Page 119 of 530
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 visibility117
Page 120 of 530
RObservethe notes on surround lighting(→page121).
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 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
2Turnsignal indicator,right
3High-beamflasher
4Turnsignal indicator, left
Usethe combination switchtoactivatethedesired function.
11 8Light and visibility
Page 121 of 530
High beam
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 indicated immediately before‐hand but a lanechangewas not immedi‐ately possible,the turn signal indicatormay activate automatically.
Activating/deactivating the hazardwarninglights
Press button1.
Light and visibility11 9
Page 122 of 530
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
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.
12 0Light and visibility
Page 123 of 530
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/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
Page 474 of 530
Display messagesPossible causes/consequences and P PSolutions
Malfunction See Opera-tor’s Manual
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.
I
Hazard Warning FlashersMalfunctioning
*The hazardwarning light switch is defective.
Visit aqualified specialistworkshop.
Adaptive Highbeam AssistInoperative
*Adaptive Highbeam Assist is malfunctioning.
Visit aqualified specialistworkshop.
*Adaptive Highbeam Assist istemporarily unavailable.
The system limits havebeenreached (→page120).
472Displaymessages andwarning/indicator lamps
Page 475 of 530
Display messagesPossible causes/consequences and P PSolutions
Adaptive Highbeam AssistCurrently Unavailable SeeOperator's Manual
Drive on.Oncethe cause ofthe problem is no longer present,the system will beavailable again. TheAdaptive HighbeamAssist Now Availabledisplay message appears.
Adaptive Highbeam AssistCamera View RestrictedSee Operator's Manual
*The camera view isrestricted.Possible causes are:
RDirt onthe windshield inthe camera'sfield of vision
RHeavyrain, snow orfog
Driving systems and driving safety systems may be malfunctioning ortemporarily unavailable.
Oncethe cause ofthe problem is no longer present, driving systems and driving safety systems will beavailableagain.
Ifthe display message does not disappear:
Pullover andstopthevehicle safely as soon as possible, paying attentiontoroad and traffic conditions.
Cleanthe windshield.
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 ifthey
light up orflash afterthe engine has beenstar‐ted or during a journey.
Displaymessages andwarning/indicator lamps473
Page 476 of 530
Instrument Display (standard)
Widescreen Cockpit Instrument Display
Progressive setting
Vehicles with aWidescreen Cockpit:Ifyouselectthe progressive display setting,the posi‐tions ofthe indicator lamps onthe InstrumentDisplay willchange.
Warning and indicator lamps: XLow beam (→page117)
`Parking lights (→page117)
WHigh beam (→page118)
> =Turnsignal indicators (→page118)
^Rearfog light (→page117)
uRestraint system (→page475)
