2016 MERCEDES-BENZ C-Class SEDAN ECU

Display messagesPossible causes/consequences andMSolutions
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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 177).
XObserv eth einstruction sin th e# See Operator' sManualdisplay message .
XConsultaqualified specialist workshop .
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StopVehicl eLeaveEngine Runnin g
The battery charg elevel is to olow.
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions. Do no tcontinu edrivin g
under any circumstances.
XLeav eth eengin erunning.
XWait until th edisplay message disappear sbefore pullin gaway.
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Start Engine SeeOperator' sManual
The engin eis switched off and th ebattery charg elevel is to olow.
XSwitc hoff electrical consumer sthat you do no tneed, suc has th e
rear window defroste rand interior lighting .
XLeaveth eengin erunnin gfor afew minute sor drive alon gdistance.
The battery is bein gcharged.
4
CheckEngineOilAtNex tRefueling
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 332).
XIf necessary, add engin eoil (Ypage 332).
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 aqualified
specialist workshop or on th eInternet at http://bevo.mercedes -
benz.com.
270Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
4
Check Engine OilLevel (Add 1quart)
The engin eoil level has dropped to th eminimum level.
!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 332).
XIf necessary, add engin eoil (Ypage 332).
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 aqualified
specialist workshop or on th eInternet at http://bevo.mercedes -
benz.com.
4
Engine Oil LevelLow Sto pVehicl eTurnEngine Off
Mercedes-AMG vehicles:
The engin eoil level is to olow. There is aris kof engin edamage.
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 177).
XCheckth eengin eoil level (Ypage 332).
XIf necessary, add engin eoil (Ypage 332).
8
Fue lLevel Low
The fuel level has dropped int oth ereserv erange.
XRefue lat th eneares tgas station .
CThere is only aver ysmall amount of fuel in th efuel tank.
XRefue lat th eneares tgas station without fail .
8
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 .
Display messages271
On-board computer and displays
Z

Hybrid drive system
Display messagesPossible causes/consequences andMSolutions
d
VehicleOperationalSwitchtheIgnitionOff Before Exiting
PLUG-IN HYBRID vehicles:
You are exiting the vehicle when it is in a ready-to-drive state. The
READY indicator in the multifunction display is on. A warning tone also
sounds.
If you leave the vehicle:
XSecure the vehicle against rolling away (Ypage 177).
XSwitch off the ignition and remove the SmartKey.
If you do not leave the vehicle:
XSwitch off the electrical consumers, e.g. automatic climate control,
seat heating.
Please note the following: The electrical consumers are supplied by
the 12 V battery. If the vehicle is left in a ready-to-drive state for an
extended period, it will switch off once the 12 V battery is almost
empty. It will then only be possible to start the vehicle using a second
battery (jump-starting).
Change the currentdrive programbeforechangingtheoperating mode.or
Exit manual drive
program M beforechangingtheoperat‐ing mode.
PLUG-IN HYBRID vehicles:
You have attempted to change the operating mode in the automatic
drive program S(Sport), S+(Sport Plus) or in the manual drive pro-
gram M.
XActivate drive program C(Comfort) or E(Economy) (Ypage 229).
XSelect the preferred operating mode HYBRID,E-MODE,E-SAVE or
CHARGE (Ypage 226).
E-MODE CurrentlyUnavailable
PLUG-IN HYBRID vehicles:
The condition of charge of the high-voltage battery has dropped to the
lower limit and the E-MODEoperating mode has been switched off.
Driving with the internal combustion engine is activated and the oper-
ating mode switches to the basic HYBRIDsetting.
XContinue driving using the internal combustion engine.
You can switch to the E-SAVEorCHARGE operating mode as
required (
Ypage 226).
If you select CHARGE, the high-voltage battery is charged.
Once the charge level display for the high-voltage battery has
increased slightly, you can switch to the E-MODEoperating mode
again.
272Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
OnlyE-MODE Availa ‐ble Power Limite dRefuel Immediately
PLUG-INHYBRID vehicles:
The fuel tan khas been run dry and th ecombustion engin ehas been
switched off .
A warning tone also sounds.
The vehicl ewill be powered by electrical energ yonly. Performance is
restricted and th evehicl emay accelerate mor eslowly than normal.
XRefue lat th eneares tgas station without fail .
In th e"Total range and electric range" menu, you can display th e
approximat erange of th evehicl e (
Ypage 228).
Engine wil lnotrestar tServic erequired
You canno tstart th eengin eagain due to amalfunction .
A warning tone also sounds.
If th eengin eis running:
XVisit aqualified specialist workshop .
If you switch off th eengine:
XSecur eth evehicl eagainst rollin gaway (Ypage 177).
XNotify aqualified specialist workshop or breakdown service.
á
Towing Not Permit ‐ted See Operator'sManual
The hybrid drive system is faulty.
XHaveth evehicl etransporte don atransporte ror trailer to th enear-
est qualified specialist workshop .
Û
MalfunctionServiceRequired
The hybrid drive system is faulty.
XVisitaqualified specialist workshop .
Û
Malfunction
The hybrid drive system is faulty.
XHaveth evehicl etowed away by aprofessional recovery compan yto
th eneares tqualified specialist workshop .
d
Malfunction
The drive system is malfunctioning .
The ECO start/sto pfunction may be malfunctioning .
The drive powe ris restricted.
XVisit aqualified specialist workshop .
ï
ChargerCable Con ‐nected
PLUG-INHYBRID vehicles:
The charging cable connecto ris still connecte dto th evehicl esocket.
You canno tdrive off as lon gas th echarging cable connecto ris still
connected.
Befor eyou drive off :
XRemove thecharging cable connecto rfrom th evehicl esocke t
(Ypage 173).
Display messages27 3
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
¨
VehicleRisingPlease Wai t
The vehiclelevel is to olow when th evehicl eis stationary. Awarning
tone also sounds.
XDo no tpull away.
The vehicl elevel is set when th edisplay message disappears.
¨
Sto pVehicl eVehi‐cle Too Low
You hav epulled away while th evehicl elevel is still to olow.
AIRMATIC set sth evehicl eto th eselected level after ashort period.
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 177).
XWait until th edisplay message disappear sbefore pullin gaway.
AIRMATIC is defective. Awarning tone also sounds.
XDo no tdrive at speeds abov e50 mph (80 km/h).
XMak eonly slight steering movements. Otherwise ,th efron tfender
or th etires could be damaged if th esteering movement is to olarge.
XListe nfor scraping sounds.
XPull ove rand stop th evehicl esafely, payin gattention to roa dand
traffic conditions, and set ahigher vehicl elevel.
Dependin gon th emalfunction ,it may be possibl eto rais eth evehi-
cle .
XVisit aqualified specialist workshop .
¨
Malfunction
The AIRMATIC function is restricted. The vehicle's handlin gcharac -
teristics may be affected.
XDo no tdrive at speeds abov e50 mph (80 km/h).
XVisit aqualified specialist workshop .
LaneKeepin gAssistCurrently Unavaila‐ble See Operator' sManualorActiveLan eKeepin gAssistCurrently Unavaila‐ble See Operator' sManual
LaneKeepin gAssis tor Active Lan eKeepin gAssis 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 .
Rthere havebeen no lan emarking sfor an extended period.
Rth elan emarking sare worn, dark or covered, e.g. by dir tor snow.
Whe nth ecauses state dabov eno longer apply, th edisplay message
disappears.
Lan eKeepin gAssis tor Active Lan eKeepin gAssis 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 177).
XClean th ewindshield.
Display messages27 5
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
LaneKeepin gAssistInoperativeor
ActiveLan eKeepin gAssist Inoperative
LaneKeepin gAssis tor Active Lan eKeepin gAssis tis defective.
XVisit aqualified specialist workshop .
Blind SpotAssistCurrently Unavaila‐ble See Operator' sManualorActiveBlind Spo tAssistCurrently Unavaila‐ble See Operator' sManual
Blind Spot Assistor Active Blind Spot Assis tis temporarily inoperative.
Possibl ecauses are:
Rth eradar sensor system is outside th eoperating temperature
range.
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 .
Whe nth ecauses state dabov eno longer apply, th edisplay message
disappears.
Blind Spot Assis tor Active 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 177).
XRestart th eengine.
Blind Spo tAssistInoperativeor
Active Blind Spo t
Assist Inoperative
Blind Spot Assistor Active Blind Spot Assis tis defective.
XVisit aqualified specialist workshop .
ParkAssistCanceledThe driver's door is open .
XRepeat theparking gap measuremen tand parking process wit hth e
driver's door closed .
You touched themultifunction steering whee lwhile steering inter-
vention 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 Active Parking Assistagain later (Ypage 202).
ParkAssist Inoper ‐ativePARKTRONICis malfunctioning or faulty.
XFollow th einstruction sand helpful hints in th e"Problem swit h
PARKTRONIC" section (Ypage 202).
If th emultifunction display still shows th edisplay message :
XVisitaqualified specialist workshop .
276Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
DISTRONIC PLUSCur ‐rently UnavailableSee Operator' sMan ‐ual
DISTRONI CPLU Sis temporarily inoperative.
Steering Assis tand Stop&Go Pilo tare 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 .
Rthesystem is outside th eoperating temperature range.
RThe on-boar dvoltag eis to olow.
A warning tone also sounds.
Whe nth ecauses state dabov eno longer apply, th edisplay message
disappears.
DISTRONI CPLU Sis 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 177).
XRestart th eengine.
DISTRONICPLU SInop‐erativ eDISTRONI CPLU Sis defective.
The followin gmay hav ealso failed:
RBA SPLU Swit hCross-Traffic Assis t
RPRE-SAFE®Brake
RSteering Assis tand Stop&Go Pilo t
A warning tone also sounds.
XVisit aqualified specialist workshop .
DISTRONIC PLUSSus ‐pendedYou hav edepressed th eaccelerato rpedal .DISTRONI CPLU Sis no
longer controllin gth espeed of th evehicle.
XRemove your foo tfrom th eaccelerato rpedal .
DISTRONIC PLU S- - -mphAn activation condition for DISTRONI CPLU Sis no tfulfilled .
XCheckth eactivation condition sfor DISTRONI CPLU S (Ypage 186).
278Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
DTR+: SteeringAssist.CurrentlyUnavailable SeeOperator' sManual
Steering Assis tand Stop&Go Pilo tare 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 .
Rthere are no lan emarking sfor alonger period.
Rth elan emarking sare worn, dark or covered, e.g. by dir tor snow.
Whe nth ecauses state dabov eno longer apply, th edisplay message
disappears.
Steering Assis tand Stop&Go Pilo tare operative 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 177).
XClean th ewindshield.
DTR+: SteeringAssist .InoperativeSteering Assis tand Stop&Go Pilo tare faulty.
However, th eDISTRONI CPLU Sfunction sare still available.
A warning tone also sounds.
XVisit aqualified specialist workshop .
CruiseControlInop‐erativeCruisecontrol is malfunctioning .
A warning tone also sounds.
XVisit aqualified specialist workshop .
Cruise Control- - -mph
RAcondition for activating cruise control has no tbeen met .
You hav etried to store aspeed belo w20 mph (30 km/h), for exam-
ple.
RES P®is deactivated. The yello wES P®OF Fwarning 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 185).
or
XReactivat eES P®.
Rall vehicles except Mercedes-AMG vehicles (Ypage 74)
RMercedes-AMG vehicles(Ypage 74)
Display messages279
On-board computer and displays
Z