ignition MERCEDES-BENZ C CLASS 2019 Workshop Manual

Display messagesPossible causes/consequences andPPSolutions
or
Releasethe electric parking brake automatically (page168).If it isstill not possibletoreleasethe electric parking brake:
Do not continue driving under any circumstances. Consult aqualified specialistworkshop.Theyellow$indicator lamp is lit andtheredI(USA only) or$(Canada only) indicator lamp isflashing.The electric parking brake is malfunctioning.
The electric parking brake could not be applied orreleased.
Switchoffthe ignition and switch it back on.
Toapply:
Release andthen applythe electric parking brake manually (page169).
Torelease:
Apply andthenreleasethe electric parking brake manually.
Ifthe electric parking brake cannotbe applied ortheredI(USA only) or$(Canada only) indicator lampcontinuestoflash:
Do not continue driving under any circumstances. Consult aqualified specialistworkshop.
Where necessary,also safeguardthe parkedvehicle againstrollingaway.Theyellow$indicator lamp is on andtheredIindicator lamp (USA only) orthe$indicator lamp (Can‐ada only)flashesfor approximatelyten seconds afterthe electric parking brake has been applied orreleased. Itthenremains lit or goes out. The electric parking brake is malfunctioning.
436Display messages andwarning/indicator lamps

Display messagesPossible causes/consequences andPPSolutions
Ifthe batterychargelevel istoo low:
Chargethe battery.
Toapply:
Switch offthe ignition.The electric parking brake is applied automatically.
Ifthe electric parking brake should not be applied, e.g. whenwashingthevehicle in an automatic carwash or whenhavingthevehicletowed, leavethe ignition switched on. This does not include havingthevehicletowed withtherear axleraised.
Ifthe electric parking brake is not applied automatically:
Switch offthe ignition and switch it back on.
Release andthen applythe electric parking brake manually (page169).
If it isstill not possibletoapplythe electric parking brake:
Visit aqualified specialistworkshop.
Where necessary,also safeguardthe parkedvehicle againstrollingaway.
Torelease:
Ifthe conditionsfor automaticrelease are fulfilled andthe electric parking brake is notreleased automatically,releasethe electric parking brake manually (page169).
Displaymessages andwarning/indicator lamps437

Display messagesPossible causes/consequences andPPSolutions
Observethe notes onthe diagnostics connection (page 25).
Visit aqualified specialistworkshop.
S
Inoperative
*At least one main function ofthe Mercedes me connect system or ofthe SOS emergency call system is malfunc‐tioning.
Visit aqualified specialistworkshop.
u
Front Left MalfunctionService Required(Example)
*The correspondingrestraint system isfaulty (page 34).
\nWARNINGRisk of injuryorfatal injury duetoa malfunction intherestraint system
Iftherestraint system is malfunctioning,restraint system components may be triggered unintentionally ormight not be triggered at all intheevent of an accident. This may affectthe EmergencyTensioning Device orairbag,forexample.
Havetherestraint systemchecked andrepaired immediately at aqualified specialistworkshop.
Detection of arestraint system malfunction:
RTheurestraint systemwarning lamp does not light up whenthe ignition is switched on.
RTheurestraint systemwarning lamp lights up continuously orrepeatedly during a journey.
Visit aqualified specialistworkshop immediately.
446Displaymessages andwarning/indicator lamps

Display messagesPossible causes/consequences andPPSolutions
Active Brake Assist Func-tions Currently Limited SeeOperator's Manual
*Vehicles withthe Driving AssistancePackage:Active Brake Assistwith cross-traffic function, EvasiveSteering
Assist or PRE‑SAFE®PLUS aretemporarily unavailable or only partiallyavailable.
Vehicles withoutthe Driving Assistance package:Active Brake Assististemporarily unavailable.
The ambient conditions are outsidethe system limits (page175).
Drive on.As soon asthe ambient conditions are withinthe system limits,the system will becomeavailable again.
Ifthe display message does not disappear,stopthevehicle while paying attentiontoroad and traffic conditionsandrestartthe engine.
u
SRS Malfunction ServiceRequired
*Therestraint system isfaulty (page 34).
\nWARNINGRisk of injuryorfatal injury duetoa malfunction intherestraint system
Iftherestraint system is malfunctioning,restraint system components may be triggered unintentionally ormight not be triggered at all intheevent of an accident. This may affectthe EmergencyTensioning Device orairbag,forexample.
Havetherestraint systemchecked andrepaired immediately at aqualified specialistworkshop.
Detection of arestraint system malfunction:
RTheurestraint systemwarning lamp does not light up whenthe ignition is switched on.
RTheurestraint systemwarning lamp lights up continuously orrepeatedly during a journey.Visit aqualified specialistworkshop immediately.
Displaymessages andwarning/indicator lamps447

Warning and indicator lamps
Overview ofwarning and indicator lamps
Some systems will performa self-test whentheignition is switched on. Somewarning and indi‐cator lamps may brieflylight up orflash. Thisbehavior is non-critical. Thesewarning and indi‐cator lamps indicate a malfunction only iftheylight up orflash afterthe engine has beenstar‐ted or during a journey.
Instrument Display (standard)
Widescreen Cockpit Instrument Display
Depending onthe display setting,the positionsofthe indicator lamps onthe Instrument Displaymay differ fromtheexample shown.
Warning and indicator lamps:XLow beam (page122)
`Parking lights (page122)
WHigh beam (page124)
>=Turnsignal indicator(page124)
^Rearfog light(page122)
uRestraint system (page 480)

Rear passenger compartment(adjusting) .............................................97
Head-up Display...................................... 237Adjusting display elements (on-boardcomputer) ............................................ 237Adjustingthe brightness (on-boardcomputer) ............................................ 237Function .............................................. 237Menu (on-board computer) .................. 237Settingthe position (on-board com‐puter) .................................................. 237Switching on/off ................................. 238
Headliner (care)....................................... 365
Heatingsee Climate control
High beamSwitching on/off .................................124
High-beam flasher...................................124
High-beam headlampsAdaptive Highbeam Assist ...................125Replacing bulbs ...................................130
Hillstart assist........................................19 5
HOLD function.........................................19 5Function/notes ...................................19 5Switching on/off .................................19 5
HoodOpening/closing ................................. 352
Hookingthe luggage net........................109
HotspotSetting up (Wi-Fi) ................................. 267
I
Identification plateEngine .................................................423Refrigerant .......................................... 430Vehicle ................................................ 423
IgnitionSwitching on (Start/Stop button) ........14 4
Ignitionkeysee SmartKey
Immobilizer................................................ 88
Indicator lampsseeWarning/indicator lamps
Individual drive programConfiguring ..........................................15 3
Selecting .............................................15 3
Insiderearview mirrorsee Exterior mirrors
Inspectionsee ASSYSTPLUS
Instrument clustersee Instrument Display
Instrument cluster lighting.................... 231
Instrument Display................................. 226Adjustingthe lighting ........................... 231Function/notes ................................... 226Instrument cluster .................................10Settingthe additionalvaluerange ....... 229Warning/indicator lamps .....................479
Intelligent Light SystemAdaptive Highbeam Assist ...................125Cornering light function .......................12 5
Interior lighting........................................127Ambient lighting ..................................12 8Reading light ........................................127Setting .................................................127Switch-off delaytime ...........................12 8
Index509

Smartphonesee AndroidAutosee Apple CarPlay™see Mercedes-Benz LinkseeTelephone
Snowchains............................................. 391
Socket (12 V)............................................11 8Front center console ............................118Front passengerfootwell ......................11 8Rear passenger compartment ..............11 8
Software update......................................272Important system updates ...................273Information ..........................................272Performing ...........................................273
Sound
PRE-SAFE®Sound .................................47Wheels and tires ..................................390
Sound
see Burmester®surround sound systemsee Sound settings
Sound settings........................................349Adjustingthe balance/fader ............... 349
Adjusting treble, mid-range and basssettings ............................................... 349Automaticvolume adjustment .............349Calls upthe sound menu ..................... 349Information .......................................... 349
Special seat beltretractor........................54
Specialistworkshop..................................26
Speech dialog systemseeVoice Control System
Speed index (tires)..................................406
SpeedometerDigital .................................................. 232
Standby modeActivating/deactivating .......................170Function ..............................................17 0
Standing lights........................................12 2
Start/Stop buttonParkingthevehicle ...............................161Startingthevehicle .............................14 5Switching onthe power supply orignition ................................................14 4
Start/stop functionsee ECOstart/stop function
Starting assistancesee Jump-startconnection
Startingthe engineseeVehicle
Starting-offaidsee Hillstart assist
StationDeleting ............................................... 344Direct frequency entry ........................ 344Moving ................................................ 344Searching ............................................ 344Setting .................................................344Storing ................................................ 344
Station listCalling up ............................................ 344
Station presetsEditing ................................................. 344Modifying ............................................ 344
STEER CONTROLFunction/notes ....................................175
Steering wheel.........................................227Adjusting (electrically) .........................101Adjusting (manually) ............................100
Index521