2019 MERCEDES-BENZ S CLASS lock

Problems withthe side windows
ProblemPossible causes/consequences andPPSolutions
A side window cannotbe closed andyou cannot seethe cause.
#Checktosee whether any objects are inthe window guide.
&WARNINGRisk of becoming trapped orfatally injured ifreversing protection is not activated
Ifyou close a side windowagain immediately after it has been blocked orreset,the side window closeswith increased or maximumforce. Thereversingfeature isthen not active.
Parts ofthe body could become trapped inthe closing area inthe process.
#Make surethat no parts ofthe body are inthe closing area.
#Tostopthe closing process,releasethe button or pressthe button againtoreopenthe side win‐dow.
If a side window is obstructed during closing andreopens again slightly:
#Immediately afterthe window is blocked, pullthe corresponding switch again untilthe side window hasclosed, and holdthe switchfor an additional second.The side window will be closed with increasedforce.
If a side window is obstructed again during closing andreopens again slightly:
#Repeatthe previousstep.The side window is closed withoutthe automaticreversing function.
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ProblemPossible causes/consequences andPPSolutions
The side windowscannot be opened orclosed usingthe convenience openingfeature.
The SmartKeybattery is discharged or nearly discharged.
#Checkthe battery usingthe batterycheck lamp andreplace if necessary (→page64).
Sliding sunroof
Opening/closingthe sliding sunroof
&WARNINGRisk of becoming trappedwhile opening and closingthe slidingsunroof
During opening and closing, parts ofthebody couldgetcaught inthe sweep ofthesliding sunroof.
#When opening or closing, make surethat no body parts are inthe sweep.#Releasethe button immediately ifsomebody becomes trapped.
or
#Pressthe button in any direction duringthe automatic opening/closing process.The opening/closing process isstop‐ped.
&WARNINGRisk of becoming trapped ifthe sliding sunroof is operatedbychil‐dren
Children operatingthe sliding sunroof couldgetcaught inthe moving parts, particularly ifunattended.
#Never leavechildren unattended inthevehicle.
#When leavingthevehicle, alwaystakethekey withyou and lockthevehicle.
&WARNINGRisk of becoming trappedwhile opening and closingtheroller sunblind
When opening or closing, make surethat nobody parts become trapped betweentheroller sun blind and frame orthe sliding sun‐roof.
#When opening or closing, make surethat no body parts are inthe sweep oftheroller sun blind.#Releasethe button immediately ifsomebody becomes trapped.
or
#Pressthe button in any direction duringthe automatic opening/closing process.The opening/closing process isstop‐ped.
82Opening and closing

If bothelements are inthe samestate:thetransparency of bothelements willchange.
%Whenyou switchoffthe power supply, bothelements will darken automatically.Whenyou switchonthe power supply ortheignition, bothelements willreturntothestatetheywerein beforethe power supplywas switched off.
Operatingtherear element fromtherearpassenger compartment#Iftheroller sunblind is fully closed: pull but‐ton1.Theroller sunblind will open. The transpar‐ency oftherear element willthenchange.
#Iftheroller sunblind is fully opened: pressbutton1.The transparency oftherear element willchange.
%Therear element will darken automatically ifyou closetherearroller sunblind.
Problems withthe sliding sunroof
%Theterm"sliding sunroof"referstothe pan‐oramic sliding sunroof.
ProblemPossible causes/consequences andPPSolutions
The sliding sunroof cannotbe closedandyou cannot seethe cause.&WARNINGRisk of becoming trapped orfatal injurybyclosingthe sliding sunroof again
Ifyou closethe sliding sunroof again immediately after it has been blocked orreset,the sliding sunroofcloses with increased or maximumforce.
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Anti-theft protection
Function ofthe immobilizer
The immobilizer preventsyourvehicle from beingstarted withoutthe correct SmartKey.
The immobilizer is automatically activated whenthe ignition is switched off and deactivated whenthe ignition is switched on.
When leavingthevehicle, alwaystakethe Smart‐Key withyou and lockthevehicle. Anyone canstartthe engine if avalid SmartKeyhas been leftinsidethevehicle.
%Intheeventthe engine cannotbestarted(yetthevehicle’sstarter battery ischarged),the system is not operational. Contact anauthorized Mercedes-Benz Center or call1-800-FOR-MERCedes (inthe USA) or1-800-387-0100(in Canada).
ATA(anti-theft alarmsystem)
Function oftheATAsystem (anti-theft alarmsystem)
IftheATAsystem is armed, a visual and audiblealarm is triggered inthefollowing situations:
RWhen a door is opened
RWhenthe trunk lid is opened
RWhenthe hood is opened
TheATA system is armed automatically afterapproximately10seconds:
RAfter lockingthevehicle withthe SmartKey
RAfter lockingthevehicle using KEYLESS-GO.
WhentheATAsystem is armed, indicator lamp1flashes.
TheATA system is automatically deactivated:
RAfter unlockingthevehicle withthe Smart‐Key
RAfter pressingthestart/stop button withtheSmartKeyinsidethevehicle
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RAfter unlockingthevehicle using KEYLESS-GO
DeactivatingtheATA#Pressthe6,7or

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.
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Thefootrestcan be adjusted only when one ofthefollowing conditions has been fulfilled:
RThe front passenger seat is moved fullyforward
RThe front passenger seat is inthe positionforchauffeur mode
#Adjusttherear seat (→page97).
#Adjusttherecliningrear seat (→page97).
#Toselectthe front passenger seat:pressbutton1.Whenthe indicator lamp lights up,the frontpassenger seat is selected.
#Adjustthe front passenger seat usingthebuttons onthe door control panel intherearcompartment.
%Mercedes-Maybachvehicles:it is suffi‐cienttoadjustthefootrestifthe frontpassenger seat is moved intothe center set‐ting area.
%You can usetherear-compartmentchildsafety locktodisablethis function(→page 60).
Adjusting therear seats electrically
You can electrically adjust onlythe outer seats intherear passenger compartment.
1Height/fore-and-aft position ofthe headrestraint (vehicles with active multicontourseat)
2Headrestraint height
3Seat backrest inclination
4Combined seat cushion inclination andlength
#Savethe settings usingthe memory function(→page117).
Adjusting arecliningrear seat electrically
Therecliningrear seat isavailable in long-wheel‐basevehicles equipped with "executiveseats".Onvehicles without arecliningrear seat,thebuttonfor settingthe angle andfore-and-aftposition ofthe legresthas no function.
Long-wheelbasevehicles:therecliningrearseat is onthe front passenger side.
Mercedes-Maybachvehicles:therecliningrearseats are onthe driver's and front passengersides.
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RIfavailable,the legrestwillrise#Tosetthe upright position:manuallyadjustthe seattothe desired position.
or
#Call upthe settings withthe memory func‐tion (→page117).
%You can usetherear-compartmentchildsafety locktodisablethis function(→page 60).
%The legrestwillfold down ifoverloaded. Ifthis isthe case,fold upthe legrestandengage it.
Chauffeur mode
Information onchauffeur mode
&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.
#Always drive withthe headrestraintsinstalled.
#Before driving off, make sureforeveryvehicle occupantthatthe center oftheheadrestraint supportsthe back ofthehead at abouteye level.
Do not swapthe headrestraints ofthe front andrear seats. Otherwise,you cannot adjusttheheight and angle ofthe headrestraints correctly.
Adjustthe headrestraintfore-and-aft position sothat it is as close as possibletothe back ofyourhead.
&WARNINGRisk of accident with thefront passenger headrestraintfoldeddown
Ifthe front passenger seat is inthechauffeurmode position andthe front passenger headrestraint isfolded down,the view ofthe pas‐senger's outside mirror can be impaired.
#Tohavea free view ofthe outside mir‐ror,removethe front passenger headrestraint before beginning a journey.
*NOTEDamagetoobjects inthe luggagenet ofthe front passengerfootwell whenadjustingthe front passenger seattothechauffeur position
Objects inthe luggage net inthe frontpassengerfootwell can become damagedwhenthe front passenger seat is adjustedtothechauffeur position.
#Removethe objects fromthe luggagenet.
*NOTEDamagetothe seats when movingthe seats back
The seats may be damagedbyobjects whenmovingthe seats back.
#When movingthe seats back,makesurethatthere are no objects inthefootwell, under or behindthe seats.
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