Display messagesPossible causes/consequences andMSolutions
FrontPassengerAir‐bag Enable dSeeOperator' sManual
The front-passenger air bag is enabled during th ejourney, eve n
though :
Rachild, asmall adult or an objec tweighing less than th esystem' s
weigh tthreshold is locate don th efront-passenger seat
or
Rth efront-passenger seat is unoccupied
The system may detec tobjects or force sapplyin gadditional weigh ton
th eseat .
GWARNIN G
The air bag may deploy unintentionally.
There is an increased ris kof injury.
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).
XSwitchth eignition off .
XOpenth efront-passenger door .
XRemove thechild and th echild restrain tsystem from th efront-
passenger seat .
XMakesur ethat there are no objects on th eseat addin gto th e
weight.
The system may otherwise detec tth eadditional weigh tand inter-
pre tth eseat occupant's weigh tas greate rthan it actually is.
XKee pth eseat unoccupied ,close th efront-passenger door and
switch on th eignition .
XObserveth ePASSENGER AI RBA Gindicator lamp sin th ecenter
console and th emultifunction display and chec kth efollowing:
Seat unoccupied and ignition switche
d on
:
Raself-diagnosis is carrie dout .The PASSENGER AI RBA GOF Fand
PASSENGER AI RBA GON indicator lamp smus tligh tup simulta-
neousl yfor approximately six seconds
Rth ePASSENGER AI RBA GOF Findicator lamp mus tthen ligh tup
and remain lit after th eself-diagnosis .If th eindicator lamp is on ,
OCS has disabled th efront-passenger fron tair bag (
Ypage 52)
RtheFront Passenger Airbag Enable dSee Operator' sManualorFront Passenger Airbag Disabled See Opera‐tor's Manualdisplay message smus tno tbe shown in th emul-
tifunction display
XWait for aperiod of at least 60 seconds until th enecessar ysystem
checks hav ebeen completed.
XMak esur ethat th edisplay message sdo no tappear in th emulti-
function display.
If these condition sare fulfilled ,th efront-passenger seat can be occu-
pied again .Whether th ePASSENGER AI RBA GOF For ON indicator
lamp remain slit or goe sout depend son how OCS classifies th eoccu-
pant.
If th econdition sare no tfulfilled ,th esystem is no toperating correctly.
Display messages29 1
On-board computer and displays
Z
Display messagesPossible causes/consequences andMSolutions
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 LeftTai lLamporCheck RightTai lLam p
The lef tor right-hand tai llamp is defective.
or
The rear left-han dor rear right-hand side marke rlamp is faulty.
XVisit aqualified specialist workshop .
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 .
Vehicles withtrailer to whitch : afusemay hav eblown .
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).
XCheckth efuses (Ypage 384).
XIf necessary, replace th eblown fuse. Observ eth ewarning notes.
If th emultifunction display still shows th edisplay message :
XVisitaqualified specialist workshop .
b
Malfunction SeeOperator'sManual
The exterio rlighting is faulty.
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 th eà position .
294Display messages
On-board computer and displays
Display messagesPossible causes/consequences andMSolutions
?
CoolantToo HotSto pVehicl eTur nEngine Off
The coolan tis to ohot .
A warning tone also sounds.
GWARNIN G
Do no tdrive when your engin eis overheated. This can caus esom e
fluids whic hmay hav eleaked int oth eengin ecompartmen tto catch
fire.
Steam from th eoverheate dengin ecan also caus eserious burn swhic h
can occur jus tby opening th ehood.
There is aris kof injury.
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 178).
XWait until th eengin ehas cooled down .
XMakesur ethat th eair supply to th eengin eradiato ris no tblocked,
e.g. by snow, slus hor ice .
XDo no tstart th eengin eagain until th edisplay message goe sout and
th ecoolan ttemperature is belo w24 8 ‡ (120†). Otherwise ,th e
engin ecould be damaged.
XPay attention to th ecoolan ttemperature display.
If th etemperatur eincreases again:
XVisit aqualified specialist workshop immediately.
Under normal operating condition sand wit hth especified coolan t
level, th ecoolan ttemperature may ris eto 24 8 ‡(120†).
#
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 178).
XConsult aqualified specialist workshop .
296Display messages
On-board computer and displays
Display messagesPossible causes/consequences andMSolutions
#
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 178).
XObserv eth einstruction sin th e# See Operator' sManualdisplay message .
XConsultaqualified specialist workshop .
4
CheckEngineOilAtNextRefueling
The engin eoil level has dropped to th eminimum level.
A warning tone also sounds.
!Avoid lon gjourneys wit hto olittl eengin eoil. The engin ewill oth-
erwise be damaged.
XChec kth eoil level when next refueling, at th elatest (Ypage 357).
XIf necessary, add engin eoil (Ypage 358).
If th eengin eoil need stoppin gup mor eoften:
XContac t aqualified specialist workshop and hav eth eengin e
checked.
Information on approve dengin eoils can be obtained from any quali-
fie dspecialist workshop or on th eInternet at http://bevo.mercedes -
benz.com.
4
Check Engine OilLevel (Ad d 1quart)
Mercedes-AMG vehicles: th eengin eoil level is to olow.
!Avoid lon gjourneys wit hto olittl eengin eoil. The engin ewill oth-
erwise be damaged.
XChec kth eoil level when next refueling, at th elatest (Ypage 357).
XIf necessary, add engin eoil (Ypage 358).
If th eengin eoil need stoppin gup mor eoften:
XContac t aqualified specialist workshop and hav eth eengin e
checked.
Information on approve dengin eoils can be obtained from any quali-
fie dspecialist workshop or on th eInternet at http://bevo.mercedes -
benz.com.
4
Engine Oil LevelLow Sto pVehicl eTurnEngine Off
Mercedes-AMG vehicles: th eengin eoil level is to olow.
There is aris kof engin edamage.
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 178).
XCheckth eengin eoil level (Ypage 357).
XIf necessary, add engin eoil (Ypage 358).
8
Fue lLevel Low
The fuel level has dropped int oth ereserv erange.
XRefue lat th eneares tgas station .
Display messages297
On-board computer and displays
Z
Hybrid drive system
Display messagesPossible causes/consequences andMSolutions
d
VehicleOperationalSwitchtheIgnitionOff Before Exiting
PLUG-IN HYBRID vehicles:
You are exiting 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 178).
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 programbeforechangingtheoperatingmodeorExit manualdrive program Mbeforechangingtheoperating mode
PLUG-IN HYBRID vehicles:
You have attempted to change the operating mode when in automatic
drive program Sport, Individual (with activated Sport characteristics)
or manual drive program M.
XSelect the Comfort, Slippery or Individual (with activated Comfort or
Eco characteristics) drive program (Ypage 152).
XSelect the preferred operating mode HYBRID,E-MODE,E-SAVE or
CHARGE (Ypage 246).
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 246).
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 messages299
On-board computer and displays
Z
Display messagesPossible causes/consequences andMSolutions
OnlyE-MODE Availa ‐ble Power Limite dRefuel Immediately
PLUG-INHYBRID vehicles:
The fuel tan khas been run dry and th ecombustion engin ehas been
switched off .
A warning tone also sounds.
The vehicl ewill be powered by electrical energ yonly. Performance is
restricted and th evehicl emay accelerate mor eslowly than normal.
XRefue lat th eneares tgas station without fail .
In th e"Total range and electric range" menu, you can display th e
approximat erange of th evehicl e (
Ypage 250).
Withou tstartingengine again, con ‐sultworkshop
You canno tstart th eengin eagain due to amalfunction .
A warning tone also sounds.
If th eengin eis running:
XVisit aqualified specialist workshop .
If you switch off th eengine:
XSecur eth evehicl eagainst rollin gaway (Ypage 178).
XNotify aqualified specialist workshop or breakdown service.
á
Towing Not Permit ‐ted See Operator'sManual
The hybrid drive system is faulty.
XHaveth evehicl etransporte don atransporte ror trailer to th enear-
est qualified specialist workshop .
Û
Malfunction VisitWorkshop
The hybrid drive system is faulty.
XVisitaqualified specialist workshop .
Û
Malfunction
The hybrid drive system is faulty.
XHaveth evehicl etowed away by aprofessional recovery compan yto
th eneares tqualified specialist workshop .
d
Malfunction
The drive system is malfunctioning .
The ECO start/sto pfunction may be malfunctioning .
The drive powe ris restricted.
XVisit aqualified specialist workshop .
ï
ChargerCable Con ‐nected
PLUG-INHYBRID vehicles:
The charging cable connecto ris connecte dto th evehicl esocket.
You canno tdrive off as lon gas th echarging cable connecto ris still
connected.
Befor eyou drive off :
XRemove thecharging cable connecto rfrom th evehicl esocke t
(Ypage 174).
300Display messages
On-board computer and displays
Display messagesPossible causes/consequences andMSolutions
Á
Drive MoreSlowly
You canno tchang eth evehicl elevel.
Possibl ecauses are:
Ryou are drivin gto ofas tfor th eselected vehicl elevel.
Ryou are drivin gto ofas twit h a trailer or th etrailer-coupling socke tis
bein gused ,e.g. for abicycle rack.
XDrive mor eslowly and then select th edesire dvehicl elevel again .
RVehicles wit hth eOff-Road Engineering packag e (Ypage 201)
RVehicles withth eAIRMATIC packag e (Ypage 207)
XObserveth enote son towin g atrailer (Ypage 257).
Á
Compresso rIs Cool‐ing
You hav eselected ahigher vehicl elevel. The compressor first needs
to cool down because of frequen tlevel changes.
XDrive in amanne rappropriat efor th ecurren tvehicl elevel.
XMak esur ethat there is sufficien tground clearance .
XAllow thecompressor to cool down .
Whe nth ecompressor has cooled down ,th edisplay message dis-
appears. The vehicl ethen continues rising to th eselected level.
Á
Malfunction
AIRMATIC is malfunctioning .
XDrive as appropriatefor th ecurren tvehicl elevel, but do no texceed
50 mph (80 km/h).
XMak esur ethat there is sufficien tground clearance .
XVisitaqualified specialist workshop .
Á
Max.Speed 12 mph
You are exceedin gth espeed permissibl efor th eselected off-road
level.
In addition ,th evehicl elevel display appear sabov eth edisplay mes -
sage and awarning tone sounds.
GWARNIN G
The vehicl ecould ti pand rollover.
There is aris kof an accident.
XAdjus tyour drivin gstyle to th ealtere dhandlin gcharacteristics .
XOnly makeslight steering movement sand avoid fas tsteering move-
ments .
XDo notexceed 12 mph (20 km/h) until th evehicl ehas reached off -
roa dlevel 2.
Á
Raisin gMax.Speed12 mph
The vehicl eis bein gadjusted to off-road level 3.
In addition ,th evehicl elevel display appear sabov eth edisplay mes -
sage .
The display message refers to th emaximum speed permissibl e
(dependin gon th emodel type) for off-road level 3.
XDo no tdrive at speeds abov e12 mph (20 km/h).
302Display messages
On-board computer and displays
Display messagesPossible causes/consequences andMSolutions
g
LoweringMax.Speed12 mph
The vehicl eis bein glowered from off-road level 3to off-road level 2.
In addition ,th evehicl elevel display appear sabov eth edisplay mes -
sage .
The display message refers to th emaximum speed permissibl e
(dependin gon th emodel type) for off-road level 3.
XDo no texceed 12 mph (20 km/h)until the vehicle has reached off-
road level 2.
ACTIVECURVESYSTEMMalfunctionThe ACTIVE CURVE SYSTEM is faulty. The vehicle's handlin g charac-
teristics may beaffected.
XDo not drive at speeds above 50 mph (80 km/h).
XVisit a qualified specialist workshop.
ACTIVECURVESYSTEMMalfunction SeeOperator's Manual
The ACTIVE CURVE SYSTEM is faulty. The vehicle's handlin g charac-
teristics are severe lyimpaired. A warning tone also sounds.
GWAR NING
There isa risk of an accident.
XDrive on carefully.
XAdjust your driving style to the altered handling characteristics.
XAvoid sudden acceleration around tight corners and fast steering
movements.
XDo not drive at speeds above 50 mph (80 km/h).
XVisit aqualified specialist workshop immediately.
ý
Different. LockSys. Malfunction
Thedifferential lock isfaulty.
XDo not drive at speeds above 50 mph (80 km/h).
XVisit a qualified specialist workshop.
ý
Different. LockingSys. Cooling DownPlease Wait
Thedifferential lock istoo hot and has been disengaged.
XDrive on carefully.
XAllow the differential lock to cool down.
The differential lock re-engages as soon as it has cooled down.
LOW RANGE StopApply Parking BrakeA gearshift process has been canceled. LOW RANGE isin the neutral
position. There isno connection between the engine and the drive
wheels.
XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
XAp ply the electr icparking brake. Do not continue driving under any
circumstances.
XRepeat the gearshift process.
LOW RANGE Malfunc‐tionToPark,ApplyBrake
LOW RANGE ismalfunctioning.
XDo not drive at speeds above 50 mph (80 km/h).
XWhen parking, secure the vehicle against rolling away (Ypage 178).
XVisit a qualified specialist workshop.
Display messages303
On-board computer and displays
Z