Display messagesPossible causes/consequences andMSolutions
÷
Inoperative SeeOperator'sManual
ESP®,BAS and hill start assist are unavailable due to amalfunction .
ATTENTION ASSIST is deactivated and other drivin gsystems could be
automatically deactivated.
GWARNIN G
The brak esystem continues to function normally, but without th e
function slisted above.
The braking distanc einanemergenc ybraking situation can thus
increase.
If ES P
®is no toperational, ES P®will notstabiliz ethe vehicle.
There is an increased ris kofskiddin gand accidents .
XDrive on withcare.
XVisit aqualified specialist workshop immediately.
÷
Currently Unavail.See Operator' sMan‐ual
ES P®,BAS and hill start assist are unavailable due to amalfunction .
The self-diagnosis function ,for example, may no tbecomplete.
ATTENTION ASSIST is deactivated and other drivin gsystems could be
automatically deactivated.
GWARNIN G
The brak esystem continues to function normally, but without th e
function slisted above. The wheels could therefor eloc kify ou brak e
hard, for example.
The braking distanc einanemergenc ybraking situation can thus
increase.
If ES P
®is no toperational, ES P®will notstabiliz ethe vehicle.
There is an increased ris kofskiddin gand accidents .
XDrive on withcareonas uitable stretch of road, making slight
steering movement sataspeed abov e12mph (20 km/h).
If th edisplay message disappears, th efunction smentioned abov e
are available again .
If th edisplay message continues to be displayed:
XDrive on wit hcare.
XVisit aqualified specialist workshop immediately.
F(US A
only)
!(Canada
only)
Releas eParkin g
Brake
The red F(USAonly)/! (Canada only) indicator lamp in th e
instrumen tcluste rlights up and awarning tone also sounds.
You are drivin gwitht he parking brak eapplie dora re making an emer-
gency stop usin gthe parking brake.
XReleas ethe parking brak e(Ypage 133).
Display message s(vehicles wit hsteering whee lbuttons)20 7
On-board computera nd displays
Z
Display messagesPossible causes/consequences andMSolutions
6
SRS Malfunction:ServiceRequired
The restrain tsystem is faulty. In addition ,the 6 warning lamp
lights up in th einstrumen tcluster.
GWARNIN G
The air bags or Emergency Tensioning Devices may either be triggered
unintentionally or, in th eevent of an accident, may no tbetriggered .
There is an increased ris kofinjury.
XHavethe restrain tsystem and it scom ponent schecked immedi-
ately at aqualified specialist workshop .
Further information on th erestrain tsystem and it scom ponent scan
be found under "Occupant safety" (
Ypage 43).
6
Front LeftMalfunc‐tion: Servic eRequiredorFrontRight Malfunction:Servic eRequired
The fron tleftorr ight restrain tsystem is malfunctioning .Inaddition ,
th e6 warning lamp lights up in th einstrumen tcluster.
GWARNIN G
The air bags or Emergency Tensioning Devices may either be triggered
unintentionally or, in th eevent of an accident, may no tbetriggered .
There is an increased ris kofinjury.
XHavethe restrain tsystem and it scom ponent schecked immedi-
ately at aqualified specialist workshop .
6
LeftCurtai nAirbagMalfunction: Ser ‐viceRequiredor
Rt. Curtai nAirbag
Malfunction: Ser ‐viceRequired
There is amalfunction in th eleftorr ight window curtai nair bag. In
addition ,the 6 warning lamp lights up in th einstrumen tcluster.
GWARNIN G
The lef torright window curtai nair bag may either be triggered unin-
tentionally or, in th eevent of an accident, may no tbetriggered .
There is an increased ris kofinjury.
XHavethe restrain tsystem checke dimmediately at aqualified spe -
cialist workshop .
Lights
Display messagesPossible causes/consequences and MSolutions
b
CheckLeftLowBeamorCheck Right LowBea m
The lef torright-hand low-beam headlamp is faulty.
XChange th ebulb (Ypage 98).
b
Check Traile rLeftTur nSignalor
CheckTraile rRightTurnSignal
The lef torright-hand trailer tur nsignal lamp is faulty.
XChange th ebulb (see th etrailer manufacturer' soperating instruc-
tions).
208Display message s(vehicles wit hsteering whee lbuttons)
On-board computera nd displays
Display messagesPossible causes/consequences andMSolutions
b
CheckTrailerBrakeLamp
The trailer brak elamp is faulty.
XChange th ebulb (see th etrailer manufacturer' soperating instruc-
tions).
b
Check Traile rLeftTai lLampor CheckTraile rRight Tai lLamp
The lef torright-hand trailer tai llamp is faulty.
XChange th ebulb (see th etrailer manufacturer' soperating instruc-
tions).
b
Aut oLampF unctionInoperative
The ligh tsensor is faulty. The automatic headlamp feature is mal-
functioning .
XSwitchthe ligh tfunction son/of fmanually (Ypage 92).
XVisitaqualified specialist workshop .
b
Check RearLeftTur nSignalor
Check Rea rRight
TurnSignal
The rear left-han dorrear right-hand tur nsignal is faulty.
XChange th ebulb (Ypage 98).
b
Check Front Lef tTurnSignalor
Check Front Right
Tur nSignal
The fron tleft-han dorfrontright-hand tur nsignal is faulty.
XChange th ebulb (Ypage 98).
b
Check Center BrakeLam p
The high-mounte dbrak elamp is faulty.
XVisit aqualified specialist workshop .
b
CheckLeftTailandBrake Lampsor
Check Right Tai l
and Brake Lamps
The leftorright-hand tai llamp/brake lamp is faulty.
XChange th ebulb (Ypage 98).
b
Check Lef tHighBea morCheck RightHig hBeam
The lef torright-hand high-beam headlamp is faulty.
XChange th ebulb (Ypage 98).
b
Licens ePlate Lam p
The leftorright-hand license plat elamp is faulty.
XVisit aqualified specialist workshop .
Display messages(vehicles wit hsteering whee lbuttons)20 9
On-board computera nd displays
Z
Display messagesPossible causes/consequences andMSolutions
b
Switch Off Lights
The lights are still switched on when you leav ethe vehicle. An addi-
tional warning tone sounds.
XTurn th eligh tswitch to Ãor$.
b
CheckLef tFogLamporCheck Right FogLam p
The left-han dorright-hand fron tfog lamp is faulty.
XVisit aqualified specialist workshop .
b
RearFog Lam p
The rear fog lamp is faulty.
XChange th ebulb (Ypage 98).
b
Check Front Lef tParkingLampor
Check Front Right
Parkin gLamp
The fron tleftorf rontright parking lamp or standing lamp is faulty.
XChange th ebulb (Ypage 98).
b
Backup Light
The lef torright-hand backup lamp is faulty.
XChange th ebulb (Ypage 98).
b
Check Lef tTailLam porCheck RightTai lLamp
The lef torright-hand tai llamp is faulty.
XChange th ebulb (Ypage 98).
b
Malfunction SeeOperator' sManual
The exterio rlighting is faulty.
XVisit aqualified specialist workshop .
Vehicles withtrailer to whitch :af usem ay be defective.
XChec kthe fuses and if necessar yreplace any blown fuses (see th e
"Fus eallocation "supplement) .
XIf thedisplay message does no tdisappear ,consul taqualified spe -
cialist workshop .
b
Check LeftDaytim eRunnin gLightor
Check Rt. Daytim e
RunningLight
The lef torright-hand daytime runnin glamp is faulty.
XChange th ebulb (Ypage 98).
210Display message s(vehicles wit hsteering whee lbuttons)
On-board computera nd displays
Display messagesPossible causes/consequences andMSolutions
?The fan motor is faulty.
XCheckthe ? coolan ttem perature gage in th einstrumen tclus -
ter.
If th ecoolan ttem perature is belo wthe maximum value specified
below, you can continu edrivin gtot heneares tqualified specialist
workshop .
Avoid heav yloads on th eengine, e.g. drivin ginmountainous terrain ,
and stop-and-g otraffic.
Under normal operating condition sand wit hthe specified coolan t
level, th e? gage may ris eto2 48 ‡(120† ).
+
CheckCoolan tLevelSee Oper. Manual
The coolan tlevel is to olow.
!Avoid making lon gjou rneys wit htoo littl ecoolan tint heengin e
coolin gsystem. The engin ewill otherwise be damaged.
XAddc oolant, making sur etoobservethe warning note s
(Ypage 244).
XHav ethe engin ecoolings ystem checke dataqualified specialist
workshop if th ecoolan tneeds to be refilled mor eoften than usual.
4
CheckEngineOilAtNex tRefueling
An additional warning tone sounds. The engin eoil level has dropped to
th em inimum level.
XChec kthe oil level at th elatest when next refuelin g(Ypage 242).
XIf necessary, add engineoil(Ypage 243).
XHav ethe engin echecked ataq ualified specialist workshop if you
need to add engin eoil mor eoften than usual.
!Avoid lon gjou rneys wit htoo littl eengineo il. The engin ewill oth-
erwise be damaged.
4
Manually Check OilLevel
Reminder to chec kthe oil level.
XChec kthe oil level at th elatest when next refuelin g(Ypage 242).
XIf necessary, add engineoil(Ypage 243).
!Avoid lon gjou rneys wit htoo littl eengineo il. The engin ewill oth-
erwise be damaged.
4
Eng .OilLevelLow:StopVehicl eTurnEngine Off
The oil level is to olow. There is ariskofe ngined amage.
XStop th evehicl eimmediately, payin gattention to roa dand traffic
conditions, and switch off th eengine.
XSecur ethe vehicl etopreventitfromr ollin gaway (Ypage 132).
XChec kthe oil level (Ypage 242).
XIf necessary, add engin eoil(Ypage 243).
æ
Fue lLevel Low
The fuel level has dropped to th ereserv erange.
XRefue lattheneares tgas station .
ÏThere is ver ylittl efuel in th efuel tank.
XRefue lattheneares tgas station without fail .
212Display messages(vehicles wit hsteering whee lbuttons)
On-board computera nd displays
Drivingsystems
Display messagesPossible causes/consequences an dMSolutions
120 km/h!
Maximu mSpeedExcee‐ded
Only forcertai ncountries: th emaximum speed has bee nexcee ded.
XDrive more slowly.
À
Attention AssistInoperative
ATTENTION ASSIST has failed.
XVisit aqualified specialis tworkshop .
Attention Assist :TakeaB reak!Based on certain criteria, ATTENTION ASSIST has detecte dfatigue or
al ac kofc oncentrat ion on thepartoft hedriver .Anadditional warnin g
tone sounds.
XIf necessary, take abreak .
Durin glon gjou rneys, take regular break singoodt imesot hatyou get
enough rest.
Par kAssistCanceledAdditionally, awarnin gton es ounds. The active parking assistanc ehas
bee ncanceled and Active Parking Assis thas ended automatically. Fo r
example, you hav etouched th esteerin gwhee lord riven to ofast.
XSteer and brake yourself.
XRepeat th eparking procedur eifnecessary. Observ ethe deactiva-
tion condition sasyou do so (Ypage 158).
ParkA ssist Inoper ‐ativePARKTRONIC is malfunctionin gorfaulty.
XFollow th einstructions and helpfulhints in th e"Problems wit h
PARKTRONIC" section (Ypage 154).
XIf thedisplay messag econtinu es to be shown ,consu ltaq ualified
specialis tworkshop .
Active Parking Assis tisunavailable or faulty.
XSwitc hoffthei gnition .
XStart th eenginea gain .
XIf thedisplay messag econtinu es to be shown or symbol jis no t
shown in th edisplay, consult aqualified specialis tworkshop .
Collision Preven ‐tionA ssist Inoper ‐ative
COLLISION PREVENTION ASSIST PLU Sisnotavailable due to amal-
function .
XVisitaqualified specialis tworkshop .
Display message s(vehicles wit hsteering whee lbuttons)21 3
On-board computera nd displays
Z
Display messagesPossible causes/consequences andMSolutions
Blind SpotAssistInoperativeBlind Spot Assis tisfaulty.
XVisit aqualified specialist workshop .
Blind SpotAssistCurrently Unavail.See Operator' sMan‐ual
Blind Spot Assis tistemporarily inoperative. Possibl ecauses:
RYou hav eattached atrailer .
RThe sensor sintherear bumper are dirty.
RThe function is impaire ddue to heav yrain or snow.
RThe radar sensor system is temporarily inoperative, e.g. due to
electromagneti cradiation emitted by nearby TV or radi ostation sor
other source sofelectromagneti cradiation .
RThe system is outside th eoperating temperature range.
Once th ecauses listed abov enolonger apply, th edisplay message
goe sout and Blind Spot Assis tisoperational again .
If th edisplay message does no tdisappear :
XPull overand stop th evehicle, payin gattention to roa dand traffic
conditions.
XSecur ethe vehicl etopreventitfromr ollin gaway (Ypage 132).
XSwitc hoff th eengine.
XClean th esensor sintherear bumper (Ypage 257).
XRestart theengine.
Display message s(vehicles wit hsteering whee lbuttons)21 5
On-board computera nd displays
Z
Tires
Display messagesPossible causes/consequencesand MSolutions
AdjustTirePressureThe tire pressure is too lo winatleastone of the tires, or the tire
pressure differenc ebetween the wheels is too great.
XCheck the tire pressure at the next opportunity (Ypage 274).
XIf necessary,c orrect the tire pressure.
XRestart the tire pressure monitor (Ypage 277).
Check TiresAn additional warning tone sounds.
The tire pressure in one or mor etiresh asdropped significantly. The
displa yshows the whee lposit ion.
GWARNING
Underinflated tire sposet he following risks:
RThe tire smayburst, especially as the load and vehicl espeed
increase.
RThe tire smaywear excessivel yand/or unevenly, which mayg reatly
impai rtire traction.
RThe handling as well as steerin gand braking characteristics mayb e
severely affected.
There is ariskofana ccident.
XStop the vehicl ewithou tmaking any sudden steerin gorbraking
maneuvers. Pa yattentio ntothe trafficc onditions whil edoing so.
XSecure the vehicl etoprevent it fromr olling away (Ypage 132).
XCheck the tiresand,ifn ecessary,c hange the whee l(Ypage 286).
XCheck the tire pressure (Ypage 274).
XIf necessary,correct the tire pressure.
WarningTireM al‐functionThe tire pressure in one or mor etire sh asdropped suddenly. The dis-
play shows the whee lposit ion.
GWARNING
Driving with aflatt ire poses ariskoft he following hazards:
RAflatt ire affects the ability to stee rorbrake the vehicle.
RYouc ould thenl osec ontro lofthe vehicle.
RContinued drivin gwithaf latt ire will cause excessive heat build-up
and possibl yafire.
There is ariskofana ccident.
XStop the vehicl ewithou tmaking any sudden steerin gorbraking
maneuvers. Pa yattentio ntothe trafficc onditions whil edoing so.
XSecure the vehicl etoprevent it fromr olling away (Ypage 132).
XCheck the tiresand,ifn ecessary,c hange the whee l(Ypage 286).
TirePressure Moni‐tor CurrentlyUnavailable
Due to asource of radi ointerference, no signals can be receive dfrom
the whee lsensors. The tire pressure monitor is temporaril ymalfunc-
tioning.
The tire pressure monitor restarts automaticall yassoona sthe prob-
le mh asbeen solved.
216Displa ymessage s(vehicles wit hsteering whee lbuttons)
On-board computera nd displays