2019 MERCEDES-BENZ C CLASS trunk

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

1Operatesthe memory function→102
2Adjuststhe seats electrically→95
3Switchesthe seat heater on/off→98
4Switchesthe seatventilation on/off→99
5Operatesthe outside mirrors→13 4
6Opens/closesthe trunk lid→73
7bOpens/closestheright side window→80
8bOpens/closesthe left side window→80
9bOpens/closestherearright side win‐dow
→80
AbOpens/closestherear left side window→80
BChild safety lockfortherear side windows→62
COpensthe door→69
D76Locks/unlocksthevehicle→69
EAdjuststhe 4-waylumbar support→95
FSetsthe seatfore-and-aft adjustment→91
GSeat adjustment usingthe multimedia system→97
HAdjuststhe headrestraints→96
IAdjuststhe seat height→91
JAdjuststhe seat backrest inclination→91
Ataglance – Door control panel and seat adjustment17

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.
\nWARNINGRisk of injuryor death ifthepermissible gross mass ofthechild andchildrestraint system isexceeded
ForLATCH-type (ISOFIX)childrestraint sys‐tems in whichthechild is secured usingtheintegrated seat belt inthechildrestraint sys‐tem,the permissible gross mass ofthechildandchildrestraint system is73lb (33kg).
Ifthechild andthechildrestraint systemtogetherweigh morethan73lb (33kg),theLATCH-type (ISOFIX)childrestraint systemwith integrated seat belt does not offer suffi‐
cient protection. Anexcessive load may beplaced ontheLATCH-type (ISOFIX)child seatattachments andthechild may not berestrained intheevent of an accident,forexample.
Ifthechild andthechildrestraint sys‐temtogetherweigh morethan73lb(33kg), useonly aLATCH-type (ISOFIX)childrestraint systemthat securesthechild withthevehicle seat belt.
Also securethechildrestraint systemwiththeTopTether belt, ifavailable.
Always comply withthe information aboutthemass ofthechildrestraint system:
Rinthe manufacturer's installation and operat‐ing instructionsforthechildrestraint systemused
Ron a label onthechildrestraint system, ifpresent
Regularlycheckthatthe permissible gross massofthechild andchildrestraint system isstillcomplied with.
Whenyou are installing achildrestraint system,observethefollowing:
sAlways observethe correct use andthe suit‐ability ofthe seatsfor attaching achildrestraint system.
sAlways comply withthe manufacturer'sinstallation and operating instructionsforthechildrestraint system used.
sMake surethatthechild'sfeetdo nottouchthe front seat. If necessary,movethe frontseatforward slightly.
Whenyou are installing aLATCH-type(ISOFIX)childrestraint system, observethefol‐lowing:
sWhenyou are using a Group 0/0+ babycar seat and a Group 1rearward-facingchildrestraint system on arear seat:adjustthe front seat sothatthe seat doesnottouchthechildrestraint system.
sWhenyou are using a Group 1forward-facingchildrestraint system:removetheheadrestraint fromtherespective seat, if
Occupant safety55

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

SmartKey
Overview of SmartKeyfunctions
\nWARNINGRisk of accident and injuryduetochildren left unattended inthevehicle
Ifchildren are left unattended inthevehicle,theycould:
ROpen doors,thereby endangeringotherpersons orroad users.
RGet out ofthevehicle and be hitbyoncoming traffic.
ROperate vehicle equipment and becometrapped,forexample.
In addition,children could also setthevehi‐cle in motion,forexample,by:
RReleasingthe parking brake.
RShiftingthe automatic transmission outof park position]or shifting manualtransmission into neutral.
RStartingthe engine
When leavingthevehicle, alwaystakethe SmartKeywithyou and lockthevehicle.
Never leavechildren and animals unat‐tended inthevehicle.
Keepthe SmartKeyout ofreach ofchil‐dren.
NOTEDamagetothekey causedbymagneticfields
Keepthekeyawayfromstrong mag‐neticfields.
1Locks
2Batterycheck lamp
3Unlocks
4Opens/closesthe trunk lid
5Panic alarm
The SmartKey mayvaryfromthe one showninthe diagram, depending onthevehicleequipment.
The SmartKeylocksand unlocksthefollowingcomponents:
Rthe doors
Rthe trunk lid
Rthe fuelfillerflap
64Opening and closing

Thevehicle is not unlocked:
RIfyou havelockedthevehicle usingtheSmartKey.
RIfyou havelockedthevehicle using KEY‐LESS-GO.
Locking/unlockingthevehicle with KEY‐LESS-GO
RequirementsRThe SmartKeyis outsidethevehicle.
RThe distance betweenthe SmartKeyandthevehicle does notexceed 3ft(1 m).
RThe driver's door andthe door at whichthedoor handle is used are closed.
Tounlockthevehicle:touchthe inner sur‐face ofthe door handle.
Tolockthevehicle:touch sensor surface1or2.
Convenience closing:touchrecessed sen‐sor surface2untilthe closing procedure iscomplete.
Further information on convenience closing(page82).
Ifyou openthe trunk lid from outside it is auto‐matically unlocked.
Problems with KEYLESS-GO
ProblemPossible causes/consequences andPPSolutions
You can no longer lock or unlockthevehicle using KEYLESS-GO.Possible causes are:
RThe SmartKeyfunctions havebeen deactivated (page 65).
RThe SmartKeybattery is discharged or nearlydischarged.
70Opening and closing

Tounlock:turnthe emergencykey counter-clockwisetopositionG.
Tolock:turnthe emergencykey clockwisetopositionG.
Carefully pressthe cover ontothe lock cylin‐der until it engages and is seatedfirmly.
Trunk
Openingthe trunk lid
\nDANGERRisk ofexhaustgas poisoning
Combustion engines emit poisonousexhaustgases such as carbon monoxide. Exhaustgases can enterthevehicle interior ifthetrunk lid is open whenthe engine isrunning,especially ifthevehicle is in motion.
Always switch offthe engine beforeopeningthe trunk lid.
Never drive withthe trunk lid open.
NOTEDamagetothe trunk lidbyobsta‐cles abovethevehicle
The trunk lid swings upwards when it isopened.
Therefore, make surethatthere is suffi‐cient clearance abovethe trunk lid.
You havethefollowing optionsfor openingthe trunk lid:
Pullthe trunk lid handle.
Pull trunk lidremoteoperating switch1.
Press and holdthe

Vehicles with trunk lid convenience clos‐ingfeature:With the trunk lidstopped in anintermediate position, pull it upwards andrelease it as soon as it beginstoopen.With the trunk lid opening heightrestrictionactivated, manually pullthestopped trunk lidupwards.
Vehicles with trunk lid convenience closingfeature:If an objectrestrictsthe trunk lid duringthe automatic opening process, obstacle detec‐tion willstopthe trunk lid. The obstacle detec‐tion function is only an aid and is not a substi‐tuteforyour attentiveness.
Closingthe trunk lid
\nWARNINGRisk of injuryfrom unsecureditems inthevehicle
If objects, luggage or loads are not securedor not secured sufficiently,theycould slip,tipover or bethrown around andthereby hitvehicle occupants.
There is arisk of injury,particularly intheevent of sudden braking or a suddenchangein direction.
Alwaysstowobjects in such awaythattheycannot bethrown around.
Beforethe journey,secure objects, lug‐gageor loads against slipping or tippingover.
Comply withthe loading guidelines whenyou areloadingthevehicle.
\nWARNINGRisk of becoming trappedduring automatic closing ofthe trunk lid
Parts ofthe body could become trapped dur‐ing automatic closing ofthe trunk lid. More‐over,people, e.g.children, may bestandinginthe closing area or may enterthe closingarea duringthe closing process.
Make surethat nobody is inthe vicinityofthe closing area duringthe closingprocess.
Use one ofthefollowing optionstostopthe closing process:
RPressthe