esp MERCEDES-BENZ S CLASS 2019 User Guide

thevehicle belt outlet. If necessary,adjustthe seat belt outlet andthe frontpassenger seat accordingly.
#Always observethechildrestraint sys‐tem manufacturer's installation instruc‐tions.
When installing achildrestraint system onthefront passenger seat, observethevehicle-spe‐cific information (→page57).
If a person is sitting onthe front passengerseat:PASSENGER AIRBAG OFF may be lit con‐tinuously or be off, depending onthe person'sstature.
A person onthe front passenger seat mustalways observethefollowing information:
RIfthe front passenger seat is occupiedbyanadult or a person with astature correspond‐ingtothat of an adult,thePASSENGER AIRBAG OFF indicator lamp must be off. Thisindicatesthatthe front passenger front air‐bag is enabled.
IfthePASSENGER AIRBAG OFF indicatorlamp is lit continuously,an adult or person
with a build correspondingtothat of an adultshould not usethe front passenger seat.Instead,theyshould use arear seat.
RIfthe front passenger seat is occupiedby aperson of smallerstature (e.g. ateenager orsmall adult),thePASSENGER AIRBAG OFFindicator lamp either lights up continuouslyorremains off, depending ontheresult oftheclassification.
-IfthePASSENGER AIRBAGOFF indicatorlamp is off: movethe front passengerseat asfar back as possible orthe personof smallerstature should use arear seat.
-IfthePASSENGER AIRBAGOFF indicatorlamp is lit continuously:the person ofsmallerstature should not usethe frontpassenger seat.
&WARNINGRisk of injuryor death whenthePASSENGER AIRBAG OFF indicatorlamp is lit
IfthePASSENGER AIRBAG OFF indicatorlampremains lit afterthe system self-test,the front passenger air bag is deactivated. It
will not be deployed intheevent of an acci‐dent. Inthis case,the front passenger air bagcannotperformits intended protective func‐tion, e.g. when a person is seated inthe frontpassenger seat.
That person could,forexample, come intocontact withthevehicle interior, especially ifthe person is sittingtoo closetothe cockpit.
Ifthe front passenger seat is occupied,always ensurethat:
RThe classification ofthe person inthefront passenger seat is correct andthefront passenger air bag is enabled ordeactivated in accordance withthe per‐son inthe front passenger seat.
RThe person is seated properly with a cor‐rectlyfastened seat belt.
RThe front passenger seat has been movedasfar back as possible.
Be suretoalso observethefollowing furtherrelated subjects:RChildrestraint system onthe front passengerseat (→page57).
Occupant safety45

If an accident did not occur,the pre-emptivemeasuresthatweretaken arereversed.
System limitations
The system will not initiate any action inthefol‐lowing situations:
Rwhen backing up
The system will not initiate any braking applica‐tion inthefollowing situations:
Rwhilst driving
or
Rwhen entering orexiting a parking spacewhile usingActiveParking Assist
Safely transportingchildren inthevehicle
Always observewhenchildren are travelinginthevehicle
%Alsostrictly observethe safety notesforthespecific situation. Inthiswayyou canrecog‐nize potentialrisks andavoid dangers ifchil‐dren are traveling inthevehicle(→page 48).
Be diligentBear in mindthat neglectingtosecure achild inthechildrestraint system may haveserious con‐sequences. Always be diligent in securing achildcarefully beforeeveryjourney.
Toimproveprotectionforchildrenyoungerthan12years old or under 5ft(1.50 m) in height,Mercedes-Benzrecommendsyou observethefollowing information:
RAlways securethechild in achildrestraintsystem suitableforthis Mercedes-Benzvehi‐cle.
RThechildrestraint system must be appropri‐atetothe age,weight and size ofthechild.
RThevehicle seat must be suitablefor instal‐ling achildrestraint system.
Accidentstatistics showthatchildren secured intherear seats aregenerally saferthanchildrensecured inthe front seats.Forthisreason,Mercedes-Benzstrongly advisesthatyou installachildrestraint system on arear seat.
Genericterm"childrestraint system"
Thegenerictermchildrestraint system is usedinthis Operator's Manual. Achildrestraint sys‐tem is,forexample:
Ra baby car seat
Rarearward-facingchild seat
Raforward-facingchild seat
Rachild booster seat with a backrest and seatbelt guide
Mercedes-Benzrecommends using achildbooster seat with a backrest.
Thechildrestraint system must be appropriatetothe age,weight and size ofthechild.
Observing lawsand legalrequirementsAlways observethe legalrequirements whenusing achildrestraint system inthevehicle.
Occupant safety47

Ifyou install achildrestraint system ontherecliningrear seat, be suretoobservethechildrestraint system manufacturer's installationinstructions.
Do not alterthechildrestraint system
&WARNINGRisk of injuryduetomodifi‐cationstothechildrestraint system
Thechildrestraint system may no longerfunction as it is supposedtoifyou makemodifications or attach objectstoit, e.g.toysor unsuitable accessories. This poses anincreasedrisk of injury!
Never modifythechildrestraint system. Onlyattach accessories whichthe manufacturerofthechildrestraint system has authorizedespeciallyforthischildrestraint system.
Only usechildrestraint systems which are inproperworking condition
&WARNINGRisk of injuryor death causedbythe use of damagedchildrestraintsystems
Childrestraint systems ortheirretaining sys‐temsthat havebeen subjectedtoa load inan accident maythen not be abletoperformtheir intended protective function.
Thechild cannot berestrained intheevent ofan accident, heavy braking or a suddenchange of direction.
#Alwaysreplacechildrestraint systemsimmediatelythat havebeen damaged orinvolved in an accident.
#Havethe securing systemsforthechildrestraint systemschecked at aqualifiedspecialistworkshop before installing achildrestraint system again.
Avoiding direct sunlight
&WARNINGRisk of burns whenthechildseat isexposedtodirect sunlight
Ifthechildrestraint system isexposedtodirect sunlight or heat, parts could heat up.
Children could suffer burns fromthese parts,particularly on metallic parts ofthechildrestraint system.
#Always make surethatthechildrestraint system is notexposedtodirect sunlight.
#Protect it with a blanket,forexample.
#Ifthechildrestraint system has beenexposedtodirect sunlight, allow ittocool before securing achild into it.
#Never leavechildren unattended inthevehicle.
50Occupant safety

restrained intheevent of an accident,forexample.
#Ifthechild andthechildrestraint sys‐temtogetherweigh morethan73lb(33kg), useonly aLATCH-type (ISOFIX)childrestraint systemthat securesthechild withthevehicle seat belt.
#Also securethechildrestraint systemwiththeTopTether belt, ifavailable.
Always comply withthe information aboutthemass ofthechildrestraint system:
Rinthe manufacturer's installation and operat‐ing instructionsforthechildrestraint systemused
Ron a label onthechildrestraint system, ifpresent
Regularlycheckthatthe permissible gross massofthechild andchildrestraint system isstillcomplied with.
Whenyou are installing achildrestraint system,observethefollowing:
sAlways observethe correct use andthe suit‐ability ofthe seatsfor attaching achildrestraint system.
sAlways comply withthe manufacturer'sinstallation and operating instructionsforthechildrestraint system used.
sMake surethatthechild'sfeetdo nottouchthe front seat. If necessary,movethe frontseatforward slightly.
Whenyou are installing aLATCH-type(ISOFIX)childrestraint system, observethefol‐lowing:
sWhenyou are using a Group 0/0+ babycar seat and a Group 1rearward-facingchildrestraint system on arear seat:adjustthe front seat sothatthe seat doesnottouchthechildrestraint system.
sWhenyou are using a Group 1forward-facingchildrestraint system:removetheheadrestraint fromtherespective seat, if
possible. In addition,the seat backrest ofthechildrestraint system must, asfar aspossible, lieflat againstthe backrest ofthevehicle seat.
Afterthechildrestraint system has beenremoved,replacethe headrestraints againimmediately and adjustthem correctly.
sFor certainchildrestraint systems inweightgroup 2 or 3,there may berestrictions inthe maximum size setting, e.g. duetopossi‐ble contact with theroof.
sThechildrestraint system must not beten‐sioned betweentheroof andthe seat cush‐ion and/or be installedfacingthe wrongdirection. Where possible, adjustthe seatcushion inclination accordingly.
sThechildrestraint system must not be putunderstrainbythe headrestraints.Adjustthe headrestraints accordingly.
54Occupant safety

restraint fromtherespective seat, if possi‐ble.
Afterremovingthechildrestraint system,replacethe headrestraints again immedi‐ately and adjustthem correctly.
sThe backrestoftheforward-facingchildrestraint system must, asfar as possible, beresting onthe seat backrest oftherearseat.
sFor certainchildrestraint systems inweightcategory II or III,there may berestrictions inthe maximum size setting, e.g. duetopossi‐ble contact with theroof.
sThechildrestraint system must not be putunderstrain betweentheroof andthe seatcushion and/or be installedfacingthewrong direction. Where possible, adjusttheseat cushion inclination accordingly.
sThechildrestraint system must not be putunderstrainbythe headrestraints.Adjustthe headrestraints accordingly.
sMake surethatthechild'sfeetdo nottouchthe front seat. If necessary,movethe frontseatforward slightly.
The seat belts onthefollowing seats are equip‐ped with a special seat beltretractor:
RFront passenger seat
RRear seats
Vehicles with seat belt buckleextenders:when securing achild in achildrestraint systemon arear seat, observethefollowing notes:
RMake surethatthe seat belt isfastened onthechildrestraint system accordingtothemanufacturer's installation instructionsforthechildrestraint system.
RForchildrestraint systems with a belt clamp:engagethe seat belttongue intothe seat beltbuckle beforeyou tightenthe seat belt usingthe belt clamp.
When enabled,the special seat beltretractorensuresthatthe seat belts ofthe frontpassenger seat andrear seats do not slackenoncethechildrestraint system is secured(→page 53).
#Installthechildrestraint system.The entire base ofthechildrestraint systemmust alwaysrestonthe sitting surface oftherear 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.
Notes onrearward-facing andforward-facingchildrestraint systems onthe frontpassenger seat
&WARNINGRisk of injuryor death fromusing arearward-facingchildrestraintsystem whenthe front passenger frontairbag is enabled
Ifyou secure achild in arearward-facingchildrestraint system onthe front passengerseat andthePASSENGER AIRBAG OFF indi‐cator lamp is off,the front passenger airbagcan deploy intheevent of an accident.
Occupant safety57

Thechild could bestruckbythe airbag.
Always ensurethatthe front passenger air‐bag is deactivated. ThePASSENGER AIRBAGOFF indicator lamp must be lit.
NEVER use arearward-facingchildrestraintsystem on a seat protectedbyan ENABLEDFRONT AIRBAGin front of it, DEATH or SERI‐OUS INJURYtotheCHILD can occur.
Observethe specific instructionsfortherear‐ward-facing andforward-facingchildrestraintsystems (→page 58).
Warning notice onthe front passenger sun visor
Always observethestatus ofthe front passengerfront airbag onthePASSENGER AIRBAG OFFindicator lamp:
RWhen using arearward-facingchildrestraintsystem onthe front passenger seat,the frontpassenger front airbag must always be disa‐bled. This is onlythe case ifthePASSENGERAIRBAG OFF indicator lamp is lit continu‐ously (→page 43).
RIfthePASSENGER AIRBAG OFF indicatorlamp is off,the front passenger front airbagis enabled. The front passenger front airbagmay deploy during an accident.
Securingthechildrestraint system withtheseat belt onthe front passenger seat
When installing a belt-securedchildrestraintsystem onthe front passenger seat, alwaysobservethefollowing:
sObservethechildrestraint system manufac‐turer's installation and operating instruc‐tions.
sWhen using aforward-facingchildrestraintsystem in Group I:removethe headrestraint fromtherespective seat, if possi‐ble.
Whenyouremovethechildrestraint sys‐tem, installthe headrestraint again immedi‐ately and adjust allthe headrestraints cor‐rectly.
sThe backrest oftheforward-facingchildrestraint system must lie asflat as possible
againstthe backrest ofthe front passengerseat.
sFor certainchildrestraint systems inweightgroup II or III,there may berestrictions inthe maximum size setting, e.g. duetopossi‐ble contact with theroof.
sThechildrestraint system must not be putunderstrain betweentheroof andthe seatcushion and/or be installedfacingthewrong direction.Adjustthe seat backrestinclination accordingly.
sThechildrestraint system must not be putunderstrainbythe headrestraints.Adjustthe headrestraints accordingly.
sNever place objects under or behindthechildrestraint system, e.g. cushions.
The seat belt onthe front passenger side isequipped with a special seatbeltretractor.
When activated,the special seatbeltretractorensuresthatthe seat belt does not slacken oncethechildrestraint system is secured(→page 53).
58Occupant 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

Ifyou do not openthevehicle within approx‐imately 40 seconds after unlocking:
RThevehicle is locked again
RAnti-theft protection isreactivated
Do notkeepthe SmartKeytogether with elec‐tronic devices or metal objects. This can affectthe SmartKey's functionality.
Do notkeepthe SmartKeyinthetemperature-controlled cup holder. Otherwise,the SmartKeywill not bereliably detected.
%If batterycheck lamp2does not light upafter pressingthe6or7button,thebattery is discharged.
Activating/deactivating the acoustic lockingverification signal
Multimedia system:
,Vehicle.îVehicle Set-
tings.Acoustic Lock
#Activatesor deactivateSthe function.
Activating/deactivating the panic alarm
Requirements:RThe ignition is switched off
%The panic alarm function is onlyavailable incertain countries.
#Toactivate:press button1for approx‐imatelyone second.A visual and audible alarm is triggered.#Todeactivate:briefly press button1again.
or
#Pressthestart/stop button onthe cockpit(the SmartKeyis insidethevehicle).
Changingthe unlocking settings
Possible unlocking functions ofthe SmartKey:
RCentral unlocking
RUnlockingthe driver's door and fuelfillerflap
#Toswitch between settings:pressthe6and7buttons simultaneouslyforapproximately six seconds untilthe batterycheck lampflashes twice.
Ifthe unlocking functionforthe driver's doorand fuelfillerflap has been selected:
RPressingthe6button a second time cen‐trally unlocksthevehicle
RVehicles with KEYLESS-GO:Ifyoutouchthe inner surface ofthe door handle onthedriver's door, onlythe driver's door and fuelfillerflap are unlocked.
Deactivatingthe SmartKeyfunctions
Ifyou do not usethevehicle or a SmartKey foranextended period of time,you canreducetheenergy consumption oftherespective Smart‐
Opening and closing63

Key .Todo so, deactivatethe SmartKeyfunc‐tions.
#Todeactivate:pressthe7button ontheSmartKeytwice inquick succession.The batterycheck lamp ofthe SmartKeyflashes twice brieflyand lights up once.
#Toactivate:press any button onthe Smart‐Key.
%Whenthevehicle isstarted withthe Smart‐Key inthestowage compartment ofthe cen‐ter console,the SmartKeyfunctions areautomaticallyactivated (→page169).
Removing/inserting the emergencykey
#Toremove:pressrelease button1.Emergencykey2is pushed out slightly.
#Pull out emergencykey2until it engages inthe intermediate position.
%You can usethe intermediate position ofemergencykey2toattachthe SmartKeytoakeyring.
#Pressrelease button1again and fullyremoveemergencykey2.
#Toinsert:pressrelease button1.
#Insert emergencykey2tothe intermediateposition or fully until it engages.
Replacing the SmartKeybattery
&DANGERSerious damagetohealthcausedbyswallowing batteries
Batteries containtoxic and corrosive sub‐stances. Swallowing batteries may causeserious damagetohealth.
There is arisk offatal injury.
#Keep batteries out ofthereach ofchil‐dren.
#If batteries are swallowed, seek medicalattention immediately.
+ENVIRONMENTALNOTEEnvironmentaldamagecausedbyimproper disposal ofbatteries
Batteries contain pollutants. It isillegaltodispose ofthem withthe householdrubbish.
#
Dispose of batteries in anenvironmentallyresponsible manner.Takedischarged batteriestoaqualifiedspecialistworkshop ortoa collectionpointfor used batteries.
64Opening and closing

#Tounlock:turnthe emergencykey counter-clockwisetopositionG.
#Tolock:turnthe emergencykey clockwisetopositionG.
#Carefully pressthe cover ontothe lock cylin‐der until it engages and is seatedfirmly.
Trunk
Openingthe trunk lid
&DANGERRisk ofexhaustgas poisoning
Combustion engines emit poisonousexhaustgases such as carbon monoxide. Exhaustgases can enterthevehicle interior ifthetrunk lid is open whenthe engine isrunning,especially ifthevehicle is in motion.
#Always switch offthe engine beforeopeningthe trunk lid.
#Never drive withthe trunk lid open.
*NOTEDamagetothe trunk lidbyobsta‐cles abovethevehicle
The trunk lid swings upwards when it isopened.
#Therefore, make surethatthere is suffi‐cient clearance abovethe trunk lid.
You havethefollowing optionsfor openingthetrunk lid:
#Pullthe trunk lid handle.
#Vehicles with trunk lid convenience clos‐ing:With the trunk lidstopped in an inter‐mediate position, pullthe trunk lid upwardsandrelease as soon as it beginstoopen.
#Press and holdthe