2017 MERCEDES-BENZ SLC-Class light

Display messagesPossible causes/consequences andMSolutions
T!
÷
Inoperative SeeOperator'sManual
EBD( electronic brak eforce distribution), AB Sand ES P®are malfunc -
tioning .
Other drivin gsystems and drivin gsafet ysystems may also malfunc -
tion .
In addition ,the ÷, åand! warning lamp sligh tupint he
instrumen tcluste rand aw arning tone sounds.
GWARNIN G
The brak esystem continues to function normally, but without th e
function slisted above. The fron tand rear wheels could therefor eloc k
if you brak ehard, for example.
The steerabilit yand braking characteristics may be severely affected.
The braking distanc einanemergenc ybraking situation can increase.
If ES P
®is no toperational, ES P®is unable to stabiliz ethe vehicle.
There is an increased ris kofskiddin gand an accident.
XDrive on carefully.
XVisit aqualified specialist workshop immediately.
F(USA
only)
!(C anada
only)
Tur nOnt he Igni‐
tiontoReleas etheParkingBrake
The red F(USAonly) or ! (Canada only) indicator lamp lights
up.
You attempte dtorelease th eelectric parking brak ewhile th eignition
was switched off .
XSmartKey:tur nthe SmartKey to position 1in th eignition lock.
XKEYLESS-GO: switch on theignition .
F(USA
only)
!(C anada
only)
Please
Releas ePark‐ing Brake
The red F(USAonly) or ! (Canada only) indicator lamp flashes
and awarning tone sounds. Aconditi on for automatic release of th e
electric parking brak eisnotfulfilled (
Ypage 132).
You are drivin gwitht he electric parking brak eapplied.
XReleas ethe electric parking brak emanually.
The red F(USAonly) or ! (Canada only) indicator lamp flashes
and awarning tone sounds.
You are usin gthe electric parking brak efor emergenc ybraking
(
Ypage 132).
F(USA
only)
!(C anada
only)
Parkin gBrake See
Operator' sManual
The yellow !warning lamp lights up.
The electric parking brak eismalfunctioning .
To apply :
XSwitchthe ignition off .
XPress theelectric parking brak ehandle for at least te nseconds.
XShift th etransmission to position P.
XConsultaqualified specialist workshop .
Display messages181
On-boardc omputer andd isplays
Z

Display messagesPossible causes/consequences andMSolutions
The yellow!warning lamp and th ered F (USAonly) or !
(Canada only) indicator lamp ligh tup.
The electric parking brak eismalfunctioning .
To release:
XSwitc hoff th eignition and tur nitbacko n.
XReleas ethe electric parking brak emanually.
or
XReleas ethe electric parking brak eautomatically (Ypage 132).
If th eelectric parking brak estill canno tbereleased:
XDo no tdrive on .
XConsult aqualified specialist workshop .
The redF(USAonly) or ! (Canada only) indicator lamp flashes
and th eyellow !warning lamp lights up.
The electric parking brak eismalfunctioning .
To release:
XSwitc hoff th eignition and tur nitbacko n.
XReleas ethe electric parking brak emanually.
To apply :
XSwitchoff th eignition and tur nitbacko n.
XApply th eelectric parking brak emanually.
If th ered F (USAonly) or ! (Canada only) indicator lamp con-
tinue stof lash:
XDo no tdrive on .
XSecurethe vehicl eagainst rollin gaway (Ypage 275).
XShift th etransmission to position P.
XTurn thefront wheels toward sthe curb.
XConsult aqualified specialist workshop .
182Display messages
On-boardcomputer andd isplays

Display messagesPossible causes/consequences andMSolutions
The yellow!warning lamp lights up. The red F(USAonly)
or ! (Canada only) indicator lamp flashes for about te nseconds
after th eelectric parking brak ehas been applie dorreleased. It then
goe sout or remain slit.
The electric parking brak eismalfunctioning .
XSwitchoff th eignition and tur nitbacko n.
XApply th eelectric parking brake.
If it is no tpossibl etoengage th eelectric parking brake:
XShift th etransmission to position P.
XVisitaqualified specialist workshop .
If it is no tpossibl etorelease th eelectric parking brake:
XReleas ethe electric parking brak eautomatically (Ypage 132).
If th eelectric parking brak estill canno tbereleased:
XConsult aqualified specialist workshop .
The yellow!warning lamp lights up. If you manually apply or
release th eelectric parking brake, th ered F (USAonly) or !
(Canada only) indicator lamp flashes .
The electric parking brak eismalfunctioning .Itisnotpossibl etoapply
th ee lectric parking brak emanually.
XShift th eselector lever to P,astheelectric parking brak eisnot
applie dautomatically.
XVisit aqualified specialist workshop .
F(USA
only)
!(C anada
only)
Parkin gBrake Inop‐
erativ e
The yellow !warning lamp lights up. The red F(USAonly)
or ! (Canada only) indicator lamp flashes for about te nseconds
after th eelectric parking brak ehas been applie dorreleased. It then
goe sout or remain slit.
The electric parking brak eismalfunctioning ,e.g.b ecause of over-
voltag eorundervoltage.
XRemove th ecaus efor th eovervoltage or undervoltage, e.g. by
charging th ebattery or restarting th eengine.
XEngage or release th eelectric parking brake.
If it remain simpossible to apply or release th eelectric parking brake:
XSwitc hoff th eignition and tur nitbacko n.
XEngage or release th eelectric parking brake.
If th eelectric parking brak estill canno tbereleased:
XConsult aqualified specialist workshop .
If th eelectric parking brak estill canno tbeapplied:
XVisitaqualified specialist workshop .
Display messages183
On-boardc omputer andd isplays
Z

Display messagesPossible causes/consequences andMSolutions
The yellow!warning lamp lights up and th ered F (USAonly)
or ! (Canada only) indicator lamp flashes .
It is no tpossibl etoapply th eelectric parking brak emanually.
XShift th etransmission to position P.
XVisitaqualified specialist workshop .
$(USA
only)
J(C anada
only)
Check Brake Fluid
Level
There is no tenough brak efluid in th ebrak efluid reservoir .
In addition ,the $ (USAonly) or J (Canada only) warning lamp
lights up in th einstrumen tcluste rand aw arning tone sounds.
GWARNIN G
The braking effec tmay be impaired.
There is ariskofana ccident.
XPull overand stop th evehicl esafely as soo naspossible, payin g
attention to roa dand traffic conditions. Do no tcontinue driving
under any circumstances.
XSecur ethe vehicl eagainst rollin gaway (Ypage 131).
XConsult aqualified specialist workshop .
XDo notadd brak efluid .This does no tcorrect them alfunction .
#
CheckBrakePadWear
The brak epads/linings hav ereached their wear limit.
XVisit aqualified specialist workshop .
G
Inoperative
Oneorm orem ain features of th embrace system are malfunctioning .
XHavethe mbrace system checke dataqualified specialist work-
shop.
PRE-SAFE Inopera‐tiv eSeeOperator' sManual
Importantfunction sofPRE-SAF E®havefailed. Al lother occupant
safet ysystems ,e.g.a ir bags ,remain available.
XVisit aqualified specialist workshop immediately.
ActiveBrakeAssistFunctionsCurrentlyLimite dSee Opera‐tor's Manual
Active Brake Assis tistemporarily inoperative.
Possibl ecauses are:
Rther adar sensor system is temporarily inoperative, e.g. due to elec -
tromagneti cradiation emitted by nearby TV or radi ostation sor
other source sofelectromagneti cradiation
Rthes ystem is outside th eoperating temperature range
Rtheo n-bo ardv oltag eistoolow.
Whe nthe causes state dabov enol onger apply, th edisplay message
disappears.
Active Brake Assis tisoperational again .
If th edisplay message does no tdisappear :
XPull overand stop th evehicl esafely as soo naspossible, payin g
attention to roa dand traffic conditions.
XSecur ethe vehicl eagainst rollin gaway (Ypage 131).
XRestart th eengine.
184Display messages
On-boardc omputer andd isplays

Display messagesPossible causes/consequences andMSolutions
ActiveBrakeAssistFunctions LimitedSee Operator'sMan‐ual
Active Brake Assis tisunavailable due to amalfunction .
XVisitaqualified specialist workshop .
RadarSensorsDirtySee Operator' sMan‐ual
The radar sensor system is malfunctioning .
Possibl ecauses are:
RDirt on sensor s
RHeavy rain or snow
RWhendrivin goni nter-urban roads without traffic or infrastructure,
e.g. in desert-like area s
At least on edrivin gsystem or drivin gsafet ysystem is malfunctioning
or is temporarily unavailable :
RActive Brake Assist
RDistancePilotD ISTR ONIC
Once th ecaus eoft heproblem is no longer present, th edrivin gand
drive safet ysystems will be available again .The display message dis-
appears.
If th edisplay message does no tdisappear :
XPull overand stop th evehicl esafely as soo naspossible, payin g
attention to roa dand traffic conditions.
XSecur ethe vehicl eagainst rollin gaway (Ypage 131).
XSwitc hoff th eengine.
XClean all sensor s(Ypage 240).
XRestart theengine.
The display message disappears.
6
SRSMalfunctionSer ‐viceRequired
The restrain tsystem is malfunctioning .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 tbetriggered .
There is an increased ris kofinjury.
XVisit aqualified specialist workshop immediately.
Fo rfurther information about th erestrain tsystem, see (
Ypage 37).
6
Front Lef tMalfunc‐tionServic eRequiredorFr ontRight MalfunctionServic eRequired
The restrain tsystem has malfunctioned at th efront on th eleftorr ight.
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 tbetriggered .
There is an increased ris kofinjury.
XVisit aqualified specialist workshop immediately.
Display messages185
On-boardc omputer andd isplays
Z

Display messagesPossible causes/consequences andMSolutions
6
LeftSideC urtai nAirbag MalfunctionServic eRequiredorRi ghtSid eCurtai nAirbagMalfunctionServiceRequired
There is amalfunction in th eleft-han dand/o rright-hand head bag.
The 6 warning lamp also lights up in th einstrumen tcluster.
GWARNIN G
The lef torright head bag may either be triggered unintentionally or, in
th ee vent of an accident, may no tbetriggered .
There is an increased ris kofinjury.
XVisit aqualified specialist workshop immediately.
186Display messages
On-boardc omputer andd isplays

Display messagesPossible causes/consequences andMSolutions
lamp remainslit or goe sout depend sonhow OCS classifies th eoccu-
pant.
If th econditi onsa re no tfulfilled ,the system is no toperating correctly.
XVisit aqualified specialist workshop immediately.
Observ ethe additional information on OCS (
Ypage 45).
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 dtoreplace th ebulb yourself
(Ypage 97).
LE Dl igh tsources: th edisplay message for th ecorre spondin glamp
only appear swhen all th eLEDsint helamp hav efailed.
b
Active HeadlampsInoperative
The active ligh tfunction is faulty.
XVisit aqualified specialist workshop .
b
Malfunction SeeOperator'sManual
The exterio rlighting is malfunctioning .
XVisitaqualified specialist workshop .
b
AutoLampF unctionInoperative
The ligh tsensor is defective.
XVisit aqualified specialist workshop .
b
Switch Off Lights
The lights are still switched on when you leav ethe vehicle. Awarning
tone also sounds.
XTurn th eligh tswitch to position Ã.
Adaptive HighbeamAssist CurrentlyUnavailable SeeOperator'sManual
Adaptive Highbea mAssistisd eactivated and temporarily inoperative.
Possibl ecauses are:
Rthew indshield in th ecamera' sfield of vision is dirty
Rvisibilit yisimpaire ddue to heav yrain ,sno worf og
XClean th ewindshield.
If th esystem detects that th ecamera is full yoperational again ,the
Adaptive
HighbeamAssistNowAvailablemessage is displayed.
Adaptive Highbea mAssistiso perational again .
Adaptive HighbeamAssist InoperativeAdaptive Highbea mAssistisf aulty.
XVisit aqualified specialist workshop .
Display messages189
On-boardc omputer andd isplays
Z

and warning lamps only indicateamalfunctio niftheylight up or flas hafter starting th eengine or
whilst driving.
Safety
Seat belts
Warning/
indicator
lampNSignalt ype
Possible causes/consequences and M
Solutions
üNAfte rstarting th eengine ,the red seat belt warning lamp lightsupf or6s econds.
The seat belt warning lamp remind sthe driver and frontp assenger to fasten their
seat belts.
XFaste nyour seat belt (Ypage 40).
üNAfte rstarting th eengine ,the red seat belt warning lamp lightsu p. In addition,a
warning tone sounds for up to 6seconds.
The driver'ss eat belt is notfastened.
XFaste nyour seat belt (Ypage 40).
The warning tone ceases.
üN The red seat belt warning lamp lightsupa fter theengine starts, as soon as the
driver'sort hefront-passenger door is closed.
The driver or frontp assenger has notfastene dtheir seat belt.
XFaste nyour seat belt (Ypage 40).
The warning lamp goes out.
Therea re object sonthefront-passenger seat.
XRemovet heobject sfromt hefront-passenger seat and stow them in asecure
place.
The warning lamp goes out.
üN The red seat belt warning lamp flashes and an intermittent audible warning
sounds.
The driver or frontp assenger has notfastene dtheir seat belt.T he 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 40).
The warning lamp goes out and the intermitten twarning tone ceases.
There are object sonthe front-passenger seat. The vehicle is being driven faster
than 15 mph (2 5km/ h)or has briefly been driven faster than 15 mph (2 5km/ h).
XRemove th eobjects from th efront-pa ssenger seat and stow them in asecure
place.
The warning lamp goes out and th eintermittent warning tone ceases .
Warning and indicator lamps203
On-boardcomputer and displays
Z