key MERCEDES-BENZ S CLASS 2019 User Guide

Locking/unlockingthevehicle centrally fromthe inside
#Tounlock:press button1.
#Tolock:press button2.
This does not lock or unlockthe fuelfillerflap.
Thevehicle is not unlocked:
RIfyou havelockedthevehicle usingtheSmartKey.
RIfyou havelockedthevehicle using KEY‐LESS-GO.
Locking/unlockingthevehicle with KEY‐LESS-GO
Requirements:RThe SmartKeyis outsidethevehicle.
RThe distance betweenthe SmartKeyandthevehicle does notexceed 3ft(1 m).
RThe driver's door andthe door at whichthedoor handle is used are closed.#Tounlockthevehicle:touchthe inner sur‐face ofthe door handle.
#Tolockthevehicle:touch sensor surface1or2.
#Convenience closing:touchrecessed sen‐sor surface2for anextended period.
%Further information on convenience closing(→page80).
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Ifyou openthe trunk lid from outside,the trunklid is automatically unlocked.
Problems with KEYLESS-GO
ProblemPossible causes/consequences andPPSolutions
You can no longer lock or unlockthevehicle using KEYLESS-GO.Possible causes are:
RThe SmartKeybattery isweak or discharged.
RThere is interference from a powerfulradio signal source.
RThe SmartKeyis defective.
#Checkthe battery usingthe batterycheck lamp andreplace if necessary (→page64).
#Usethe mechanicalkeytolock or unlockthevehicle (→page64).
#Havethevehicle and SmartKeychecked at aqualified specialistworkshop.
Switchingthe automatic lockingfeatureon/off
Thevehicle is locked automatically whentheignition is switched on andthe wheels are turn‐ingfasterthanwalking pace.
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#Todeactivate:press and hold button1forapproximatelyfiveseconds until an acousticsignal sounds.
#Toactivate:press and hold button2forapproximatelyfiveseconds until an acousticsignal sounds.
Inthefollowing situations,there is a danger ofbeing locked out whenthe function is activated:
RThevehicle is beingtowed/pushed.
RThevehicle is beingtested on a dynamome‐ter.
Information onthe power closing functionfor the doors
Ifyou pushthe door intothe locktothefirstdetent position,the power closing function willautomatically pullthe door intothe lock.
Locking/unlockingthe driver's door withtheemergencykey
%Ifyou wishtolockthevehicle entirely usingthe emergencykey,first pressthe buttonforlocking fromthe inside whilethe driver'sdoor is open. Then proceedtolockthe driv‐er's door usingthe emergencykey.#Insertthe emergencykey asfar as it will gointo opening1inthe cover.
#Pull and holdthe door handle.
#Pullthe cover onthe emergencykey asstraight as possibleawayfromthevehicleuntil itreleases.
#Releasethe door handle.
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#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

When makingthe kicking movement, make surethatyourfeetarefirmly onthe ground,other‐wiseyou could loseyour balance, e.g. on ice.
Requirements:
RThe SmartKeyis behindthevehicle.
RStand at least12in (30 cm)awayfromthevehicle while performingthe kicking move‐ment.
RDo not come into contact withthe bumperwhile makingthe kicking movement.
RDo not carryoutthe kicking movementtooslowly.
RThe kicking movement must betowardsthevehicle and back again.
1Sensor detectionrange
If several consecutive kicking movements arenot successful,waitten seconds.
System limitations
The system may be impaired or may not functionif:
RSnow or dirt, e.g. fromroad salt, coversthesensor area.
RThe kicking movement is made using a pros‐thetic leg.
The trunk lid could be opened or closed uninten‐tionally, inthefollowing situations:
RIf a person's arms or legs are moving inthesensor detectionrange, e.g. when polishingthevehicle, sitting onthe edge ofthe trunk,or picking up objects.
RIf objects are moved or placed behindthevehicle, e.g.charging cables,tensioningstraps or luggage.
RWhenworking onthe trailer coupling, trailersorrear bicycleracks.
Deactivate KEYLESS-GO (→page 63) or do notcarrythe SmartKeyaboutyour person intheseand similar situations.
Switching separate trunk locking on/off
Ifyou centrally unlockthevehicle while separatelocking is activated,the trunk willremain locked.
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#Toswitch on:slidethe switchtopositionH.
#Toswitch off:slidethe switchtopositionG.
%If an accident has been detected,the trunkwill unlockeven if separate locking isswitched on.
Unlockingthe trunk withthe emergencyrelease from inside
Requirements:RThe12Vvehicle battery is connected andcharged.
#Press emergencyrelease button1briefly.The trunk lid unlocksand opens.
Unlockingthe trunk lid usingthe mechanicalkey
#Takethe mechanicalkey out ofthe SmartKey(→page64).
#Insertthe mechanicalkey intothe trunk lockasfar as it will go.
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#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.
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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
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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.
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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).
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