ESP MERCEDES-BENZ CLA-Class 2017 C117 Owners Manual

Display messagesPossible causes/consequences andMSolutions
b
Check Front LeftSidemarkerLam por
Check Front Right
Sidemarke rLam p
The fron tleft-han dor fron tright-hand side marke rlamp is faulty.
XVisit aqualified specialist workshop .
b
Check RearLef tSidemarke rLam por
Check Rea rRight
Sidemarke rLam p
The rear left-han dor rear right-hand side marke rlamp is faulty.
XVisit aqualified specialist workshop .
b
Check LeftDaytim eRunningLightor
CheckRightDaytim eRunningLight
The lef tor right-hand daytime runnin glamp is faulty.
XChec kwhether you are permitte dto replace th ebulb yourself
(Ypage 103).
or
XVisit aqualified specialist workshop .
b
Active HeadlampsInoperative
The active lightfunction is faulty.
XVisit aqualified specialist workshop .
b
Malfunction SeeOperator'sManual
The exterio rlighting is malfunctioning .
XVisitaqualified specialist workshop .
b
AutoLam pFunctionInoperative
The ligh tsensor is defective.
XVisit aqualified specialist workshop .
b
Switch Off Lights
The lights are still switched on when you leav eth evehicle. 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 messages201
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
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 th ewindshield.
If th esystem detects that th ecamera is full yoperational again ,th e
Adaptive
HighbeamAssistNowAvailablemessage is displayed.
Adaptive Highbea mAssis tis operational again .
Adaptive HighbeamAssist InoperativeAdaptive HighbeamAssis tis faulty.
XVisit aqualified specialist workshop .
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 257).
If you have to ad dcoolant frequently:
XContac t aqualified specialist workshop and hav eth eengin ecoolin g
system checked.
?The fan motor is malfunctioning .
XAt coolanttemperatures 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-and-go traffic.
202Display 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 140).
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 gauge .
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
Ratorn 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 140).
XConsult aqualified specialist workshop .
Display messages203
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 140).
XObserv eth einstruction sin th edisplay message #See Oper‐ator's Manual.
XConsult aqualified specialist workshop .
4
CheckEngineOilAtNextRefueling
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 255).
XIf necessary, add engin eoil (Ypage 256).
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 any quali-
fie dspecialist workshop or on th eInternet at http://bevo.mercedes -
benz.com.
æ
Fue lLevel Low
The fuel level has dropped int oth ereserv erange.
XRefue lat th eneares tgas station .
çThere is only aver ysmall amount of fuel in th efuel tank.
XRefue lat th eneares tgas station without fail .
æ
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 .
204Display messages
On-board computer and displays

Drivingsystems
Display messagesPossible causes/consequences an dMSolutions
À
Attention Assist :Take a Break!
Based on certain criteria, ATTENTION ASSIST has detecte dfatigue or
a lac kof concentration on th epar tof th edriver . Awarnin gtone also
sounds.
XIf necessary, take abreak .
Durin glon gjourneys, take regular break sin goo dtime so you get
enough rest.
À
Attention AssistInoperative
ATTENTION ASSIST is inoperative .
XVisitaqualified specialis tworkshop .
ë
Off
The HOLD function is deactivated. th evehicle is skidding .
A warnin gtone also sounds.
XReactivat eth eHOLD function later (Ypage 156).
The HOLD function is deactivated. Whe nth ebrake peda lis firmly
depressed, an activation condition is no tfulfilled.
A warnin gtone also sounds.
XChec kth eactivation condition sfo rth eHOLD function
(Ypage 156).
Lan eKeepin gAssistCurrently Unavaila‐ble See Operator' sManual
LaneKeepin gAssis tis deactivated and temporarily inoperative .
Possible causes are :
Rthewindshield in th ecamera's field of vision is dirty
Rvisibilit yis impaire ddue to heav yrain ,snow or fo g
Rthere havebee nno lan emarking sfo ran extended period
Rth elan emarking sare worn, dar kor covered, e.g. by dir tor snow
Whe nth ecauses stated abov eno longer apply ,th edisplay messag e
disappears .
Lan eKeepin gAssis tis operational again .
If th edisplay messag edoe sno tdisappear:
XPull over and stop th evehicle safely as soo nas possible, payin g
attention to road and traffic conditions.
XSecur eth evehicle against rollin gaway (Ypage 140).
XClean th ewindshield .
LaneKeepin gAssistInoperativeLaneKeepin gAssis tis faulty.
XVisit aqualified specialis tworkshop .
Display messages205
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
Blind SpotAssistCurrently Unavaila‐ble See Operator' sManual
Blind Spot Assistis temporarily inoperative.
Possibl ecauses are:
Rth eradar sensor system is temporarily inoperative, e.g. due to elec -
tromagneti cradiation emitted by nearby TV or radi ostation sor
other source sof electromagneti cradiation
Rth eradar sensor system is outside th eoperating temperature range
The yellow 9indicator lamp salso ligh tup in th eexterio rmirrors.
Whe nth ecauses state dabov eno longer apply, th edisplay message
disappears.
Blind Spot Assis tis operational again .
If th edisplay message does no tdisappear :
XPull overand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 140).
XRestart th eengine.
Blind Spo tAssistInoperativeBlind Spot Assis tis faulty.
The yellow 9indicator lamp salso ligh tup in th eexterio 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 hth eseat belt fastene dand th e
driver's door closed .
You haveinadvertentl ytouched th emultifunction steering whee lwhile
steering intervention was active .
XWhilesteering intervention is active ,mak esur ethat th emultifunc-
tion steering whee lis no ttouched unintentionally.
The vehicl ehas started to skid and ES P®has intervened.
XUse Parking Pilotagain later (Ypage 162).
ParkingPilot Inop‐erativ eYou hav ejus tcarrie dout alarg enumber of turnin gor parking maneu-
vers.
Parking Pilo twill become available again after approximately te n
minute s (
Ypage 162).
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSwitc hoff and restar tth eengine.
If th emultifunction display still shows th edisplay message :
XVisitaqualified specialist workshop .
Parking AssistPARKTRONI Cis malfunctioning .
XVisitaqualified specialist workshop .
206Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
ParkingPilot Fin ‐ishedThe vehicleis parked. Awarning tone also sounds.
The display message disappear sautomatically.
Distance Pilot OffDistanc ePilo tDISTRONI Cis deactivated (Ypage 150).
If it was no tdeactivated by th edriver , awarning tone also sounds.
Distance Pilot NowAvailableDistanc ePilo tDISTRONI Cis operational again after having been tem-
porarily unavailable .You can no wreactivat eDistanc ePilo t
DISTRONI C (
Ypage 150).
Distance Pilot Cur ‐rently UnavailableSee Operator'sMan ‐ual
Distanc ePilo tDISTRONI Cis temporarily inoperative.
Possibl ecauses are:
Rth eradar sensor system is temporarily inoperative, e.g. due to elec -
tromagneti cradiation emitted by nearby TV or radi ostation sor
other source sof electromagneti cradiation
Rth esystem is outside th eoperating temperature range
Rth eon-boar dvoltag eis to olow
A warning tone also sounds.
Whe nth ecauses state dabov eno longer apply, th edisplay message
disappears.
Distanc ePilo tDISTRONI Cis operational again .
If th edisplay message does no tdisappear :
XPull overand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 140).
XRestart th eengine.
DistancePilotInop‐erativ eDistanc ePilo tDISTRONI Cis malfunctioning .Situation-dependen t
parking assistanc emay also hav efailed.
A warning tone also sounds.
XVisit aqualified specialist workshop .
Distance Pilot Sus‐pendedYou havedepressed th eaccelerato rpedal .Distanc ePilo tDISTRONI C
is no longer controllin gth espeed of th evehicle.
XRemove your foo tfrom th eaccelerato rpedal .
Distance Pilot
- - - mph
Acondition for activating Distanc ePilo tDISTRONI Chas no tbeen met .
XCheckth eactivation condition sfor Distanc ePilo tDISTRONI C
(Ypage 150).
Display messages20 7
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
CruiseControlInop‐erativeCruisecontrol is malfunctioning .
A warning tone also sounds.
XVisit aqualified specialist workshop .
Cruise Control
- - -mph
RAcondition for activating cruise control has no tbeen fulfilled .
You hav etried to store aspeed belo w20 mph (30 km/h), for exam-
ple.
RES P®is deactivated. The yellow ES P®OFFwarning lamp is lit .
XIf conditionspermit ,drive faste rthan 20 mph (30 km/h )and store
th espeed.
or
XChec kth eactivation condition sfor cruise control (Ypage 148).
or
XReactivat eES P®(Ypage 182).
208Display messages
On-board computer and displays

Tires
Display messagesPossible causes/consequences andMSolutions
CheckTirePressureSoonCanada only:
The tire pressure loss warning system has detected a significant loss
in pressure.
A warning tone also sounds.
Possible causes:
Ryou have changed the positions of the wheels and tires or installed
new wheels and tires
Rthe tire pressure in one or more tires has dropped
GWARNING
Tire pressures that are too low pose the following hazards:
Rthey may burst, especially as the load and vehicle speed increase
Rthey may wear excessively and/or unevenly, which may greatly
impair tire traction.
Rthe driving characteristics, as well as steering and braking, may be
greatly impaired
There is a risk of an accident.
XStop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
XSecure the vehicle against rolling away (Ypage 140).
XCheck the tires and, if necessary, follow the instructions for a flat
tire (Ypage 266).
XCheck the tire pressures and, if necessary, correct the tire pressure.
XRestart the tire pressure loss warning system when the tire pres-
sure is correct (Ypage 289).
CheckTirePressureThen Restart RunFlat Indicator
Canada only:
The tire pressure loss warning system generated a display message
and has not been restarted since.
XSet the correct tire pressure in all four tires.
XRestart the tire pressure loss warning system (Ypage 289).
Run Flat IndicatorInoperativeCanada only:
The tire pressure loss warning system is faulty.
XVisit a qualified specialist workshop.
PleaseCorrectTirePressureUSA only:
The tire pressure is too low in at least one of the tires, or the tire
pressure difference between the wheels is too great.
XCheck the tire pressures at the next opportunity (Ypage 289).
XIf necessary, correct the tire pressure.
XRestart the tire pressure monitor (Ypage 291).
Displa y messages209
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
Check TiresUSAonly:
The tire pressur ein on eor mor etires has dropped significantly. The
whee lposition appear sin th emultifunction display.
A warning tone also sounds.
GWARNIN G
Tir epressures that are to olow pos eth efollowin ghazards :
Rthey may burst, especially as th eload and vehicl espeed increas e
Rthey may wear excessivel yand/o runevenly, whic hmay greatl y
impair tire traction .
Rthedrivin gcharacteristics ,as well as steering and braking ,may be
greatl yimpaire d
There is aris kof an accident.
XStop th evehicl ewithout making any sudden steering or braking
maneuvers .Pay attention to th etraffic condition sas you do so.
XSecur eth evehicl eagainst rollin gaway (Ypage 140).
XCheckth etires and ,if necessary, follow th einstruction sfor aflat
tire (Ypage 266).
XChec kth etire pressur e (Ypage 289).
XIf necessary, correc tth etire pressure.
Warnin gTir eMal ‐functionUSAonly:
The tire pressur ein on eor mor etires has dropped suddenly. The whee l
position appear sin th emultifunction display.
GWARNIN G
Drivin gwit h a flat tire poses aris kof th efollowin ghazards :
Raflat tire affects th eabilit yto steer or brak eth evehicl e
Ryou could lose control of th evehicl e
Rcontinued drivin gwit h a flat tire will caus eexcessive heat build-up
and possibl y afire
There is aris kof an accident.
XStop th evehicl ewithout making any sudden steering or braking
maneuvers .Pay attention to th etraffic condition sas you do so.
XSecur eth evehicl eagainst rollin gaway (Ypage 140).
XCheckth etires and ,if necessary, follow th einstruction sfor aflat
tire (Ypage 266).
TirePress.Monito rCurrently Unavaila‐ble
USAonly:
Becaus ethere is interferenc efrom astron gsource of radi owaves, no
signals from th etire pressur esensor sare detected. The tire pressur e
monitor is temporarily malfunctioning .
XDrive on.
The tire pressur emonitor restarts automatically as soo nas th e
problem has been resolved.
210Display messages
On-board computer and displays