key MERCEDES-BENZ S CLASS 2019 Owner's Manual

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

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.
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#Toswitch off/reducethe level:press but‐ton1repeatedly untilthe desiredventila‐tion level is set.If all indicator lamps are off,the seatventila‐tion is switched off.
%Ifyou switch the power supply off and onagain within 20 minutes,the previous seatventilation settingforthe driver's seat willremain active.
Steering wheel
Adjusting thesteering wheel electrically
&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 entrapmentforchil‐dren when adjustingthesteering wheel
Children could injurethemselves iftheyadjustthesteering wheel.
#Never leavechildren unattended inthevehicle.
#When leavingthevehicle, alwaystakethe SmartKeywithyou and lockthevehicle.
Thesteering wheel can be adjusted whenthepower supplyis switched off.
1Adjuststhe distancetothesteering wheel
2Adjuststhe height
#Savethe settings withthe memory function(→page115).
Seats andstowing11 3

#When leavingthevehicle, alwaystakethe SmartKeywithyou and lockthevehicle.
Ifthe easy entryandexitfeature is active,thesteering wheel will moveupwards andthe driv‐er's seat will moveback inthefollowing situa‐tions:
Ryou switchthe ignition off whenthe driver'sdoor is open
Ryou openthe driver's door whenthe ignitionis switched off
%Thesteering wheel will moveupwards onlyifit is not already as high as it will go. The driv‐er's seat will movebackwards only if it is notalready intherearmost position.
Thesteering wheel andthe driver's seat willmovebacktothe last drive position inthefol‐lowing cases:
Ryou switchthe power supplyorthe ignitionon whenthe driver's door is closed
Ryou closethe driver's door whenthe ignitionis switched on
The last drive position isstored inthefollowingsituations:
Ryou switchthe ignition off
RVehicles with memory function:call uptheseat settings viathe memory function.
RVehicles with memory function:savetheseat settings viathe memory function.
Vehicles with memory function:press one ofthe memory function saved position buttonstostopthe adjustment process.
Settingthe easy entry andexitfeature
Multimedia system:
,Vehicle.îVehicle Set-
tings.Easy Entry/Exit
#SelectSteering Wheel & Seat,SteeringWheel OnlyorOff.
Operatingthe memory function
&WARNINGRisk of an accident ifthememory function is used while driving
Ifyou usethe memory function onthe driv‐er's side while driving,you could lose controlofthevehicle as aresult ofthe adjustmentsbeing made.
#Only usethe memory function onthedriver's side whenthevehicle isstation‐ary.
&WARNINGRisk of entrapment when set‐tingthe seat withthe memory function
Whenthe memory function adjuststhe seatorsteering wheel,you andothervehicleoccupants – particularlychildren – couldbecome trapped.
#Duringthe setting procedure ofthememory function, ensurethat no bodyparts are inthe sweep ofthe seat orthesteering wheel.
Seats andstowing11 5

#If somebody becomes trapped, immedi‐atelyreleasethe memory function posi‐tion button.The adjustment process isstopped.
&WARNINGRisk of entrapment ifthememory function is activatedbychildren
Children could become trapped iftheyacti‐vatethe memory function, particularly whenunattended.
#Never leavechildren unattended inthevehicle.
#When leavingthevehicle, alwaystakethekey withyou and lockthevehicle.
The memory function can be used whenthe igni‐tion is switched off.
StoringThe memory function is onlyavailable invehicleswiththe memory package.
Seat adjustmentsfor uptothree people can bestored and called up usingthe memory function.
Thefollowing settings can bestoredforthe frontseats:
RSeat, backrest, headrestraint position andcontour ofthe seat backrest inthe lumbarregion
RActive multicontour seat: side bolstersoftheseat backrest, shoulder ofthe seat backrest,contour ofthe seat backrest, dynamic func‐tion level
RSeat heating: distribution ofthe heated sec‐tions ofthe seat cushion and seat backrest
RDriver's side:steering wheel position andposition ofthe outside mirrorsonthe driver'sand front passenger sides
RHead-up Display#Setthe seat,thesteering wheel,the Head-upDisplay andthe outside mirrortothe desiredposition.
#Brieflypress memory button M andthenpress preset position button1,2 or 3 withinthree seconds.An acoustic signal sounds. The settings arestored.
11 6Seats andstowing

#Alwaysstowobjects in such awaythattheycannot betossed about inthese orsimilar situations.
#Always make surethat objects do notproject fromstowage spaces, parcelnets orstowage nets.
#Closethe lockablestowage spacesbeforestarting a journey.
#Alwaysstowand secure objectsthatare heavy, hard, pointed, sharp-edged,fragile ortoo large inthe trunk.
Observethe notes on loadingthevehicle.
1Stowage compartment inthe doors
2Stowage/telephone compartment inthearmrest with multimedia and USB ports aswell asstowage space, e.g.for an MP3player
3Stowage compartment inthe front centerconsole
4Glovebox
Locking and unlockingtheglovebox
#Turnthe emergencykey aquarter turn clock‐wiseH(to lock) or counter-clockwiseG(tounlock).
Seats andstowing12 3

&WARNINGRisk of becoming trappedwhen pressingthe EASY-PACK trunk boxin
Whenthe EASY-PACK trunk box is pressedintotheretracted position,your hands maybecome trapped. Children, in particular, mayinjurethemselves when doing so.
#When pressingthe EASY-PACK trunkbox in, make surethatyour hands arenot withinthe sweep ofthe EASY-PACKtrunk box.
#When leavingthevehicle, alwaystakethe SmartKeywithyou and lockthevehicle.
#Never leavechildren unattended inthevehicle.
*NOTEDamagetotheextended EASY-PACK trunk box
The EASY-PACK trunk box may be damagedwhen it isextended.
#Do not place any objects on or pressdown onthe EASY-PACK trunk boxframe.
#Do not closethe trunk lid whentheEASY-PACK trunk box isextended.
*NOTEDamagetothe EASY-PACK trunkboxbyobjects
Objects which are sharp-edged, pointed,fragile,rounded or heavy and objectsthatroll can damagethe EASY-PACK trunk boxand bethrown out.
#Do not transport objects which aresharp-edged, pointed,rounded or frag‐ile and objectsthatroll inthe EASY-PACK trunk box.
#Alwaysstowand secure such objectsoutside ofthe box inthe trunk.
#Always observethe maximum permittedload ofthe EASY-PACK trunk box.
#Do not usethe EASY-PACK trunk boxwhentherear seats arefoldedfor‐wards.
The maximum permitted load ofthe EASY-PACKtrunk box is 22 lbs (10kg).Topreventthe boxfrom beingoverloaded,the boxfloor will lowerontothe trunkfloor whenthe loadreachesapproximately11lbs (5kg).
#Toremove:pull handle2onthe box.
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Driving
Notes on Mercedes-AMGvehicles
Observethe notes onthefollowingtopics intheSupplement, asyou mayotherwisefailtorecog‐nize dangers:
RAMGPerformanceexhaust system
RAMG high-performance brake system andAMG ceramic high-performance compositebrake system
RRACESTART
RAMG adaptive sportsuspension system
Switching onthe power supplyor ignitionusingthestart/stop button
&WARNINGRisk of accident and injuryduetochildren left unattended inthevehicle
Ifchildren are left unattended inthevehicle,theycould:
Ropen doors,thereby endangeringotherpersons orroad users.
Rget out ofthevehicle and be hitbyoncoming traffic.
Roperate vehicle equipment and becometrapped,forexample.
In addition,children could also setthevehi‐cle in motion,forexample,by:
Rreleasingthe parking brake.
Rshiftingthe automatic transmission out ofpark position].
Rstartingthe engine
#Never leavechildren and animals unat‐tended inthevehicle.
#When leavingthevehicle, alwaystakethe SmartKeywithyou and lockthevehicle.
#Keepthe SmartKeyout ofthereach ofchildren.
&DANGERRisk offatal injuries duetoexhaustgases
Combustion engines emit poisonousexhaustgases such as carbon monoxide. Inhalingtheseexhaustgases is hazardoustohealthand can leadtopoisoning.
#Never leavethe enginerunning in anenclosed space without sufficientventi‐lation.
&WARNINGRisk offirecausedbyflam‐mable material ontheexhaust system
Flammable materials brought inbyeither ani‐mals or environmental influences may ignite
Driving and parking167