lock MERCEDES-BENZ S CLASS 2019 Owner's Manual

#Turnthe mechanicalkey counter-clockwisefrom positionGtopositionH.
#Turnthe mechanicalkey backtopositionGandremoveit.
%Ifyou usethe mechanicalkeytounlockandopenthe trunk lid,the anti-theft alarm sys‐tem will be triggered.
Activating/deactivating the trunk lid openingheightrestriction
Multimedia system:
,Vehicle.îVehicle Set-
tings.Trunk Lid Restriction
This function allowsyouto avoid bumpingthetrunk lid on a lowgarageceiling,forexample.
#Activatesor deactivateSthe function.
Roller sun blinds
Extending orretracting theroller sunblindsontherear side windows
Theroller sunblindsfortherear side windowscan be operated withthe buttonsforthe sidewindows.
1Rear left side window
2Rearright side window
#Toclose fully:pullthe corresponding buttonwhenthe side window is closed or is intheprocess of closing.
#Toopen fully:pressthe corresponding but‐ton.
76Opening and closing

Whenthechild safety lockfortherear side win‐dowsis activated, switch1cannot be oper‐ated.
Side windows
Opening and closingthe side windows
&WARNINGRisk of entrapment whenopening a side window
When opening a side window,parts ofthebody could be drawn in or become trappedbetweenthe side window and window frame.
#When opening, make surethat nobodyistouchingthe side window.
#If someone is trapped,releasethe but‐ton immediately or pull it in ordertoclosethe side window again.
&WARNINGRisk of becoming trappedwhen closing a side window
When closing a side window,body partscould be trapped inthe closing area intheprocess.
#When closing, make surethat no bodyparts are inthe closing area.
#If someone is trapped,releasethe but‐ton immediately or pressthe button inordertoreopenthe side window.
&WARNINGRisk of becoming trappedwhenchildren operatethe side windows
Children could become trapped iftheyoper‐atethe side windows, particularly when unat‐tended.
#Activatethechild safety lockfortherear side windows.
#When leavingthevehicle, alwaystakethe SmartKeywithyou and lockthevehicle.
#Never leavechildren unattended inthevehicle.
Requirements:RThe power supply orthe ignition is switchedon.
1Closes
2Opens
78Opening and closing

The buttons onthe driver's doortakeprece‐dence.
#Tostart automatic operation:pressthebbutton beyondthe point ofresistanceor pull andrelease it.
#Tointerruptautomatic operation:press orpullthebbutton again.
Whenthevehicle is switched off,the side win‐dowscan continue being operated.
The function isavailablefor aroundfiveminutesor until a front door is opened.
%Vehicles with electricroller sunblinds onrear doors onthe left andright:The but‐tonsfortherear side windowsalso open andclosetheroller sunblinds (→page76).
Automaticreversing function of the side win‐dowsIf an object blocksa side windowduringtheclosing process,the side window opens againautomatically.The automaticreversing functionis only an aid and is not a substituteforyourattentiveness.
#When closing, make surethat no body partsare inthe closing area.
&WARNINGRisk of becoming trappeddespitethere beingreversing protectiononthe side window
Thereversing function does notreact:
RTosoft, light andthin objects, e.g.fingers
RDuringresetting
This meansthatthereverse function cannotprevent someone from becoming trapped inthese situations.
#When closing, make surethat no bodyparts are inthe closing area.
#If someone becomes trapped, pressthebbuttontoopenthe side windowagain.
Convenience opening (ventilatingthevehiclebeforestarting a journey)
&WARNINGRisk of entrapment whenopening a side window
When opening a side window,parts ofthebody could be drawn in or become trappedbetweenthe side window and window frame.
#When opening, make surethat nobodyistouchingthe side window.
#Releasethe button immediately ifsomebody becomes trapped.
#Press and holdthe6button ontheSmartKey.
Thefollowing functions are performed:
RThevehicle is unlocked.
RThe side windowsare opened.
RThe panoramic sliding sunroof is opened.
RThe seatventilation ofthe driver's seat isswitched on.
Opening and closing79

Iftheroller sunblinds ofthe panoramic slidingsunroof are closed,theroller sunblinds areopenedfirst.
Iftheroller sunblinds oftherear doors areclosed,theroller sunblinds are openedfirst.
#Tointerruptconvenience opening:releasethe6button.
#Tocontinue convenience opening:pressand holdthe6button again.
Convenience closing (closingthevehiclefrom outside)
&WARNINGRisk of entrapment causedbyinadvertent convenience closing
Whenthe convenience closingfeature isoperating, parts ofthe body could become
trapped inthe closing area ofthe side win‐dow andthe sliding sunroof.
#Observethe completeclosing proce‐durewhen using convenience closing.
#When closing, makesurethat no bodyparts are inthe closing area.
#Press and holdthe7button ontheSmartKey.
Thefollowing functions are performed:
RThevehicle is locked.
RThe side windowsare closed.
RThe panoramic sliding sunroof is closed.
#Tointerruptconvenience closing:releasethe7button.
#Toclosetheroller sunblinds:press andholdthe7button again.
%Convenience closing can also be operatedwithKEYLESS-GO (→page67).
80Opening and closing

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.
Opening and closing81

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.
Opening and closing87

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

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