lights MERCEDES-BENZ S CLASS 2019 Service Manual

Display messagesPossible causes/consequences andPPSolutions
#Openthe windowtoensurethatthere is an adequate supply of fresh air.
#Visit aqualified specialistworkshop immediately.
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.
%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

Display messagesPossible causes/consequences andPPSolutions
Active Headlamps Inopera-tive
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.
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.
v
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.
=
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
w
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

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

Coolant (engine)Check level .......................................... 401Filling capacity .....................................473Notes ...................................................472
CopyrightLicenses ................................................ 29Trademarks............................................ 29
Cornering light function..........................14 8
Coversee Side windows
CrossTraffic Alert...................................236
Crosswind AssistFunction/notes ...................................19 5
Crosswind Assistsee MAGICBODYCONTROL
Cruise control.......................................... 200Buttons ................................................ 201Calling up a speed ............................... 201Function .............................................. 200Requirements: .....................................201Selecting ............................................. 201Setting a speed .................................... 201Storing a speed ................................... 201
Switching off ....................................... 201Switching on ........................................201System limitations ...............................200
Cup holder................................................131Installing/removing (center console) ...131Rear passenger compartment (vehi‐cles with arear benchseat) .................13 2Rear passenger compartment (vehi‐cles with electrically adjustablerearseats) ..................................................13 2Removing/installingthe insert (vehi‐cles with electrically adjustablerearseats) ..................................................13 2Switchingthe cooling/heating func‐tion on/off ..........................................13 3
Cushionbag................................................ 38
Customer Assistance Center (CAC).........25
CustomerRelations Department.............25
D
Dashboardsee Cockpit
Dashboard lightingsee Instrument cluster lighting
Data acquisitionVehicle .................................................. 26
Data import/export................................ 294Function/notes ................................... 294Importing/exporting ........................... 294
DatastorageElectronic control units .........................26Online services ......................................27Vehicle .................................................. 26
DateSettingthe time and date automati‐cally ..................................................... 288
Daytimerunning lamp modesee Daytimerunning lights
Daytimerunning lights...........................14 9Switching on/off .................................14 9
Deactivatingthe alarm(ATA)....................91
Dealershipsee Qualified specialistworkshop
Declaration of conformityWirelessvehicle components ................23
Decorativefoil (cleaning instructions)...................................................................406
544Index

DoorChild safety lock (rear door) .................. 59Locking (emergencykey) .......................69Opening (fromthe inside) ......................66Power closing function .......................... 69Unlocking (emergencykey) ...................69Unlocking (fromthe inside) ...................66
Door control panel.....................................12
Door control panel (rear passengercompartment)............................................14
DOT,TireIdentificationNumber (TIN)...447
DrawbarseeTow-bar system
Drinking and driving................................171
Drinks holdersee Cup holder
DriveAway Assist.................................... 235
Drive positionInserting ..............................................178
Drive program display.............................176
Drive programsseeDYNAMIC SELECT
Driver's seatsee Seat
Driving lightsseeAutomatic driving lights
Driving safety system.............................191ABS (Anti-lockBraking System) ...........19 2Active Brake Assist..............................19 6BAS (Brake AssistSystem) ..................19 2EBD (electronic brakeforce distribu‐tion) .....................................................19 6
ESP®Crosswind Assist........................19 5Overview .............................................19 2Radar sensors ......................................191Responsibility ......................................191STEER CONTROL .................................19 6
Driving systemsee 360° CameraseeActive Blind Spot AssistseeActive Distance AssistDISTRONICseeActive EmergencyStop AssistseeActive Lane Change AssistseeActive LaneKeeping AssistseeActiveParking AssistseeActive Speed Limit AssistseeActiveSteering Assist
see AIRMATICseeATTENTION ASSISTsee Blind Spot Assistsee Cruise controlsee Driving safety systemsee HOLD functionsee MAGICBODYCONTROLsee NightViewAssistseeParking AssistPARKTRONICseeRear view cameraseeTraffic Sign Assist
Driving tipsDrinking and driving .............................171General driving tips ..............................171Notes on breaking-in a newvehicle .....17 0
Drowsiness detectionseeATTENTION ASSIST
Dynamic handling control system
see ESP®(ElectronicStability Program)
DYNAMIC SELECT....................................175Configuring drive program I .................176Displaying engine data .........................176Displayingvehicle data ........................176Drive program display ..........................176
Index549

Engine number........................................ 466
Engine oil.................................................400Additives ..............................................470Capacity ...............................................471Checkingthe oil level usingthe oildipstick ............................................... 399Checkingthe oil level usingthe on-board computer ................................... 399MB-Freigabe or MB-Approval ...............471Quality .................................................471Topping up ...........................................400
EnteringcharactersFunction/notes ................................... 285
ESC (ElectronicStability Control)
see ESP®(ElectronicStability Program)
ESP®
Crosswind Assist .................................19 5
ESP®(ElectronicStability Program)......19 3Activating/deactivating .......................195Function/notes ...................................19 3
Exterior lightingCare .................................................... 409
Exterior lightingsee Lights
Exterior mirrors...............................154,15 5Anti-glaremode (automatic) ................155Automatic mirrorfolding function ........157Folding in/out .....................................154Operatingthe memory function ...........11 5Parking position ...................................156Setting .................................................154
External deviceLocking (child safety lock) ...................293
Eyeglasses compartment.......................124
F
Fatigue detectionseeATTENTION ASSIST
FavoritesAdding .................................................283Calling up ............................................ 282Deleting ............................................... 283Moving ................................................ 283Overview ............................................. 282Renaming ............................................ 283
FlaconInserting/removing .............................16 3
Flat tire.....................................................413Changing a wheel ................................ 458MOExtended tires ................................41 4Notes ...................................................413TIREFIT kit ............................................41 5
FlattowingseeTow-bar system
Floor mats................................................14 3
Foil coveringRadar sensors ......................................191
Folding table............................................124
FragranceseePerfume atomizer
Free software............................................ 29
FrequenciesTwo-wayradio ...................................... 465
Frequency bandDialing (on-board computer) ................ 259
Front airbag (driver, front passenger).....38
Index551