2019 MERCEDES-BENZ S CLASS airbag off

thevehicle belt outlet. If necessary,adjustthe seat belt outlet andthe frontpassenger seat accordingly.
#Always observethechildrestraint sys‐tem manufacturer's installation instruc‐tions.
When installing achildrestraint system onthefront passenger seat, observethevehicle-spe‐cific information (→page57).
If a person is sitting onthe front passengerseat:PASSENGER AIRBAG OFF may be lit con‐tinuously or be off, depending onthe person'sstature.
A person onthe front passenger seat mustalways observethefollowing information:
RIfthe front passenger seat is occupiedbyanadult or a person with astature correspond‐ingtothat of an adult,thePASSENGER AIRBAG OFF indicator lamp must be off. Thisindicatesthatthe front passenger front air‐bag is enabled.
IfthePASSENGER AIRBAG OFF indicatorlamp is lit continuously,an adult or person
with a build correspondingtothat of an adultshould not usethe front passenger seat.Instead,theyshould use arear seat.
RIfthe front passenger seat is occupiedby aperson of smallerstature (e.g. ateenager orsmall adult),thePASSENGER AIRBAG OFFindicator lamp either lights up continuouslyorremains off, depending ontheresult oftheclassification.
-IfthePASSENGER AIRBAGOFF indicatorlamp is off: movethe front passengerseat asfar back as possible orthe personof smallerstature should use arear seat.
-IfthePASSENGER AIRBAGOFF indicatorlamp is lit continuously:the person ofsmallerstature should not usethe frontpassenger seat.
&WARNINGRisk of injuryor death whenthePASSENGER AIRBAG OFF indicatorlamp is lit
IfthePASSENGER AIRBAG OFF indicatorlampremains lit afterthe system self-test,the front passenger air bag is deactivated. It
will not be deployed intheevent of an acci‐dent. Inthis case,the front passenger air bagcannotperformits intended protective func‐tion, e.g. when a person is seated inthe frontpassenger seat.
That person could,forexample, come intocontact withthevehicle interior, especially ifthe person is sittingtoo closetothe cockpit.
Ifthe front passenger seat is occupied,always ensurethat:
RThe classification ofthe person inthefront passenger seat is correct andthefront passenger air bag is enabled ordeactivated in accordance withthe per‐son inthe front passenger seat.
RThe person is seated properly with a cor‐rectlyfastened seat belt.
RThe front passenger seat has been movedasfar back as possible.
Be suretoalso observethefollowing furtherrelated subjects:RChildrestraint system onthe front passengerseat (→page57).
Occupant safety45

Overview of suitable seats inthevehiclefor installing achildrestraint system
Securing systemsforchildrestraint systems
Vehicle seat
Left/rightrear seatPreferred securing system:
LATCH-type (ISOFIX)child seat securing sys‐tem
Also secureTopTether if present(→page 55)
Alternative securing system:
RVehicle seat belt
Front passenger seatSecuring system:
RVehicle seat belt
Be suretoobserve:
RIfthe front passenger seat is occupied, ensure,bothbefore and duringthe journey,thatthesta‐tus ofthe front passenger front airbag is correctforthe current situation (→page43).
RNotes on automatic front passenger front airbagshutoff (→page41).
Centerrear seatSecuring system:
RVehicle seat belt
52Occupant safety

restraint fromtherespective seat, if possi‐ble.
Afterremovingthechildrestraint system,replacethe headrestraints again immedi‐ately and adjustthem correctly.
sThe backrestoftheforward-facingchildrestraint system must, asfar as possible, beresting onthe seat backrest oftherearseat.
sFor certainchildrestraint systems inweightcategory II or III,there may berestrictions inthe maximum size setting, e.g. duetopossi‐ble contact with theroof.
sThechildrestraint system must not be putunderstrain betweentheroof andthe seatcushion and/or be installedfacingthewrong direction. Where possible, adjusttheseat cushion inclination accordingly.
sThechildrestraint system must not be putunderstrainbythe headrestraints.Adjustthe headrestraints accordingly.
sMake surethatthechild'sfeetdo nottouchthe front seat. If necessary,movethe frontseatforward slightly.
The seat belts onthefollowing seats are equip‐ped with a special seat beltretractor:
RFront passenger seat
RRear seats
Vehicles with seat belt buckleextenders:when securing achild in achildrestraint systemon arear seat, observethefollowing notes:
RMake surethatthe seat belt isfastened onthechildrestraint system accordingtothemanufacturer's installation instructionsforthechildrestraint system.
RForchildrestraint systems with a belt clamp:engagethe seat belttongue intothe seat beltbuckle beforeyou tightenthe seat belt usingthe belt clamp.
When enabled,the special seat beltretractorensuresthatthe seat belts ofthe frontpassenger seat andrear seats do not slackenoncethechildrestraint system is secured(→page 53).
#Installthechildrestraint system.The entire base ofthechildrestraint systemmust alwaysrestonthe sitting surface oftherear seat.
#Always make surethatthe shoulder beltstrap is correctlyrouted fromthe seat beltoutlet ofthevehicletothe shoulder beltguide onthechildrestraint system.The shoulder beltstrap must beroutedfor‐wards and downwards fromthe seat belt out‐let.
Notes onrearward-facing andforward-facingchildrestraint systems onthe frontpassenger seat
&WARNINGRisk of injuryor death fromusing arearward-facingchildrestraintsystem whenthe front passenger frontairbag is enabled
Ifyou secure achild in arearward-facingchildrestraint system onthe front passengerseat andthePASSENGER AIRBAG OFF indi‐cator lamp is off,the front passenger airbagcan deploy intheevent of an accident.
Occupant safety57

Thechild could bestruckbythe airbag.
Always ensurethatthe front passenger air‐bag is deactivated. ThePASSENGER AIRBAGOFF indicator lamp must be lit.
NEVER use arearward-facingchildrestraintsystem on a seat protectedbyan ENABLEDFRONT AIRBAGin front of it, DEATH or SERI‐OUS INJURYtotheCHILD can occur.
Observethe specific instructionsfortherear‐ward-facing andforward-facingchildrestraintsystems (→page 58).
Warning notice onthe front passenger sun visor
Always observethestatus ofthe front passengerfront airbag onthePASSENGER AIRBAG OFFindicator lamp:
RWhen using arearward-facingchildrestraintsystem onthe front passenger seat,the frontpassenger front airbag must always be disa‐bled. This is onlythe case ifthePASSENGERAIRBAG OFF indicator lamp is lit continu‐ously (→page 43).
RIfthePASSENGER AIRBAG OFF indicatorlamp is off,the front passenger front airbagis enabled. The front passenger front airbagmay deploy during an accident.
Securingthechildrestraint system withtheseat belt onthe front passenger seat
When installing a belt-securedchildrestraintsystem onthe front passenger seat, alwaysobservethefollowing:
sObservethechildrestraint system manufac‐turer's installation and operating instruc‐tions.
sWhen using aforward-facingchildrestraintsystem in Group I:removethe headrestraint fromtherespective seat, if possi‐ble.
Whenyouremovethechildrestraint sys‐tem, installthe headrestraint again immedi‐ately and adjust allthe headrestraints cor‐rectly.
sThe backrest oftheforward-facingchildrestraint system must lie asflat as possible
againstthe backrest ofthe front passengerseat.
sFor certainchildrestraint systems inweightgroup II or III,there may berestrictions inthe maximum size setting, e.g. duetopossi‐ble contact with theroof.
sThechildrestraint system must not be putunderstrain betweentheroof andthe seatcushion and/or be installedfacingthewrong direction.Adjustthe seat backrestinclination accordingly.
sThechildrestraint system must not be putunderstrainbythe headrestraints.Adjustthe headrestraints accordingly.
sNever place objects under or behindthechildrestraint system, e.g. cushions.
The seat belt onthe front passenger side isequipped with a special seatbeltretractor.
When activated,the special seatbeltretractorensuresthatthe seat belt does not slacken oncethechildrestraint system is secured(→page 53).
58Occupant safety

Seats
Adjusting the front seat electrically
&WARNINGRisk of becoming trapped ifthe seats are adjustedbychildren
Children could become trapped iftheyadjustthe seats, particularly when unattended.
#When leavingthevehicle, alwaystakethe SmartKeywithyou and lockthevehicle.
#Never leavechildren unattended inthevehicle.
The seats can be adjusted whenthe ignition isswitched off.
&WARNINGRisk of becoming trappedwhen adjustingthe seats
Whenyou adjust a seat,you orothervehicleoccupants could become trapped, e.g. ontheseat guiderail.
#When adjusting a seat, make surethatno one has any body parts inthe sweepofthe seat.
Observethe safety notes on "Airbags" and "Chil‐dren inthevehicle".
&WARNINGRisk of injuryfrom adjustingthevehicle settings whilethevehicle is inmotion
You could lose control ofthevehicle inthefollowing situations:
Rifyou adjustthe driver's seat,the headrestraint,thesteering wheel orthe mirrorwhilethevehicle is in motion
Rifyoufastenyour seat belt whilethevehi‐cle is in motion
#Beforestartingthe engine: adjustthedriver's seat,the headrestraint,thesteering wheel orthe mirror andfastenyour seat belt.
&WARNINGRisk of becoming trapped ifthe seat height is adjusted carelessly
Ifyou adjustthe seat height carelessly,youorothervehicle occupants could be trappedandthereby injured.
Children in particular could accidentallypressthe electrical seat adjustment buttonsand become trapped.
#While movingthe seats, make surethathands orother body parts do notgetunderthe lever assembly ofthe seatadjustment system.
&WARNINGRisk of injuryduetoheadrestraints which are not installed or areadjusted incorrectly
If headrestraints are not installed or areadjusted incorrectly,the headrestraints can‐not provide protection as intended.
There is an increasedrisk of injury inthehead and neck area, e.g. intheevent of anaccident or when braking.
Seats andstowing93

Notes on cleaning and careAvoidingvehicle damage
Exterior lightingCleanthe lenses with awet sponge and mild cleaning agent,e.g. car shampoo.Only use cleaning agents or cleaning clothsthat are suitablefor plastic lenses.
SensorsCleanthe sensors inthe front andrear bumper and intheradiator grill with a soft clothand car shampoo.When using a powerwasher, maintain a minimum distance of11.8 in (30 cm).
Rear view cameraand360° CameraROpenthe camera cover withthe multimedia system(→page 231).
RUse cleanwater and a soft clothtocleanthe camera lens.
Do not use a powerwasher.
TailpipesClean with cleaning agentsrecommendedbyMercedes-Benz,particularlyinthe winter and afterwashingthevehicle.Do not use acidic cleaning agents.
Notes on care ofthe interior
&WARNINGRisk of injuryfrom plasticparts breaking off afterthe use of sol‐vent-based care products
Careand cleaning products containing sol‐vents can cause surfaces inthe cockpittobecome porous.
Whenthe airbags are deployed, plastic partsmay breakaway.
#Do not use any care or cleaning prod‐ucts containing solventstocleanthecockpit.
&WARNINGRisk of injuryor death frombleached seat belts
Bleaching or dyeing seat belts can severelyweakenthem.
This can,forexample, cause seat beltstotear orfail in an accident.
#Never bleachor dye seat belts.
41 0Maintenance and care

Display messagesPossible causes/consequences andPPSolutions
NEVER use arearwardfacingchildrestraint on a seat protectedbyanACTIVE FRONT AIRBAG; DEATH or SERI‐OUS INJURYtotheCHILD can occur.
#Pullover andstopthevehicle safely as soon as possible, paying attentiontoroad and traffic conditions.
#Checkthestatus ofthe automatic front passenger airbag shutoff (→page 43).
#If necessary,consult aqualified specialistworkshop immediately.
Front Passenger Airbag Dis-abled See Operator's Man-ual
*The front passenger airbag andthe knee airbag are deactivated, although an adult or a person with an adultstatureis onthe front passenger seat. If additionalforces are appliedtothe seat,theweightthe system detects may betoo low.
&WARNINGRisk of injuryorfatal injury duetoa disabled front passenger airbag
Ifthe front passenger airbag is disabled,the front passenger airbag will not be deployed intheevent of an acci‐dent and cannotperformits intended protective function.
A person inthe front passenger seat couldthen,forexample, come into contact with thevehicle's interior,especially ifthe person is sittingtoo closetothe cockpit.
#Make sure, bothbefore and duringthe journey,thatthestatus ofthe front passenger airbag is correct.
#Pullover andstopthevehicle safely as soon as possible, paying attentiontoroad and traffic conditions.
#Checkthestatus ofthe automatic front passenger airbag shutoff (→page 43).
#If necessary,consult aqualified specialistworkshop immediately.
490Display messages andwarning/indicator lamps

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