light MERCEDES-BENZ S CLASS 2019 Owners Manual

Display messagesPossible causes/consequences andPPSolutions
#HaveABS and ESP®checked immediately at aqualified specialistworkshop.
#Carefully drive on a suitablestretch ofroad, making slightsteering movements at a speed above19mph(30 km/h).
#Ifthe display message does not disappear, consult aqualified specialistworkshop immediately. Drive carefully.
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Display messagesPossible causes/consequences andPPSolutions
Detection of arestraint system malfunction:
RTheurestraint systemwarning lamp does not light up whenthe ignition is switched on.
RTheurestraint systemwarning lamp lights up continuously orrepeatedly during a journey.#Visit aqualified specialistworkshop immediately.
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Front Left MalfunctionService Required(Example)
*The correspondingrestraint system is malfunctioning (→page 32).
&WARNINGRisk of injuryorfatal injury duetoa malfunction intherestraint system
Iftherestraint system is malfunctioning,restraint system components may be triggered unintentionally ormight not be triggered at all intheevent of an accident. This may affectthe EmergencyTensioning Device orairbag,forexample.
#Havetherestraint systemchecked andrepaired immediately at aqualified specialistworkshop.
Detection of arestraint system malfunction:
RTheurestraint systemwarning lamp does not light up whenthe ignition is switched on.
RTheurestraint systemwarning lamp lights up continuously orrepeatedly during a journey.
#Visit aqualified specialistworkshop immediately.
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*The corresponding window curtain airbag is malfunctioning (→page 32).
488Display messages andwarning/indicator lamps

Display messagesPossible causes/consequences andPPSolutions
#Openthe windowtoensurethatthere is an adequate supply of fresh air.
#Visit aqualified specialistworkshop immediately.
Lights
Display messagesPossible causes/consequences andPPSolutions
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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.
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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.
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*The active headlamps are defective.
#Visit aqualified specialistworkshop.
520Display messages andwarning/indicator lamps

Display messagesPossible causes/consequences andPPSolutions
Active Headlamps Inopera-tive
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Switch Off Lights
*You are leavingthevehicle andthe lights arestill switched on.
#Turnthe light switchtotheXposition.
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Malfunction See Opera-tor’s Manual
*Theexterior lighting is defective.
#Visit aqualified specialistworkshop.
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Switch On Headlamps
*You are driving without low-beam headlamps.
#Turnthe light switchtotheXorXposition.
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Automatic Headlamp ModeInoperative
*The light sensor isfaulty.
#Consult aqualified specialistworkshop.
Display messages andwarning/indicator lamps521

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)

Warning/indicator lampPossible causes/consequences andPPSolutions
#Havetherestraint systemchecked andrepaired immediately at aqualified specialistworkshop.
#Drive on carefully.
#Observethe messages onthe multifunction display.
#Visit aqualified specialistworkshop immediately.
Seat belts
Warning/indicator lampPossible causes/consequences andPPSolutions
v
Seat beltwarning lamplights up
Thered seat beltwarning lamp will light upfor six seconds oncethe engine hasstarted.
In addition, awarningtone may sound.
The seat beltwarning lampremindsthe driver and front passengertofastentheir seat belts.
#Fastenyour seat belt (→page37).
Ifyou haveplaced objects onthe front passenger seat,the seat beltwarning lamp mayremain lit.
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Seat beltwarning lampflashes
Thered seat beltwarning lampflashes and an intermittentwarningtone sounds.
The driver or front passenger has notfastenedtheir seat belt whilethevehicle is in motion.
#Fastenyour seat belt(→page37).There are objects onthe front passenger seat.
#Removethe objects fromthe front passenger seat.
Display messages andwarning/indicator lamps529

Warning/indicator lampPossible causes/consequences andPPSolutions
Engine diagnosiswarninglampIn somestates, legalrequirementsstipulatethatyou must immediately consult aqualified specialistworkshop as soonastheyellow Check Enginewarning lamp lights up.
#Havethevehiclechecked as soon as possible at aqualified specialistworkshop.
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Electrical malfunctionwarn‐ing lamp
Thered electrical malfunctionwarning lamp is lit.
There is a malfunction inthe electrics.
#Observethe messages onthe multifunction display.

Warning/indicator lampPossible causes/consequences andPPSolutions
or
#Exitthevehicle andkeep a safe distance from it untilthe engine has cooled down.
#Checkthe coolant level (→page 401).
#Make surethatthe air supplytotheradiator is not obstructed.
#Avoiding high loads onthe engine, drivetothe nearestqualified specialistworkshop. In doing so, ensurethatthecoolanttemperature displayremains belowthered area.
Tires
Warning/indicator lampPossible causes/consequences andPPSolutions
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Tirepressure monitoringsystemwarning lamp lightsup
Theyellow tire pressure monitoring systemwarning lamp (pressure loss/malfunction) is lit.
The tire pressure monitoring system has detected tire pressure loss in at least one ofthe tires.
&WARNINGRisk of an accident duetoinsufficient tire pressure
Tirepressuresthat aretoo low posethefollowing hazards:
RThe tires may burst, especially asthe load andvehicle speed increase.
RThe tires maywearexcessively and/or unevenly,which may greatly impair tire traction.
RThe drivingcharacteristics, aswell assteering and braking, may be greatly impaired.
You couldthen lose control ofthevehicle.
Display messages andwarning/indicator lamps533

Air suspensionsee AIRMATIC
Airvents...................................................16 5Adjusting (front) ..................................16 5Adjusting (rear) ....................................16 5Glovebox .............................................166
Airventssee Airvents
Air-recirculation mode............................16 2
Air-water duct.......................................... 403Keeping free ........................................403
Airbag.........................................................38Activation .............................................. 32Belt airbag .............................................36Cushionbag ...........................................38Front airbag (driver, front passenger) ....38Installation locations .............................38Knee airbag ........................................... 38Overview ............................................... 38PASSENGER AIRBAG indicator lamp .....43Protection ..............................................39Side airbag ............................................ 38Window curtain airbag ...........................38
AIRMATIC..................................................215Setting .................................................216Suspension ..........................................215
AlarmseePanic alarm
Alarm systemseeATA (anti-theft alarm system)
AlternativerouteseeRoute
Ambient lightingSetting (multimedia system) ................150
AndroidAuto............................................ 341Connecting a mobile phone ................. 341Ending ................................................. 342Information .......................................... 341Overview .............................................. 341Sound settings .................................... 342Transferredvehicle data ......................342
AnimalsPets inthevehicle ..................................61
Anti-lock braking systemsee ABS (Anti-lock Braking System)
Anti-skidchainssee Snowchains
Anti-theft alarmsystemseeATA (anti-theft alarm system)
Anti-theft protectionImmobilizer ............................................ 90
Anti-theft protectionseeATA (anti-theft alarm system)
Anticipatory occupant protection
see PRE-SAFE®(anticipatory occu‐pant protection)
see PRE-SAFE®PLUS (anticipatoryoccupant protection plus)
Apple CarPlay™....................................... 339
Connecting an iPhone®....................... 340Ending .................................................341Notes .................................................. 340Overview ............................................. 339Sound settings .................................... 340Transferredvehicle data ......................342
AshtrayFront center console ...........................13 4Rear door .............................................134
538Index

Assistance systemssee Driving safety system
Assistant displayMenu (on-board computer) .................. 256
ASSYST PLUS........................................... 395Battery disconnection periods .............396Displayingthe service due date ........... 395Function/notes ................................... 395Regular maintenancework.................. 395Special servicerequirements .............. 395
ATA(anti-theft alarmsystem).................. 90Deactivatingthe alarm ...........................91Function ................................................ 90
ATTENTION ASSIST.......................... 237, 238Function .............................................. 237Setting ................................................. 238System limitations ...............................237
Attention assistantseeATTENTION ASSIST
Audio modeActivating media mode ........................ 355Connecting USB devices ..................... 358Copyrights ...........................................355Information .......................................... 354
Inserting/removing an SD card ........... 355Media search ....................................... 361Overview ............................................. 357Pause and playback function ...............358Selecting a track ................................. 358Selecting playbackoptions .................. 358Track list .............................................. 358
Authorized Mercedes-Benz Centersee Qualified specialistworkshop
Authorizedworkshopsee Qualified specialistworkshop
Automatic activationSwitching on/off.................................24 2
Automatic distance controlseeActive Distance AssistDISTRONIC
Automatic driving lights.........................14 6
Automatic enginestart (ECOstart/stop function)..........................................173
Automatic enginestop (ECOstart/stop function)..........................................173
Automatic front passenger front air‐bag shutoff...........................................41, 43Function ofthe automatic frontpassenger front airbag shutoff ...............41PASSENGER AIRBAG indicator lamp .....43
Automatic front passenger front air‐bag shutoffseeAutomatic front passenger frontairbag shutoff
Automatic lateral support adjustmentSetting .................................................109
Automatic mirrorfolding functionActivating/deactivating .......................157
Automatic transmissionDIRECT SELECT lever ...........................17 7Drive program display ..........................176Drive programs ....................................175DYNAMIC SELECT switch .....................175Engaging drive position ........................178Engaging neutral ..................................178Engaging parkposition ........................178Engagingreversegear .........................178Kickdown .............................................180Manualgearshifting .............................178
Index539