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Display messagesPossible causes/consequences andMSolutions
TirePressure Moni‐tor Inoperative NoWheel Sensor s
The wheels mounte ddo no thav e a suitable tire pressur esensor .The
tire pressur emonitor is deactivated.
XMoun twheels wit hsuitable tire pressur esensors.
The tire pressur emonitor is activated automatically after drivin gfor
a few minutes.
Tir ePress.Monito rInoperativeThe tire pressur emonitor is faulty.
XVisit aqualified specialist workshop .
Vehicle
Display messagesPossible causes/consequences and MSolutions
Shiftto'P'or'N'to Start EngineYou haveattempte dto start th eengin ewit hth etransmission in posi-
tion Ror D.
XShift th etransmission to position Por N.
Apply Brake toShift fro m'P'You hav eattempte dto shift th etransmission to position D,Ror N
without depressing th ebrak epedal .
XDepress th ebrak epedal .
ToDeselectPorN,Depres sBrake andStart Engine
Wit hth eengin eswitched off ,you hav eattempte dto shift th etrans -
mission out of position Por Nint oanother transmission position .
XDepress thebrak epedal .
XStart th eengine.
TransmissionNotinP Ris kof Vehicl eRollingAwa y
The driver's door is open/not completely closed and th etransmission
is in position R,N or D.
A warning tone also sounds.
GWARNIN G
The vehicl emay rol laway.
There is aris kof an accident.
XShift th etransmission to position P.
XSecureth evehicl eagainst rollin gaway (Ypage 178).
XCloseth edriver's door completely.
Onl yShift to 'P'whe nVehicl eisSta‐tionar y
The vehicl eis moving .
XStop thevehicl esafely as soo nas possible, payin gattention to roa d
and traffic conditions.
XShift th etransmission to position P.
Display messages311
On-board computer and displays
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Display messagesPossible causes/consequences andMSolutions
ServiceRequiredDoNot Shift GearsVisit Dealer
You canno tchang eth etransmission position due to amalfunction .
A warning tone also sounds.
If transmission position Dis selected:
XDrive to aqualified specialist workshop without shifting th etrans -
mission from position D.
If transmission position R,N or Pis selected:
XSecur eth evehicl eagainst rollin gaway (Ypage 178).
XNotify aqualified specialist workshop or breakdown service.
ReversingNotPossi‐bleServic eRequiredYou canno tshift int oth etransmission position Rdue to amalfunction .
The transmission position sP,N or Dcontinu eto be available.
A warning tone also sounds.
XVisit aqualified specialist workshop .
Transmission Mal‐function StopAmalfunction has occurred in th emechanical transmission compo -
nents.
A warning tone also sounds. The gearbox automatically shift sto posi-
tion N.
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XShift th etransmission to position P.
XSecureth evehicl eagainst rollin gaway (Ypage 178).
XNotify aqualified specialist workshop or breakdown service.
Sto pVehicl eLeaveEngineRunnin gWaitTransmission Cool‐ing
PLUG-I NHYBRID vehicles:
The transmission has overheated. Pullin gaway can be temporarily
impaire dor no tpossible.
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions. Do no tcontinu edrivin g
under any circumstances.
XWait until th edisplay message disappear sbefore pullin gaway.
Auxiliary Batter yMalfunctionThe auxiliary battery for th eautomatic transmission is no longer bein g
charged.
XVisit aqualified specialist workshop .
XUntilthen ,set th eautomatic transmission to position Pbefore you
switch off th eengine.
XBefor eleaving th evehicle, apply th eelectric parking brake.
AThe tailgat eis open .
GWARNIN G
Whe nth eengin eis running, exhaust gase scan ente rth evehicl einte-
rio rif th etailgat eis open .
There is aris kof poisoning .
XCloseth etailgate.
312Display messages
On-board computer and displays
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Display messagesPossible causes/consequences andMSolutions
?The hoodis open .
GWARNIN G
The open hoo dmay bloc kyour vie wwhen th evehicl eis in motion .
There is aris kof an accident.
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 178).
XCloseth ehood.
CAt least on edoor is open .
A warning tone also sounds.
XClos eall th edoors.
&
Pre-Entry Climat eCtrl. (ViaSmart‐Key )AvailableAgain After EngineStart
PLUG-I NHYBRID vehicles:
Wit hth eengin eswitched off ,you hav eattempte dto switch on th epre -
entr yclimat econtrol mor ethan twice .
XLet theengin erun for te nseconds.
Afte rrunnin gth eengine, th epre-entry climat econtrol is opera-
tional again .
&
Pre-Entry Climat eCtrl. (ViaSmart‐Key )InoperativeHVBatter yLow
PLUG-I NHYBRID vehicles:
The on-boar dvoltag eis to olow. The pre-entry climat econtrol canno t
be switched on .
XDrive foralonger distance.
The battery is bein gcharged. Whe nth econdition of charg eof th e
high-voltage battery is ove rth especified minimum ,pre-entry cli -
mat econtrol is operational again .
Ð
Power Steering Mal‐function See Opera‐tor'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.
If you ar eabl eto steer safely:
XDrive on carefully.
XVisit aqualified specialist workshop immediately.
If you ar eunable to steer safely:
XDo no tdrive on .
XConsult aqualified specialist workshop .
Display messages313
On-board computer and displays
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Display messagesPossible causes/consequences andMSolutions
Phone No ServiceYour vehicleis 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 359).
Wiper Malfunction‐ingThe windshield wiper sare malfunctioning .
XVisitaqualified specialist workshop .
Hazard WarningFlashers Malfunc‐tioning
The hazard warning lamp sare faulty.
XVisit aqualified specialist workshop .
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 .
Â
ReplaceKey Batter y
The SmartKey battery is discharged.
XChange thebattery (Ypage 81) .
Â
Don't Forget You rKey
The SmartKey is notin th eignition lock. You hav eopened th edriver's
door wit hth eengin eswitched off .
This display message is displayed for amaximum of 60 seconds and is
simply areminder.
XTak eth eSmartKey wit hyou when you leav eth evehicle.
Â
Key Not Detected(whit edisplay message )
The SmartKey is currentl yundetected.
XChange th elocation of th eSmartKey in th evehicle.
If th eSmartKey still canno tbe detected:
XOperat eth evehicl ewit hth eSmartKey in th eignition lock.
314Display messages
On-board computer and displays
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Display messagesPossible causes/consequences andMSolutions
Â
Key Not Detected(reddisplay message )
The SmartKey is no tin th evehicle.
A warning tone also sounds.
If th eengin eis switched off ,you can no longer loc kth evehicl ecen-
trally or start th eengine.
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 178).
XLocate th eSmartKey.
Becaus ethere is interferenc efrom astron gsource of radi owaves, th e
ke yis no tdetecte dwhils tth eengin eis running.
A warning tone also sounds.
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 178).
XInsertth eSmartKey int oth eignition loc kand bring int oke ymode.
Â
Remove 'Start 'But ‐ton and Insert Key
RThe SmartKey detection function has atemporar ymalfunction or is
faulty.
RThe SmartKey is continually undetected.
A warning tone also sounds.
XInser tth eSmartKey int oth eignition loc kand tur nit to th edesire d
position .
XVisitaqualified specialist workshop .
Warning and indicat orlamps in the instrume nt cluster
General notes
Some systems carry out aself-diagnosis when th eignition is switched on .Therefore ,som eindicator
and warning lamp smay ligh tup or flas htemporarily. This behavio ris non-critical .These indicator
and warning lamp sonly indicat e amalfunction if they ligh tup or flas hafter starting th eengin eor
whils tdriving.
Warning and indicator lamps in the instrument cluster315
On-board computer and displays
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Safety
Seat belts
Warning/
indicator
lampNSignal type
Possible causes/consequences and M
Solutions
üNAfter starting the engine, the red seat belt warning lamp lights up for 6 seconds.
The seat belt warning lamp reminds the driver and front passenger to fasten their
seat belts.
XFasten your seat belt (Ypage 48).
üN After starting the engine, the red seat belt warning lamp lights up. In addition, a
warning tone sounds for up to 6 seconds.
The driver's seat belt is not fastened.
XFasten your seat belt (Ypage 48).
The warning tone ceases.
üN The red seat belt warning lamp lights up after the engine starts, as soon as the
driver's or the front-passenger door is closed.
The driver or front passenger has not fastened their seat belt.
XFasten your seat belt (Ypage 48).
The warning lamp goes out.
There are objects on the front-passenger seat.
XRemove the objects from the front-passenger seat and stow them in a secure
place.
The warning lamp goes out.
üN The red seat belt warning lamp flashes and an intermittent audible warning
sounds.
The driver or front passenger has not fastened their seat belt. The vehicle is being driven faster than 15 mph (25 km/h) or has briefly been driven faster than 15 mph
(25 km/h).
XFasten your seat belt (Ypage 48).
The warning lamp goes out and the intermittent warning tone ceases.
There are objects on the front-passenger seat. The vehicle is being driven faster
than 15 mph (25 km/h) or has briefly been driven faster than 15 mph (25 km/h).
XRemove the objects from the front-passenger seat and stow them in a secure
place.
The warning lamp goes out and the intermittent warning tone ceases.
316Warning and indicator lamps in the instrument cluster
On-board computer and displays
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Safety systems
Warning/
indicator
lampNSignal type
Possible causes/consequences and M
Solutions
J$N$ (USA only), J(Canada only): the red brake system warning lamp is lit
while the engine is running.
PLUG-IN HYBRID vehicles:
The red brake system warning lamp is shown in the READY driving status.
A warning tone also sounds.
GWARNING
The brake boosting effect is malfunctioning and the braking characteristics may be
affected.
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. Do not continue driving under any circumstances.
XSecure the vehicle against rolling away (Ypage 178).
XConsult a qualified specialist workshop.
XObserve the additional display messages in the multifunction display.
J$N $ (USA only), J(Canada only): the red brake system warning lamp is lit
while the engine is running.
PLUG-IN HYBRID vehicles:
The red brake system warning lamp is shown in the READY driving status.
A warning tone also sounds.
GWARNING
There is not enough brake fluid in the brake fluid reservoir.
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. Do not continue driving under any circumstances.
XSecure the vehicle against rolling away (Ypage 178).
XDo not add brake fluid. Adding more will not correct the malfunction.
XConsult a qualified specialist workshop.
XObserve the additional display messages in the multifunction display.
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Warning/
indicator
lampNSignal type
Possible causes/consequences and M
Solutions
J$N$ (USA only), J(Canada only): the red brake system warning lamp is lit
while the engine is running.
PLUG-IN HYBRID vehicles:
The red brake system warning lamp is shown in the READY driving status.
A warning tone also sounds.
GWARNING
RBS is malfunctioning. Pedal travel may be longer than usual and braking per-
formance may be affected.
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. Do not continue driving under any circumstances.
XSecure the vehicle against rolling away (Ypage 178).
XConsult a qualified specialist workshop.
XObserve the additional display messages in the multifunction display.
éN The yellow RBS (Recuperative Brake System) warning lamp is lit while the engine
is running.
PLUG-IN HYBRID vehicles:
The yellow RBS (Recuperative Brake System) warning lamp is on in driving condi-
tion READY.
A warning tone also sounds.
GWARNING
RBS is malfunctioning. Pedal travel may be longer than usual and braking per-
formance may be affected.
There is a risk of an accident.
XIf the multifunction display shows a display message, please observe this.
XDrive on carefully.
XVisit a qualified specialist workshop immediately.
$N USA only: the red brake system warning lamp is lit while the engine is running.
The multifunction display also shows a display message with the #symbol.
The brake pads/linings have reached their wear limit.
XVisit a qualified specialist workshop.
318Warning and indicator lamps in the instrument cluster
On-board computer and displays