2017 MERCEDES-BENZ SLC-Class warning light

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

Engine
Warning/
indicator
lampNSignaltype
Possible causes/consequences and M
Solutions
;NThe yellow CheckE nginew arning lamp lightsupw hile theengine is running.
Therem ay beamalfunction, for example:
Rin th eengine management
Rin th efuel injection system
Rin th eexhaust system
Rin th eignition system
Rin th efuel system
The emission limit values may be exceeded and th eengine may be in emergency
mode.
XVisitaq ualified specialist workshop immediately.
In somes tates, you must immediately visi taqualified specialist workshop as soon
as th eyellow CheckE nginew arning lamp lightsu p. This is due to thelegal require-
ments in effect in these states. If in doubt,c heck whether suchl egal regulations
apply in th estate in whichy ou are currently driving.
8NThe yellow reservef uel warning lamp lightsupw hile theengine is running.
The fuel leve lhas dropped int othe reserver ange.
XRefuel at th enearest gas station.
8NThe yellow reservef uel warning lamp flashes while th evehicle is in motion.
In addition,t he; CheckE nginew arning lamp may light up.
The fuel fille rcap is no tclosed correctly or th efuel system is leaking.
XCheckt hatthe fuel fille rcap is correctly closed.
XIf th efuelfiller cap is not correctly closed: close thefuel fille rcap.
XIf th efuelfiller cap is closed: visitaq ualified specialist workshop.
?NThe red coolant warning lamp lightsupw hile theengine is runnin gand the
coolant temperatur egauge is at th estart of th escale.
The temperatur esensor for th ecoolant temperatur egauge is faulty.
The coolant temperatur eisnolonger beingm onitored. Thereisar isk of engine
damag eifthecoolant temperatur eistoohigh.
XPull ove rand stop th evehicle safely and switch off th eengine ,payinga ttention
to road and traffic conditions. Do no tcontinue driving unde rany circumstances.
XSecure th evehicle against rolling away (Ypage 131).
XConsult aqualified specialist workshop.
Warning and indicator lamps207
On-boardc omputer and displays
Z

Warning/
indicator
lampNSignal type
Possiblec auses/consequences and M
Solutions
XIf the coolant temperature gauge is below the Hmarking (Ypag e164) ,drive on
to the next qualified specialist workshop.
XAvoid heavy loads on the engine as you do so, e.g. driving in mountainous terrain
and stop-and-go traffic.
Driving systems
Warning/
indicator
lampNSignal type
Possiblec auses/consequences and M
Solutions
·NThe red distance warning lamp lights up while the vehicleisinm otion.Awarning
tone als osounds.
You are approaching avehicle, apedestrian or astationary obstacl einyourline of
travel at too high aspeed.
XBe prepared to brake immediately.
XPay carefu lattention to the traffic situation. You may have to brake or take
evasive action.
Further information on Distance Pilot DISTRONIC (
Ypag e140).
Further information on Active Brake Assist (
Ypag e56).
Warning and indicator lamps209
On-board computer and displays
Z

General notes
The multimedia system section in this manual
describes the basicprinciples for operation.
More information can be found in the Digital
Operator's Manual.
Important safety notes
GWARNING
If you operate information systems and com-
municatio nequipment integrated in the vehi-
cle whil edriving, you wil lbedistracted from
traffic conditions. You could also lose control
of the vehicle .There is arisk of an accident.
Only operate the equipment when the traffic
situation permits. If you are not sure that this
is possible, park the vehicle paying attention
to traffic conditions and operate the equip-
ment when the vehicle is stationary.
You must observe the legalr equirements for the
country in which you are currently driving when
operating the multimedia system.
The multimedia system calculates the route to
the destination withou ttaking the following into
account, for example:
Rtraffic lights
Rstop and yield signs
Rparking or stopping restrictions
Rroad narrowing
Rother road and traffic rule sand regulations
The multimedia system may give incorrect nav-
igation recommendations if the actual street/
traffic situation does not correspond with the
digital map's data.
For example:
Rad iverted route
Rthe road layout or the direction of aone-way
street has been changed
For this reason, you must alwayso bserve road
and traffic rule sand regulations during your
journey. Roa dand traffic rule sand regulations
alwaysh ave priority over multimedia system
driving recommendations.
Navigation announcements are intended to
direct you whil edriving withou tdiverting your
attention from the road and driving. Please alwaysu
se this feature instead of con-
sulting the map display for directions. Looking
at the icons or map display can distract you from
traffic conditions and driving, and increase the
risk of an accident.
This equipment complies with FCC radiation
exposure limits set forth for uncontrolled equip-
ment and meets the FCC radi ofrequency (RF)
Exposure Guidelines in Supplement CtoOET65.
This equipment has very low levelsofRFe nergy
that is deemedtoc omply withoutmaximum
permissive exposure evaluation (MPE). How-
ever, it is recommended to insta
ll it at
adistance
of at least 8inches (approx. 20 cm) betwee nthe
radiation source and aperson's body (not
including limbss uch as hands, wrists, feet and
legs).
GWARNING
Modifications to electronic components, their software as wel laswiring can impair their
function and/or the function of other net-
worked components. In particular, systems
relevant to safety could also be affected. As a
result, these may no longer function as inten-
ded and/or jeopardize the operating safety of
the vehicle .There is an increase drisk of an
accident and injury.
Never tamper with the wiring as wel laselec-
tronic components or their software .You
shoul dhave all work to electricala nd elec-
tronic equipment carried out at aqualified
specialist workshop.
If you make any changes to the vehicle elec-
tronics, the general operating permit is ren-
dered invalid.
Function restrictions
For safety reasons, some functions are restric-
ted or unavailable whil ethe vehicle is in motion.
You wil lnotice this, for example, because either
you wil lnot be abl etoselect certain menu items
or am essag ewillappear to this effect.
Function restrictions211
Multimedia system
Z

XTo turn over:lift reversible floor panel ;
using tab :.
XTurn overand then re-inser treversible floor
panel ;.
Twoflexible straps ;are attachedtot he rever-
sibl efloor panel ,use thes etos ecure objects,
such as wind screen =,whenr eversibl efloor
panel :hasb eent urne dover.
Roo fcarrier
!
Thi svehicl eisn ot designed to transport
items on the roof. Roof carriers and other
device swhich are mounted on the roo fthat
have not been specifically approved for this
model by Mercedes-Benz must not be used as
they could damag ethe vehicl eand the
retractable hardto p(vario-roof).
At the time of going to print, Mercedes-Benz
does not offe rany roo fcarrie roro therroof-
installe ddevice sfor thism odel.
!Thisvehicl eisn ot designed to transport any
items on the trunk li dortoallowluggage car-
riers or equipment of any kind to be installed
to the trunk lid. Otherwise the vehicl eand the
retractable hardto pcould be damaged.
Features
Cup holder
Important safety notes
GWARNING
If objects in the passenger compartment are
stowed incorrectly ,they can slid eorbe
thrown around and hitv ehicleoccupants. In
addition, cupholders, open stowag espaces
and mobil ephone brackets canno talway s
retain al lobjects they contain. There is arisk
of injury,p articularly in the event of sudden
braking or asudde nchange in direction.
RAlway sstow objects so thatt hey cannotbe
thrown around in such situations.
RAlway smakes uret hato bjects do not pro-
trud efrom stowag espaces, parcel nets or
stowag enets.
RClose the lockable stowag espaces before
starting ajourney.
RAlway sstow and secure heavy,h ard, poin-
ted,s harp-edged ,fragile or bulky objects in
the trunk.
!Onlyu sethe cup holders for containers of
the right size and which have lids. The drinks
could otherwise spill.
!Do not expose drinks bottle sinthe cup
holde rinthe cente rconsole to continuous,
strong and direct sunlight. The passenger
compartment in the are aofthe cente rcon-
sol ec an otherwise be damaged by the con-
centrated and reflecte dsunlight.
Cup holder in the centerc onsole
Features219
Stowageand featur es
Z