visit workshop
* The 12 V on-board electrical system is malfunctioning.
#
Consult a qualied specialist workshop immediately.
#
Stop vehicle See Owner's
Manual
* The 12 V battery is no longer being charged and the state of charge is too low.
*
NOTE Possible engine damage if you continue driving
#
Do not continue driving under any circumstances.
#
Consult a qualied specialist workshop.
#
Stop the vehicle immediately in accordance with the trac conditions. Do not continue driving.
#
Switch o the vehicle.
#
Consult a qualied specialist workshop.
848
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
#
Start the vehicle to charge
the 12 V battery
* The vehicle is o and the state of charge of the 12 V battery is too low.
#
Switch o electrical consumers that are not required.
#
Drive for 30–60 mins.
or
#
Charge the 12 V battery when stationary (/ page 49).
#
Plug-in hybrid: Charge the vehicle at a charging station (/ page 291).
#
Stop vehicle Leave vehicle
on to charge the 12 V bat-
tery
* The state of charge of the 12 V battery is too low.
#
Stop the vehicle immediately in accordance with the trac conditions. Do not continue driving.
#
Leave the vehicle running
#
If the display message disappears: drive on.
#
If the display message does not disappear: consult a qualied specialist workshop.
Û
Battery overheated Stop,
everybody out! Outdoors if
possible
* The 48 V battery is overheating. There is a risk of re.
#
Stop the vehicle immediately in accordance with the trac conditions.
#
If possible, stop the vehicle in the open air and ensure that all vehicle occupants get out.
%
Supporting vehicle functions may activate automatically, e.g. air-recirculation mode as part of climate control.
#
Do not continue driving.
#
If smoke is present, leave the danger zone and call the re service immediately.
Display messages and warning/indicator lamps
849
F247 0074 02
Display messages Possible causes/consequences and M Solutions
#
Consult a qualied specialist workshop even if there are no external signs of a re.
Û
48 V battery See Owner's
Manual
* The 48 V on-board electrical system has function restrictions.
Comfort functions, such as the air conditioning system, may be available only to a limited extent.
It is possible to drive on.
#
If the display message remains active permanently, consult a qualied specialist workshop immediately.
Ý
Please wait 48 V battery
charging
* The 48 V battery is discharged. You have switched on the vehicle while the 12 V battery was being charged with a
suitable charger or while another vehicle was providing starting assistance.
The discharged 48 V battery is charged automatically via the voltage converter. Aer a few minutes, the
Possible to
start the vehicle again
display message will be shown on the driver's display.
#
Start the vehicle.
#
Drive the vehicle for a while to charge the 12 V battery and the 48 V battery aer disconnecting the charger from
the vehicle.
If the
Possible to start the vehicle again display message does not appear aer a few minutes:
#
Try to start the vehicle.
#
If the vehicle does not start, consult a qualied specialist workshop.
Possible to start the vehi-
cle again
* The 48 V battery has been charged automatically via the voltage converter.
#
Start the vehicle and drive for a while to charge the 12 V battery and the 48 V battery.
850
Display messages and warning/indicator lamps
F247 0074 02
Tyre pressure monitor
Display messages Possible causes/consequences and M Solutions
Tyre press. monitor cur-
rently unavailable
* There is interference from a powerful radio signal source As a result, no signals from the tyre pressure sensors are
being received. The tyre pressure monitoring system is temporarily unavailable.
The tyre pressure monitoring system will restart automatically as soon as the cause has been rectied.
#
Drive on
Tyre press. monitor inoper-
ative
* The tyre pressure monitoring system is malfunctioning.
&
WARNING There is a risk of an accident if the tyre pressure monitoring system is malfunctioning
The tyre pressure monitoring system cannot issue a warning if there is pressure loss in one or more of the tyres.
Tyres with insucient tyre pressure may impair the driving characteristics as well as steering and braking.
#
Have the tyre pressure monitoring system checked at a qualied specialist workshop.
#
Consult a qualied specialist workshop.
Tyre pressure monitor inop-
erative No tyre pressure
sensors
* The wheels tted do not have suitable tyre pressure sensors. The tyre pressure monitoring system is deactivated.
#
Fit wheels with suitable tyre pressure sensors.
Display messages and warning/indicator lamps
851
F247 0074 02
Display messages Possible causes/consequences and M Solutions
é
Wheel sensor(s) missing
* There is no signal from the tyre pressure sensor in at least one wheel. No pressure value is displayed for the aected
tyre.
#
Have the faulty tyre pressure sensor replaced at a qualied specialist workshop.
é
Check tyre(s)
* The tyre pressure in one or more tyres has dropped signicantly.
The wheel position is displayed. A warning tone will also sound.
&
WARNING Risk of an accident due to insucient tyre pressure
R
The tyres can burst.
R
The tyres can wear excessively and/or unevenly.
R
The driving characteristics as well as the steering and braking may be greatly impaired.
You could then lose control of the vehicle.
#
Observe the recommended tyre pressures.
#
Adjust the tyre pressure if necessary.
#
Stop the vehicle in accordance with the trac conditions.
#
Check the tyre pressure (/ page 621) and the tyres.
852
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
é
Rectify tyre pressure
* The tyre pressure is too low in at least one of the tyres, or the dierence in tyre pressure between the individual
wheels is too great.
#
Check the tyre pressure and add air, if necessary.
#
When the tyre pressure is correct, restart the tyre pressure monitor (/ page 624).
é
Warning tyre malfunction
* The pressure in one or more tyres has dropped suddenly. The wheel position is displayed.
&
WARNING Risk of an accident from driving with a at tyre
R
The tyres can overheat and be damaged.
R
The driving characteristics as well as the steering and braking characteristics may be greatly impaired.
You could then lose control of the vehicle.
#
Do not drive with a at tyre.
#
Do not exceed the maximum permissible driving distance in emergency mode and the maximum permissible
speed with a at MOExtended tyre.
#
Observe the notes on at tyres.
Notes on at tyres (/ page 52).
#
Stop the vehicle in accordance with the trac conditions.
#
Check the tyres.
Display messages and warning/indicator lamps
853
F247 0074 02
Display messages Possible causes/consequences and M Solutions
é
Tyre(s) overheated
* At least one tyre is overheating. The aected tyres are displayed in red. At temperatures close to the limit value, the
tyres are displayed in yellow.
&
WARNING Risk of an accident from driving with overheated tyres
Overheated tyres can burst.
#
Reduce speed so that the tyres cool down.
#
Reduce your speed so that the tyres cool down.
é
Reduce speed
* At least one tyre is overheating. The aected tyres are displayed in red. At temperatures close to the limit value, the
tyres are displayed in yellow.
&
WARNING Risk of an accident from driving with overheated tyres
Overheated tyres can burst.
#
Reduce speed so that the tyres cool down.
#
Reduce your speed so that the tyres cool down.
854
Display messages and warning/indicator lamps
F247 0074 02
Tyre pressure loss warning system
Display messages Possible causes/consequences and M Solutions
Tyre pressure Check tyres
* The tyre pressure loss warning system has detected a signicant loss of pressure.
&
WARNING Risk of an accident due to insucient tyre pressure
R
The tyres can burst.
R
The tyres can wear excessively and/or unevenly.
R
The driving characteristics as well as the steering and braking may be greatly impaired.
You could then lose control of the vehicle.
#
Observe the recommended tyre pressures.
#
Adjust the tyre pressure if necessary.
#
Stop the vehicle in accordance with the trac conditions.
#
Check the tyre pressure (/ page 621) and the tyres.
#
When the tyre pressure is correct, restart the tyre pressure loss warning system (/ page 624).
Check tyre pressure, then
restart Run Flat Indicator
* The tyre pressure loss warning system generated a display message and has not been restarted since.
#
When the tyre pressure is correct, restart the tyre pressure loss warning system (/ page 624).
Run Flat Indicator inopera-
tive
* The tyre pressure loss warning system is malfunctioning.
#
Consult a qualied specialist workshop.
Display messages and warning/indicator lamps
855
F247 0074 02
Exhaust gas aertreatment
Display messages Possible causes/consequences and M Solutions
Ú
Refill AdBlue See Owner’s
Manual
*
The AdBlue
®
level has fallen into the reserve range.
#
Top up with at least 5 l of AdBlue
®
(/ page 24).
Ú
Top up AdBlue Emergency
op. in XXX km See Owner's
Manual
*
The low AdBlue
®
level will lead to an output restriction aer the remaining distance displayed has been covered.
#
Top up with at least 5 l of AdBlue
®
(/ page 24).
Ú
Top up AdBlue XX,X l
Emerg. op.: max. XXX
km/h Start not poss. in
XXX km
*
The low AdBlue
®
level will lead to an output restriction from the speed displayed.
Aer the remaining distance displayed has been covered, it will no longer be possible to start the vehicle.
#
Top up with at least the amount of AdBlue
®
indicated (/ page 24).
856
Display messages and warning/indicator lamps
F247 0074 02
Display messages Possible causes/consequences and M Solutions
Ú
Top up XX,X l AdBlue
Switch vehicle on, wait 60
sec. or engine start not
poss
*
The AdBlue
®
tank is empty. You can no longer start the vehicle.
#
Top up with at least the amount of AdBlue
®
indicated (/ page 24).
#
Switch on the vehicle and wait for approximately 60 seconds.
#
Start the vehicle.
¯
AdBlue system fault See
Owner's Manual
*
The AdBlue
®
system is malfunctioning.
#
Consult a qualied specialist workshop immediately.
¯
AdBlue system malfunction
Emergency op. in XXX km
See Owner's Manual
*
The AdBlue
®
system is malfunctioning. Performance will be reduced once the remaining distance displayed has been
covered.
#
Consult a qualied specialist workshop immediately.
Display messages and warning/indicator lamps
857
F247 0074 02
Display messages Possible causes/consequences and M Solutions
¯
AdBlue system malfunction
Emerg. op.: max. XXX
km/h Start not poss. in
XXX km
*
Power restriction due to the AdBlue
®
system fault. Aer the distance displayed has been covered, it will no longer be
possible to start the vehicle.
#
Consult a qualied specialist workshop immediately.
¯
AdBlue system fault Engine
start not possible
*
The AdBlue
®
system is malfunctioning. You can no longer start the vehicle.
#
Consult a qualied specialist workshop immediately.
858
Display messages and warning/indicator lamps
F247 0074 02
Engine oil
Display messages Possible causes/consequences and M Solutions
5
Add 1 litre engine oil when
next refuelling
* The engine oil level has dropped to the minimum level.
*
NOTE Engine damage caused by driving with insucient engine oil
#
Avoid long journeys with insucient engine oil.
#
When next refuelling, add 1 litre of engine oil (/ page 580).
Notes on engine oil (/ page 764).
5
Engine oil level Reduce oil
level
* The engine oil level is too high.
*
NOTE Engine damage caused by driving with excess engine oil
#
Avoid long journeys with excess engine oil.
#
Consult a qualied specialist workshop immediately and have the engine oil level reduced.
5
Engine oil level Stop
Switch off the vehicle
* The engine oil level is too low.
*
NOTE Engine damage caused by driving with insucient engine oil
#
Avoid long journeys with insucient engine oil.
#
Stop the vehicle immediately in accordance with the trac conditions. Do not continue driving.
Display messages and warning/indicator lamps
859
F247 0074 02
Display messages Possible causes/consequences and M Solutions
#
Switch o the vehicle.
#
Add 1 l of engine oil (/ page 580).
#
Check the engine oil level.
Notes on engine oil (/ page 764).
5
Engine oil pressure Stop
Switch off the vehicle
* The oil pressure is too low.
*
NOTE Engine damage caused by driving with insucient oil pressure
#
Avoid driving with insucient oil pressure.
#
Stop the vehicle immediately in accordance with the trac conditions. Do not continue driving.
#
Switch o the vehicle.
#
Consult a qualied specialist workshop.
5
Engine oil level cannot be
measured
* The electrical connection to the oil level sensor has been interrupted or the oil level sensor is faulty.
#
Consult a qualied specialist workshop.
860
Display messages and warning/indicator lamps
F247 0074 02
Warning and indicator lamps
Overview of indicator and warning lamps
Some systems will perform a self-test when the
vehicle is switched on. Some indicator and warn-
ing lamps may briey light up or ash. This behav-
iour is non-critical. These indicator and warning
lamps indicate a malfunction only if they light up
or ash aer the vehicle has been started or dur-
ing a journey.
Standard driver's display
Widescreen cockpit driver's display
Indicator and warning lamps
Occupant safety
6
Restraint system (/ page 863)
ü
Seat belt (/ page 863)
p
Occupant presence reminder (white)
(/ page 863)
p
Occupant presence reminder (yellow)
(/ page 863)
Drive system
_
Reduced power (/ page 865)
Ú
System error (/ page 865)
#
Electrical fault (/ page 865)
Vehicle
ï
Trailer hitch (/ page 866)
Ù
Power steering (yellow) (/ page 866)
Ù
Power steering (red) (/ page 866)
Engine
ÿ
Vehicles with a widescreen cockpit: cool-
ant temperature (/ page 868)
;
Engine diagnostics (/ page 868)
p
Vehicles with a petrol engine: engine oper-
ating temperature (/ page 868)
p
Engine operating temperature (Mercedes-
AMG vehicles) (/ page 868)
%
Vehicles with a diesel engine: preglow
#
Electrical fault (/ page 868)
æ
Reserve fuel with fuel ller ap location
indicator (/ page 868)
Display messages and warning/indicator lamps
861
F247 0074 02
Brakes
!
Electric parking brake (yellow)
(/ page 872)
!
Electric parking brake (red) (/ page 872)
J
Brakes (yellow) (/ page 872)
J
Brakes (red) (/ page 872)
Driving and driving safety systems
!
ABS (/ page 874)
÷
ESP
®
(/ page 874)
å
ESP
®
OFF (/ page 874)
å
ESP
®
OFF (/ page 874)
¤
ESP
®
OFF (/ page 874)
Æ
ESP
®
SPORT (/ page 874)
Û
ATTENTION ASSIST (/ page 874)
ê
Trac Sign Assist (/ page 874)
ê
Speed Limit Assist (/ page 874)
L
Distance warning (/ page 874)
Ó
Active Brake Assist (/ page 874)
ê
Active Brake Assist (/ page 874)
ä
Indicator lamp inoperative
ä
AMG RIDE CONTROL (/ page 874)
Mercedes-Benz emergency call system
H
Mercedes-Benz emergency call system
(/ page 880)
Tyre pressure monitoring system
h
Tyre pressure monitoring system
(/ page 880)
Exterior lighting
T
Side lights (/ page 212)
L
Low beam (/ page 212)
K
High beam (/ page 214)
#!
Turn signal lights (/ page 214)
N
Front fog lamps (/ page 212)
R
Rear fog light (/ page 212)
Symbols on the central display
É
Drive Away Assist (/ page 390)
L
Cross Trac Alert (/ page 390)
º
Manoeuvring brake function (/ page 391)
862
Display messages and warning/indicator lamps
F247 0074 02
Occupant safety
Warning/indicator lamp Possible causes/consequences and M Solutions
6
Restraint system warning
lamp
* The restraint system red warning lamp is lit while the vehicle is on.
The restraint system is malfunctioning (/ page 99).
&
WARNING Risk of injury due to malfunctions in the restraint system
Components in the restraint system may be activated unintentionally or not deploy as intended in an accident.
#
Have the restraint system checked and repaired immediately at a qualied specialist workshop.
Plug-in hybrid:
&
DANGER Risk of fatal injuries due to restraint system malfunctions
Components in the restraint system may be activated unintentionally or not deploy as planned in an accident. In the
event of an accident, the high-voltage on-board electrical system may not be deactivated as intended.
You may suer an electric shock if you touch the damaged components of the high-voltage on-board electrical sys-
tem.
#
Have the restraint system checked and repaired immediately at a qualied specialist workshop.
#
Aer an accident, switch o the vehicle immediately.
#
Drive on carefully.
#
Note the messages on the driver's display.
Display messages and warning/indicator lamps
863
F247 0074 02
Warning/indicator lamp Possible causes/consequences and M Solutions
#
Consult a qualied specialist workshop immediately.
ü
Seat belt warning lamp
ashes
* The red seat belt warning lamp ashes and an intermittent warning tone sounds.
The driver or front passenger has not fastened their seat belt while the vehicle is in motion.
#
Fasten your seat belt (/ page 99).
There are objects on the front passenger seat.
#
Remove the objects from the front passenger seat.
ü
Seat belt warning lamp
lights up
* The red seat belt warning lamp lights up once the vehicle has started.
In addition, an intermittent warning tone may sound.
The red seat belt warning lamp reminds the driver and front passenger to fasten their seat belts.
#
Fasten your seat belt (/ page 99).
If you have placed objects on the front passenger seat, the red seat belt warning lamp may remain lit.
p
Occupant presence
reminder warning lamp
(white)
* The white occupant presence reminder warning lamp is lit.
The occupant presence reminder is deactivated.
864
Display messages and warning/indicator lamps
F247 0074 02
Warning/indicator lamp Possible causes/consequences and M Solutions
p
Occupant presence
reminder warning lamp (yel-
low)
* The yellow occupant presence reminder warning lamp is lit.
The occupant presence reminder is malfunctioning
#
Note the messages on the driver's display.
Drive system
Warning/indicator lamp Possible causes/consequences and M Solutions
_
Reduced-power warning
lamp
* The yellow reduced-power warning lamp is on.
Drive system power output is reduced.
#
Note the messages on the driver's display.
Ú
System error warning lamp
*The red system error warning lamp is lit while the vehicle is in a state of operational readiness õ.
There is a malfunction in the drive system.
#
Note the messages on the driver's display.
Display messages and warning/indicator lamps
865
F247 0074 02
Warning/indicator lamp Possible causes/consequences and M Solutions
#
Electrical fault warning lamp
* The red electrical fault warning lamp is lit.
There is a fault with the electrics.
#
Note the messages on the driver's display.
Vehicle
Warning/indicator lamp Possible causes/consequences and M Solutions
ï
Trailer hitch warning lamp
* The red trailer hitch warning lamp is lit.
The trailer hitch is not operational.
&
WARNING Risk of an accident if the ball neck is not locked
The trailer may become detached.
#
Stop the vehicle immediately in accordance with the trac conditions. Do not continue driving.
#
Uncouple the trailer and secure it against rolling away.
#
Initiate a new swivelling procedure and do not re-couple the trailer until the display message disappears.
#
Note the messages on the driver's display.
866
Display messages and warning/indicator lamps
F247 0074 02
Warning/indicator lamp Possible causes/consequences and M Solutions
Ù
Power steering warning
lamp (yellow)
* The yellow power steering warning lamp is lit while the vehicle is running.
The power assistance or the steering itself is malfunctioning.
#
Note the messages on the driver's display.
Ù
Power steering warning
lamp (red)
* The red power steering warning lamp is lit while the vehicle is running.
The power assistance or the steering itself is malfunctioning.
&
WARNING Risk of accident if steering capability is impaired
If the steering does not function as intended, the vehicle's operating safety is jeopardised.
#
Pull over and stop the vehicle safely as soon as possible, paying attention to road and trac conditions. Do not
continue driving under any circumstances.
#
Consult a qualied specialist workshop.
#
Note the messages on the driver's display.
Display messages and warning/indicator lamps
867
F247 0074 02
Engine
Warning/indicator lamp Possible causes/consequences and M Solutions
ÿ
Coolant warning lamp (red)
* The red coolant warning lamp is lit while the engine is running.
Possible causes:
R
The temperature sensor is malfunctioning
R
The coolant level is too low
R
The air supply to the radiator is obstructed
R
The radiator fan is faulty
R
The engine coolant pump is faulty
If there is an additional warning tone, the coolant temperature has exceeded 120°C.
&
WARNING Risk of burns when opening the bonnet
If you open the bonnet in the event of an overheated engine or re in the engine compartment, the following situa-
tions may occur:
R
You may come into contact with hot gases.
R
You may come into contact with other escaping hot operating uids.
#
Before opening the bonnet, allow the engine to cool down.
#
In the event of a re in the engine compartment, keep the bonnet closed and call the re service.
868
Display messages and warning/indicator lamps
F247 0074 02
Warning/indicator lamp Possible causes/consequences and M Solutions
#
Stop immediately in accordance with the trac conditions and switch o the vehicle. Do not continue driving.
#
Note the messages on the driver's display.
If the coolant temperature display is at the lower end of the temperature scale:
#
Consult a qualied specialist workshop.
If the coolant temperature display is at the upper end of the temperature scale:
#
Exit the vehicle and keep a safe distance from it until the engine has cooled down.
#
Check the coolant level (/ page 582).
#
Make sure that the air supply to the radiator is not obstructed.
#
Avoiding high loads on the engine, drive to the nearest qualied specialist workshop. In doing so, ensure that the
coolant temperature display remains below 120°C.
ÿ
Coolant warning lamp (yel-
low)
* The yellow coolant warning lamp is lit while the engine is running.
Possible causes:
R
The temperature sensor is malfunctioning
R
The charge air, transmission oil or battery cooling is faulty
R
The radiator shutters are blocked or defective
#
Avoiding high loads on the engine, drive to the nearest qualied specialist workshop.
Display messages and warning/indicator lamps
869
F247 0074 02
Warning/indicator lamp Possible causes/consequences and M Solutions
;
Engine diagnostics warning
lamp
* The yellow engine diagnostics warning lamp is lit while the engine is running.
A malfunction has occurred in the engine, the exhaust system or the fuel system.
The emissions limit value may have been exceeded and the engine may be running in emergency operation mode.
#
Have the vehicle checked as soon as possible at a qualied specialist workshop.
Vehicles with a diesel engine: the fuel tank may have been run dry.
#
Start the engine three to four times aer refuelling.
If the yellow engine diagnosis warning lamp goes out, emergency operation mode is cancelled. The vehicle need not
be checked.
#
Electrical fault warning lamp
* The red electrical fault warning lamp is lit.
There is a fault in the electrics.
#
Note the messages on the driver's display.
p
Engine operating tempera-
ture warning lamp
*The blue warning lamp for engine operating temperature will remain lit until the engine operating temperature has been
reached.
The engine output and engine torque will remain reduced until then.
#
Take this into consideration in your driving style.
870
Display messages and warning/indicator lamps
F247 0074 02
Warning/indicator lamp Possible causes/consequences and M Solutions
p
Engine operating tempera-
ture warning lamp
*
Vehicles with a petrol engine: aer a cold start, the blue engine operating temperature warning lamp is on.
Engine output and engine torque are reduced.
#
Take this into consideration in your driving style.
æ
Fuel reserve warning lamp
lights up
* The yellow fuel reserve warning lamp lights up while the engine is running.
The fuel supply has dropped into the reserve range.
#
Refuel.
Display messages and warning/indicator lamps
871
F247 0074 02
Brakes
Warning/indicator lamp Possible causes/consequences and M Solutions
!
Electric parking brake indi-
cator lamp (red)
!
Electric parking brake indi-
cator lamp (yellow)
*The red electric parking brake indicator lamp ashes or is lit.
The yellow electric parking brake indicator lamp is also lit in the event of a malfunction.
#
Note the messages on the driver's display.
J
Brakes warning lamp (yel-
low)
* The yellow brake warning lamp is lit while the vehicle is running.
&
WARNING Risk of an accident due to a brake system malfunction
If the brake system is malfunctioning, braking characteristics may be impaired.
#
Drive on carefully.
#
Have the brake system checked immediately at a qualied specialist workshop.
#
Adjust your speed and drive on carefully, leaving a suitable distance to the vehicle in front.
#
If the driver's display shows a display message, observe it.
872
Display messages and warning/indicator lamps
F247 0074 02
Warning/indicator lamp Possible causes/consequences and M Solutions
#
Consult a qualied specialist workshop.
J
Brakes warning lamp (red)
* The red brakes warning lamp is lit while the vehicle is running.
Possible causes:
R
The brake force boosting is malfunctioning and the braking characteristics may be aected.
R
There is insucient brake uid in the brake uid reservoir.
#
Note the messages on the driver's display.
&
WARNING Risk of accident and injury if brake force boosting is malfunctioning
If brake force boosting is malfunctioning, increased brake pedal force may be necessary for braking. The braking
characteristics may be impaired. The braking distance can increase in emergency braking situations.
#
Stop in a safe location immediately. Do not continue driving!
#
Consult a qualied specialist workshop.
&
WARNING Risk of an accident due to low brake uid level
If the brake uid level is too low, the braking eect and the braking characteristics may be impaired.
#
Stop the vehicle as soon as possible, paying attention to road and trac conditions. Do not continue driving.
#
Consult a qualied specialist workshop.
#
Do not top up the brake uid.
Display messages and warning/indicator lamps
873
F247 0074 02
Driving and driving safety systems
Warning/indicator lamp Possible causes/consequences and M Solutions
!
ABS warning lamp
* The yellow ABS warning lamp is lit while the vehicle is running.
ABS is malfunctioning.
If an additional warning tone sounds, EBD is malfunctioning.
Other driving systems and driving safety systems may also be malfunctioning.
#
Note the messages on the driver's display.
&
WARNING There is a risk of skidding if EBD or ABS is malfunctioning
The wheels may lock during braking.
The steerability and braking characteristics are heavily impaired and the braking distance may increase. In addition,
other driving safety systems are switched o.
#
Drive on carefully.
#
Have the brake system checked immediately at a qualied specialist workshop.
#
Drive on carefully.
#
Consult a qualied specialist workshop.
874
Display messages and warning/indicator lamps
F247 0074 02
Warning/indicator lamp Possible causes/consequences and M Solutions
÷
ESP
®
warning lamp ashes
*
The yellow ESP
®
warning lamp ashes while the vehicle is in motion.
One or more wheels have reached their grip limit (/ page 324).
One or more wheels have reached their grip limit (/ page 325).
#
Adapt your driving style to suit the road and weather conditions.
÷
ESP
®
warning lamp lights up
*
The yellow ESP
®
warning lamp is lit while the vehicle is running.
ESP
®
is malfunctioning.
Other driving systems and driving safety systems (e.g. BAS) may also be malfunctioning.
#
Note the messages on the driver's display.
&
WARNING Risk of skidding if ESP
®
is malfunctioning
If ESP
®
is malfunctioning, ESP
®
cannot carry out vehicle stabilisation. In addition, other driving safety systems are
switched o.
#
Drive on carefully.
#
Have ESP
®
checked at a qualied specialist workshop.
#
Drive on carefully.
#
Consult a qualied specialist workshop immediately.
Display messages and warning/indicator lamps
875
F247 0074 02
Warning/indicator lamp Possible causes/consequences and M Solutions
å
ESP
®
OFF warning lamp
*
The yellow ESP
®
OFF warning lamp is lit while the vehicle is running.
ESP
®
is deactivated.
Other driving systems and driving safety systems may also be inoperative.
&
WARNING Risk of skidding when driving with ESP
®
deactivated
ESP
®
does not act to stabilise the vehicle. The availability of further driving safety systems is also limited.
#
Drive on carefully.
#
Deactivate ESP
®
only for as long as the situation requires.
If ESP
®
cannot be activated, ESP
®
is malfunctioning.
#
Have ESP
®
checked immediately at a qualied specialist workshop.
#
Observe the notes on deactivating ESP
®
(/ page 324).
å
¤
*
The yellow ESP
®
OFF warning lamps are lit while the vehicle is running.
ESP
®
is deactivated.
Other driving systems and driving safety systems may also be inoperative.
&
WARNING Risk of skidding when driving with ESP
®
deactivated
ESP
®
does not act to stabilise the vehicle. The availability of further driving safety systems is also limited.
876
Display messages and warning/indicator lamps
F247 0074 02
Warning/indicator lamp Possible causes/consequences and M Solutions
#
Drive on carefully.
#
Deactivate ESP
®
only for as long as the situation requires.
If ESP
®
cannot be activated, ESP
®
is malfunctioning.
#
Have ESP
®
checked immediately at a qualied specialist workshop.
#
Observe the notes on deactivating ESP
®
(/ page 325).
å
Æ
*
ESP
®
SPORT is activated while the vehicle is running.
When ESP
®
SPORT is activated, ESP
®
will stabilise the vehicle only to a limited extent.
&
WARNING Risk of skidding if ESP
®
SPORT is used incorrectly
When you activate ESP
®
SPORT, there is an increased risk of skidding and having an accident.
#
Activate ESP
®
SPORT only in the circumstances described below.
#
Observe the notes on activating ESP
®
SPORT(/ page 325).
Û
ATTENTION ASSIST warning
lamp
* The ATTENTION ASSIST warning lamp is lit.
ATTENTION ASSIST is malfunctioning.
#
Consult a qualied specialist workshop.
Display messages and warning/indicator lamps
877
F247 0074 02
Warning/indicator lamp Possible causes/consequences and M Solutions
ê
Trac Sign Assist warning
lamp
* The Trac Sign Assist warning lamp is lit.
Trac Sign Assist is malfunctioning.
#
Note the messages on the driver's display.
ê
Speed Limit Assist warning
lamp
* The Speed Limit Assist warning lamp is lit.
Speed Limit Assist is malfunctioning.
#
Note the messages on the driver's display.
L
Warning lamp for distance
warning
* The red distance warning lamp lights up while the vehicle is in motion.
The distance to the vehicle in front is too small for the speed selected.
If there is an additional warning tone, you are approaching an obstacle at too high a speed.
#
Be prepared to brake immediately.
#
Increase the distance.
Function of Active Brake Assist (/ page 351).
878
Display messages and warning/indicator lamps
F247 0074 02
Warning/indicator lamp Possible causes/consequences and M Solutions
Ó
Active Brake Assist warning
lamp
* The Active Brake Assist warning lamp is on.
Due to dirty sensors or a malfunction, the system is not available or the range of functions is restricted.
#
Note the messages on the driver's display.
ê
Active Brake Assist warning
lamp
* The Active Brake Assist warning lamp is on.
The system is switched o or the range of functions has been automatically restricted.
This may be the case if another driving system has been activated.
#
Observe the notes on Active Brake Assist (/ page 351).
ä
Suspension warning lamp
(yellow)
* The yellow AMG RIDE CONTROL warning lamp is lit.
There is a fault in the AMG RIDE CONTROL.
#
Note the messages on the driver's display.
Display messages and warning/indicator lamps
879
F247 0074 02
Mercedes-Benz emergency call system
Warning/indicator lamp Possible causes/consequences and M Solutions
H
Mercedes-Benz emergency
call system warning lamp
*The Mercedes-Benz emergency call system is malfunctioning. The Mercedes me connect system is also malfunctioning.
#
Consult a qualied specialist workshop.
Tyre pressure monitor
Warning/indicator lamp Possible causes/consequences and M Solutions
h
Tyre pressure monitoring
system warning lamp ashes
*The yellow tyre pressure monitor warning lamp (pressure loss/malfunction) ashes for approximately one minute and
then remains lit.
The tyre pressure monitoring system is malfunctioning.
&
WARNING There is a risk of an accident if the tyre pressure monitoring system is malfunctioning
The tyre pressure monitoring system cannot issue a warning if there is pressure loss in one or more of the tyres.
Tyres with insucient tyre pressure may impair the driving characteristics as well as steering and braking.
#
Have the tyre pressure monitoring system checked at a qualied specialist workshop.
#
Consult a qualied specialist workshop.
880
Display messages and warning/indicator lamps
F247 0074 02
Warning/indicator lamp Possible causes/consequences and M Solutions
h
Tyre pressure monitoring
system warning lamp lights
up
*The yellow tyre pressure monitoring system warning lamp (pressure loss/malfunction) is lit.
The tyre pressure monitoring system has detected tyre pressure loss in at least one of the tyres.
&
WARNING Risk of an accident due to insucient tyre pressure
R
The tyres can burst.
R
The tyres can wear excessively and/or unevenly.
R
The driving characteristics as well as the steering and braking may be greatly impaired.
You could then lose control of the vehicle.
#
Observe the recommended tyre pressures.
#
Adjust the tyre pressure if necessary.
#
Stop the vehicle in accordance with the trac conditions.
#
Check the tyre pressure and the tyres.
Display messages and warning/indicator lamps
881
F247 0074 02

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