2019 MERCEDES-BENZ C CLASS ignition
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Do not swallow fuel or let it come intocontact withskin,eyes or clothing.
Do not inhale fuelvapor.
Keepchildrenawayfrom fuel.
Keep doors and windowsclosed duringtherefueling process.
Ifyou orother people come into contact withfuel, observethefollowing:
Immediatelyrinse fuel offyour skin withsoap andwater.
If fuel comes into contact withyoureyes, immediatelyrinsethemthor‐oughly with cleanwater.Seek medicalattention immediately.
Ifyou swallow fuel, seek medical atten‐tion immediately.Do not inducevomit‐ing.
Change immediately out of clothingthathas come into contact withfuel.
Fuel
Notes on fuelgradesforvehicles with agas‐oline engineObservethe notes on operatingfluids( page 425).
NOTEDamagecausedbythe wrong fuel
Even small amounts ofthe wrong fuel couldresult in damagetothe fuel system,theengine andthe emission control system.
Onlyrefuel with low-sulfur unleadedfuel.
This fuel may contain upto10%ethanolbyvolume.Yourvehicle is suitablefor use withE10 fuel.
Neverrefuel with one ofthefollowing fuels:
RDiesel
RGasoline with morethan10%ethanolbyvolume, e.g. E15, E85, E100
RGasoline with morethan 3% methanolbyvolume, e.g. M15, M30, M85, M100
RGasoline with additives containing metal
Ifyou haveaccidentallyrefueled withthewrong fuel:
Do not switchonthe ignition.
Consult aqualified specialistworkshop.
Iftheavailable fuel is not sufficiently low in sul‐fur,this can produce unpleasant odors.
Onlyrefuel with fuelthat has at leastthe octanenumber specified inthe instruction label inthefuelfillerflap ( page159).
Ifyouwant maximum engine output:onlyrefuel with unleaded premium gradegasolinewith an octane number of at least91AKI/95RON.
As atemporary measure, iftherecommendedfuel is notavailable,you may alsorefuel withunleadedregulargasoline with at least87AKI/91RON. This mayreduce engine output andincrease fuel consumption.
Neverrefuel usinggasoline with aneven lowerRON.
426Technical data
Page 437 of 534
Display messagesPossible causes/consequences and P PSolutions
$
(Canada only)
Turn On the Ignition toRelease the Parking Brake
I
(USA only)
$
(Canada only)
Parking Brake See Opera-tor's Manual
*Theyellow $indicator lamp is lit. The electric parking brake is malfunctioning.
Toapply:
Switch offthe ignition and switch it back on.
Applythe electric parking brake manually ( page169).
If it isnot possibletoapplythe electric parking brake:
Visit aqualified specialistworkshop.
Where necessary,also safeguardthe parkedvehicle againstrollingaway.Theyellow $andthered I(USA only) or $(Canada only) indicator lamps are lit. The electric parkingbrake is malfunctioning.
Torelease:
Switchoffthe ignition and switch it back on.
Releasethe electric parking brake manually ( page169).
Displaymessages andwarning/indicator lamps435
Page 438 of 534
Display messagesPossible causes/consequences and P PSolutions
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 andthered I(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 orthered I(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 andthered Iindicator 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
Page 439 of 534
Display messagesPossible causes/consequences and P PSolutions
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
Page 448 of 534
Display messagesPossible causes/consequences and P PSolutions
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:
RThe urestraint systemwarning lamp does not light up whenthe ignition is switched on.
RThe urestraint systemwarning lamp lights up continuously orrepeatedly during a journey.
Visit aqualified specialistworkshop immediately.
446Displaymessages andwarning/indicator lamps
Page 449 of 534
Display messagesPossible causes/consequences and P PSolutions
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:
RThe urestraint systemwarning lamp does not light up whenthe ignition is switched on.
RThe urestraint systemwarning lamp lights up continuously orrepeatedly during a journey. Visit aqualified specialistworkshop immediately.
Displaymessages andwarning/indicator lamps447
Page 481 of 534
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)
Page 511 of 534
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