2019 MERCEDES-BENZ C CLASS headlamp

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

RObservethe notes on surround lighting(page127).
Automatic driving lights functionThe parking lights, low beam and daytimerun‐ning lamps are switched on automaticallydepending onthe ignitionstatus andthe ambi‐ent light.
\nWARNINGRisk of accident whenthe lowbeam is switched off in poor visibility
Whenthe light switch is settoX,the lowbeam may not be switched on automaticallyifthere isfog, snow orother causes of poorvisibility such as spray.
In such cases, turnthe light switchtoX.
The automatic driving lights are only an aid.Yo uareresponsibleforvehicle lighting.
Switchingtherearfog lights on or off
Requirements:RThe light switch is intheXorXposi‐tion.
Pressthe^button.
Please observethe country-specific lawsontheuse ofrearfog lamps.
Adjusting the headlamprange (vehicles withhalogen headlamps)The headlamprange adjuster allowsyoutoadjustthe cone of light fromthe headlamps inrelationtothevehicle's load condition.
ZDriver's seat and front passenger seat occu‐pied
GDriver's seat, front passenger seat andrearseats occupied
HDriver's seat, front passenger seat andrearseats occupied, trunk laden
IDriver's seat and front passenger seat occu‐pied and maximum permissiblerear axleload utilized
Light and visibility12 3

Turnthe headlamprange adjustertothepositionthat correspondstothe load condi‐tion ofyourvehicle.
Operatingthe combination switchfor thelights
1High beam
2Turnsignal indicator,right
3High-beamflasher
4Turnsignal indicator, left
Usethe combination switchtoactivatethedesired function.
High beam
Toswitch on:turnthe light switchtotheXorXposition.
Pressthe combination switch beyondthepoint ofresistance inthe direction of arrow1.Whenthe high beam is activated,theXindicator lampfor low beam will be deactiva‐ted andreplacedbytheWindicator lampfor high beam.Toswitch off:movethe combination switchbacktoitsstarting position.
High-beam flasher
Pullthe combination switch inthe directionof arrow3.
Turnsignal lights
Toindicate briefly:pressthe combinationswitch brieflytothe point ofresistance inthedirection of arrow2or4.The corresponding turn signal indicator willflashthree times.
Toindicate permanently:pressthe combi‐nation switch beyondthe point ofresistanceinthe direction of arrow2or4.
Vehicles withActive Lane Change Assist:
RIndicator operation activatedbythe drivercanextendforthe duration ofthe lanechange.
RIfthe driver indicated immediately before‐hand but a lanechangewas not immedi‐ately possible,the turn signal indicatormay activate automatically.
124Light and visibility

Onveryrareoccasions,Adaptive HighbeamAssist mayfailtorecognizeotherroad userswiththeirown lighting, or mayrecognizethemtoo late.
Inthese or similar situations,the automatichigh beam is not deactivated or is activateddespitethe presence ofotherroad users.
Always observethe traffic carefully andswitch offthe high beam in good time.
Adaptive Highbeam Assist cannottakeintoaccountroad,weather or traffic conditions.
Detection may berestricted inthefollowingcases:
Rin poor visibility,e.g.fog, heavyrain or snow
Rifthere is dirt onthe sensors orthe sensorsare obscured
Adaptive Highbeam Assist is onlyan aid.You areresponsiblefor adjustingthevehicle's lightingtothe prevailing light, visibility and traffic condi‐tions.
TheAdaptive Highbeam Assist automaticallyswitches betweenthefollowing types of light:
RLow-beam headlamps
RHigh beam
Atspeeds above19mph (30 km/h):
RIf nootherroad users are detected,the highbeam will be switched on automatically.
The high beam switches off automatically inthefollowing cases:
RAtspeeds below16mph (25 km/h).
RIfotherroad users are detected.
RIfstreetlighting is sufficient.
Atspeeds aboveapproximately31mph(50 km/h):
RThe headlamprange ofthe low beam isregu‐lated automatically based onthe distancetootherroad users.
The system's optical sensor is located behindthe windshield neartheoverhead control panel.
SwitchingAdaptive Highbeam Assist on/offToswitch on:turnthe light switchtotheXposition.
Switch onthe high beam usingthe combina‐tion switch.Whenthe high beam is switched on automat‐ically inthe dark,the

Adjusting the ambient lighting
Multimedia system:
Vehicle÷Light SettingsAmbient Light
Settingthe color
SelectColor.
Set a color.
Adjusting the brightness
SelectBrightness.
Set a brightnessvalue.
Activating the brightnessfor zones
SelectBrightness Zones.
Activatesor deactivateSthe function.TheDisplay,FrontandRearzones can be setseparately.
Settingthe interior lighting switch-off delaytime
Multimedia system:
Vehicle÷Light SettingsInt. Light Switch Off
Setthe switch-off delay time.
Changing bulbs (onlyforvehicles with halo‐gen headlamps)
Notes onchanging bulbs
\nWARNINGRisk of burns from hot com‐ponent parts whilstreplacing a bulb
Bulbs, lamps and plugs can becomeveryhotduring operation.
Whenreplacing a bulb,you could burnyour‐self onthese component parts.
Allowthe component partstocooldown beforereplacingthe bulb.
RDo not use a bulb if it has been dropped or ifitsglass has been scratched. The bulb mayotherwiseexplode.
RDo nottouchtheglass bulb withyour barehands.
RProtect bulbs from moisture and do not allowbulbstocome into contact withliquids.
12 8Light and visibility

Overview ofthe bulbstobechanged
Halogen headlamps
1Turnsignal indicator: PWY24W bulb
2High beam: H7 55 W bulb
3Low beam: H7 55 W bulb
Tail lamps
1Turnsignal indicator: PY21W bulb
2Reversing light: W16W bulb
Changingthe front bulbs (vehicles with halo‐gen headlamps)
Removing and installingthe cover in thefront wheel housing
Requirements:RThe lighting system is switched off.
RThe appropriate front wheel is turnedinwards.
Light and visibility12 9

Toremove:using a suitable object, turn twomounts1of cover2in an counter-clock‐wise direction asfar astheywill go.
Removethe unlocked cover2fromthewheel archlinerbypulling it upwards.
Toinstall:insert cover2at bottom ofthewheel archliner.
Using a suitable object, turnthe two mounts1ofthe cover2in clockwise direction asfar astheywill go.
Replacing bulbs in the halogen headlamp
RequirementsThe lighting system is switched off.
Low beam/high beam:
RA H7 55 W light bulb isavailable.
RThe hood is open.
Turnsignal lights:
RA PWY24W light bulb isavailable.
RThe cover inthe front wheel archhas beenremoved.
1Low-beam headlamps
2High beam
3Turnsignals
Turntherelevant housing cover1–3coun‐ter-clockwise andremoveit.
Low beam / high beam:turnthe socketcounter-clockwise andremoveit.
Indicator:turnthe socket counter-clockwise,release it andremoveit.
Pullthe bulb out ofthe socket.
Insertthe new bulb intothe socket suchthatthe entire base ofthe bulb isresting onthebottom ofthe socket.
Insertthe socket and turn it clockwise.
Press onthe housing cover and turn it clock‐wise.
Turnsignal lights:installthe cover inthefront wheel arch.
Changingtherear bulbs (vehicles withhalo‐gen headlamps)
Opening and closingthe side trim panels inthe trunk
Toopen:releaseright-hand or left-hand sidetrim panels1atthetop andremove.
Toclose:re-insert side trim panel1.
13 0Light and visibility

Adjusting the outside mirrors
Press button3or4toselectthe outsidemirrortobe adjusted.
Press button2toadjustthe position ofthemirrorglass.
Engagingthe outside mirrors
Vehicles without electricallyfolding out‐side mirrors:manually movethe outsidemirror intothe correct position.
Vehicles with electricallyfolding outsidemirrors:press and hold button1.You will hear a click andthe mirror will audi‐bly engage in position. The outside mirror issettothe correct position.
Automatic anti-glare mirrorsfunction
\nWARNINGRisk of burns and poisoningduetothe anti-glare mirror electrolyte
Electrolyte may escape iftheglass in anautomatic anti-glare mirror breaks.
The electrolyte is harmful and causes irrita‐tion. It mustnot come into contact withyourskin,eyes,respiratory organs or clothing orbe swallowed.
Ifyou come into contact with electro‐lyte, observethefollowing:RRinsethe electrolyte fromyour skinand seek medical attention immedi‐ately.
RIf electrolyte comes into contactwithyoureyes,rinsethemthor‐oughly with cleanwater and seekmedical attention immediately.
RIfthe electrolyte is swallowed,immediatelyrinseyour mouth outthoroughly. Do not inducevomiting.Seek medical attention immediately.
RImmediatelychange out of clothingwhich has come into contact withelectrolyte.
RIf an allergicreaction occurs, seekmedical attention immediately.
The insiderearview mirror andthe outside mir‐ror onthe driver's side automatically go intoanti-glare mode if light from a headlamp hitsthesensor onthe insiderearview mirror.
System limitations
The system does not go into anti-glare mode inthefollowing situations:
Rthe engine is switched off
Rreversegear is engaged
Rthe interior lighting is switched on
Function ofthe front-passenger outside mir‐ror parking position
The parking position makes parking easier.
The front-passenger outside mirror tilts down‐wards and shows therear wheel onthe front-passenger side inthefollowing situations:
Rthe parking position isstored(page136)
Rthe passenger mirror is selected
Rreversegear is engaged
Light and visibility13 5