2019-2024 Mercedes G Class SUV Display messages and warning/indicator lamps -> Display messages User Manual
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Display messages and warning/indicator lamps -> Display messages for Your Mercedes G Class SUV Fourth Generation (2019-2024)

Display messages
Introduction
▌Information about display messages
Display messages appear on the instrument dis-
play.
Display messages with graphic symbols are sim-
plied in the Operator's Manual and may dier
from the symbols on the instrument display. The
instrument 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 Oper-
ator'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 media display. Press the ¨ symbol to hide
the display message.
Display messages to be acknowledged can be hid-
den by pressing the back button P 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 instrument display will show these display
messages permanently until the cause of the dis-
play message has been rectied.
▌Calling up saved display messages
On-board computer:
4
Service
5
1 Message
If there are no display messages, No Messages
will appear on the instrument display.
#
Scroll through the display messages by swip-
ing upwards or downwards on the le-hand
Touch Control.
#
To exit the message memory: press the back
button P.
Display messages and warning/indicator lamps
391
Occupant safety
Display messages Possible causes/consequences and M Solutions
6
SRS Malfunction Service
Required
* The restraint system is malfunctioning (/ page 38).
&
WARNING Risk of injury due to malfunctions in the restraint system
Components in the restraint system may be activated unintentionally or not deploy as planned in an accident.
#
Have the restraint system checked and repaired immediately at a qualied specialist workshop.
6
Front Left Malfunction
Service Required
(example)
* The restraint system is malfunctioning (/ page 38).
&
WARNING Risk of injury due to malfunctions in the restraint system
Components in the restraint system may be activated unintentionally or not deploy as planned in an accident.
#
Have the restraint system checked and repaired immediately at a qualied specialist workshop.
6
Left Side Curtain Airbag
Malfunction Service
Required
(example)
* The restraint system is malfunctioning (/ page 38).
&
WARNING Risk of injury or fatal injury due to a malfunction in the window curtain airbag
The window curtain airbag might be triggered unintentionally or might not be triggered at all in the event of an
accident.
#
Have the window curtain airbag checked and repaired immediately at a qualied specialist workshop.
392
Display messages and warning/indicator lamps
Display messages Possible causes/consequences and M Solutions
Front Passenger Airbag Dis-
abled See Operator's Man-
ual
* The front passenger air bag and the front passenger knee air bag have 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.
&
WARNING Risk of injury or fatal injury due to a disabled front passenger airbag
If the front passenger airbag is disabled, the front passenger airbag 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's interior, espe-
cially if the person is sitting too close to the cockpit.
#
Make sure, both before and during the journey, that the status of the front passenger airbag is correct.
#
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 the automatic front passenger air bag shuto (/ page 39).
#
If necessary, consult a qualied specialist workshop immediately.
Front Passenger Airbag
Enabled See Operator's
Manual
* The front passenger air bag and the front passenger knee air bag 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
Display messages and warning/indicator lamps
393
Display messages Possible causes/consequences and M Solutions
The system may detect objects or forces that are adding to the weight applied to the seat.
&
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 the automatic front passenger air bag shuto (/ page 39).
#
If necessary, consult a qualied specialist workshop immediately.
394
Display messages and warning/indicator lamps
SmartKey
Display messages Possible causes/consequences and M Solutions
Á
Obtain a New Key
* Have the SmartKey replaced.
#
Consult a qualied specialist workshop.
Á
Replace Key Battery
* The SmartKey battery is discharged.
#
Replace the battery (/ page 67).
Á
Key Not Detected (white
display message)
* The SmartKey is currently undetected.
#
Change the location of the SmartKey in the vehicle.
#
Try to start the vehicle.
#
If the SmartKey is still not detected, place it in the marked space for starting with the SmartKey (/ page 125).
#
Start the vehicle.
Display messages and warning/indicator lamps
395
Display messages Possible causes/consequences and M Solutions
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 125).
The key battery is weak or discharged.
#
Check the battery using the indicator lamp (/ page 65).
#
Replace the key battery, if necessary (/ page 67).
Á
Key Being Initialized Please
Wait
* The vehicle is processing in order to teach in the new SmartKey.
#
Wait until processing is complete.
396
Display messages and warning/indicator lamps
Display messages Possible causes/consequences and M Solutions
Á
Don't Forget Your Key
* A warning tone will also sound. This message reminds you to take your SmartKey with you when you leave the vehicle.
Place the Key in the
Marked Space See Opera-
tor's Manual
* SmartKey detection is malfunctioning.
#
Change the location of the SmartKey in the vehicle.
#
Place the SmartKey in the slot for starting the engine with the SmartKey (/ page 125).
Lights
Display messages Possible causes/consequences and M Solutions
:
Check Left Low
Beam
(example)
* The corresponding light source is malfunctioning.
#
Drive on carefully.
#
Consult a qualied specialist workshop immediately.
%
LED light sources: the display message for the corresponding light appears only when all the light-emitting diodes
in the light are faulty.
Display messages and warning/indicator lamps
397
Display messages Possible causes/consequences and M Solutions
:
Malfunction See Opera-
tor’s Manual
* The exterior lighting is malfunctioning.
#
Consult a qualied specialist workshop.
:
Automatic Headlamp Mode
Inoperative
* The light sensor for automatic driving lights is malfunctioning.
#
Consult a qualied specialist workshop.
:
Active Headlamps Inopera-
tive
* 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.
398
Display messages and warning/indicator lamps
Display messages Possible causes/consequences and M Solutions
:
Switch Off Lights
* You are leaving the vehicle and the lights are still switched on.
#
Turn the light switch to the à position.
:
Intell. Light System Inoper-
ative
* The Intelligent Light System is malfunctioning. The lighting system continues to function properly without the functions
of the Intelligent Light System.
#
Consult a qualied specialist workshop.
Adaptive Highbeam Assist
Currently Unavailable See
Operator's Manual
* Adaptive Highbeam Assist is temporarily unavailable.
The system limits have been reached (/ page 109).
Once the cause of the problem is no longer present, the system will be available again. The
Adaptive Highbeam
Assist Now Available
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
Display messages and warning/indicator lamps
399
Display messages Possible causes/consequences and M Solutions
#
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.
Adaptive Highbeam Assist
Camera View Restricted
See Operator's Manual
* The camera view is restricted. Possible causes:
R
Dirt on the windshield in the camera's eld of vision
R
Heavy rain, snow or fog
Driving systems and driving safety systems may be malfunctioning or temporarily unavailable.
Once the cause of the problem is no longer present, the driving systems and driving safety systems will be available
again.
If the display message does not disappear:
#
Stop the vehicle in accordance with the trac conditions.
#
Clean the windshield.
Hazard Warning Flashers
Malfunctioning
* The hazard warning lamp switch is malfunctioning.
#
Consult a qualied specialist workshop.
400
Display messages and warning/indicator lamps
Vehicle
Display messages Possible causes/consequences and M Solutions
d
Vehicle Ready to Drive
Switch the Ignition Off
Before Exiting
* 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).
Ù
Steering Malfunction
Increased Physical Effort
See Operator'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.
Ù
Steering Malfunction Stop
Immediately See Opera-
tor'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 jeopardized.
Display messages and warning/indicator lamps
401
Display messages Possible causes/consequences and M Solutions
#
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.
C
* At least one door is open.
#
Close all doors.
?
* The hood is open.
&
WARNING Risk of accident due to driving with the hood unlocked
The hood may open and block your view.
#
Never release the hood when driving.
#
Before every trip, ensure that the hood is locked.
#
Pull over and stop the vehicle safely as soon as possible, paying attention to road and trac conditions.
#
Close the hood (/ page 317).
LOW RANGE Shift to Posi-
tion N Briefly
* One or more shiing conditions have not been met.
#
Shi to neutral i.
#
Repeat the gear change.
402
Display messages and warning/indicator lamps
Display messages Possible causes/consequences and M Solutions
LOW RANGE Malfunction
To Park, Apply Brake
* The transfer case is malfunctioning.
#
Do not shi the transfer case!
#
Use the electric parking brake to secure the vehicle against rolling away.
#
Consult a qualied specialist workshop.
LOW RANGE Shifting Can-
celed Please Reactivate
* The transfer case did not perform the gear change.
#
Repeat the gear change.
#
Ensure that all shiing conditions are met (/ page 146).
LOW RANGE Malfunction
* The transfer case is malfunctioning.
#
Do not shi the transfer case!
#
Use the electric parking brake to secure the vehicle against rolling away.
#
Consult a qualied specialist workshop.
LOW RANGE Stop Apply
Parking Brake
* The transfer case is malfunctioning.
#
Stop the vehicle in accordance with the trac conditions.
#
Apply the electric parking brake.
#
Where necessary, also secure the vehicle against rolling away.
#
Engage park position j.
LOW RANGE Max. Speed 6
mph
* The maximum speed of 6 mph (10 km/h) for the gear change has been exceeded.
Display messages and warning/indicator lamps
403
Display messages Possible causes/consequences and M Solutions
#
Drive more slowly.
#
Repeat the gear change.
LOW RANGE Max. Speed
12 mph
* The maximum speed of 12 mph (20 km/h) for the gear change has been exceeded.
#
Drive more slowly.
#
Repeat the gear change.
LOW RANGE Max. Speed
25 mph or Deactivate
* The maximum speed of 25 mph (40 km/h) for the gear change has been exceeded.
#
Drive more slowly.
#
To deactivate the gear change, press the LOW RANGE button again.
#
Repeat the gear change.
LOW RANGE Max. Speed
40 mph or Deactivate
* The maximum speed of 40 mph (70 km/h) for the gear change has been exceeded.
#
Drive more slowly.
#
To deactivate the gear change, press the LOW RANGE button again.
#
Repeat the gear change.
LOW RANGE Disengage Dif-
ferential Locks
* One or more shiing conditions have not been met.
#
The dierential locks must be disengaged to enable the HIGH RANGE on-road position to be selected.
#
Repeat the gear change.
404
Display messages and warning/indicator lamps
Display messages Possible causes/consequences and M Solutions
Gearbox Protection Limit
18 mph Disable LOW
RANGE
* The oil temperature in the transfer case is too high.
#
In the on-road position, shi to HIGH RANGE.
Desert Drive Program Act.
ESP Unavailable See Opera-
tor's Manual
*
ABS and ESP
®
are restricted in the Desert drive program.
Other driving and driving safety systems may also be 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 restricted
The wheels may lock 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.
#
Activate the Desert drive program only when driving on sand.
#
Deactivate the Desert drive program immediately aer driving on sand.
#
Drive on carefully.
#
Activate the Desert drive program only when driving on sand.
#
Deactivate the Desert drive program immediately aer driving on sand.
Display messages and warning/indicator lamps
405
Display messages Possible causes/consequences and M Solutions
Differential Lock Engaged
ABS and ESP Unavailable
*
ABS and ESP
®
are not available when the dierential locks are switched on.
Other driving and driving safety systems may also be 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 unavailable
The wheels may lock 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.
#
Switch on the dierential locks only for o-road driving.
#
Switch o the dierential locks immediately aer o-road driving.
#
Drive on carefully.
#
Switch on the dierential locks only for o-road driving.
#
Switch o the dierential locks immediately aer o-road driving.
Front/Rear Differential
Lock System Malfunction
* The dierential locks are malfunctioning.
Other driving systems and driving safety systems may also be malfunctioning.
406
Display messages and warning/indicator lamps
Display messages Possible causes/consequences and M Solutions
&
WARNING Risk of accident if the driving and driving safety systems are malfunctioning
If the dierential locks are malfunctioning, the ABS, ESP
®
, ETS/4ETS and BAS driving and driving safety systems
may also malfunction.
The wheels may lock during braking. The braking distance may increase.
#
Drive on carefully.
#
Consult a qualied specialist workshop immediately.
#
Drive on carefully.
#
Visit a qualied specialist workshop immediately.
ÿ
Different. Lock Sys. Mal-
function
* The transfer case is malfunctioning.
#
Do not shi the transfer case!
#
Use the electric parking brake to secure the vehicle against rolling away.
#
Consult a qualied specialist workshop.
ÿ
Different. Locking Sys.
Cooling Down Please Wait
* The dierential locks are overheated.
#
Wait briey.
Display messages and warning/indicator lamps
407
Display messages Possible causes/consequences and M Solutions
Air Intake Malfunction See
Operator's Manual
* The air ap of the air intake is dirty or iced up.
Fording is not possible.
#
At outside temperatures above 39°F (4°C) restart the vehicle.
#
If you have already started fording, drive on carefully.
#
Clean the vehicle.
#
Defrost the air intake.
Fording Not Possible
Service Required
* There is a malfunction with the air ap of the air intake.
Fording is not possible.
#
Drive on carefully.
#
Consult a qualied specialist workshop.
Speed Max. 6 mph  (yellow
display message)
* The maximum reliable speed for fording of 6 mph (10 km/h) has been exceeded.
#
Drive more slowly.
¥
Check Washer Fluid
* The washer uid level in the washer uid reservoir has dropped below the minimum.
#
Add washer uid (/ page 322).
Wiper Malfunctioning
* The windshield wiper is malfunctioning.
408
Display messages and warning/indicator lamps
Display messages Possible causes/consequences and M Solutions
#
Restart the vehicle.
If the display message still appears:
#
Consult a qualied specialist workshop.
Engine
Display messages Possible causes/consequences and M Solutions
To switch engine off, press
and hold Start/Stop but-
ton for at least 3 secs. or
press 3 times.
* You have pressed the start/stop button while the vehicle is in motion.
#
Information about switching o the vehicle while driving (/ page 125).
Cannot Start Engine See
Operator's Manual
* The vehicle cannot be started.
#
Switch the vehicle o and switch it back on
#
If the display message still appears, consult a qualied specialist workshop.
Display messages and warning/indicator lamps
409
Display messages Possible causes/consequences and M Solutions
+
Check Coolant Level See
Operator'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 321).
#
Have the engine cooling system checked at a qualied specialist workshop.
ÿ
Coolant Too Hot Stop Vehi-
cle Turn Engine Off
* The coolant is too hot.
#
Stop immediately in accordance with the trac conditions and switch o the vehicle.
&
WARNING Risk of burns when opening the hood
If you open the hood 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 hood, allow the engine to cool down.
#
In the event of a re in the engine compartment, keep the hood closed and call the re service.
#
Wait until the engine has cooled down.
410
Display messages and warning/indicator lamps
Display messages Possible causes/consequences and M Solutions
#
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 the red marking.
ÿ
* There is a malfunction in the engine cooling system.
#
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 the red marking.
* When fording, the display message may also appear due to an increased load on the radiator management system.
#
Aer fording, re-start the vehicle.
If the display message still appears:
#
Consult a qualied specialist workshop.
8
Fuel Level Low
* The fuel supply has dropped into the reserve range.
#
Refuel.
8
Gas Cap Loose
* The fuel ller cap is not closed correctly or the fuel system is leaking.
#
Close the fuel ller cap.
#
If the fuel ller cap was already properly closed: Consult a qualied specialist workshop.
Display messages and warning/indicator lamps
411
Transmission
Display messages Possible causes/consequences and M Solutions
Only Shift to 'P' when Vehi-
cle 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 Shift from
'P'
* 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.
To Deselect P or N,
Depress Brake and Start
Engine
* 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.
Depress Brake to Shift to 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 Shift to 'R'
* You have attempted to select transmission position k.
#
Depress the brake pedal.
412
Display messages and warning/indicator lamps
Display messages Possible causes/consequences and M Solutions
#
Select transmission position k.
Driver's Door Open &
Transmission Not in P Risk
of Vehicle Rolling Away
* 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.
N Permanently Active Risk
of Rolling Away
* While the vehicle is rolling or while you are driving, neutral i has been engaged.
#
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.
Service Required Do Not
Shift Gears Visit Dealer
* 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 or breakdown service.
Reversing Not Possible
Service Required
* 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.
Display messages and warning/indicator lamps
413
Display messages Possible causes/consequences and M Solutions
#
Depress the brake pedal.
#
Engage park position j.
#
Consult a qualied specialist workshop.
Stop Vehicle Leave Engine
Running Wait Transmission
Cooling
* The transmission is overheating. Pulling away may be temporarily impaired or not possible.
#
Stop the vehicle immediately in accordance with the trac conditions. Do not continue driving.
#
Leave the engine running.
#
Wait until the display message disappears before pulling away.
Auxiliary Battery Malfunc-
tion
(white display message)
* The auxiliary battery for the automatic transmission is no longer being charged.
#
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)
* The auxiliary battery for the transmission is no longer being charged.
#
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.
414
Display messages and warning/indicator lamps
Brakes
Display messages Possible causes/consequences and M Solutions
F
(USA only)
!
(Canada only)
Parking Brake See Opera-
tor'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 157).
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 F (USA only) or ! (Canada only) 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 157).
or
#
Release the electric parking brake automatically (/ page 157).
If it is still not possible to release the electric parking brake:
#
Do not continue driving. Consult a qualied specialist workshop.
Display messages and warning/indicator lamps
415
Display messages Possible causes/consequences and M Solutions
* The yellow ! indicator lamp is lit and the red F (USA only) or ! (Canada only) indicator lamp is ashing.
The electric parking brake is malfunctioning.
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 157).
To release:
#
Apply and then release the electric parking brake manually.
If the electric parking brake cannot be applied or the red F (USA only) or ! (Canada only) indicator lamp con-
tinues 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 F (USA only) or ! (Canada only) 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 malfunctioning.
If the state of charge is too low:
#
Charge the 12 V battery.
416
Display messages and warning/indicator lamps
Display messages Possible causes/consequences and M Solutions
To apply:
#
Switch o the vehicle.
The electric parking brake will be applied automatically.
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 157).
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 157).
If it is still not possible to release the electric parking brake:
#
Do not continue driving. Consult a qualied specialist workshop.
Display messages and warning/indicator lamps
417
Display messages Possible causes/consequences and M Solutions
F
(USA only)
!
(Canada only)
Please Release Parking
Brake
* The red F indicator lamp (USA only) or ! indicator lamp (Canada only) 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 157).
R
You are performing emergency braking using the electric parking brake (/ page 157).
#
Check the conditions for automatic release of the electric parking brake.
#
Release the electric parking brake manually.
418
Display messages and warning/indicator lamps
Display messages Possible causes/consequences and M Solutions
F
(USA only)
!
(Canada only)
Turn On the Ignition to
Release the Parking Brake
* The red F (USA only) or ! (Canada only) indicator lamp is lit.
You have attempted to release the electric parking brake with the vehicle switched o.
#
Switch on the vehicle.
$
(USA only)
J
(Canada only)
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.
#
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.
#
Do not add brake uid.
Display messages and warning/indicator lamps
419
Display messages Possible causes/consequences and M Solutions
Check Brake Pads See
Operator'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
Operator's Manual
*
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 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 carefully on a suitable stretch of road, making slight steering movements at a speed above 19 mph
(30 km/h).
#
If the display message does not disappear, consult a qualied specialist workshop immediately. Drive care-
fully.
420
Display messages and warning/indicator lamps
Display messages Possible causes/consequences and M Solutions
!
÷
Inoperative See Operator's
Manual
*
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.
÷
Currently Unavailable See
Operator's Manual
*
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 stabilization. In addition, other driving safety systems are
switched o.
#
Drive carefully on a suitable stretch of road, making slight steering movements at a speed above 19 mph
(30 km/h).
Display messages and warning/indicator lamps
421
Display messages Possible causes/consequences and M Solutions
#
If the display message does not disappear, consult a qualied specialist workshop immediately. Drive care-
fully.
÷
Inoperative See Operator's
Manual
*
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 stabilization. In addition, other driving safety systems are
switched o.
#
Drive on carefully.
#
Have ESP
®
checked at a qualied specialist workshop.
422
Display messages and warning/indicator lamps
Display messages Possible causes/consequences and M Solutions
T
!
÷
Inoperative See Operator's
Manual
*
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.
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 165).
é
ATTENTION ASSIST Inoper-
ative
* ATTENTION ASSIST is malfunctioning.
#
Consult a qualied specialist workshop.
Display messages and warning/indicator lamps
423
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 166).
#
If necessary, take a break.
h
- - - mph
* Cruise control cannot be activated as not all activation conditions are fullled.
#
Observe the activation conditions for cruise control (/ page 168).
Cruise Control Inoperative
* Cruise control is 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 167).
Traffic Sign Assist Cur-
rently Unavailable See
Operator'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 trac regulations.
#
If the display message does not disappear, stop the vehicle safely and clean the windshield.
424
Display messages and warning/indicator lamps
Display messages Possible causes/consequences and M Solutions
Traffic Sign Assist Inopera-
tive
* Trac Sign Assist is malfunctioning.
#
Continue driving in compliance with 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.
ä
Malfunction Drive at Max.
50 mph
* The adjustable damping is malfunctioning. The vehicle's handling characteristics may be aected.
#
Drive no faster than 50 mph (80 km/h).
#
Consult a qualied specialist workshop.
Traffic Sign Assist Camera
View Restricted See Opera-
tor's Manual
* The camera view is restricted. Possible causes:
R
Dirt on the windshield in the camera's eld of vision
R
Heavy rain, snow or fog
Driving systems and driving safety systems may be malfunctioning or temporarily unavailable.
Once the cause of the problem is no longer present, the driving systems and driving safety systems will be available
again.
If the display message does not disappear:
#
Stop the vehicle in accordance with the trac conditions.
#
Clean the windshield.
Display messages and warning/indicator lamps
425
Driver assistance systems
Display messages Possible causes/consequences and M Solutions
ç
- - - mph
* 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 171).
ç
Suspended
* If you depress the accelerator pedal beyond the setting of Active Distance Assist DISTRONIC, the system will switch to
passive mode (/ page 169).
ç
Off
* Active Distance Assist DISTRONIC was deactivated. If a warning tone also sounds, Active Distance Assist DISTRONIC
has deactivated automatically (/ page 171).
Active Distance Assist Cur-
rently Unavailable See
Operator's Manual
* Active Distance Assist DISTRONIC is temporarily unavailable.
The ambient conditions are outside the system limits (/ page 169).
As soon as the ambient conditions are within the system limits, the system will become available again.
#
Drive on carefully.
426
Display messages and warning/indicator lamps
Display messages Possible causes/consequences and M Solutions
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 is 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 Now
Available
* Active Distance Assist DISTRONIC is operational again.
#
Switch on Active Distance Assist DISTRONIC (/ page 171).
Active Brake Assist Func-
tions Currently Limited See
Operator's Manual
* Active Brake Assist is temporarily unavailable.
#
Drive on.
As soon as the ambient conditions are within the system limits, the system will become available again.
#
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 Opera-
tor's Manual
* Active Brake Assist is temporarily unavailable or only partially available.
#
Consult a qualied specialist workshop.
Display messages and warning/indicator lamps
427
Display messages Possible causes/consequences and M Solutions
Radar Sensors Dirty See
Operator's Manual
* The radar sensor system is malfunctioning. Possible causes:
R
Dirt on the sensors
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.
Once the cause of the problem is no longer present, the driving systems and driving safety systems will be available
again.
If the display message does not disappear:
#
Stop the vehicle in accordance with the trac conditions.
#
Clean all sensors (/ page 326).
#
Restart the vehicle.
Blind Spot Assist Currently
Unavailable See Operator's
Manual
* Blind Spot Assist is temporarily unavailable.
The system limits have been reached (/ page 176).
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.
428
Display messages and warning/indicator lamps
Display messages Possible causes/consequences and M Solutions
#
If necessary, clean the rear bumper. If the bumper is especially dirty, the sensors in the bumper may be malfunc-
tioning.
Blind Spot Assist Inopera-
tive
* Blind Spot 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.
Blind Spot Assist Not Avail-
able When Towing a Trailer
See Operator'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
Operator's Manual
* Active Lane Keeping Assist is temporarily unavailable.
The ambient conditions are outside the system limits (/ page 177).
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 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.
Display messages and warning/indicator lamps
429
Display messages Possible causes/consequences and M Solutions
Active Lane Keeping Assist
Camera View Restricted
See Operator's Manual
* The camera view is restricted.
Possible causes:
R
Dirt on the windshield in the camera's eld of vision
R
Heavy rain, snow or fog
Driving systems and driving safety systems may be malfunctioning or temporarily unavailable.
Once the cause of the problem is no longer present, the driving systems and driving safety systems will be available
again.
If the display message does not disappear:
#
Stop the vehicle in accordance with the trac conditions.
#
Clean the windshield.
PRE-SAFE Inoperative See
Operator's Manual
*
The PRE‑SAFE
®
functions are malfunctioning.
#
Consult a qualied specialist workshop.
430
Display messages and warning/indicator lamps
Parking assistance systems
Display messages Possible causes/consequences and M Solutions
Parking Assist and
PARKTRONIC Inoperative
See Operator's Manual
* Vehicles with Active Parking Assist: Active Parking Assist and Parking Assist PARKTRONIC are malfunctioning.
Vehicles without Active Parking Assist: Parking Assist PARKTRONIC is malfunctioning.
#
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.
Parking Assist Maneuver-
ing Assistance Restricted
See Operator's Manual
* The Parking Assist maneuvering assistant is temporarily unavailable or only partially available.
#
Clean all sensors of the parking and camera system (/ page 326).
#
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
431
Display messages Possible causes/consequences and M Solutions
G
Service Not Activated
* The Mercedes-Benz emergency call system is not active.
Either the function has been deactivated or the contract has expired.
#
Activate the Mercedes-Benz emergency call system.
or
#
Extend the contract.
Mercedes me connect
Services Limited See Oper-
ator's Manual
* The vehicle functions for malfunction detection are restricted.
At least one of the main functions of the Mercedes me connect system is malfunctioning.
#
Observe the notes on the diagnostics connection (/ page 25).
#
Consult a qualied specialist workshop.
Battery
Display messages Possible causes/consequences and M Solutions
#
12 V Battery See Opera-
tor's Manual
* 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 338).
* If the message appears while the vehicle is switched on, this indicates an on-board electrical system malfunction.
432
Display messages and warning/indicator lamps
Display messages Possible causes/consequences and M Solutions
#
Consult a qualied specialist workshop.
#
See Operator's Manual
* The 12 V battery is not being charged.
*
NOTE Possible engine damage if you continue driving
#
Do not continue driving under any circumstances.
#
Consult a qualied specialist workshop.
#
Stop immediately in accordance with the trac conditions and switch o the vehicle.
#
Consult a qualied specialist workshop.
#
Stop Vehicle See Opera-
tor's Manual
* The 12 V battery is no longer being charged and the condition 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 under any circum-
stances.
#
Switch o the vehicle.
#
Consult a qualied specialist workshop.
Display messages and warning/indicator lamps
433
Display messages Possible causes/consequences and M Solutions
#
Stop Vehicle Leave Engine
Running
* 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 under any circum-
stances.
#
Leave the engine running.
#
If the display message disappears: drive on.
#
If the display message does not disappear: consult a qualied specialist workshop.
Tire pressure monitor
Display messages Possible causes/consequences and M Solutions
Tire Press. Monitor Cur-
rently Unavailable
* There is interference from a powerful radio signal source As a result, no signals from the tire pressure sensor are
being received. The tire pressure monitoring system is temporarily unavailable.
The tire pressure monitoring system will restart automatically as soon as the cause has been rectied.
#
Drive on
Tire Press. Monitor Inopera-
tive
* The tire pressure monitoring system is malfunctioning.
&
WARNING There is a risk of an accident if the tire pressure monitoring system is malfunctioning
The tire pressure monitoring system cannot issue a warning if there is pressure loss in one or more of the tires.
Tires with insucient tire pressure may impair the driving characteristics as well as steering and braking.
434
Display messages and warning/indicator lamps
Display messages Possible causes/consequences and M Solutions
#
Have the tire pressure monitoring system checked at a qualied specialist workshop.
Tire Pressure Monitor Inop-
erative No Wheel Sensors
* The wheels installed do not have suitable tire pressure sensors. The tire pressure monitoring system is deactivated.
#
Install wheels with suitable tire pressure sensors.
é
Wheel Sensor(s) Missing
* There is no signal from the tire pressure sensor in at least one wheel. No pressure value is displayed for the aected
tire.
#
Have the faulty tire pressure sensor replaced at a qualied specialist workshop.
é
Check Tires
* The tire pressure in one or more tires has dropped signicantly.
The wheel position is displayed. A warning tone will also sound.
&
WARNING Risk of an accident due to insucient tire pressure
R
The tires can burst.
R
The tires 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 tire pressures.
#
Adjust the tire pressure if necessary.
Display messages and warning/indicator lamps
435
Display messages Possible causes/consequences and M Solutions
#
Stop the vehicle in accordance with the trac conditions.
#
Check the tire pressure (/ page 348) and the tires.
é
Please Correct Tire Pres-
sure
* The tire pressure is too low in at least one of the tires, or the dierence in tire pressure between the individual wheels
is too great.
#
Check the tire pressure and add air, if necessary.
#
When the tire pressure is correct, restart the tire pressure monitor (/ page 353).
é
Warning Tire Malfunction
* The pressure in one or more tires has dropped suddenly. The wheel position is displayed.
&
WARNING Risk of an accident from driving with a at tire
R
The tires 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 tire.
#
Do not exceed the maximum permissible driving distance in emergency mode and the maximum permissible
speed with a at MOExtended tire.
#
Observe the notes on at tires.
Notes on at tires (/ page 332).
436
Display messages and warning/indicator lamps
Display messages Possible causes/consequences and M Solutions
#
Stop the vehicle in accordance with the trac conditions.
#
Check the tires.
é
Tires Overheated
* At least one tire is overheating. The aected tires are displayed in red. At temperatures close to the limit value, the
tires are displayed in yellow.
&
WARNING Risk of an accident from driving with overheated tires
Overheated tires can burst.
#
Reduce speed so that the tires cool down.
é
Decrease Speed
* At least one tire is overheating. The aected tires are displayed in red. At temperatures close to the limit value, the
tires are displayed in yellow.
&
WARNING Risk of an accident from driving with overheated tires
Overheated tires can burst.
#
Reduce speed so that the tires cool down.
Display messages and warning/indicator lamps
437
Engine oil
Display messages Possible causes/consequences and M Solutions
5
Check Engine Oil Level
(Add 1 quart)
* 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 refueling, add 1.1 US qt (1 l) of engine oil (/ page 320).
Notes on engine oil (/ page 383).
5
Engine Oil 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 Low Stop
Vehicle Turn Engine Off
* 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.
438
Display messages and warning/indicator lamps
Display messages Possible causes/consequences and M Solutions
#
Stop the vehicle immediately in accordance with the trac conditions. Do not continue driving under any circum-
stances.
#
Switch o the vehicle.
#
Add 1.1 US qt (1 l) of engine oil (/ page 320).
#
Check the engine oil level.
Notes on engine oil (/ page 383).
5
Engine Oil Pressure Stop
Switch Off Engine
* 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 under any circum-
stances.
#
Switch o the vehicle.
#
Consult a qualied specialist workshop.
Display messages and warning/indicator lamps
439

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