low beam MERCEDES-BENZ C CLASS 2019 Owners Manual

1Speedometer→226
2>=Indicators→124
3Multifunction display→230
4^Rearfog light→12 3
5WHigh beam→124
XLow beam→12 2
`Parking lights→12 2
6Tachometer→226
7

Exterior lighting
Information about lighting systems andyourresponsibility
Thevarious lighting systems ofthevehicle areonly aids. The driver ofthevehicle isresponsiblefor correctvehicle illumination in accordancewiththe prevailing light and visibility conditions,legalrequirements and traffic situation.
Light switch
Operating the light switch
GcLeftstanding light
HdRightstanding light
I`Parking lights and license plate lamp
JXAutomatic driving lights (preferred lightswitch position)
KXLow beam/high beam
6^Switchestherearfog lights on or off
When low beam is activated,the`indicatorlampforthe parking lights is deactivated andreplacedbytheXlow beam indicator lamp.
Always parkyourvehicle safely and in awell-lit area, in accordance withtherelevant legalstipulations.
NOTEBattery dischargingbyoperatingthestanding lights
Operatingthestanding lightsover a period ofhours puts astrain onthe battery.
Where possible, switch ontherightdor leftcparking light.
Inthe case of severebattery discharging,thestanding lights or parking lights are automati‐cally switched offtofacilitatethe next enginestart.
Theexterior lighting (exceptstanding and park‐ing lights) switches off automatically whenthedriver's door is opened.
12 2Light and visibility

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

Activating/deactivating the hazardwarninglights
Press button1.
Cornering light
Cornering light function
The cornering light improvesthe illumination oftheroadwayover a wide angle inthe turningdirection, enabling better visibility on tightbends,forexample. It can be activated onlywhenthe low beam is switched on.
The function is active:
RAtspeeds below 25mph (40 km/h) whenthe turn signal light is switched on orthesteering wheel is turned
RAtspeeds between 25mph (40 km/h) and45mph (70 km/h) whenthesteering wheelis turned
Traffic circle and intersection function:thecornering light is activated on bothsidesthroughanevaluation ofthe current GPS position ofthevehicle. Itremains active until afterthevehiclehas leftthe traffic circle orthe intersection.
Adaptive Highbeam Assist
Adaptive Highbeam Assist function
\nWARNINGRisk of accident despiteAdaptive Highbeam Assist
Adaptive Highbeam Assist does notrecog‐nizethefollowingroad users:
RRoad users without lights, e.g. pedes‐trians
RRoad users with poor lighting, e.g.cyclists
RRoad users whose lighting is obstructed,e.g.bya barrier
Light and visibility12 5

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

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

Lights
Display messagesPossible causes/consequences andPPSolutions
I
Intell. Light System Inoper-ative
*The Intelligent Light System is defective. The lighting system continuestofunction properly withoutthe functions ofthe Intelligent Light System.
Visit aqualified specialistworkshop.
I
Check Left LowBeam(Example)
*The corresponding light source is defective.
Drive on carefully.
Visit aqualified specialistworkshop immediately.
or
Check whetheryou are permittedtoreplacethe light sourceyourself (page129).
LED light bulbs:the display messageforthe corresponding lamp appearsonly when allthe light-emitting diodesinthe lamp havefailed.
I
Active Headlamps Inopera-tive
*The active headlamps are defective.
Visit aqualified specialistworkshop.
476Displaymessages andwarning/indicator lamps

Display messagesPossible causes/consequences andPPSolutions
I
Switch Off Lights
*You are leavingthevehicle andthe lights arestill switched on.
Turnthe light switchtotheXposition.
I
Malfunction See Opera-tor’s Manual
*Theexterior lighting is defective.
Visit aqualified specialistworkshop.
I
Switch On Headlamps
*You are driving without low-beam headlamps.
Turnthe light switchtotheXorXposition.
I
Automatic Headlamp ModeInoperative
*The light sensor isfaulty.
Consult aqualified specialistworkshop.
*Adaptive Highbeam Assist is malfunctioning.
Display messages andwarning/indicator lamps477