engine MERCEDES-BENZ CLA COUPE 2018 Owners Manual
[x] Cancel search | Manufacturer: MERCEDES-BENZ, Model Year: 2018, Model line: CLA COUPE, Model: MERCEDES-BENZ CLA COUPE 2018Pages: 326, PDF Size: 5.59 MB
Page 199 of 326
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 B.
XVisitaqualified specialist workshop .
$(USAonly)
J(Canada only)
Check Brake Fluid
Level
There is no tenough brak efluidint hebrak efluid reservoir .
Aw arning tone sounds. The $(USAonly) or J (Canada only)
warning lamp sintheinstrumen tcluste rmay also ligh tup.
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 141).
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 .
XVisitaqualified specialist workshop .
ActiveBrakeAssistFunctionsCurrentlyLimitedSee Opera‐tor's Manual
Active Brake Assis tistemporarily inoperative.
Possibl ecauses are:
RThe radar sensor system is temporarily inoperative, e.g. due to
electromagneti cradiation emitted by nearby TV or radi ostation sor
other source sofelectromagneti cradiation .
RThe system is outside th eoperating temperature range.
RThe on-boar dvoltag 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 141).
XRestart th eengine.
Active BrakeAssist :SystemInop‐erative
Active Brake Assis tisunavailable due to amalfunction .Situation -
dependen tbraking assistanc emay also hav efailed.
XVisit aqualified specialist workshop immediately.
Display messages197
On-boardc omputer andd isplays
Z
Page 200 of 326
Display messagesPossible causes/consequences andMSolutions
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
Aw arning tone also sounds.
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 141).
XSwitc hoff th eengine.
XClean all sensor s(Ypage 265).
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 40).
6
Front Lef tMalfunc‐tionServic eRequiredorFrontRight MalfunctionServic eRequired
The restrain tsystem is malfunctioning 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.
198Display messages
On-boardc omputer andd isplays
Page 207 of 326
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 260).
If you have to ad dcoolan tfrequently:
XContac taqualified specialist workshop and have th eengine cooling
system checked.
?The fan motor is malfunctioning.
XAt coolant temperatures below 24 8‡(120 †), drive to the nearest
qualified specialist workshop.
XAvoid heavy loads on the engine as you do so, e.g. driving in moun-
tainou sterrai nand stop-and-go traffic.
?
CoolantT oo HotStop VehicleT urnEngine Off
The coolant is too hot.
Awarning tone also sounds.
GWARNING
Do not drive whe nyoure ngine is overheated. This can cause some
fluids which may have leaked into the engine compartment to catch
fire.
Steam from the overheated engine can also cause serious burns which
can occur just by opening the hood.
There is arisk of injury.
XPul lover and stop the vehicle safely and switch off the engine, pay-
ing attention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypag e141).
XWai tuntil the engine has cooledd own.
XMake sure that the airsupply to the engine radiator is not blocked,
e.g. by snow, slush or ice.
XDo not start the engine again until the displaym essage goes out and
the coolant temperature is below 248 ‡(120 †). Otherwise, the
engine coul dbedamaged.
XPay attention to the coolant temperature gauge.
If the temperature increase sagain:
XVisitaq ualified specialist workshop immediately.
Under normal operating conditions and with the specified coolant
level, the coolant temperature may rise to 248 ‡(120 †).
Display messages205
On-board computer and displays
Z
Page 208 of 326
Display messagesPossible causes/consequences andMSolutions
#
See Operator'sMan‐ual
The battery is no tbein gcharged.
Aw arning tone also sounds.
Possibl ecauses are:
Rad efective alternato 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 141).
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 141).
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 258).
XIf necessary, add engin eoil(Ypage 259).
If th eengin eoil need stoppin gupm oreo ften:
XContac taqualified specialist workshop and hav ethe engin e
checked.
Information on approve dengineo ils can be obtained from any quali-
fie ds pecialist workshop or on th eInterne tath ttp:// bevo.mercedes -
benz.com.
æ
Fue lLevel Low
The fuel level has dropped int othe reserv erange.
XRefue lattheneares tgas station .
206Display messages
On-boardc omputer andd isplays
Page 210 of 326
Display messagesPossible causes/consequences andMSolutions
LaneKeepin gAssistCurrently Unavaila‐ble See Operator' sManual
LaneKeepin gAssistisd eactivated and temporarily inoperative.
Possibl ecauses are:
RThe windshield in th ecamera' sfield of vision is dirty.
RVisibilit yisimpaire ddue to heav yrain ,sno worf og.
RThere hav ebeen no lan emarking sfor an extended period
RThe lan emarking sare wor naway, dark or covered up, e.g. by dir tor
snow
Whe nthe causes state dabov enol onger apply, th edisplay message
disappears.
Lan eKeepin gAssistiso perational 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 141).
XClean th ewindshield.
Lan eKeepin gAssistInoperativeLaneKeepin gAssistisf aulty.
XVisit aqualified specialist workshop .
Blind SpotAssistCurrently Unavaila‐ble See Operator' sManual
Blind Spot Assististemporarily inoperative.
Possibl ecauses are:
RThe radar sensor system is temporarily inoperative, e.g. due to
electromagneti cradiation emitted by nearby TV or radi ostation sor
other source sofelectromagneti cradiation .
RThe radar sensor system is outside th eoperating temperature
range.
The yellow 9indicator lamp salso ligh tupint heexterio rmirrors.
Whe nthe causes state dabov enol onger apply, th edisplay message
disappears.
Blind Spot 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 141).
XRestart th eengine.
Blind Spo tAssistInoperativeBlind Spot Assis tisfaulty.
The yellow 9indicator lamp salso ligh tupint heexterio rmirrors.
XVisit aqualified specialist workshop .
ParkingPilot Can ‐celedThe driver's door is open and th edriver's seat belt has no tbeen fas -
tened.
XRepeat th eparking process wit hthe seat belt fastene dand th e
driver's door closed .
208Display messages
On-boardcomputer andd isplays
Page 211 of 326
Display messagesPossible causes/consequences andMSolutions
You haveinadvertentl ytou ched th emultifunction steering whee lwhile
steering intervention was active .
XWhilesteering intervention is active ,makes uret hatthe multifunc-
tion steering whee lisnottouched unintentionally.
The vehicl ehas started to skid and ES P®has intervened.
XUse Parking Pilotagain later (Ypage 164).
ParkingPilot Inop‐erativ eYou hav ejustc arrie doutalarg enumber of turnin gorparking maneu-
vers.
Parking Pilo twill become available again after approximately te n
minute s(
Ypage 164).
XPull ove rand stop th evehicl esafely as soo naspossible, payin g
attention to roa dand traffic conditions.
XSwitc hoff and restar tthe engine.
If th emultifunction display still shows th edisplay message :
XVisitaqualified specialist workshop .
Parking AssistPAR KTRONI Cismalfunctioning .
XVisitaqualified specialist workshop .
ParkingPilot Fin ‐ishedThe vehicl eisparked. Awarning tone also sounds.
The display message disappear sautomatically.
Distance Pilot OffDistanc ePilotD ISTR ONICisd eactivated (Ypage 155).
If it was no tdeactivated by th edriver ,aw arning tone also sounds.
Distance Pilot NowAvailableDistanc ePilotD ISTR ONICiso perational again after having been tem-
porarily unavailable .You can no wreactivat eDistance Pilot
DISTRONI C(
Ypage 152).
Distance Pilot Cur ‐rently UnavailableSee Operator'sMan‐ual
Distanc ePilotD ISTR ONICist emporarily inoperative.
Possibl ecauses are:
RThe radar sensor system is temporarily inoperative, e.g. due to
electromagneti cradiation emitted by nearby TV or radi ostation sor
other source sofelectromagneti cradiation .
RThe system is outside th eoperating temperature range.
RThe on-boar dvoltag eistoolow.
Aw arning tone also sounds.
Whe nthe causes state dabov enol onger apply, th edisplay message
disappears.
Distanc ePilotD ISTR ONICiso perational 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 141).
XRestart th eengine.
Display messages20 9
On-boardc omputer andd isplays
Z
Page 215 of 326
Display messagesPossible causes/consequences andMSolutions
TirePress.Sen‐sor(s) Missin gUSAo nly:
There is no signal from th etirep ressur esensor of on eorseveral tires .
The pressur eoftheaffecte dtired oes no tappear in th emultifunction
display.
XHav ethe fault ytirep ressur esensor replace dataqualified special -
ist workshop .
TirePressure Moni‐tor Inoperative NoWheel Sensor s
USAo nly:
The wheels mounte ddonothav eas uitable tire pressur esensor .The
tire pressur emonitor is deactivated.
XMoun twheels wit hsuitable tire pressur esensors.
The tire pressur emonitor is activated automatically after drivin gfor
af ew minutes.
Tir ePress.Monito rInoperativeUSAo nly:
The tire pressur emonitor is faulty.
XVisit aqualified specialist workshop .
Vehicle
Display messagesPossible causes/consequences and MSolutions
DepressBrake toStart EngineYou hav eattempte dtostart th eenginew itht he transmission in posi-
tion Nwithout depressing th ebrak epedal .
XDepress th ebrak epedal .
ToDeselect PorN,DepressBrake andStart Engine
You hav eattempte dtoshift th etransmission to position Ror Dwith-
out starting th eengine.
XStart th eengine.
XDepress th ebrak epedal .
iIt is only possibl etoshift th etransmission from position Pto th e
desire dposition if you depress th ebrak epedal .Onlyt henc an th e
parking loc kbedeactivated. If you do no tdepress th ebrak epedal ,
th eD IRECT SELECT lever can still be moved but th eparking loc k
remain sengaged.
iAt transmission fluid temperatures belo wÒ4‡ (Ò20 †) you can
only shift out of position Pint oa nother transmission position when
th ee ngineisr unning.
Apply Brake toShift fro m'P'You hav eattempte dtoshift th etransmission to position R,N or D
without depressing th ebrak epedal .
XDepress th ebrak epedal .
Display messages213
On-boardc omputer andd isplays
Z
Page 217 of 326
Display messagesPossible causes/consequences andMSolutions
StopVehicl eShifttoPLeave EngineRunnin g
The automatic transmission has overheated.
XDrive on carefully.
The automatic transmission is available again when th edisplay
message goe sout.
If th emultifunction display still shows th edisplay message :
XPull overand stop th evehicl esafely as soo naspossible, payin g
attention to roa dand traffic conditions.
XSecur ethe vehicl eagainst rollin gaway (Ypage 141).
XWait until th eautomatic transmission has cooled down and th edis-
play message has disappeared.
Auxiliary Batter yMalfunctionThe auxiliary battery for th eautomatic transmission is no longer bein g
charged.
XVisit aqualified specialist workshop .
XUntilthen, set th etransmission to position Pbefore you switch off
th ee ngine.
XBefor eleaving th evehicle, apply th eelectric parking brake.
Trans. Oil Overhea‐ted Drive on wit hCare
Mercedes-AMG vehicles: th etransmission oil has overheated.
Manual drive progra mM and th etem porarily active manual drive pro -
gra ma re no longer available. The engin epowe routput is reduced.
XAllow th evehicl etoc ooldown .
4matic CurrentlyUnavailable4MATIC has overheated. The vehicl eisonlyd riven by th efront wheels.
XDrive on .
The airflow cools 4MATIC mor equickly.
Whe nthe display message goe sout,4 MATIC is available again and
th ev ehicl eisd riven by all fou rwheels.
4matic Inoperative4MATIC is malfunctioning .The vehicl eisonlyd riven by th efront
wheels.
XVisit aqualified specialist workshop .
NThe trunk lid is open.
XClosethe trunk lid.
MThe hoo disopen.
Aw arning tone also sounds.
GWARNIN G
The open hoo dmay bloc kyour vie wwhen th evehicl eisinm otion.
There is ariskofana ccident.
XPull overand stop th evehicl esafely as soo naspossible, payin g
attention to roa dand traffic conditions.
XSecur ethe vehicl eagainst rollin gaway (Ypage 141).
XClosethe hood.
Display messages215
On-boardc omputer andd isplays
Z
Page 219 of 326
Display messagesPossible causes/consequences andMSolutions
Â
ObtainaNew Key
The SmartKey needs to be replaced.
XVisit aqualified specialist workshop .
Â
ReplaceKey Batter y
The SmartKey battery is discharged.
XChange thebattery (Ypage 73) .
Â
Don't Forget You rKey
The display message is shown for amaximum of 60 seconds and is
only areminder.
You hav eopened th edriver's door wit hthe engin eswitched off .The
SmartKey is no tintheignition lock. Awarning tone sounds.
XTakethe SmartKey wit hyou when you leav ethe vehicle.
Â
Key Not Detected(redd isplay message )
The SmartKey is no tinthevehicle.
Aw arning tone also sounds.
If th eengineiss witched off ,you can no longer loc kthe vehicl ecen-
trally or start th eengine.
XPull ove rand stop th evehicl esafely as soo naspossible, payin g
attention to roa dand traffic conditions.
XSecur ethe vehicl eagainst rollin gaway (Ypage 141).
XLocate th eSmartKey.
Becaus ethe re is interferenc efromas tron gs ource of radi owaves, th e
SmartKey is no tdetecte dwhilstthe engin eisrunning.
Aw arning tone also sounds.
XPull ove rand stop th evehicl esafely as soo naspossible, payin g
attention to roa dand traffic conditions.
XSecur ethe vehicl eagainst rollin gaway (Ypage 141).
XInser tthe SmartKey int othe ignition loc kand drive in SmartKey
mode.
Â
Key Not Detected(whit edisplay message )
The SmartKey is currentl yundetected.
XChange th elocation of th eSmartKey in th evehicle.
If th eSmartKey still canno tbedetected:
XOperat ethe vehicl ewitht he SmartKey in th eignition lock.
Â
Remove 'Start 'But‐ton and Insert Key
The SmartKey is continually undetected.
The SmartKey detection function has atem porar ymalfunction or is
faulty. Awarning tone also sounds.
XInser tthe SmartKey int othe ignition loc kand tur nittot hedesire d
position .
XVisitaqualified specialist workshop .
Display messages217
On-boardc omputer andd isplays
Z
Page 220 of 326
Warning and indicator lamps in the instrument cluster
General notes
Some systems carry outaself-diagnosis when the ignition is switched on. Therefore, some indicator
and warning lamps may light up or flas htemporarily .This behavior is non-critical.
These indicator and warning lamps only indicate amalfunction if they light up or flas hafter starting
the engine or whilst driving.
Safety
Seat belts
Warning/
indicator
lampNSignal type
Possiblec auses/consequence sand M
Solutions
üNAfter engine start, the red seatb eltwarning lam plights up for six seconds.
The seatb eltwarning lam preminds the drivera nd front passenger to fasten their
seatb elts.
XFasten you rseatb elt(Ypage44).
üNAfter starting the engine, the red seatb eltwarning lam plights up. In addition, a
warning tone sound sfor up to six seconds.
The driver's seatb eltisnot fastened.
XFasten you rseatb elt(Ypage44).
The warning tone ceases.
üN The red seatb eltwarning lam plights up after the engine starts, as soon as the
driver's or the front-passenger door is closed.
The driverorf ront passenger has not fastened their seatb elt.
XFasten yourseatb elt(Ypage44).
The warning lam pgoes out.
There are objects on the front-passenger seat.
XRemove the objects from the front-passenger seata nd stow them inasecure
place.
The warning lam pgoes out.
üNThe red seatb eltwarning lam pflashes and an intermittent audible warning
sounds.
The driverorf ront passenger has not fastened their seatb elt. The vehicleisbeing
drivenf aster than 15 mph (25 km/h )orhas briefly been drivenf aster than 15 mph
(25 km/h).
XFasten you rseatb elt(Ypage44).
The warning lam pgoes out and the intermittent warning tone ceases.
There are objects on the front-passenger seat. The vehicleisb eing drivenfaster
than 15 mph (25 km/h )orhas briefly been drivenf aster than 15 mph (25 km/h).
XRemove the objects from the front-passenger seata nd stow them inasecure
place.
The warning lam pgoes out and the intermittent warning tone ceases.
218Warning and indicator lamps in the instrument cluster
On-board computer and displays