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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
G cLeftstanding light
H dRightstanding light
I `Parking lights and license plate lamp
J XAutomatic driving lights (preferred lightswitch position)
K XLow beam/high beam
6 ^Switchestherearfog lights on or off
When low beam is activated,the `indicatorlampforthe parking lights is deactivated andreplacedbythe Xlow 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 ontheright dor left cparking 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.
Light and visibility14 5
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RObservethe notes on surround lighting(→page149).
Automatic driving lights functionThe parking lights, low beam and daytimerun‐ning lamps are switched on automaticallydepending onthe ignitionstatus andthe ambi‐ent light.
&WARNINGRisk of accident whenthe lowbeam is switched off in poor visibility
Whenthe light switch is setto X,the lowbeam may not be switched on automaticallyifthere isfog, snow orother causes of poorvisibility such as spray.
#In such cases, turnthe light switchto X.
The automatic driving lights are only an aid.Yo uareresponsibleforvehicle lighting.
Switchingtherearfog lights on or off
Requirements:RThe light switch is inthe Xor Xposi‐tion.
#Pressthe ^button.
Please observethe country-specific lawsontheuse ofrearfog lamps.
Operatingthe combination switchfor thelights
1High-beam headlamps
2Turnsignal indicator,right
3High-beamflasher
4Turnsignal light, left
#Usethe combination switchtoactivatethedesired function.
14 6Light and visibility
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High-beam headlamps
#Toswitch on:turnthe light switchtothe Xor Xposition.
#Pressthe combination switch beyondthepoint ofresistance inthe direction of arrow1.Whenthe high beam is activated,the Xindicator lampfor low beam will be deactiva‐ted andreplacedbythe Windicator 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 has indicated immediatelybeforehand but a lanechange isthen notpossible,the turn signal indicator mayactivate automatically.
Activating/deactivating the hazardwarninglights
#Press button1.
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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
&WARNINGRisk 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
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.
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TheAdaptive Highbeam Assist automaticallyswitches betweenthefollowing types of light:
RLow-beam headlamps
RHigh-beam headlamps
Atspeeds above19mph (30 km/h):
RIf nootherroad users are detected,the highbeam is switched on automatically.
The high beam switches off automatically:
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/off#Toswitch on:turnthe light switchtothe Xposition.
#Switch onthe high beam usingthe combina‐tion switch.Whenthe high beam is switched on automat‐ically inthe dark,the
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Display messagesPossible causes/consequences and P PSolutions
#Openthe windowtoensurethatthere is an adequate supply of fresh air.
#Visit aqualified specialistworkshop immediately.
Lights
Display messagesPossible causes/consequences and P PSolutions
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.
%LED light bulbs:the display messageforthe corresponding lamp appearsonly when allthe light-emitting diodesinthe lamp havefailed.
I
*The active headlamps are defective.
#Visit aqualified specialistworkshop.
520Display messages andwarning/indicator lamps
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Display messagesPossible causes/consequences and P PSolutions
Active Headlamps Inopera-tive
I
Switch Off Lights
*You are leavingthevehicle andthe lights arestill switched on.
#Turnthe light switchtothe Xposition.
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 switchtothe Xor Xposition.
I
Automatic Headlamp ModeInoperative
*The light sensor isfaulty.
#Consult aqualified specialistworkshop.
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Warning and indicator lamps
Overview ofwarning and indicator lamps
Some systems will performa self-test whentheignition is switched on. Somewarning and indi‐cator lamps may brieflylight up orflash. Thisbehavior is non-critical. Thesewarning and indi‐cator lamps indicate a malfunction only iftheylight up orflash afterthe engine has beenstar‐ted or during a journey.
Instrument Display
Progressive setting
Ifyou selectthe progressive display setting,thepositions ofthe indicator lamps onthe instru‐ment display willchange.
Warning and indicator lamps: XLow beam(→page145)
`Parking lights (→page145)
WHigh beam(→page146)
> =Turnsignal lights(→page146)
^Rearfog light(→page145)
uRestraint system(→page 524)
