
Vehicle
Display messagesPossible causes/consequences andMSolutions
Shift to P or N toStart EngineYou have attempted to start the engine with the transmission in posi-
tionRor D.
XShift the transmission to position Por N.
Auxiliary BatteryMalfunctionThe auxiliary battery for the automatic transmission is no longer being
charged.
XVisit a qualified specialist workshop at the next opportunity.
XUntil then, set the automatic transmission to position Pbefore you
switch off the engine.
XBefore leaving the vehicle, apply the parking brake.
Apply Brake toShift from PYou have attempted to move the transmission selector lever to posi-
tion D,R or Nwithout depressing the brake pedal.
XDepress the brake pedal.
AThe rear door is open.
GWARNING
When the engine is running, exhaust gases can enter the vehicle inte-
rior if the tailgate is open.
There is a risk of poisoning.
XClose the rear door.
?The hood is open.
GWARNING
The open hood may block your view when the vehicle is in motion.
There is a risk of an accident.
XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 130).
XClose the hood.
CAt least one door is open.
A warning tone also sounds.
XClose all the doors.
Display messages201
On-board computer and displays
Z 

Display messagesPossible causes/consequences andMSolutions
D
Power Steering Mal‐function. See Oper‐ator's Manual
The powersteering is malfunctioning .
A warning tone also sounds.
GWARNIN G
You will need to use mor eforce to steer .
There is aris kof an accident.
XChec kwhether you are able to apply th eextr aforce required.
XIf you ar eabl eto steer safely: carefully drive on to aqualified
specialist workshop .
XIf you areunable to steer safely: do notdrive on .Contac tth e
neares tqualified specialist workshop .
TelephoneNoServiceYour vehicl eis outside th enetwork provider' stransmitter/receiver
range.
XWait until th emobile phone operational readiness symbol appear s
in th emultifunction display.
¥
Check Washer Fluid
The washer flui dlevel in th ewasher flui dreservoir has dropped belo w
th eminimum .
XAddwasher flui d (Ypage 239).
SmartKey
Display messagesPossible causes/consequences and MSolutions
Â
KeyDoesNotBelongto Vehicl e
You haveput th ewrong SmartKey in th eignition lock.
XUse th ecorrec tSmartKey.
Â
Tak eYou rKey fro mIgnition
The SmartKey is in th eignition lock.
XRemove th eSmartKey.
Â
Obtain aNew Key
The SmartKey needs to be replaced.
XVisit aqualified specialist workshop .
Warning and indicat orlamps in the
instrume nt cluster
Overview ofwarning and indicat or
lamps
L Low-beam headlamp s (Ypage 84)
#
! Turn signal
(
Ypage 88) K
High-beam headlamp s (
Ypage 88)
R Rear fog lamp (
Ypage 86)
ü Seat belts (
Ypage 204)
$
(USA) Brake
s (
Ypage 205)
J
(Can -
ada) Brake
s(yellow) (
Ypage 205)
202Warning and indicator lamps in the instrument cluster
On-board computer and displays 

!ABS (Ypage 206)
÷ ESP®(Ypage 207)
å ESP®OFF (Ypage 207)
6 Restraint system (
Ypage 209)
; Check Engine (
Ypage 210)
8 Reserve fuel (
Ypage 210)
? Coolant (
Ypage 210)
· Distance warning signal
(
Ypage 212)
h Tire pressure monitor (
Ypage 213)
Warning and indicator lamps in the instrument cluster203
On-board computer and displays
Z 

ProblemPossible causes/consequences andMSolutions
!
The yellow ABS warning
lamp is lit while the
engine is running.ABS (Anti-lock Braking System) is deactivated due to a malfunction.
Other driving systems and driving safety systems may also be mal-
functioning.
GWARNING
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.
XObserve the additional display messages in the multifunction dis-
play.
XDrive on carefully.
XVisit a qualified specialist workshop.
If the ABS control unit is faulty, there is also a possibility that other
systems, such as the navigation system or the automatic transmis-
sion, will not be available.
!
The yellow ABS warning
lamp is lit while the
engine is running.ABS is temporarily unavailable. BAS, ESP®, EBD (electronic brake
force distribution), the HOLD function, hill start assist, ESP®trailer
stabilization and the adaptive brake lights, for example, have also
been deactivated.
Possible causes are:
Rself-diagnosis is not yet complete.
Rthe on-board voltage may be insufficient.
GWARNING
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 a risk of an accident.
XCarefully drive a suitable distance, making slight steering move-
ments at a speed above 12 mph (20 km/h).
The functions mentioned above are available again when the warn-
ing lamp goes out.
If the warning lamp is still on:
XObserve the additional display messages in the multifunction dis-
play.
XDrive on carefully.
XVisit a qualified specialist workshop.
206Warning and indicator lamps in the instrument cluster
On-board computer and displays 

ProblemPossible causes/consequences andMSolutions
!
The yellow ABS warning
lamp is lit while the
engine is running. A
warning tone also
sounds.EBD is malfunctioning. Therefore, ABS, BAS, ESP®, the HOLD function,
hill start assist, adaptive brake lights and ESP®trailer stabilization, for
example, are also unavailable.
GWARNING
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.
XObserve the additional display messages in the multifunction dis-
play.
XDrive on carefully.
XVisit a qualified specialist workshop.
!
The yellow ABS warning
lamp is lit while the
engine is running.You have engaged the differential locks. ABS is deactivated.
XDisengage the differential locks.
Subsequently ABS is reactivated.
$ (USA only)
J (Canada only)
÷!
The yellow brake warn-
ing lamp, the yellow
ESP
®warning lamp and
the yellow ABS warning
lamp are lit while the
engine is running.
ABS and ESP®are malfunctioning. BAS, EBD, the HOLD function, hill
start assist, the adaptive brake lights and ESP®trailer stabilization, for
example, are therefore unavailable.
GWARNING
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.
XObserve the additional display messages in the multifunction dis-
play.
XDrive on carefully.
XVisit a qualified specialist workshop.
Warning and indicator lamps in the instrument cluster207
On-board computer and displays
Z 

ProblemPossible causes/consequences andMSolutions
÷
The yellow ESP®warning
lamp flashes while the
vehicle is in motion.
ESP®or traction control has intervened because there is a risk of
skidding or at least one wheel has started to spin.
Cruise control or DISTRONIC PLUS is deactivated.
XWhen pulling away, only depress the accelerator pedal as far as
necessary.
XEase off the accelerator pedal while the vehicle is in motion.
XAdapt your driving style to suit the road and weather conditions.
XDo not deactivate ESP®.
For exceptions, see: (
Ypage 57).
å
The yellow ESP®OFF
warning lamp is lit while
the engine is running.
ESP®is deactivated.
GWARNING
If ESP
®is switched off, ESP®is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
XReactivate ESP®.
For exceptions, see: (
Ypage 57).
XAdapt your driving style to suit the road and weather conditions.
If ESP
®cannot be activated:
XHave ESP®checked at a qualified specialist workshop.
֌
The yellow ESP®and
ESP®OFF warning lamps
are lit while the engine is
running.
ESP®, BAS, the HOLD function, hill start assist, the adaptive brake
lights and ESP®trailer stabilization are unavailable due to a malfunc-
tion.
GWARNING
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.
XObserve the additional display messages in the multifunction dis-
play.
XDrive on carefully.
XVisit a qualified specialist workshop.
208Warning and indicator lamps in the instrument cluster
On-board computer and displays 

ProblemPossible causes/consequences andMSolutions
֌
The yellow ESP®and
ESP®OFF warning lamps
are lit while the engine is
running.
ESP®, BAS, the HOLD function, hill start assist and ESP®trailer sta-
bilization are temporarily unavailable.
BAS and the adaptive brake lights may also have failed.
Self-diagnosis is not yet complete.
GWARNING
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.
XCarefully drive a suitable distance, making slight steering move-
ments at a speed above 12 mph (20 km/h) .
The functions mentioned above are available again when the warn-
ing lamp goes out.
If the warning lamp is still on:
XObserve the additional display messages in the multifunction dis-
play.
XDrive on carefully.
XVisit a qualified specialist workshop.
å
The yellow ESP®OFF
warning lamp is lit while
the engine is running.
The differential lock is engaged. ABS, ESP®, 4ETS and BAS have been
deactivated.
XDisengage the differential lock.
ESP®, 4ETS and BAS are subsequently reactivated.
XObserve the additional display messages in the multifunction dis-
play.
(Canada only)
(USA only)
The red parking brake
warning lamp comes on
while the vehicle is mov-
ing. A warning tone also
sounds.You are driving with the parking brake applied.
XRelease the parking brake.
The warning lamp goes out and the warning tone ceases.
6
The red restraint system
warning lamp is lit while
the engine is running.The restraint system is faulty.
GWARNING
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.
XDrive on carefully.
XHave the restraint system checked at a qualified specialist work-
shop immediately.
For further information about the restraint system, see (
Ypage 34).
Warning and indicator lamps in the instrument cluster209
On-board computer and displays
Z 

Tires
ProblemPossible causes/consequences andMSolutions
h
USA only:
The yellow tire pressure
monitor warning lamp
(pressure loss/malfunc-
tion) is lit.
Canada only:
The yellow tire pressure
monitor warning lamp
(pressure loss) is lit.The tire pressure monitor has detected a loss of pressure in at least
one of the tires.
GWARNING
Tire pressures that are too low pose the following hazards:
Rthey may burst, especially as the load and vehicle speed increase.
Rthey may wear excessively and/or unevenly, which may greatly
impair tire traction.
Rthe driving characteristics, as well as steering and braking, may be
greatly impaired.
There is a risk of an accident.
XStop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
XSecure the vehicle against rolling away (Ypage 130).
XObserve the additional display messages in the multifunction dis-
play.
XIf there is a flat tire, inspect the tires (Ypage 250).
XCheck the tire pressure (Ypage 268).
XIf necessary, correct the tire pressure.
h
USA only:
The yellow tire pressure
monitor warning lamp
(pressure loss/malfunc-
tion) flashes for approx-
imately one minute and
then remains lit.The tire pressure monitor is faulty.
GWARNING
The system is possibly unable to recognize or register low tire pres-
sure.
There is a risk of an accident.
XObserve the additional display messages in the multifunction dis-
play.
XVisit a qualified specialist workshop.
Warning and indicator lamps in the instrument cluster213
On-board computer and displays
Z