2017 MERCEDES-BENZ SLC-Class check engine

Under the following circumstances, the rear
view camera will not function, or will function in
alimited manner:
Rif the trunk lid is open
Rin heavy rain, snow or fog
Rat night or in very dark places
Rif the camera is exposed to very bright light
Rif the area is lit by fluorescent bulbsorL ED
lighting (the displaym ay flicker)
Rif there isasudden change in temperature,
e.g. when driving into aheated garage in win-
ter
Rif the camera lens is dirty or obstructed
Observe the notes on cleaning
(
Ypage 240)
Rif the rear of your vehicle is damaged. In this
event, have the camera position and setting
checked at aqualified specialist workshop
The field of vision and other functions of the rear
view camera may be restricted due to additional
accessories on the rear of the vehicle (e.g.
license plate holder, bicycle rack).
For technical reasons, leaving the standard
height can result in inaccuracies in the guide
lines on vehicles with aheight-adjustable chas-
sis.
iThe rear view camera is protected from rain-
drops and dust by means of aflap. When the
rear view camera is activated, this flap opens.
The flap closes againw hen:
Ryou have finished the maneuvering process
Ryou switch off the engine
Ryou open the trunk
Observe the notes on cleaning (
Ypage 240).
For technical reasons, the flap may remain
open briefly after the rear view camera has
been deactivated.
Activating/deactivating the rear view camera
XTo activate: make sure that the SmartKey is
in position 2in the ignition lock.
XMake sure that the Activation byRgearfunction is selected in the multimedia system;
see the Digital Operator's Manual.
XEngage reverse gear.
The rear view camera flap opens. The multi-
media system shows the area behind the vehi-
cle with guide lines. The image from the rear view camera is avail-
able throughout the maneuvering process.
To deactivate: the rear view camera deacti-
vates if you shift the transmission to Por after
driving forwards ashort distance.
Displays in the multimedia system
The rear view camera may show adistorted view
of obstacles, show them incorrectly or not at all.
The rear view camera does not show objects in
the following positions:
Rvery close to the rear bumper
Runder the rear bumper
Rin close range above the handle on the trunk
lid
!Objects not at ground level may appeart o
be further awayt han they actually are, e.g.:
Rthe bumper ofaparked vehicle
Rthe drawbarofat railer
Rthe ball coupling of atrailer tow hitch
Rthe rear section of an HGV
Ras lanted post
Use the guidelines only for orientation.
Approach objects no further than the bottom-
most guideline.
:Yellowg uide line at adistance of approx-
imately 13 ft (4.0 m) from the rear of the
vehicle
;White guide line without turning the steering
wheel, vehicle width including the exterior
mirrors (static)
=Yellowg uide line for the vehicle width
including the exterior mirrors, for current
steering wheel angle (dynamic)
?Yellowl ane marking tires at current steering
wheel angle (dynamic)
Driving systems155
Driving and parking
Z

Important safety notes
GWARNING
If you operate information systems and com-
munication equipmen tintegrate dinthevehi-
cle while driving ,you will be distracte dfrom
traffic conditions. You could also lose control
of th evehicle. Ther eisariskofana ccident.
Only operate th eequipmen twhen th etraffic
situation permits. If you are no tsuret hatthis
is possible ,park th evehicl epayin gattention
to traffic condition sand operate th eequip-
men twhen th evehicl eiss tationary.
You must observ ethe legal requirements for th e
country in whic hyou are currentl ydriving when
operating th eon-bo ard computer.
GWARNIN G
If th einstrumen tcluste rhas faile dormal-
functioned, you may no trecognize function
restriction sinsystems relevan ttosafety. The
operating safet yofyour vehicl emay be
impaired .Ther eisar iskofana ccident.
Drive on carefully. Hav ethe vehicl echecked
at aq ualified specialist workshop immedi-
ately.
The on-board computer only shows message sor
warning sfromc ertai nsystems in th emultifunc-
tion display. You should therefor emakes ure
your vehicl eisoperating safely at all times .
If th eoperating safet yofyour vehicl eis
impaired ,pull ove rassoonasitiss afetodos o.
Contac taqualified specialist workshop.
Fo rano verview, see th einstrumen tpanel illus-
tration (
Ypage 31).
Display sand operation
Instrumen tcluster lighting
The lighting in th einstrumen tcluster, in th edis-
plays and th econtrols in thevehicl einterior can
be adjusted usin gthe brightness control knob.
The brightness control knob is locate donthe
botto mleftoft heinstrumen tcluste r
(
Ypage 31).
XTurn th ebrightness control knob clockwise or
counter-clockwise.
If you tur nthe ligh tswitch (
Ypage 93 )tot he
Ã, TorL position ,the brightness
will depend upon th ebrightness of th eambi -
en tlight.
The ligh tsensor in th einstrumen tcluste r
automatically control sthe brightness of th e
multifunction display. In daylight, th edisplays
in th einstrumen tcluste rare no tilluminated.
Speedometer with segments
The segments in th espeedometer indicat e
whic hspee drange is available.
RCruis econtro lactivated (Ypage 138):
The segments ligh tupfromt hestore dspee d
to th emaximum speed.
RDistanc ePilot DISTRONI Cisactivated
(Ypage 140):
On eort wo segments in th eset spee drange
ligh tup.
RDistanc ePilot DISTRONI Cdetects avehicl ein
fron tmoving mor eslowly than th estored
speed:
The segments between th espee doft hevehi-
cle in fron tand th estoreds pee dligh tup.
Tachometer
!
Do no tdriveint heoverrevving range, as this
could damag ethe engine.
The red ban dinthetachometer indicates th e
engine's overrevving range.
The fuel suppl yisinterrupted to protect th e
engin ewhen th ered ban disreached.
Outsidet emperatur edisplay
You should pay special attention to road condi-
tion swhen temperatures are aroun dfreezing
point.
Bea rinm indt hatthe outside temperature dis-
play indicates th etem perature measured and
does no trecord th eroad temperature.
The outside temperature display is in th emulti-
function display (
Ypage 165).
Ac hang eint heoutside temperature is shown in
th em ultifunction display after adelay.
Display sand operation163
On-boardc omputer and displays
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

Engine
Display messagesPossible causes/consequences andMSolutions
?
CheckCoolantLevelSee Operator'sMan‐ual
The coolant levelistoolow.
!Avoid making longj ourneys with to olittle coolant in th eengine
cooling system. The engine will otherwise be damaged.
XAdd coolant ,observing th ewarning note sbefore doings o
(Ypage 233).
XIf you nee dtoadd coolant mor eoften than usual, have th eengine
coolant system checked at aqualified specialist workshop.
?The fan motor is faulty.
XIf th ecoolant temperatur egauge is below the Hmarking
(Ypage 164), driv eontothenex tqualified specialist workshop.
XAvoid heavyl oads on theengine as you do so, e.g .driving in moun-
tainous terrain and stop-and-go traffic.
?
CoolantT oo HotStopVehicleT urnEngine Off
The coolant is to ohot.
Aw arning tone also sounds.
GWARNING
Do no tdrivew hen your engine is overheated. This can caus esome
fluids whichm ay have leaked int othe engine compartmen ttocatch
fire.
Steam from th eoverheate dengine can also caus eserious burn swhich
can occur jus tbyopening th ehood.
Thereisar isk of injury.
XPull overand stop th evehicle safely and switch off th eengine ,pay-
ing attention to road and traffic conditions.
XSecure th evehicle against rolling away (Ypage 131).
XLeavet hevehicle and keep asafe distanc efromt hevehicle until the
engine has cooled down.
XMakes ure that th eair supply to th eengine radiator is no tblocked,
e.g .bys now, slush or ice.
XDo no tstart th eengine again until th edisplay message goes out and
th ec oolant temperatur egauge is below the Hmarking
(
Ypage 164). Otherwise, th eengine coul dbedamaged.
XPay attention to th ecoolant temperatur egauge, observing the
warning note s(Ypage 233).
XIf thetem peratur eincreases again,v isitaq ualified specialist work-
shop immediately.
Under normal operatin gconditionsa nd at thecorrec tcoolant level,
th ec oolant temperatur egauge may rise to the Hmarking
(
Ypage 164).
190Displa ymessages
On-boardc omputer and displays

Display messagesPossible causes/consequences andMSolutions
#
See Operator'sMan‐ual
The battery is no tbein gcharged.
Aw arning tone also sounds.
Possibl ecauses are:
Rafault yalternato r
Ratornp oly-V-belt
Ram alfunction in th eelectronics
!Do no tcontinue driving. 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 ethe vehicl eagainst rollin gaway (Ypage 131).
XConsult aqualified specialist workshop .
#
StopVehicl eSeeOperator' sManual
The battery is no longer bein gcharged and th econditi on of charg eis
to ol ow.
Aw arning tone also sounds.
XPull ove rand stop th evehicl esafely and switch off th eengine, pay-
ing attention to roa dand traffic conditions.
XSecur ethe vehicl eagainst rollin gaway (Ypage 131).
XObserv ethe instruction sinthedisplay message #See Oper‐ator's Manual.
XConsult aqualified specialist workshop .
4
CheckEngineOilAtNextRefueling
The engin eoil level has dropped to th eminimum level.
Aw arning tone also sounds.
!Avoid lon gjou rneys wit htoo littl eengineo il. The engin ewill oth-
erwise be damaged.
XChec kthe oil level when next refueling, at th elatest (Ypage 232).
XIf necessary, add engin eoil(Ypage 232).
XHav ethe engin echecked ataq ualified specialist workshop if you
need to add engin eoil mor eoften than usual.
Information on approve dengineo ils can be obtained from aqualified
specialist workshop or on th eInterne tath ttp:// bevo.mercedes -
benz.com.
4
Check Engine OilLevel (Ad d1quart)
Mercedes-Ben zSLC 43 AMG:
The engin eoil level is to olow.
!Avoid lon gjou rneys wit htoo littl eengineo il. The engin ewill oth-
erwise be damaged.
XChec kthe oil level when next refueling, at th elatest (Ypage 232).
XIf necessary, add engin eoil(Ypage 232).
XHav ethe engin echecked ataq ualified specialist workshop if you
need to add engin eoil mor eoften than usual.
Information on approve dengineo ils can be obtained from aqualified
specialist workshop or on th eInterne tath ttp:// bevo.mercedes -
benz.com.
Display messages19 1
On-boardc omputer andd isplays
Z

Display messagesPossible causes/consequences andMSolutions
4
Engine Oil LevelLow StopVehicl eTurnEngine Off
Mercedes-Ben zSLC 43 AMG:
The engin eoil level is to olow.
There is ariskofe ngined amage.
XPull ove rand stop th evehicl esafely and switch off th eengine, pay-
ing attention to roa dand traffic conditions.
XSecur ethe vehicl eagainst rollin gaway (Ypage 131).
XChec kthe engin eoil level (Ypage 232).
XIf necessary, add engin eoil(Ypage 232).
8
Fue lLevel Low
The fuel level has dropped int othe reserv erange.
XRefue lattheneares tgas station .
CThere is only averys mall amount of fuel in th efuel tank.
XRefue lattheneares tgas station without fail .
8
Close Gas Cap
The fuel filler cap is no tclosed correctl yorthefuel system is leaking .
XCheckthatthe fuel filler cap is correctl yclosed .
If th efuelfiller cap is not correctl yclosed :
XClosethe fuel filler cap .
If th efuelfiller cap is correctl yclosed :
XVisitaqualified specialist workshop .
Driving systems
Display messagesPossible causes/consequences and MSolutions
À
Attention Assist:TakeaB reak!
Based on certain criteria, ATTENTION ASSIST has detecte dfatigue or
al ack of concentration on th epart of th edriver .Aw arning tone also
sounds.
XIf necessary, tak eabreak.
During lon gjou rneys, tak eregular breaks in goo dtimesoy ou get
enough rest.
À
Attention AssistInoperative
ATTENTION ASSIST is inoperative.
XVisit aqualified specialist workshop .
ë
Off
The HOLD function is deactivated. th evehicl eiss kidding.
Aw arning tone also sounds.
XReactivat ethe HOLD function later (Ypage 148).
192Display messages
On-boardcomputer andd isplays

Display messagesPossible causes/consequences andMSolutions
K
Open/CloseVario-RoofCompletel y
The roofisnotlocked.
XPull ove rand stop th evehicl esafely as soo naspossible, payin g
attention to roa dand traffic conditions.
XPush or pull and hold th eroofswitch until th eroofisf ullyo pen or
closed (Ypage 76) .
K
Start Engine SeeOperator' sManual
The on-boar dvoltag eistoolow.
XStart th eengine.
XAfte rapproximately te nseconds, repeat th eopening or closin g
procedure (Ypage 76).
The roofhas been opened and closed several times in arow .The roo f
drive has been switched off automatically for safet yreasons.
You can open and close th eroofa gain after approximately te n
minutes.
XSwitc hoff th eignition and tur nitbacko n.
XRepeat th eopening or closin gprocedure (Ypage 76).
CloseRearSideWin‐dowsYou leav ethe vehicl eand at least on erear side window is open .
XClosethe side windows (Ypage 73).
¥
Check Washer Fluid
The washer flui dlevel in th ewasher flui dreservoir has dropped belo w
th em inimum .
XAddw asher flui d(Ypage 234).
Wiper Malfunction‐ingThe windshield wiper sare malfunctioning .
XVisitaqualified specialist workshop .
Hazard WarningFlashers Malfunc‐tioning
The hazard warning lamp sare faulty.
XVisit aqualified specialist workshop .
SmartKey
Display messagesPossible causes/consequences and MSolutions
Â
KeyDoesNotBelongto Vehicl e
You haveput th ewrong SmartKey in th eignition lock.
XUse th ecorrect SmartKey.
Â
TakeYourK ey fro mIgnition
The SmartKey is in th eignition lock.
XRemove th eSmartKey.
Â
Obtain aNew Key
The SmartKey needs to be replaced.
XVisit aqualified specialist workshop .
Display messages201
On-boardc omputer andd isplays
Z

Warning/
indicator
lampNSignal type
Possiblec auses/consequences and M
Solutions
åNThe yellow ESP®OFF warning lamp is lit while the engine is running or the ECO
start/stop function is activated.
ESP
®is deactivated.
GWARNING
If ESP
®is switched off, ESP®is unable to stabilize the vehicle.
Further driving systems or driving safety systems are thus restricted.
There is an increased risk of skidding and an accident.
XReactivate ESP®.
In rare cases (
Ypag e60) it may be best to deactivate ESP®.
Observe the important safety notes on ESP®(Ypag e58).
XAdapt you rdriving style to sui tthe road and weather conditions.
If ESP
®cannot be activated:
XDrive on carefully.
XHave ESP®checked at aqualified specialist workshop.
MNMercedes-Benz SLC 43 AMG only:
The yellow SPORT handling mode warning lamp is lit while the engine is running.
SPORT handling mode is activated.
GWARNING
When SPORT handling mode is switched on, ESP
®is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
XOnly switch to SPORT handling mode in accordance with the conditions descri-
bed in the "Activating/deactivating ESP" section (Ypag e60).
F!NF (USA only), !(Canada only): the red indicator lamp for the electric
parking brake flashes or is lit and/or the yellow warning lamp for the electric
parking brake is lit.
XObserve the additiona ldisplay messages in the multifunction display.
6N The red restraint system warning lamp is lit while the engine is running.
The restraint system is malfunctioning.
GWARNING
The air bag sorEmergency Tensioning Devices may either be triggere duninten-
tionally or, in the event of an accident, may not be triggered.
There is an increased risk of injury.
XObserve the additiona ldisplay messages in the multifunction display.
XDrive on carefully.
XContact aqualified specialist worksho pand have the restraint system checked.
For further information about the restraint system, see (
Ypag e37).
206Warning and indicator lamps
On-board computer and displays