roof MERCEDES-BENZ C CLASS 2019 Owners Manual

Symbols........................................................5
Ataglance....................................................6Cockpit ........................................................... 6Warning and indicator lamps ........................10Overhead control panel ................................14Door control panel and seat adjustment .......16Emergencies and breakdowns ......................18
Digital Operator's Manual.........................20Calling upthe Digital Operator's Manual ...... 20
General notes.............................................21Protectingthe environment ..........................21Genuine Mercedes-Benz parts ......................21Operator's Manual ........................................22Service andvehicle operation ......................23Operating safety ...........................................24Declaration of conformityfor wirelessvehicle components .....................................25Diagnostics connection ................................ 25Qualified specialistworkshop ....................... 26Correct use ofthevehicle ............................26
Problems withyourvehicle ...........................27Reporting safety defects ...............................27LimitedWarranty ..........................................27QR codeforrescue card ...............................28Datastorage .................................................28Copyright ......................................................31
Occupant safety.........................................33Restraint system ...........................................33Seat belts ..................................................... 36Airbags ......................................................... 40
PRE-SAFE®system .......................................47Safely transportingchildren inthevehi‐cle ................................................................48Notes on pets inthevehicle .........................62
Opening and closing..................................64SmartKey......................................................64Doors............................................................ 69Trunk ............................................................73Roller sun blinds ...........................................78Side windows............................................... 80Sliding sunroof ............................................. 83Anti-theft protection .....................................88
Seats andstowing.....................................90Notes onthe correct driver's seat posi‐tion ............................................................... 90Seats ............................................................91Steering wheel ............................................100Easy entry andexitfeature .........................101Operatingthe memory function ..................102Stowage areas ............................................104Cup holder ..................................................11 5Ashtrayand cigarettelighter .......................116Sockets .......................................................11 8Wirelesscharging ofthe mobile phoneand connection withtheexterior antenna ...11 9Installing/removingthefloor mats .............120
Light and visibility...................................12 2Exterior lighting ..........................................12 2Interior lighting ...........................................127Changing bulbs (onlyforvehicles withhalogen headlamps) ....................................12 8Windshield wiper and windshieldwashersystem ........................................................13 2Mirrors........................................................13 4Operatingthe sun visors .............................137
2Contents

1Sun visors→137
2=Switchesthe left-handreading lampon/off
→127
33Switchesthe interior lighting controlon/off
→127
4SOS emergency call system (Mercedes-Benzemergency call system)
→319
5JSwitchesthe front interior lightingon/off
→127
6BSwitchestherear interior lightingon/off
→127
7=Switchestheright-handreading lampon/off
→127
8Service call button (Mercedes me connect)→319
9Eyeglasses compartment→106
AWOpens/closesthe panoramic slidingsunroof
→83
Opens/closestheroller sunblinds→83
BInsiderearview mirror→13 5
Ataglance – Overhead control panel15

Protectingthe environment
ENVIRONMENTALNOTEEnvironmentaldamageduetooperating conditions andpersonal drivingstyle
The pollutant emission ofyourvehicle isdirectlyrelatedtothewayyou operateyourvehicle.
Helptoprotectthe environmentbyoperatingyourvehicle in an environmentallyresponsi‐ble manner. Please observethefollowingrec‐ommendations on operating conditions andpersonal drivingstyle.
Operating conditions:
Make surethatthe tire pressure is cor‐rect.
Do not carryany unnecessaryweight(e.g.roof luggageracks onceyou nolonger needthem).
Adheretothe service intervals.Aregularly servicedvehicle will contrib‐utetoenvironmental protection.
Always havemaintenanceworkcarriedout at aqualified specialistworkshop.
Personal drivingstyle:
Do not depressthe accelerator pedalwhenstartingthe engine.
Do notwarmupthe engine whilethevehicle isstationary.
Drive carefully and maintain a suitabledistance fromthevehicle in front.
Avoid frequent, sudden accelerationand braking.
Changegear in good time and use eachgear onlyupto

NOTEImpairment ofthe operating effi‐ciency oftherestraint systems frominstalling accessory parts or fromrepairsorwelding
Airbags and EmergencyTensioning Devices,aswell as control units and sensorsfortherestraint systems, may be installed inthefol‐lowing areas ofyourvehicle:
RDoors
RDoor pillars
RDoor sills
RSeats
RCockpit
RInstrument cluster
RCenter console
RLateralroof frame
Do not install accessory parts such asaudio systems inthese areas.
Do not carryoutrepairs orwelding.
Haveaftermarket installation of acces‐sories carried out at aqualified special‐istworkshop.
You could jeopardizethe operating safety ofyourvehicle ifyou use parts, tires and wheels aswellas accessoriesrelevanttosafety which havenotbeen approvedbyMercedes-Benz. Safety-rele‐vant systems, e.g.the brake system, may mal‐function. Only use Mercedes-Benz GenuinePartsor parts of equalquality.Only use tires, wheelsand accessoriesthat havebeen specificallyapprovedforyourvehicle model.
Mercedes-Benz GenuineParts are subjecttostrictquality control. Each part has been spe‐cially developed, manufactured or selectedforMercedes-Benzvehicles andfine-tunedforthem.Therefore, only Mercedes-Benz GenuinePartsshould be used.
Morethan 300,000 different Mercedes-BenzGenuineParts areavailablefor Mercedes-Benzmodels.
All authorized Mercedes-Benz Centers maintaina supply of Mercedes-Benz GenuinePartsfor
necessaryservice andrepairwork. In addition,strategically located parts delivery centers pro‐videforquick andreliable parts service.
Always specifythevehicle identification number(VIN) (page 423) when orderingMercedes-Benz GenuineParts.
Operator's Manual
This Operator's Manual describes all models andallstandard and optional equipmentavailableforyourvehicle atthe time ofthis Operator's Man‐ual goingtopress. Country-specific differencesare possible. Notethatyourvehicle may not beequipped with allfeatures described. This is alsothe casefor systems and functionsrelevanttosafety.Therefore,the equipment onyourvehiclemay differ fromthat inthe descriptions and illus‐trations.
The original purchase agreementforyourvehiclecontains a list of all ofthe systems inyourvehi‐cle.
Shouldyou haveanyquestions concerningequipment and operation, please consult anauthorized Mercedes-Benz Center.
22General notes

Status ofthe front passenger front airbag
Function ofthe automatic front passengerfront airbag shutoffThe automatic front passenger front airbag shut‐off is abletodetect whetherthe front passengerseat is occupiedbya person or achildrestraintsystem. The front passenger front airbag is ena‐bled or disabled accordingly.
When installing achildrestraint system onthefront passenger seat, always make sure ofthefollowing:
REnsurethatthechildrestraint system is posi‐tioned correctly (page48).
RAlways observethechildrestraint systemmanufacturer's installation instructions.
RNever place objects, e.g. cushions, under orbehindthechildrestraint system.
RFullyretractthe seat cushion length adjust‐ment.
RThe entire base ofthechildrestraint systemmust alwaysrestonthe seat cushion ofthefront passenger seat.
RThe backrest oftheforward-facingchildrestraint system must lie asflat as possibleagainstthe backrest ofthe front passengerseat.
RThechildrestraint system must nottouchtheroof or be put understrainbythe headrestraints.Adjustthe seat backrest inclina‐tion andthe headrestraint setting accord‐ingly.
\nWARNINGRisk of injuryor death duetoobjects betweenthe sitting surface andthechildrestraint system
Objects betweenthe sitting surface andthechildrestraint system could affectthe func‐tion ofthe automatic front passenger airbagshutoff.
This couldresult inthe front passenger air‐bag not functioning as intended during anaccident.
Do not place any objects betweenthesitting surface andthechildrestraintsystem.
The entire base ofthechildrestraintsystem must alwaysrestonthe sittingsurface ofthe front passenger seat.
The backrest oftheforward-facingchildrestraint system must, asfar as possi‐ble, beresting onthe seat backrest ofthe front passenger seat.
Always comply withthechildrestraintsystem manufacturer's installationinstructions.
A person onthe front passenger seat mustobservethefollowing information:
RFasten seat belts correctly (page36).
RSit in an almost upright seat position withtheir back againstthe seat backrest.
RSit withtheirfeetresting onthefloor, if pos‐sible.
The front passenger front airbag mayotherwisebe disabledbymistake,forexample inthefol‐lowing situations:
RThe front passenger transferstheirweightbysupportingthemselves on avehicle armrest.
Occupant safety43

\nWARNINGRisk of injuryor death whenthePASSENGER AIRBAG OFF indicatorlamp is lit
IfthePASSENGER AIRBAG OFF indicatorlampremains lit afterthe system self-test,the front passenger air bag is deactivated. Itwill not be deployed intheevent of an acci‐dent. Inthis case,the front passenger air bagcannotperformits intended protective func‐tion, e.g. when a person is seated inthe frontpassenger seat.
That person could,forexample, come intocontact with thevehicle interior, especially ifthe person is sittingtoo closetothe cockpit.
Ifthe front passenger seat is occupied,always ensurethat:
RThe classification ofthe person inthefront passenger seat is correct andthefront passenger air bag is enabled ordeactivated in accordance withthe per‐son inthe front passenger seat.
RThe person is seated properlywith a cor‐rectlyfastened seat belt.
RThe front passenger seat has been movedasfar back as possible.
Be suretoalso observethefollowing furtherrelated subjects:
RChildrestraint system onthe front passengerseat (page 59).
PRE-SAFE®system
PRE-SAFE®(anticipatoryoccupant protec‐tion)
PRE-SAFE®is abletodetect certain critical driv‐ing situations and implement pre-emptive meas‐urestoprotectthevehicle occupants.
PRE-SAFE®can implementthefollowing meas‐ures independently of eachother:
RTighteningthe seat belts onthe driver's seatand front passenger seat.
RClosingthe side windows.
RVehicles with sliding sunroof:Closingthesliding sunroof.
RVehicles with memory function:Movingthe front passenger seattoa morefavorableseat position.
RVehicles with multicontour seat:Increas‐ingthe air pressure inthe seat side bolstersofthe seat backrest.
RPRE-SAFE®Sound: providedthatthe multi‐media system is switched on,generates abrief noise signaltostimulatethe innate pro‐tective mechanism of a person's hearing.
NOTEDamagecausedbyobjects inthefootwell or behindthe seat
The automatic adjustment ofthe seat posi‐tion mayresult in damagetothe seat and/orthe object.
Stowobjects in a suitable place.
Occupant safety47

possible. In addition,the seat backrest ofthechildrestraint system must, asfar aspossible, lieflat againstthe backrest ofthevehicle seat.
Afterthechildrestraint system has beenremoved,replacethe headrestraints againimmediately and adjustthem correctly.
sFor certainchildrestraint systems inweightgroup 2 or 3,there may berestrictions inthe maximum size setting, e.g. duetopossi‐ble contact with theroof.
sThechildrestraint system must not beten‐sioned betweentheroof andthe seat cush‐ion and/or be installedfacingthe wrongdirection. Where possible, adjustthe seatcushion inclination accordingly.
sThechildrestraint system must not be putunderstrainbythe headrestraints.Adjustthe headrestraints accordingly.
1LATCH-type (ISOFIX) mounting bracket
Beforeevery trip, make surethattheLATCH-type(ISOFIX)childrestraint system is engaged cor‐rectly in bothmounting brackets inthevehicle.
NOTEBe careful nottodamagethe seatbeltforthe center seat when installingthechildrestraint system
Make surethatthe seat belt is not trap‐ped.
AttachtheLATCH-type (ISOFIX)childrestraint systemtobothmounting bracketsinthevehicle.
SecuringTopTether
\nWARNINGRisk of injuryor death iftherear seat backrests are not locked afterinstallingTopTether belts
Iftherear seat backrests are not locked,theycouldfoldforwards intheevent of an acci‐dent or during braking or suddenchanges ofdirection.
As aresult,childrestraint systems cannotperformtheir intended protective function.Rear seat backreststhat are not locked can
56Occupant safety

do not interferewiththe correctrouting ofTopTether belt4.
Securingthechildrestraint system withtheseat belt
Securingthechildrestraint system withtheseat belt ontherear seat
\nWARNINGRisk of injuryiftherearbenchseat/rear seat and seat backrestare not engaged
Iftherear benchseat/rear seat and seatbackrest are not engagedtheycouldfoldfor‐wards, e.g. when braking suddenly or intheevent of an accident.
RIfthis isthe case,thevehicle occupantwould beforced intothe seat beltbytherear benchseat/rear seat orbythe seatbackrest. The seat belt cannotprotect asintended and couldresult in additionalinjury.
RObjects or loads inthe trunk/cargo com‐partment cannotberestrainedbytheseat backrest.
Make surethatthe seat backrest andtherear benchseat/rear seat areengaged beforeeverytrip.
Iftherear seat backrest is not engaged andlocked,thered lockverification indicator will bevisible.
When installing a belt-securedchildrestraintsystem, observethefollowing:
sAlways comply withthe manufacturer'sinstallation and operating instructionsforthechildrestraint system used.
sWhen using a category 0/0+ baby carseat and a category Irearward-facingchildrestraint system on arear seat:adjustthe front seat sothatthe seat doesnottouchthechildrestraint system.
sWhen using a category Iforward-facingchildrestraint system:removethe headrestraint fromtherespective seat, if possi‐ble.
Afterremovingthechildrestraint system,replacethe headrestraints again immedi‐ately and adjustthem correctly.
sThe backrestoftheforward-facingchildrestraint system must, asfar as possible, beresting onthe seat backrest oftherearseat.
sFor certainchildrestraint systems inweightcategory II or III,there may berestrictions inthe maximum size setting, e.g. duetopossi‐ble contact with theroof.
sThechildrestraint system must not be putunderstrain betweentheroof andthe seatcushion and/or be installedfacingthewrong direction. Where possible, adjusttheseat cushion inclination accordingly.
sThechildrestraint system must not be putunderstrainbythe headrestraints.Adjustthe headrestraints accordingly.
sMake surethatthechild'sfeetdo nottouchthe front seat. If necessary,movethe frontseatforward slightly.
58Occupant safety

Securingthechildrestraint system withtheseat belt onthe front passenger seat
When installing a belt-securedchildrestraintsystem onthe front passenger seat, alwaysobservethefollowing:
sObservethechildrestraint system manufac‐turer's installation and operating instruc‐tions.
sWhen using aforward-facingchildrestraintsystem in Group I:removethe headrestraint fromtherespective seat, if possi‐ble.
Whenyouremovethechildrestraint sys‐tem, installthe headrestraint again immedi‐ately and adjust allthe headrestraints cor‐rectly.
sThe backrestoftheforward-facingchildrestraint system must lie asflat as possibleagainstthe backrest ofthe front passengerseat.
sFor certainchildrestraint systems inweightgroup II or III,there may berestrictions inthe maximum size setting, e.g. duetopossi‐ble contact with theroof.
sThechildrestraint system must not be putunderstrain betweentheroof andthe seatcushion and/or be installedfacingthewrong direction.Adjustthe seat backrestinclination accordingly.
sThechildrestraint system must not be putunderstrainbythe headrestraints.Adjustthe headrestraints accordingly.
sNever place objects under or behindthechildrestraint system, e.g. cushions.
The seat belt onthe front passenger side isequipped with a special seatbeltretractor.
When activated,the special seatbeltretractorensuresthatthe seat belt does not slacken oncethechildrestraint system is secured(page54).
Setthe front passenger seat asfar back aspossible and movethe seat intothe highestposition.
Fullyretractthe seat cushion length adjust‐ment.
Adjustthe seat cushion inclination sothatthe front edge ofthe seat cushion is inthe
highest position andtherear edge oftheseat cushion is inthe lowestposition.
Setthe seat backresttoan almostverticalposition.
Installthechildrestraint system.The entire base ofthechildrestraint systemmust alwaysrestonthe seat cushion ofthefront passenger seat.
Always make surethatthe shoulder beltstrap is correctlyrouted fromthe seat beltoutlet ofthevehicletothe shoulder beltguide onthechildrestraint system.The shoulder beltstrap must beroutedfor‐wards and downwards fromthe seat belt out‐let.
If necessary,adjustthe seat belt outlet andthe front passenger seat accordingly.
60Occupant safety

Tointerruptautomatic operation:press orpullthebbutton again.
Whenthevehicle is switched off,the side win‐dowscan continue being operated.
The function isavailablefor aroundfiveminutesor until a front door is opened.
Automaticreversing function ofthe side win‐dowsIf an object blocksa side windowduringtheclosing process,the side window opens againautomatically.The automaticreversing functionis only an aid and is not a substituteforyourattentiveness.
When closing, make surethat no body partsare inthe closing area.
\nWARNINGRisk of becoming trappeddespitethere beingreversing protectiononthe side window
Thereversing function does notreact:
RTosoft, light andthin objects, e.g.fingers
RDuringresetting
This meansthatthereverse function cannotprevent someone from becoming trapped inthese situations.
When closing, make surethat no bodyparts are inthe closing area.
If someone becomes trapped, pressthebbuttontoopenthe side windowagain.
Convenience opening (ventilatingthevehiclebeforestarting a journey)
\nWARNINGRisk of entrapment whenopening a side window
When opening a side window,parts ofthebody could be drawn in or become trappedbetweenthe side window and window frame.
When opening, make surethat nobodyistouchingthe side window.
Releasethe button immediately ifsomebody becomes trapped.
Press and holdthe6button ontheSmartKey.
Thefollowing functions are performed:
RThevehicle is unlocked.
RThe side windowsare opened.
RThe sliding sunroof is opened.
RThe panoramic sliding sunroof is opened.
RThe seatventilation ofthe driver's seat isswitched on.
Iftheroller sunblinds ofthe panoramic slidingsunroof are closed,theroller sunblinds areopenedfirst.
Tointerruptconvenience opening:releasethe6button.
Tocontinue convenience opening:pressand holdthe6button again.
Opening and closing81