2016 MERCEDES-BENZ C-Class SEDAN display

Display messagesPossible causes/consequences andMSolutions
6
Front LeftMalfunc‐tio nServic eRequiredorFrontRight MalfunctionServic eRequired
The restrain tsystem has malfunctioned at th efron ton th elef tor right .
The 6 warning lamp also 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 tbe triggered .
There is an increased ris kof injury.
XVisit aqualified specialist workshop immediately.
6
Rea rLef tMalfunc‐tio nServic eRequiredorRea rRight MalfunctionServic eRequired
The rear left-han dor right-hand restrain tsystem has malfunctioned.
The 6 warning lamp also 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 tbe triggered .
There is an increased ris kof injury.
XVisit aqualified specialist workshop immediately.
6
Rea rCenterMalfunc‐tionServic eRequired
The rear center restrain tsystem has malfunctioned. The 6warning
lamp also 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 tbe triggered .
There is an increased ris kof injury.
XVisit aqualified specialist workshop immediately.
6
Lef tSid eCurtai nAirbag MalfunctionServiceRequiredor
Right Sid eCurtai n
Airbag MalfunctionServiceRequired
There is amalfunction in th eleft-han dor right-hand window curtai nair
bag. The 6warning lamp also lights up in th einstrumen tcluster.
GWARNIN G
The lef tor right window curtai nair bag may either be triggered unin-
tentionally or, in th eevent of an accident, may no tbe triggered .
There is an increased ris kof injury.
XVisit aqualified specialist workshop immediately.
264Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
FrontPassengerAir‐bag Disabled SeeOperator' sManual
The front-passenger air bag is deactivated during th ejourney, eve n
though :
Ran adult
or
Raperson of th ecorrespondin gstatur eis on th efront-passenger seat
If additional force sare applie dto th eseat ,th esystem may interpret
th eoccupant's weigh tas lower than it actually is.
GWARNIN G
The front-passenger air bag does no tdeploy during an accident.
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 177).
XSwitchth eignition off .
XHaveth eoccupant get out of th evehicle.
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 switched 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 (Occupant Classification System) has disabled th efront-
passenger fron tair bag (
Ypage 54 )
Rthedisplay message sFront Passenger Airbag Enable dSee Operator'sManualor Front Passenger Airbag Dis ‐abled See Operator'sManualmus tno tappear in th emulti-
function 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.
XVisit aqualified specialist workshop immediately.
Fo rfurther information about th eOccupant Classification System, see
(
Ypage 54).
Display messages26 5
On-board computer and displays
Z

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 177).
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 54)
Rthedisplay message sFront Passenger Airbag Enable dSee Operator'sManualor Front Passenger Airbag Dis ‐abled See Operator'sManualmus tno tappear in th emulti-
function 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.
266Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
XVisitaqualified specialist workshop immediately.
Fo rfurther information about th eOccupant Classification System, see
(
Ypage 54).
Lights
Display messagesPossible causes/consequences and MSolutions
b
CheckLeftLowBeam(Example)
The correspondin gbulb is faulty.
XVisit aqualified specialist workshop .
or
XChec kwhether you are permitte dto replace th ebulb yourself
(Ypage 122).
iLE Dligh tsources: th edisplay message for th ecorrespondin g
lamp only appear swhen all th eLEDs in th elamp hav efailed.
b
Active HeadlampsInoperative
The active ligh tfunction 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 faulty.
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 .
b
Switch On Headlamps
You are drivin gwit hlow-beam headlamp sswitched off .
XTurn theligh tswitch to th eL orà position .
Display messages267
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
Adaptive HighbeamAssist InoperativeAdaptive HighbeamAssis tis faulty.
XVisit aqualified specialist workshop .
Adaptive HighbeamAssist CurrentlyUnavailable SeeOperator'sManual
Adaptive Highbea mAssis tis deactivated and 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 again ,th e
Adaptive
HighbeamAssistNowAvailablemessage is displayed.
Adaptive Highbea mAssis tis operational again .
Engine
Display messagesPossible causes/consequences and MSolutions
+
CheckCoolantLevelSee Operator' sMan ‐ual
The coolan tlevel is to olow.
!Avoid making lon gjourneys wit hto olittl ecoolan tin th eengin e
coolin gsystem. The engin ewill otherwise be damaged.
XAd dcoolant, observing th ewarning note sbefore doin gso
(Ypage 333).
If you have to ad dcoolant frequently:
XContac t aqualified specialist workshop and hav eth eengin ecoolin g
system checked.
?The fan motor is faulty.
XAt coolan ttemperatures belo w24 8‡( 120 †), drive to the nearest
qualified specialist workshop.
XAvoid heavy loads on the engine as you do so, e.g. driving in moun-
tainous terrain and stop-start traffic.
268Display 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 177).
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 177).
XConsult aqualified specialist workshop .
Display messages269
On-board computer and displays
Z

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 177).
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.
4
CheckEngineOilAtNex tRefueling
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 332).
XIf necessary, add engin eoil (Ypage 332).
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 aqualified
specialist workshop or on th eInternet at http://bevo.mercedes -
benz.com.
270Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
4
Check Engine OilLevel (Add 1quart)
The engin eoil level has dropped to th eminimum level.
!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 332).
XIf necessary, add engin eoil (Ypage 332).
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 aqualified
specialist workshop or on th eInternet at http://bevo.mercedes -
benz.com.
4
Engine Oil LevelLow Sto pVehicl eTurnEngine Off
Mercedes-AMG vehicles:
The engin 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 177).
XCheckth eengin eoil level (Ypage 332).
XIf necessary, add engin eoil (Ypage 332).
8
Fue lLevel Low
The fuel level has dropped int oth ereserv erange.
XRefue lat th eneares tgas station .
CThere is only aver ysmall amount of fuel in th efuel tank.
XRefue lat th eneares tgas station without fail .
8
Gas Cap Loose
The fuel filler cap is notclosed correctl yor th efuel system is leaking .
XCheckthat th efuel filler cap is correctl yclosed .
If th efuel filler cap is not correctl yclosed :
XCloseth efuel filler cap .
If th efuel filler cap is correctl yclosed :
XVisitaqualified specialist workshop .
Display messages271
On-board computer and displays
Z