2019 MERCEDES-BENZ C CLASS sunroof

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

\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

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

Convenience closing (closingthevehiclefrom outside)
\nWARNINGRisk of entrapment causedbyinadvertent convenience closing
Whenthe convenience closingfeature isoperating, parts ofthe body could becometrapped inthe closing area ofthe side win‐dow andthe sliding sunroof.
Observethe completeclosing proce‐durewhen using convenience closing.
When closing, makesurethat no bodyparts are inthe closing area.
Press and holdthe7button ontheSmartKey.
Thefollowing functions are performed:
RThevehicle is locked.
RThe side windowsare closed.
RThe sliding sunroof is closed.
RThe panoramic sliding sunroof is closed.
Tointerruptconvenience closing:releasethe7button.
Toclosetheroller sunblinds:press andholdthe7button again.
Convenience closing can also be operatedwithKEYLESS-GO (page 70).
Problems withthe side windows
ProblemPossible causes/consequences andPPSolutions
A side window cannotbe closed andyou cannot seethe cause.
Checktosee whether any objects are inthe window guide.
\nWARNINGRisk of becoming trapped orfatally injured ifreversing protection is not activated
Ifyou close a side windowagain immediately after it has been blocked orreset,the side window closeswith increased or maximumforce. Thereversingfeature isthen not active.
Parts ofthe body could become trapped inthe closing area inthe process.
82Opening and closing

ProblemPossible causes/consequences andPPSolutions
Make surethat no parts ofthe body are inthe closing area.
Tostopthe closing process,releasethe button or pressthe button againtoreopenthe side win‐dow.
If a side window is obstructed during closing andreopens again slightly:
Immediately afterthe window is blocked, pullthe corresponding switch again untilthe side window hasclosed, and holdthe switchfor an additional second.The side window will be closed with increasedforce.
If a side window is obstructed again during closing andreopens again slightly:
Repeatthe previousstep.The side window is closed withoutthe automaticreversing function.
The side windowscannot be opened orclosed usingthe convenience openingfeature.
The SmartKeybattery is discharged or nearly discharged.
Checkthe battery usingthe batterycheck lamp andreplace if necessary (page 66).
Sliding sunroof
Opening and closingthe sliding sunroof
Theterm"sliding sunroof" alsoreferstothepanoramic sliding sunroof.
Opening and closing83

\nWARNINGRisk of becoming trappedwhile opening and closingthe slidingsunroof
During opening and closing, parts ofthebody couldgetcaught inthe sweep ofthesliding sunroof.
When opening or closing, make surethat no body parts are inthe sweep.Releasethe button immediately ifsomebody becomes trapped.
or
Pressthe button in any direction duringthe automatic opening/closing process.The opening/closing process isstop‐ped.
\nWARNINGRisk of becoming trapped ifthe sliding sunroof is operatedbychil‐dren
Children operatingthe sliding sunroof couldgetcaught inthe moving parts, particularly ifunattended.
Never leavechildren unattended inthevehicle.
When leavingthevehicle, alwaystakethekey withyou and lockthevehicle.
\nWARNINGRisk of becoming trappedwhile opening and closingtheroller sunblind
When opening or closing, make surethat nobody parts become trapped betweentheroller sun blind and frame orthe sliding sun‐roof.
When opening or closing, make surethat no body parts are inthe sweep oftheroller sun blind.Releasethe button immediately ifsomebody becomes trapped.
or
Pressthe button in any direction duringthe automatic opening/closing process.The opening/closing process isstop‐ped.
NOTEMalfunction causedbysnow andice
Snow and ice may leadtoa malfunction ofthe sliding sunroof.
Only openthe sliding sunroof if it is freeof snow and ice.
NOTEDamagecausedbyprotrudingobjects
Objectsthat protrude fromthe sliding sun‐roof may damagethe sealingstrips.
Do not allow anythingtoprotrude fromthe sliding sunroof.
NOTEImportant pointstorememberwhen aroofrackis installed
When aroofrackis installed,raising or open‐ingthe sliding sunroof may be limited.
Check whetherthe sliding sunroof canberaised or opened when aroofrackisinstalled.
84Opening and closing

If in doubt, do notraise or openthesliding sunroof.
1Toraise
2Toopen
3Toclose/lower
UsetheWbuttontooperatethe panoramicsliding sunroof andtheroller sunblind.
RThe panoramic sliding sunroof can be oper‐ated only whentheroller sunblind is open.
RTheroller sunblind can be operated onlywhenthe panoramic sliding sunroof isclosed.
Tostart automatic operation:presstheWbutton beyondthe point ofresistanceor pull andrelease it.
Tointerruptautomatic operation:brieflypresstheWbutton in any direction.The opening/closing process will bestop‐ped.
Vehicles with a panoramic sliding sunroof:The automaticraisingfeature isavailable onlywhenthe sliding sunroof is closed orraised.
Vehicles without a panoramic sliding sun‐roof:The automatic opening andraisingfeatureisavailable only whenthe sliding sunroof isclosed.
Automaticreversing function ofthe slidingsunroofIfthere is an object obstructingthe sliding sun‐roof duringthe closing process,the sliding sun‐
roof will open again automatically.The automaticreversing function is only an aid and is not a sub‐stituteforyour attentiveness.
When closing, make surethat no body partsare inthe closing area.
\nWARNINGRisk of entrapmenteven withthereversing function active
Thereversingfeature does notreact in par‐ticular:
RTosoft, light andthin objects, e.g.fingers
ROverthe last