2019 MERCEDES-BENZ S CLASS child lock

1Adjuststhe seats electrically→93
2Switchesthe seat heater on/off→11 0
3Switchesthe seatventilation on/off→11 2
4Adjuststhe front passenger seat fromthedriver’sseat
→95
5Setsthe memory function→11 5
6bOpens/closestherear left side window→78
7bOpens/closesthe left side window→78
8Adjusts andfoldsthe outside mirrorsout/inelectrically
→154
9Opens/closesthe trunk lid→70
AbOpens/closestheright side window→78
BbOpens/closestherearright side win‐dow
→78
CChild safety lockfortherear side windows→60
DOpensthe door→66
E7Locksthevehicle→67
F6Unlocksthevehicle→67
GSeat adjustment usingthe multimedia system→109
HAdjuststhe headrestraints→104
Ataglance – Door control panel and seat adjustment13

Observewhenstopping or parking
&WARNINGRisk of accident and injuryduetochildren and animals left unatten‐ded inthevehicle
Ifyou leavechildren and animals unattendedinthevehicle,theymay be abletosetthevehicle in motion,forexampleby:
RReleasingthe parking brake.
RShiftingthe automatic transmission outof park position].
RStartingthe engine.
In addition,theymay operatevehicle equip‐ment and become trapped.
#Never leavechildren and animals unat‐tended inthevehicle.
#When leavingthevehicle, alwaystakethe SmartKeywithyou and lockthevehicle.
&WARNINGRisk offatal injury duetoexposuretoextreme heat or cold inthevehicle
If people – particularlychildren – areexposedtoextremetemperaturesover an
extended period of time,there is arisk ofserious orevenfatal injury.
#Never leaveanyone – particularlychil‐dren – unattended inthevehicle.
#Never leaveanimals inthevehicle unat‐tended.
Occupant safety51

#Setthe front passenger seat asfar back aspossible and movethe seat intothe highestposition.
#Fullyretractthe seat cushion length adjust‐ment.
#Adjustthe seat cushion inclination sothatthe front edge ofthe seat cushion is inthehighest position andtherear edge oftheseat cushion is inthe lowestposition.
#Setthe seat backresttoan almostverticalposition.
#Installthechildrestraint system.The entire base ofthechildrestraint systemmust alwaysrestonthe seat cushion ofthefront passenger 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.
#If necessary,adjustthe seat belt outlet andthe front passenger seat accordingly.
Child safety locks
Activating/deactivating thechild safety lockfor therear doors
&WARNINGRisk of accident and injuryduetochildren and animals left unatten‐ded inthevehicle
Ifyou leavechildren and animals unattendedinthevehicle,theymay be abletosetthevehicle in motion,forexampleby:
RReleasingthe parking brake.
RShiftingthe automatic transmission outof park position].
RStartingthe engine.
In addition,theymay operatevehicle equip‐ment and become trapped.
#Never leavechildren and animals unat‐tended inthevehicle.
#When leavingthevehicle, alwaystakethe SmartKeywithyou and lockthevehicle.
&WARNINGRisk offatal injury duetoexposuretoextreme heat or cold inthevehicle
If people – particularlychildren – areexposedtoextremetemperaturesover anextended period of time,there is arisk ofserious orevenfatal injury.
#Never leaveanyone – particularlychil‐dren – unattended inthevehicle.
#Never leaveanimals inthevehicle unat‐tended.
&WARNINGRisk of accident and injuryduetochildren left unattended inthevehicle
Whenchildren are traveling inthevehicle,theycould:
Ropen doors,thereby endangeringotherpeople orroad users
Rgetout ofthevehicle and be hitbytraffic
Roperatevehicle equipment and becometrapped,forexample
Occupant safety59

#Whenchildren are traveling inthevehi‐cle, always activatetheavailablechildsafety locks.
#Never leavechildren unattended inthevehicle.
#When leavingthevehicle, alwaystakethekey withyou and lockthevehicle.
Child safety locksfortherear doors andtherearside windowsareavailable.Thechild safety lock ontherear doors secureseach door separately.The doors can no longerbe opened fromthe inside.
#Pressthe lever in direction1(activate) or2(deactivate).
#Make surethatthechild safety locksareworking properly.
Activating/deactivating thechild safety lockfor therear side windows
#Toactivate/deactivate:press button2.
Opening/closingthe side window intherearpassenger compartment is possible:
Rwith indicator lamp1lit: viathe switchonthe driver's door
60Occupant safety

Rwith indicator lamp1off: viathe switchonthe correspondingrear door or driv‐er's door
Whenthechild safety lock is activated,the con‐trols intherear passenger compartment are dis‐abledfor:
Rtherear side windows
Rthe adjustment ofthe front passenger seatfromtherear passenger compartment
Rtheroller sunblinds:
-oftherear side windows
-oftherear window
-intheroof
Notes on pets inthevehicle
&WARNINGRisk of accident and injuryduetoanimals left unsecured or unat‐tended inthevehicle
Ifyou leaveanimals inthevehicle unatten‐ded or unsecured,theycould possibly pressdown buttons or switches.
Therebyan animal may:
Ractivatevehicle equipment and becometrapped,forexample
Rswitchsystems on or off and endangerotherroad users
Unsecured animals may bethrown around inthevehicle intheevent of an accident orsuddensteering and braking maneuver andinjurevehicle occupants inthe process.
#Never leaveanimals inthevehicle unat‐tended.
#Always correctly secureanimals whiledriving,forexample using a suitableanimal carrier.
Occupant safety61

SmartKey
Overview of SmartKeyfunctions
&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.
*NOTEDamagetothekey causedbymagneticfields
#Keepthekeyawayfromstrong mag‐neticfields.
1Locks
2Batterycheck lamp
3Unlocks
4Opens/closesthe trunk lid
5Panic alarm
The SmartKey locksand unlocksthefollowingcomponents:
RDoors
RTrunk lid
RFuelfillerflap
62Opening 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

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