2019 MERCEDES-BENZ S CLASS Owners Manual

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.
Opening and closing87

ProblemPossible causes/consequences andPPSolutions
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.#Releasethe button immediately if somebody becomes trapped.
or
#Pressthe button in any direction duringthe automatic closing process.The closing process isstopped.
Ifthe sliding sunroof is obstructed during closing andreopens again slightly:
#Immediately after automaticreversing, pull and holdtheWbutton down againtothe point ofresist‐ance untilthe sliding sunroof is closed.The sliding sunroof will be closed with increasedforce.
Ifthe sliding sunroof is obstructed again andreopens again slightly:
#Repeatthe previousstep.The sliding sunroof will be closed again with increasedforce.
The sliding sunroof orthe frontrollersunblind does not movesmoothly.
#PulltheWbutton downrepeatedlytothe point ofresistance untilthe sliding sunroof is fully closed.
#PulltheWbuttonfor another second.
#Pull and holdtheWbutton down untilthe frontroller sunblind is fully closed.
#PulltheWbuttonfor another second.
88Opening and closing

ProblemPossible causes/consequences andPPSolutions
#Use automatic operationtofully open andthen closethe sliding sunroof.
Therearroller sunblind does not movesmoothly.
#Pulland hold button1downrepeatedly untiltherearroller sunblind is fully closed.
#Pull button1for another second.
#Use automatic operationtofully open andthen closetherearroller sunblind.
Opening and closing89

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
90Opening and closing

RAfter unlockingthevehicle using KEYLESS-GO
DeactivatingtheATA#Pressthe6,7or

Notes onthe correct driver's seat position
&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.Ensurethefollowing when adjustingthesteeringwheel1, seat belt2and driver's seat3:
Ryou are asfarawayfromthe driver's airbagas possible
Ryou are sitting in an upright position
Ryourthighs are slightlysupportedbythe seatcushion
Ryour legs are not fullyextended andyou candepressthe pedals properly
Rthe back ofyour head is supported ateyelevelbythe center ofthe headrestraint
Ryou can holdthesteering wheel withyourarms slightly bent
Ryou can moveyour legs freely
Ryou can see allthe displaysonthe instru‐ment cluster clearly
Ryou havea goodoverview ofthe traffic con‐ditions
Ryour seat belt is pulled snuglyagainstyourbody and isrouted acrossthe center ofyourshoulder and acrossyour hips inthe pelvicarea
92Seats andstowing

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

#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 injuryor death duetoincorrect seat position
The seat belt does not offerthe intendedlevel of protection ifyou havenot movedtheseat backresttoan almostvertical position.
When braking or intheevent of an accident,you could slide underneaththe seat belt andsustain abdominal or neck injuries,forexam‐ple.
#Adjustthe seat properlybefore begin‐ningyour journey.
#Always ensurethatthe seat backrest isin an almostvertical position andthatthe shoulder section ofyour seat belt isrouted acrossthe center ofyour shoul‐der.
*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.1Headrestraint height/fore-and-aft position(vehicles with an EASYADJUSTluxury headrestraint)
2Headrestraint height
3Seat height
4Seat cushion inclination
5Seat cushion length
94Seats andstowing