Display messagesPossible causes/consequences andMSolutions
XVisitaqualified specialist workshop immediately.
Fo rfurther information about th eOccupant Classification System, see
(
Ypage 54).
Lights
i
Vehicles wit hLE Dbulbs in th eligh tclusters :
The display message for th ecorrespondin glamp only appear swhen all of th eLEDs in th elamp
hav efailed.
Display messagesPossible causes/consequences and MSolutions
b
Check LeftCorner ‐ing LightorCheckRight CorneringLight
The lef tor right-hand cornering ligh tis defective.
XVisit aqualified specialist workshop .
b
CheckLeftLowBeamorCheck Right LowBea m
The lef tor right-hand low-beam headlamp is defective.
XVisit aqualified specialist workshop .
b
Check RearLef tTurnSignalor
Check Rea rRight
Tur nSignal
The rear left-han dor rear right-hand tur nsignal is defective.
XVisit aqualified specialist workshop .
b
Check Front LeftTurnSignalor
Check Front Right
Tur nSignal
The fron tleft-han dor fron tright-hand tur nsignal is defective.
XVisit aqualified specialist workshop .
b
Check LeftMirrorTur nSignalor
Check Right Mirror
Tur nSignal
The tur nsignal in th eleft-han dor right-hand exterio rmirror is defec -
tive.
XVisit aqualified specialist workshop .
b
Check LeftBrakeLam porCheck RightBrake Lam p
The leftor right-hand brak elamp is defective.
XVisit aqualified specialist workshop .
Display messages291
On-board computer and displays
Z
Display messagesPossible causes/consequences andMSolutions
b
Check Center BrakeLamp
The high-mounte dbrak elamp is faulty.
XVisit aqualified specialist workshop .
b
CheckLeftTailandBrake Lampsor
Check Right Tai l
and Brake Lamps
The leftor right-hand tai llamp/brake lamp is defective.
XVisit aqualified specialist workshop .
b
Check LeftTai lLamporCheck RightTai lLam p
The lef tor right-hand tai llamp is defective.
XVisit aqualified specialist workshop .
b
Check LeftHig hBeamorCheck RightHig hBea m
The lef tor right-hand high beam is defective.
XVisit aqualified specialist workshop .
b
LicensePlate Lam p
The leftor right-hand license plat elamp is faulty.
XVisit aqualified specialist workshop .
b
Check Front LeftParkingLam por
Check Front Right
Parkin gLam p
The fron tlef tor fron tright parking or standing lamp is defective.
XVisit aqualified specialist workshop .
b
Backup Light
The leftor right-hand backup lamp is defective.
XVisit aqualified specialist workshop .
b
Check Front LeftSidemarkerLam por
Check Front Right
Sidemarke rLam p
The fron tleft-han dor fron tright-hand side marke rlamp is faulty.
XVisit aqualified specialist workshop .
b
Check RearLef tSidemarke rLam por
Check Rea rRight
Sidemarke rLam p
The rear left-han dor rear right-hand side marke rlamp is faulty.
XVisit aqualified specialist workshop .
292Display messages
On-board computer and displays
Display messagesPossible causes/consequences andMSolutions
b
Check LeftDaytim eRunningLightor
CheckRightDaytim eRunningLight
The lef tor right-hand daytime runnin glamp is faulty.
XVisit aqualified specialist workshop .
b
Active HeadlampsInoperative
The active lightfunction is faulty.
XVisit aqualified specialist workshop .
b
Malfunction SeeOperator’sManual
The exterio rlighting is defective.
XVisit aqualified specialist workshop .
b
AutoLam pFunctionInoperative
The ligh tsensor is defective.
XVisit aqualified specialist workshop .
b
Switch Off Lights
You leaveth evehicl eand th elights are switched on . Awarning tone
also sounds.
XTurn th eligh tswitch to position Ã.
b
Switch On Headlamps
You are drivingwit hlow-beam headlamp sswitched off .
XTurn theligh tswitch to position LorÃ.
Adaptive HighbeamAssist Plu sInoper ‐ative
Adaptive Highbea mAssis tPlus is faulty.
XVisit aqualified specialist workshop .
Adaptive HighbeamAssist PlusCur ‐rently UnavailableSee Operator' sMan ‐ual
Adaptive Highbea mAssis tPlus is deactivated and temporarily inop-
erative .
Possibl ecauses are:
Rth ewindshield in th ecamera' sfield of vision is dirty.
Rvisibilit yis impaire ddue to heav yrain ,snow or fog .
XClean thewindshield.
If th esystem detects that th ecamera is full yoperational again ,th e
Adaptive Highbeam Assist Plu sAvailable Again
message is
displayed.
Adaptive Highbea mAssis tPlus is operational again .
Display messages293
On-board computer and displays
Z
Display messagesPossible causes/consequences andMSolutions
#
See Operator'sMan ‐ual
The battery is no tbein gcharged.
A warning tone also sounds.
Possibl ecauses are:
Radefective alternato r
Rdefective powerelectronics (PLUG-IN HYBRID vehicles)
Ra torn poly-V-belt
Ramalfunction in th eelectronics
!Do no tcontinu edriving. The engin ecould otherwise overheat.
XPull ove rand stop th evehicl esafely and switch off th eengine, pay-
ing attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 189).
XConsult aqualified specialist workshop .
#
StopVehicl eSeeOperator' sManual
The battery is no longer bein gcharged and th ebattery charg elevel is
to olow.
A warning tone also sounds.
XPull ove rand stop th evehicl esafely and switch off th eengine, pay-
ing attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 189).
XObserv eth einstruction sin th e# See Operator' sManualdisplay message .
XConsultaqualified specialist workshop .
#
StopVehicl eLeaveEngine Runnin g
The battery charg elevel is to olow.
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.
XLeav eth eengin erunning.
XWait until th edisplay message disappear sbefore pullin gaway.
#
Start Engine SeeOperator' sManual
The engin eis switched off and th ebattery charg elevel is to olow.
XSwitc hoff electrical consumer sthat you do no tneed, suc has th e
rear window defroste rand interior lighting .
XLeaveth eengin erunnin gfor afew minute sor drive alon gdistance.
The battery is bein gcharged.
Display messages29 5
On-board computer and displays
Z
Hybrid drive system
Display messagesPossible causes/consequences andMSolutions
d
VehicleOperationalSwitchtheIgnitionOff Before Exiting
PLUG-IN HYBRID vehicles:
You are leaving the vehicle when it is in a ready-to-drive state. The
READY indicator in the multifunction display is on. A warning tone also
sounds.
If you leave the vehicle:
XSecure the vehicle against rolling away (Ypage 189).
XSwitch off the ignition and remove the SmartKey.
If you do not leave the vehicle:
XSwitch off the electrical consumers, e.g. automatic climate control,
seat heating.
Please note the following: the electrical consumers are supplied by the 12 V battery. If the vehicle is left in a ready-to-drive state for an exten-
ded period, it will switch off once the 12 V battery is almost empty. It
will then only be possible to start the vehicle using a second battery
(jump-starting).
Change the currentdrive programbeforechangingtheoperating mode.or
Exit manual drive
program M beforechangingtheoperat‐ing mode.
PLUG-IN HYBRID vehicles:
You have attempted to change the operating mode when in automatic
drive program S(Sport) or manual drive program M.
XActivate the drive programE(Economy) or E+(Economy Plus)
(Ypage 250).
XSelect the preferred operating mode HYBRID,E-MODE,E-SAVE or
CHARGE (Ypage 243).
E-MODE CurrentlyUnavailable
PLUG-IN HYBRID vehicles:
The condition of charge of the high-voltage battery has dropped to the
lower limit and the E-MODEoperating mode has been switched off.
Driving with the internal combustion engine is activated and the oper-
ating mode switches to the basic HYBRIDsetting.
XContinue driving using the internal combustion engine.
You can switch to the E-SAVEorCHARGE operating mode as
required (
Ypage 243).
If you select CHARGE, the high-voltage battery is charged.
Once the charge level display for the high-voltage battery has
increased slightly, you can switch to the E-MODEoperating mode
again.
Display messages297
On-board computer and displays
Z
Display messagesPossible causes/consequences andMSolutions
¨
VehicleRisingPlease Wai t
The vehiclelevel is to olow when th evehicl eis stationary. Awarning
tone also sounds.
XDo no tpull away.
The vehicl elevel is set when th edisplay message disappears.
¨
Sto pVehicl eVehi‐cle Too Low
You hav epulled away while th evehicl elevel is still to olow.
AIRMATIC set sth evehicl eto th eselected level after ashort period.
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 189).
XWait until th edisplay message disappear sbefore pullin gaway.
AIRMATIC is defective. Awarning tone also sounds.
XDo no tdrive at speeds abov e50 mph (80 km/h).
XMak eonly slight steering movements. Otherwise ,th efron tfender
or th etires could be damaged if th esteering movement is to olarge.
XListe nfor scraping sounds.
XPull ove rand stop th evehicl esafely, payin gattention to roa dand
traffic conditions, and set ahigher vehicl elevel.
Dependin gon th emalfunction ,it may be possibl eto rais eth evehi-
cle .
XVisit aqualified specialist workshop .
¨
Malfunction
The AIRMATIC function is restricted. The vehicle's handlin gcharac -
teristics may be affected.
XDo no tdrive at speeds abov e50 mph (80 km/h).
XVisit aqualified specialist workshop .
ABC MalfunctionStopVehicl eThe Active Body Control (ABC) vehicl elevel is to olow.
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
Afte r afew seconds, th evehicl elevel is adjusted and th edisplay
message disappears.
The multifunction display continuousl yshows th edisplay message .
The vehicl eis leaking oil.
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.
XConsult aqualified specialist workshop .
The multifunction display continuousl yshows th edisplay message .
Active Body Control (ABC) is malfunctioning .
XDo notdrive at speeds abov e50 mph (80 km/h).
XMak eonly slight steering movements. Otherwise ,th efron tfender
or th etires could be damaged if th esteering movement is to olarge.
XListe nfor scraping sounds.
XVisit aqualified specialist workshop .
300Display messages
On-board computer and displays
Display messagesPossible causes/consequences andMSolutions
Spotlight Inopera‐tiveNight View Assis tPlus is deactivated and temporarily inoperative.
Possibl ecauses are:
Rth ewindshield in th ecamera' sfield of vision is dirty.
Rth ecamera in th eradiato rtrim is dirty.
Rvisibilit yis impaire ddue to heav yrain ,snow or fog .
Rtheoutside temperature is to ohigh .
XClean th ewindshield.
XClean th ecamera in th eradiato rtrim.
If th esystem has been switched off due to excessive outside tem-
peratures, th esystem will switch bac kon automatically once it has
cooled down .
If th esystem detects that th ecamera is full yoperational, th edisplay
message disappears.
Night View Assis tPlus is operational again .
Night View AssistPlus is faulty.
XVisit aqualified specialist workshop .
TrafficSignAssistCurrently Unavaila‐ble See Operator' sManual
Traffic SignAssis tis temporarily inoperative.
Possibl ecauses are:
Rth ewindshield in th ecamera' sfield of vision is dirty.
Rvisibilit yis impaire ddue to heav yrain ,snow or fog .
XClean thewindshield.
If th esystem detects that th ecamera is full yoperational, th edisplay
message disappears.
Traffic Sig nAssis tis operational again .
TrafficSignAssistInoperativeTraffic Sig nAssis tis faulty.
XVisit aqualified specialist workshop .
ë
Off
The HOLD function is deactivated. The vehicl eis skidding.
A warning tone also sounds.
XReactivat eth eHOLD function later (Ypage 208).
DISTRONIC PLUSOffDISTRONI CPLU Shas been deactivated.
If awarning tone also sounds, DISTRONI CPLU Shas deactivated auto -
matically (
Ypage 199).
DISTRONIC PLU SNowAvailableDISTRONI CPLU Sis operational again after having been temporarily
unavailable .You can no wreactivat eDISTRONI CPLU S (Ypage 199).
Display messages303
On-board computer and displays
Z
Display messagesPossible causes/consequences andMSolutions
Becausethere 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 189).
XInsertth eSmartKey int oth eignition loc kand bring int oke ymode.
Â
Remove 'Start 'But ‐ton and Insert Key
The SmartKey is continually undetected.
The SmartKey detection function has atemporar ymalfunction or is
faulty. Awarning 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.
Safety
Seat belts
Warning/
indicator
lam pNSignal type
Possible causes/consequences and M
Solutions
üNAfte rstarting th eengine, th ered seat belt warning lamp lights up for 6seconds .
The seat belt warning lamp remind sth edriver and fron tpassenger to faste ntheir
seat belts.
XFaste nyour seat belt (Ypage 49).
üNAfte rstarting th eengine, th ered seat belt warning lamp lights up. In addition , a
warning tone sounds for up to 6seconds.
The driver's seat belt is no tfastened.
XFaste nyour seat belt (Ypage 49).
The warning tone ceases .
Warning and indicator lamps in the instrument cluster313
On-board computer and displays
Z