1990-2018 Mercedes G Class SUV On-board computer and displays -> Display messages User Manual
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On-board computer and displays -> Display messages for Your Mercedes G Class SUV Third Generation (1990-2018)

This function is only available if you have
stored at least two laps and have stopped the
RACETIMER.
X
Press = or ; on the steering wheel
to select the
AMGAMG menu.
X
Press the 9 button repeatedly until the
lap evaluation is shown.
Each lap is shown in a separate submenu.
The fastest lap is indicated by flashing
symbol :.
X
Press the 9 or : button to select a
different lap evaluation.
Display messages
Introduction
General notes
Display messages appear in the multifunction
display.
Display messages with graphic displays may
be shown in simplified form in the Operator's
Manual and may differ from the messages
shown in the multifunction display.
Please respond in accordance with the
display messages and follow the additional
notes in this Operator's Manual.
Certain display messages are accompanied
by an audible warning tone or a continuous
tone.
When you stop and park the vehicle, please
observe the notes on:
R
HOLD function (Y page 188)
R
Parking (Y page 156)
Hiding display messages
X
Press the a or % button on the
steering wheel to hide the display message.
The display message is cleared.
Display messages with a high priority are
shown in red.
You cannot hide display messages of the
highest priority. The multifunction display
shows these messages continuously until the
causes for the messages have been
remedied.
Message memory menu
The on-board computer saves certain display
messages. You can call up the display
messages in the message memory.
X
Press the = or ; button on the
steering wheel to select the
Serv.Serv. menu.
If there are display messages, the
multifunction display shows
2 Messages2 Messages,
for example.
X
Press the 9 or : button to select the
entry, e.g.
2 Messages2 Messages.
X
Press a to confirm.
X
Press the 9 or : button to scroll
through the display messages.
When the ignition is switched off, all display
messages are deleted, apart from some high-
priority display messages. Once the causes of
the high-priority display messages have been
rectified, the corresponding display
messages are also deleted.
220
Display messages
On-board computer and displays
Safety systems
Display messages Possible causes/consequences and MM Solutions
!÷
CurrentlyCurrently
Unavailable SeeUnavailable See
Operator's ManualOperator's Manual
ABS (Anti-lock Braking System), ESP
®
(Electronic Stability
Program), BAS (Brake Assist), the HOLD function, hill start assist
and ESP
®
trailer stabilization are temporarily unavailable.
BAS and the adaptive brake lights may also have failed.
In addition, the ÷, å and ! warning lamps light up in
the instrument cluster.
Possible causes are:
R
Self-diagnosis is not yet complete.
R
The on-board voltage may be insufficient.
G
WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP
®
is not operational, ESP
®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X
Carefully drive a suitable distance making slight steering
movements at a speed above 12 mph (20 km/h).
If the display message disappears, the functions mentioned
above are available again.
If the display message continues to be displayed:
X
Drive on carefully.
X
Visit a qualified specialist workshop.
!÷
Inoperative SeeInoperative See
Operator's ManualOperator's Manual
ABS, ESP
®
, BAS, the HOLD function, hill start assist and
ESP
®
trailer stabilization are unavailable due to a malfunction.
BAS and the adaptive brake lights may also have failed.
The $ (USA only)/J (Canada only), ÷, å and !
warning lamps in the instrument cluster also light up.
G
WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
Display messages
221
On-board computer and displays
Z
Display messages Possible causes/consequences and MM Solutions
If ESP
®
is not operational, ESP
®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X
Drive on carefully.
X
Visit a qualified specialist workshop immediately.
÷
CurrentlyCurrently
Unavailable SeeUnavailable See
Operator's ManualOperator's Manual
ESP
®
, BAS, the HOLD function, hill start assist and ESP
®
trailer
stabilization are unavailable due to a malfunction.
BAS and the adaptive brake lights may also have failed.
In addition, the ÷ and å warning lamps light up in the
instrument cluster.
The self-diagnosis function might not be complete, for example.
G
WARNING
The brake system continues to function normally, but without the
functions listed above.
The braking distance in an emergency braking situation can thus
increase.
If ESP
®
is not operational, ESP
®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X
Carefully drive a suitable distance making slight steering
movements at a speed above 12 mph (20 km/h).
If the display message disappears, the functions mentioned
above are available again.
If the display message continues to be displayed:
X
Drive on carefully.
X
Visit a qualified specialist workshop.
222
Display messages
On-board computer and displays
Display messages Possible causes/consequences and MM Solutions
÷
Inoperative SeeInoperative See
Operator's ManualOperator's Manual
ESP
®
, BAS, the HOLD function, hill start assist and ESP
®
trailer
stabilization are unavailable due to a malfunction.
BAS and the adaptive brake lights may also have failed.
In addition, the ÷ and å warning lamps light up in the
instrument cluster.
G
WARNING
The brake system continues to function normally, but without the
functions listed above.
The braking distance in an emergency braking situation can thus
increase.
If ESP
®
is not operational, ESP
®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X
Drive on carefully.
X
Visit a qualified specialist workshop.
T!
÷
Inoperative SeeInoperative See
Operator's ManualOperator's Manual
EBD (electronic brake force distribution), ABS, ESP
®
, BAS, the
HOLD function, hill start assist and ESP
®
trailer stabilization are
unavailable due to a malfunction.
BAS and the adaptive brake lights may also have failed.
In addition, the ÷, å and ! warning lamps light up in
the instrument cluster and a warning tone sounds.
G
WARNING
The brake system continues to function normally, but without the
functions listed above. The front and rear wheels could therefore
lock if you brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP
®
is not operational, ESP
®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X
Drive on carefully.
X
Visit a qualified specialist workshop immediately.
F(USA
only)!(Canada
only)
ReleaseRelease Park.Park. BrakeBrake
You are driving with the parking brake applied. A warning tone also
sounds.
X
Release the parking brake.
Display messages
223
On-board computer and displays
Z
Display messages Possible causes/consequences and MM Solutions
$(USA
only)J(Canada
only)
Check Brake FluidCheck Brake Fluid
LevelLevel
There is not enough brake fluid in the brake fluid reservoir. In
addition, the $ (USA only)/J (Canada only) warning lamp
lights up in the instrument cluster and a warning tone sounds.
G
WARNING
The braking effect may be impaired.
There is a risk of an accident.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X
Secure the vehicle against rolling away (Y page 156).
X
Consult a qualified specialist workshop.
X
Do not add brake fluid. This does not correct the malfunction.
#
Check Brake PadCheck Brake Pad
WearWear
The brake pads/linings have reached their wear limit.
X
Visit a qualified specialist workshop.
G
mbrace Inoperativembrace Inoperative
USA only: one or more main functions of the mbrace system are
malfunctioning.
Canada only: one or more main functions of the TELE AID system
are malfunctioning.
X
USA only: have the mbrace system checked at a qualified
specialist workshop.
X
Canada only: have the Tele AID system checked at a qualified
specialist workshop.
6
SRS MalfunctionSRS Malfunction
Service RequiredService Required
There is a malfunction in the SRS (Supplemental Restraint
System). The 6 warning lamp also lights up in the instrument
cluster.
G
WARNING
The air bags or Emergency Tensioning Devices may either be
triggered unintentionally or, in the event of an accident, may not
be triggered.
There is an increased risk of injury.
X
Visit a qualified specialist workshop.
For further information about SRS, see (Y page 39).
224
Display messages
On-board computer and displays
Display messages Possible causes/consequences and MM Solutions
6
Front LeftFront Left
MalfunctionMalfunction
ServiceService
RequiredRequiredorFrontFront
Right Malfunction
Right Malfunction
Service RequiredService Required
SRS has malfunctioned at the front on the left or right. The 6
warning lamp also lights up in the instrument cluster.
G
WARNING
The air bags or Emergency Tensioning Devices may either be
triggered unintentionally or, in the event of an accident, may not
be triggered.
There is an increased risk of injury.
X
Visit a qualified specialist workshop.
6
Rear LeftRear Left
MalfunctionMalfunction
ServiceService
RequiredRequiredorRearRear
Right Malfunction
Right Malfunction
Service RequiredService Required
SRS has malfunctioned at the rear on the left or right. The 6
warning lamp also lights up in the instrument cluster.
G
WARNING
The air bags or Emergency Tensioning Devices may either be
triggered unintentionally or, in the event of an accident, may not
be triggered.
There is an increased risk of injury.
X
Visit a qualified specialist workshop.
6
Rear CenterRear Center
MalfunctionMalfunction
Service RequiredService Required
SRS has malfunctioned at the rear center. The 6 warning lamp
also lights up in the instrument cluster.
G
WARNING
The air bags or Emergency Tensioning Devices may either be
triggered unintentionally or, in the event of an accident, may not
be triggered.
There is an increased risk of injury.
X
Visit a qualified specialist workshop.
6
Left Side CurtainLeft Side Curtain
AirbagAirbag MalfunctionMalfunction
Service RequiredService Required
or Right SideRight Side
Curtain Airbag
Curtain Airbag
MalfunctionMalfunction
Service RequiredService Required
There is a malfunction in the left-hand or right-hand window
curtain air bag. The 6 warning lamp also lights up in the
instrument cluster.
G
WARNING
The left or right window curtain air bag may either be triggered
unintentionally or, in the event of an accident, may not be
triggered.
There is an increased risk of injury.
X
Visit a qualified specialist workshop.
Display messages
225
On-board computer and displays
Z
Display messages Possible causes/consequences and MM Solutions
Front PassengerFront Passenger
Airbag DisabledAirbag Disabled
See Operator'sSee Operator's
ManualManual
A special BabySmart™-compatible child restraint system is
mounted on the front-passenger seat.
The 45 indicator lamp also lights up.
The front-passenger air bag is therefore disabled.
Further information on BabySmart™(Y page 44).
Front PassengerFront Passenger
AirbagAirbag EnabledEnabled SeeSee
Operator's ManualOperator's Manual
The 45 indicator lamp does not remain lit if a special
BabySmart™-compatible child restraint system has been installed
on the front-passenger seat.
The BabySmart™ system is malfunctioning.
G
WARNING
The front-passenger front air bag can be triggered unintentionally
in the event of an accident.
There is a risk of an accident.
X
Make sure there is nothing between the seat and the child
restraint system.
X
Check that the child restraint system is installed correctly.
X
If the 45 indicator lamp does not light up, have the
BabySmart™ system checked as soon as possible at a qualified
specialist workshop.
Do not transport a child on the front-passenger seat until the
air bag deactivation system has been repaired.
Lights
i
Display messages about LEDs:
This display message will only appear if all LEDs have failed.
Display messages Possible causes/consequences and MM Solutions
b
Check Left LowCheck Left Low
BeamBeam or CheckCheck
Right Low Beam
Right Low Beam
The left or right-hand low-beam headlamp is defective.
X
Visit a qualified specialist workshop.
b
CheckCheck TrailerTrailer LeftLeft
Tail LampTail Lamp or CheckCheck
Trailer
Trailer RightRight TailTail
LampLamp
The left or right-hand trailer tail lamp is faulty.
X
Check whether you are permitted to change the bulb yourself.
or
X
Visit a qualified specialist workshop.
226
Display messages
On-board computer and displays
Display messages Possible causes/consequences and MM Solutions
b
CheckCheck TrailerTrailer LeftLeft
Turn SignalTurn Signal or
Check TrailerCheck Trailer
Right Turn SignalRight Turn Signal
The left or right-hand trailer turn signal lamp is defective.
X
Check whether you are permitted to change the bulb yourself.
or
X
Visit a qualified specialist workshop.
b
Check TrailerCheck Trailer
Brake LampBrake Lamp
The trailer brake lamp is defective.
X
Check whether you are permitted to change the bulb yourself.
or
X
Visit a qualified specialist workshop.
b
Check Rear LeftCheck Rear Left
Turn SignalTurn Signal or
Check Rear RightCheck Rear Right
Turn SignalTurn Signal
The rear left-hand or rear right-hand turn signal is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 109).
or
X
Visit a qualified specialist workshop.
b
Check Front LeftCheck Front Left
Turn SignalTurn Signal or
Check Front RightCheck Front Right
Turn SignalTurn Signal
The front left-hand or front right-hand turn signal is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 109).
or
X
Visit a qualified specialist workshop.
b
Check Left MirrorCheck Left Mirror
Turn SignalTurn Signal or
CheckCheck RightRight MirrorMirror
Turn SignalTurn Signal
The turn signal in the left-hand or right-hand exterior mirror is
defective.
X
Visit a qualified specialist workshop.
b
CheckCheck CenterCenter BrakeBrake
LampLamp
The high-mounted brake lamp is faulty.
X
Visit a qualified specialist workshop.
b
Check Left BrakeCheck Left Brake
LampLamporCheck RightCheck Right
Brake Lamp
Brake Lamp
The left or right-hand brake lamp is defective.
X
Replace the bulb (Y page 108).
b
Check Left HighCheck Left High
BeamBeamorCheck RightCheck Right
High Beam
High Beam
The left or right-hand high beam is defective.
X
Visit a qualified specialist workshop.
Display messages
227
On-board computer and displays
Z
Display messages Possible causes/consequences and MM Solutions
b
License Plate LampLicense Plate Lamp
There is a short circuit in the LED lamps. The LEDs have been
switched off.
X
Visit a qualified specialist workshop.
b
Check Left FogCheck Left Fog
LampLamporCheck RightCheck Right
Fog Lamp
Fog Lamp
The left-hand or right-hand front fog lamp is defective.
X
Replace the bulb (Y page 108).
b
Rear Fog LampRear Fog Lamp
The rear fog lamp is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 109).
or
X
Visit a qualified specialist workshop.
b
Check Front LeftCheck Front Left
Parking LampParking Lamp or
Check Front RightCheck Front Right
Parking LampParking Lamp
The front left or front right parking or standing lamp is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 109).
or
X
Visit a qualified specialist workshop.
b
Backup LightBackup Light
The backup lamp is defective.
X
Replace the bulb (Y page 108).
b
Check Front LeftCheck Front Left
SidemarkerSidemarker
LampLamporCheck FrontCheck Front
Right Sidemarker
Right Sidemarker
LampLamp
The left or right front side marker lamp is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 109).
or
X
Visit a qualified specialist workshop.
b
Check Left TailCheck Left Tail
LampLamporCheck RightCheck Right
Tail Lamp
Tail Lamp
The left or right-hand tail lamp is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 109).
or
X
Visit a qualified specialist workshop.
228
Display messages
On-board computer and displays
Display messages Possible causes/consequences and MM Solutions
b
CheckCheck LeftLeft DaytimeDaytime
Running LightRunning Light or
Check RightCheck Right
Daytime RunningDaytime Running
LightLight
The left or right-hand daytime running lamp is defective.
X
Visit a qualified specialist workshop.
b
Malfunction SeeMalfunction See
Operator's ManualOperator's Manual
The exterior lighting is defective.
X
Visit a qualified specialist workshop.
b
AutoAuto LampLamp FunctionFunction
InoperativeInoperative
The light sensor is defective.
X
Visit a qualified specialist workshop.
b
Switch Off LightsSwitch Off Lights
The lights are still switched on when you leave the vehicle. A
warning tone also sounds.
X
Turn the light switch to Ã.
Engine
Display messages Possible causes/consequences and MM Solutions
+
Check CoolantCheck Coolant
Level SeeLevel See
Operator's ManualOperator's Manual
The coolant level is too low.
X
Add coolant, observing the warning notes before doing so
(Y page 285).
X
Have the coolant system checked at a qualified specialist
workshop if the coolant needs topping up more often than usual.
?
The fan motor is faulty.
X
At coolant temperatures below 248 ‡(120 †), drive to the next
qualified specialist workshop.
X
Avoid heavy loads on the engine as you do so, e.g. driving in
mountainous terrain and stop-start traffic.
Display messages
229
On-board computer and displays
Z
Display messages Possible causes/consequences and MM Solutions
?
Coolant Too HotCoolant Too Hot
Stop Vehicle TurnStop Vehicle Turn
Engine OffEngine Off
The coolant is too hot.
A warning tone also sounds.
G
WARNING
Do not drive when your engine is overheated. This can cause some
fluids which may have leaked into the engine compartment to
catch fire.
Steam from the overheated engine can also cause serious burns
which can occur just by opening the hood.
There is a risk of injury.
X
Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X
Secure the vehicle against rolling away (Y page 156).
X
Leave the vehicle and keep a safe distance from the vehicle until
the engine has cooled down.
X
Make sure that the air supply to the engine radiator is not
blocked, e.g. by snow, slush or ice.
X
Do not start the engine again until the display message goes out
and the coolant temperature is below 248 ‡ (120 †).
Otherwise, the engine could be damaged.
X
Pay attention to the coolant temperature display.
X
If the temperature increases again, visit a qualified specialist
workshop immediately.
Under normal operating conditions and with the specified coolant
level, the coolant temperature may rise to 248 ‡ (120 †).
The poly-V-belt may have torn.
X
Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X
Check the poly-V-belt.
If the poly-V-belt is torn:
!
Do not continue driving. The engine could otherwise overheat.
X
Consult a qualified specialist workshop.
If the poly-V-belt is not damaged:
X
Wait until the display message disappears before restarting the
engine. Otherwise, the engine could be damaged.
X
Pay attention to the coolant temperature display.
X
Visit a qualified specialist workshop.
230
Display messages
On-board computer and displays
Display messages Possible causes/consequences and MM Solutions
#
The battery is not being charged.
A warning tone also sounds.
Possible causes are:
R
a defective alternator
R
a torn poly-V-belt
R
a malfunction in the electronics
X
Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X
Open the hood.
X
Check whether the poly-V-belt is torn.
If the poly-V-belt is torn:
!
Do not continue driving. The engine could otherwise overheat.
X
Consult a qualified specialist workshop.
If the poly-V-belt is not damaged:
X
Visit a qualified specialist workshop.
4
Check Engine OilCheck Engine Oil
At Next RefuelingAt Next Refueling
The engine oil level has dropped to the minimum level.
A warning tone also sounds.
X
Check the oil level when next refueling, at the latest
(Y page 283).
X
If necessary, add engine oil (Y page 284).
X
Have the engine checked at a qualified specialist workshop if
engine oil needs to be added more often than usual.
!
Avoid long journeys with too little engine oil. The engine will
otherwise be damaged.
Information on approved engine oils can be obtained from any
qualified specialist workshop or on the Internet at
(USA only).
4
Engine Oil LevelEngine Oil Level
Low Stop VehicleLow Stop Vehicle
Turn Engine OffTurn Engine Off
The engine oil level is too low. There is a risk of engine damage.
X
Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X
Add engine oil (Y page 284) and check the oil level
(Y page 283).
Display messages
231
On-board computer and displays
Z
Display messages Possible causes/consequences and MM Solutions
4
Check Engine OilCheck Engine Oil
LevelLevel (Add(Add 11 quart)quart)
AMG vehicles: the engine oil level is too low.
X
Check the oil level when next refueling, at the latest
(Y page 283).
X
If necessary, add engine oil (Y page 284).
X
Have the engine checked at a qualified specialist workshop if
engine oil needs to be added more often than usual.
!
Avoid long journeys with too little engine oil. The engine will
otherwise be damaged.
Information on approved engine oils can be obtained from any
qualified specialist workshop or on the Internet at
(USA only).
4
Engine Oil LevelEngine Oil Level
Cannot Be MeasuredCannot Be Measured
The measuring system is malfunctioning.
X
Visit a qualified specialist workshop.
8
Fuel Level LowFuel Level Low
The fuel level has dropped into the reserve range.
X
Refuel at the nearest gas station.
C
There is only a very small amount of fuel in the fuel tank.
X
Refuel at the nearest gas station without fail.
8
Gas Cap LooseGas Cap Loose
The fuel system pressure is too low. The fuel filler cap is not closed
correctly or the fuel system is leaking.
X
Check that the fuel filler cap is correctly closed.
If the fuel filler cap is not correctly closed:
X
Close the fuel filler cap.
If the fuel filler cap is correctly closed:
X
Visit a qualified specialist workshop.
232
Display messages
On-board computer and displays
Driving systems
Display messages Possible causes/consequences and MM Solutions
TC ShiftTC Shift
Conditions NotConditions Not
FulfilledFulfilled
Apply Brake/Apply Brake/
Parking BrakeParking Brake
The parking brake has not been applied and the brake pedal has
not been depressed. The transfer case has canceled the gear
change process and is in Neutral. There is no connection between
the engine and the drive wheels.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X
Depress the brake pedal and apply the parking brake.
X
Shift the automatic transmission to neutral position N.
X
Make sure all conditions for changing gears are met
(Y page 194).
X
Repeat the gearshift process.
TC MalfunctionTC Malfunction
Visit WorkshopToVisit WorkshopTo
park, apply thepark, apply the
parking brakeparking brake
There is a malfunction in the transfer case.
X
Do not shift the transfer case.
X
When parking, secure the vehicle against rolling away
(Y page 156).
X
Have the vehicle checked at a qualified specialist workshop.
TC Shift CanceledTC Shift Canceled
Please ReactivatePlease Reactivate
The transfer case has not performed the gear change process.
X
Repeat the gearshift process.
X
Make sure all conditions for changing gears are met
(Y page 194).
TCTC ShiftShift ConditionCondition
Not FulfilledNot Fulfilled
Drive at Max.Drive at Max.
25 mph25 mph
You have exceeded the maximum speed for the gearshift process.
X
Drive more slowly.
X
Repeat the gearshift process.
TCTC ShiftShift ConditionCondition
Not FulfilledNot Fulfilled
Shift to NEUTRALShift to NEUTRAL
You have not met one or more shift conditions.
X
Shift the automatic transmission to neutral position N.
X
Repeat the gearshift process.
TCTC shiftshift conditioncondition
not fulfillednot fulfilled
Drive at Max.Drive at Max.
40 mph40 mph
You have exceeded the maximum speed for the gearshift process.
X
Drive more slowly.
X
Repeat the gearshift process.
LOW RANGELOW RANGE
OnOn
The transfer case is in the LOW RANGE off-road position.
HIGH RANGEHIGH RANGE
OnOn
The transfer case is in the HIGH RANGE on-road position.
Display messages
233
On-board computer and displays
Z
Display messages Possible causes/consequences and MM Solutions
DifferentialDifferential LocksLocks
Available Only inAvailable Only in
LOW RANGELOW RANGE
The LOW RANGE button has been pressed. The transfer case is in
the LOW RANGE off-road driving position and a differential lock
is engaged.
X
Disengage the differential locks (Y page 195).
X
Repeat the gearshift process.
TC-NEUTRALTC-NEUTRAL
OnOn
The transfer case is in the Neutral neutral position.
A warning tone will also sound when the driver's door is opened
and the brake pedal is not depressed.
X
Close the driver's door.
X
Secure the vehicle against rolling away (Y page 156).
X
Shift the transfer case according to driving conditions
(Y page 193).
Differential LockDifferential Lock
PreselectedPreselected
ESP Not AvailableESP Not Available
A differential lock has been engaged. The differential gear has not
yet locked the respective differential. The activation indicator
lamp (yellow) (Y page 195) of the switch lights up.
ESP is unavailable.
ABS is still available.
DifferentialDifferential LocksLocks
ActiveActive
ABS and ESP NotABS and ESP Not
AvailableAvailable
A differential lock was engaged and the differential gear has
locked the respective differential. The activation indicator lamp
(yellow) and function indicator lamp (red) (Y page 195) on the
switch light up.
ABS and ESP are unavailable.
234
Display messages
On-board computer and displays
Display messages Possible causes/consequences and MM Solutions
Blind Spot AssistBlind Spot Assist
CurrentlyCurrently
Unavailable SeeUnavailable See
Operator's ManualOperator's Manualor
Active Blind SpotActive Blind Spot
Assist CurrentlyAssist Currently
Unavailable SeeUnavailable See
Operator's ManualOperator's Manual
Blind Spot Assist or Active Blind Spot Assist is temporarily
inoperative. Possible causes are:
R
you have established the electrical connection between the
trailer and your vehicle.
R
the sensors are dirty.
R
function is impaired due to heavy rain or snow.
R
the radar sensor system is outside the operating temperature
range.
R
the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation.
The yellow 9 indicator lamps also light up in the exterior
mirrors.
X
When towing a trailer, confirm the display message with a.
If you are driving without a trailer and the display message does
not disappear:
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X
Apply the parking brake.
X
Clean the sensors (Y page 291).
X
Restart the engine.
If the system detects that the sensors are fully operational, the
display message disappears.
Blind Spot Assist or Active Blind Spot Assist is operational again.
Blind Spot AssistBlind Spot Assist
InoperativeInoperativeor
Active Blind SpotActive Blind Spot
Assist InoperativeAssist Inoperative
Blind Spot Assist or Active Blind Spot Assist is defective.
The yellow 9 indicator lamps also light up in the exterior
mirrors.
X
Visit a qualified specialist workshop.
DISTRONIC PLUSDISTRONIC PLUS
OffOff
DISTRONIC PLUS has been deactivated (Y page 176).
If it was deactivated automatically, a warning tone also sounds.
DISTRONIC PLUSDISTRONIC PLUS
Now AvailableNow Available
DISTRONIC PLUS is operational again after having been
temporarily unavailable. You can now reactivate DISTRONIC PLUS
(Y page 176).
Display messages
235
On-board computer and displays
Z
Display messages Possible causes/consequences and MM Solutions
DISTRONIC PLUSDISTRONIC PLUS
CurrentlyCurrently
Unavailable SeeUnavailable See
Operator's ManualOperator's Manual
DISTRONIC is deactivated and temporarily inoperative. Possible
causes are:
R
the DISTRONIC PLUS cover in the radiator trim is dirty
R
function is impaired due to heavy rain or snow.
R
the sensors in the bumpers are dirty.
R
the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation.
R
the system is outside the operating temperature range.
R
the transfer case is in the LOW RANGE transmission position.
R
the vehicle is on an uphill or downhill gradient of greater than
22%-25%.
R
the on-board voltage is too low.
A warning tone also sounds.
If the display message does not disappear:
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X
Apply the parking brake.
X
Clean the DISTRONIC PLUS cover in the radiator trim and the
bumper (Y page 291).
X
Restart the engine.
If the system detects that the sensors are fully operational, the
display message disappears.
DISTRONIC is operational again.
DISTRONIC PLUSDISTRONIC PLUS
InoperativeInoperative
DISTRONIC PLUS is defective.
BAS (Brake Assist) may also have failed.
A warning tone also sounds.
X
Visit a qualified specialist workshop.
DISTRONIC PLUSDISTRONIC PLUS
PassivePassive
You have depressed the accelerator pedal. DISTRONIC PLUS is no
longer controlling the speed of the vehicle.
X
Remove your foot from the accelerator pedal.
DISTRONIC PLUSDISTRONIC PLUS
--- mph--- mph
An activation condition for DISTRONIC PLUS is not fulfilled.
X
Check the activation conditions for DISTRONIC PLUS
(Y page 176).
DISTRONICDISTRONIC PLUSPLUS andand
SPEEDTRONIC
SPEEDTRONIC
InoperativeInoperative
DISTRONIC PLUS and SPEEDTRONIC are faulty. A warning tone
also sounds.
X
Visit a qualified specialist workshop.
236
Display messages
On-board computer and displays
Display messages Possible causes/consequences and MM Solutions
CruiseCruise ControlControl andand
SPEEDTRONICSPEEDTRONIC
InoperativeInoperative
Cruise control and SPEEDTRONIC are malfunctioning.
X
Visit a qualified specialist workshop.
LimitLimit
--- mph--- mph
While depressing the accelerator pedal beyond the pressure point
(kickdown), SPEEDTRONIC cannot be activated.
Cruise ControlCruise Control
--- mph--- mph
A condition for activating cruise control has not been fulfilled.
You have tried to store a speed below 20 mph (30 km/h), for
example.
X
If conditions permit, drive faster than 20 mph (30 km/h) and
store the speed.
X
Check the activation conditions for cruise control
(Y page 168).
Tires
Display messages Possible causes/consequences and MM Solutions
TireTire pressurepressure willwill
bebe displayeddisplayed afterafter
driving a fewdriving a few
minutesminutes
The tire pressure monitor is measuring the tire pressure.
X
Drive on.
The tire pressures appear in the multifunction display after you
have been driving for a few minutes.
Tire Press.Tire Press.
MonitorMonitor
InoperativeInoperative
The tire pressure monitor is faulty.
X
Visit a qualified specialist workshop.
Tire PressureTire Pressure
MonitorMonitor
Inoperative NoInoperative No
Wheel SensorsWheel Sensors
The wheels mounted do not have a suitable tire pressure sensor.
The tire pressure monitor is deactivated.
X
Mount wheels with suitable tire pressure sensors.
The tire pressure monitor is activated automatically after driving
for a few minutes.
Display messages
237
On-board computer and displays
Z
Display messages Possible causes/consequences and MM Solutions
Check TiresCheck Tires
The tire pressure in one or more tires has dropped significantly.
The wheel position is displayed in the multifunction display.
A warning tone also sounds.
G
WARNING
With tire pressures which are too low, there is a risk of the
following hazards:
R
they may burst, especially as the load and vehicle speed
increase.
R
they may wear excessively and/or unevenly, which may greatly
impair tire traction.
R
the driving characteristics, as well as steering and braking, may
be greatly impaired.
There is a risk of an accident.
X
Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
X
Secure the vehicle against rolling away (Y page 156).
X
If there is a flat tire, inspect the tires (Y page 298).
X
Check the tire pressure (Y page 319).
X
If necessary, correct the tire pressure.
Warning TireWarning Tire
MalfunctionMalfunction
The tire pressure in one or more tires has dropped suddenly. The
wheel position is shown in the multifunction display.
G
WARNING
If you drive with a flat tire, there is a risk of the following hazards:
R
A flat tire affects the ability to steer or brake the vehicle.
R
You could lose control of the vehicle.
R
Continued driving with a flat tire will cause excessive heat build-
up and possibly a fire.
There is a risk of an accident.
X
Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
X
Secure the vehicle against rolling away (Y page 156).
X
If there is a flat tire, inspect the tires (Y page 298).
Correct TireCorrect Tire
PressurePressure
The tire pressure is too low in at least one of the tires, or the tire
pressure difference between the wheels is too great.
X
Check the tire pressures at the next opportunity (Y page 319).
X
If necessary, correct the tire pressure.
X
Restart the tire pressure monitor (Y page 321).
238
Display messages
On-board computer and displays
Display messages Possible causes/consequences and MM Solutions
TirePress.TirePress.
Sensor(s) MissingSensor(s) Missing
There is no signal from the tire pressure sensor of one or several
wheels. The pressure of the affected tire is not displayed in the
multifunction display.
X
Have the faulty tire pressure sensor replaced at a qualified
specialist workshop.
Tire Press.Tire Press.
Monitor CurrentlyMonitor Currently
UnavailableUnavailable
Due to a source of radio interference, no signals can be received
from the wheel sensors. The tire pressure monitor is temporarily
malfunctioning.
X
Drive on.
The tire pressure monitor restarts automatically as soon as the
problem has been solved.
h
Tire PressureTire Pressure
Warning TireWarning Tire
FailureFailure
The tire pressure in one or more tires has dropped suddenly.
A warning tone also sounds.
G
WARNING
If you drive with a flat tire, there is a risk of the following hazards:
R
A flat tire affects the ability to steer or brake the vehicle.
R
You could lose control of the vehicle.
R
Continued driving with a flat tire will cause excessive heat build-
up and possibly a fire.
There is a risk of an accident.
X
Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
X
Secure the vehicle against rolling away (Y page 156).
X
If there is a flat tire, inspect the tires (Y page 298).
Display messages
239
On-board computer and displays
Z
Display messages Possible causes/consequences and MM Solutions
h
CheckCheck TireTire PressurePressure
The tire pressure in one or more tires has dropped significantly.
G
WARNING
With tire pressures which are too low, there is a risk of the
following hazards:
R
they may burst, especially as the load and vehicle speed
increase.
R
they may wear excessively and/or unevenly, which may greatly
impair tire traction.
R
the driving characteristics, as well as steering and braking, may
be greatly impaired.
There is a risk of an accident.
X
Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
X
Secure the vehicle against rolling away (Y page 156).
X
If there is a flat tire, inspect the tires (Y page 298).
X
Check the tire pressure (Y page 319).
X
If necessary, correct the tire pressure.
h
Correct TireCorrect Tire
PressurePressure
The tire pressure is too low in at least one of the tires, or the tire
pressure difference between the wheels is too great.
X
Check the tire pressures at the next opportunity (Y page 319).
X
If necessary, correct the tire pressure.
Vehicle
Display messages Possible causes/consequences and MM Solutions
Shift to 'P' orShift to 'P' or
'N''N' toto StartStart EngineEngine
You have attempted to start the engine with the transmission in
position R or D.
X
Shift the transmission to position P or N.
Auxiliary BatteryAuxiliary Battery
MalfunctionMalfunction
The auxiliary battery for the automatic transmission is no longer
being charged.
X
Visit a qualified specialist workshop at the next opportunity.
X
Until then, set the automatic transmission to position P before
you switch off the engine.
X
Before leaving the vehicle, apply the parking brake.
240
Display messages
On-board computer and displays
Display messages Possible causes/consequences and MM Solutions
A
The rear door is open.
G
WARNING
When the engine is running, exhaust gases can enter the vehicle
interior if the rear door is open.
There is a risk of poisoning.
X
Close the rear door.
?
The hood is open.
G
WARNING
The open hood may block your view when the vehicle is in motion.
There is a risk of an accident.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X
Secure the vehicle against rolling away (Y page 156).
X
Close the hood.
C
At least one door is open.
A warning tone also sounds.
X
Close all the doors.
D
Power SteeringPower Steering
Malfunction SeeMalfunction See
Operator's ManualOperator's Manual
The power steering is malfunctioning.
A warning tone also sounds.
G
WARNING
You will need to use more force to steer.
There is a risk of an accident.
X
Check whether you are able to apply the extra force required.
X
If you are able to steer safely: carefully drive on to a qualified
specialist workshop.
X
If you are unable to steer safely: do not drive on. Contact the
nearest qualified specialist workshop.
Phone No ServicePhone No Service
Your vehicle is outside the network provider's transmitter/
receiver range.
X
Wait until the mobile phone operational readiness symbol
appears in the multifunction display.
¥
Check Washer FluidCheck Washer Fluid
The washer fluid level in the washer fluid reservoir has dropped
below the minimum.
X
Add washer fluid (Y page 286).
Display messages
241
On-board computer and displays
Z
SmartKey
Display messages Possible causes/consequences and MM Solutions
Â
Key Does NotKey Does Not
Belong to VehicleBelong to Vehicle
You have put the wrong SmartKey in the ignition lock.
X
Use the correct SmartKey.
Â
TakeTake YourYour KeyKey fromfrom
IgnitionIgnition
The SmartKey is in the ignition lock.
X
Remove the SmartKey.
Â
Obtain a New KeyObtain a New Key
The SmartKey needs to be replaced.
X
Visit a qualified specialist workshop.
Warning and indicator lamps in the
instrument cluster
Overview of warning and indicator
lamps
L
Low-beam
headlamps(Y page 99)
#!
Turn signals (Y page 103)
K
High-beam headlamps
(Y page 103)
N
Fog lamps (Y page 101)
R
Rear fog lamp (Y page 101)
ü
Seat belts (Y page 243)
$ (USA) Brakes (Y page 244)
J (Canada)Brakes (yellow)
(Y page 244)
!
ABS (Y page 245)
÷
ESP
®
(Y page 247)
å
ESP
®
OFF (Y page 247)
6
SRS (Y page 250)
;
Check Engine (Y page 251)
8
Reserve fuel (Y page 251)
?
Coolant (Y page 251)
·
Distance warning signal
(Y page 253)
h
Tire pressure monitor
(Y page 254)
242
Warning and indicator lamps in the instrument cluster
On-board computer and displays

Related Topics

On-board computer and displays
Useful information Important safety notes Displays and operation Menus and submenus Warning and indicator lamps in the instrument cluster

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