2019 MERCEDES-BENZ S CLASS steering wheel adjustment

Symbols........................................................5
Ataglance....................................................6Cockpit ........................................................... 6Warning and indicator lamps .......................... 8Overhead control panel ................................10Door control panel and seat adjustment .......12Control settings intherear passengercompartment ................................................14Emergencies and breakdowns ......................16
Digital Operator's Manual.........................18Calling upthe Digital Operator's Manual ......18
General notes.............................................19Protectingthe environment ..........................19Genuine Mercedes-Benz parts ......................19Operator's Manual ........................................20Service andvehicle operation .......................21Operating safety ...........................................22Declaration of conformityfor wirelessvehicle components .....................................23Diagnostics connection ................................ 23
Qualified specialistworkshop .......................24Correct use ofthevehicle .............................24Problems withyourvehicle ........................... 25Reporting safety defects ...............................25LimitedWarranty .......................................... 25QR codeforrescue card ...............................26Datastorage .................................................26Copyright ...................................................... 29
Occupant safety.........................................31Restraint system ...........................................31Seat belts ..................................................... 34Airbags ......................................................... 38
PRE-SAFE®system ....................................... 46Safely transportingchildren inthevehi‐cle .................................................................47Notes on pets inthevehicle ..........................61
Opening and closing..................................62SmartKey...................................................... 62Doors ............................................................ 66Trunk ............................................................ 70Roller sun blinds ...........................................76Side windows................................................78
Sliding sunroof ............................................. 82Anti-theft protection .....................................90
Seats andstowing.....................................92Notes onthe correct driver's seat posi‐tion ............................................................... 92Seats ............................................................ 93Steering wheel ............................................11 3Easy entry andexitfeature ..........................11 4Operatingthe memory function ..................11 5Memory function intherear passengercompartment ..............................................11 7Stowage areas ............................................121Cup holder ..................................................131Ashtrayand cigarettelighter .......................134Sockets .......................................................13 6Refrigerator box ..........................................13 9Wirelesscharging ofthe mobile phoneand connection withtheexterior antenna ...141Installing andremovingthefloor mats ........14 3Installing/removingthe pennantstaff ........14 3
Light and visibility...................................14 5Exterior lighting ..........................................14 5
2Contents

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

Switchingthesteering wheel heater on or off
Requirements:RThe power supply orthe ignition is switchedon.
#Turnthe lever inthe direction of arrow1or2.If indicator lamp3lights up,thesteeringwheel heater is switched on.
Easy entry andexitfeature
Usingthe easy entry andexitfeature
&WARNINGRisk of accident when drivingoff while adjustingthe easyexitfeature
‑ Ifyou drive off whilethe easy entryandexitfeature is making adjustments,you couldlose control ofthevehicle.
#Alwayswait untilthe adjustment proc‐ess is completebefore driving off.
&WARNINGRisk of becoming trappedwhile adjustingthe easy entryandexitfeature
Whenthe easy entryandexitfeature adjuststhesteering wheel andthe driver's seat,youandothervehicle occupants – particularlychildren – could become trapped.
#Duringthe adjustment process oftheeasy entryandexitfeature, make surethat no one has any body parts inthesweep ofthe seat orthesteering wheel.
Ifthere is arisk of becoming trappedbythesteering wheel:
#Movethe adjustment lever ofthesteer‐ing wheel.The adjustment process isstopped.
Ifthere is arisk of becoming trappedbythedriver's seat:
#Pressthe seat adjustment switch.The adjustment process isstopped.
Vehicles with memory function:You canstopthe adjustment processbypressing one ofthememory function position buttons.
&WARNINGRisk of becoming trappedduring activation ofthe easy entryandexitfeaturebychildren
Ifchildren activatethe easy entryandexitfeature,theycan become trapped, particu‐larlywhen unattended.
#Never leavechildren unattended inthevehicle.
11 4Seats andstowing

#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

%Depending onthe model, only preset posi‐tion buttons 1 and 2 areavailable.
#Tocall up:press and holdtherelevant pre‐set position button1,2 or 3 untilthe frontseat,thesteering wheel, Head-up Displayand outside mirror are inthestored position.
%Depending onthe model, only preset posi‐tion buttons 1 and 2 areavailable.
%Ifyoureleasethe preset position button,theseat,steering wheel and mirror setting func‐tionsstop immediately.Vehicles withtheActive MulticontourSeatPackage:Settingthe active multicon‐tour seat orthe 4-waylumbar support isstillcarried out.Vehicles withouttheActive MulticontourSeatPackage:Adjustment ofthe 4-waylumbar support isstill carried out.
Memory function intherear passengercompartment
Operatingrear seat viathe memory functionintherear passenger compartment
StoringRear seat settingsfor uptothree people can bestored and called up usingthe memory functionintherear passenger compartment.
Thefollowing settings can bestoredfortherearseats:
RPosition ofthe seat, backrest and headrestraint
RActive multicontour seats:the seat side bol‐sters ofthe seat backrest aswell asthe con‐tour ofthe seat backrest inthe lumbar andshoulderregions
RSeat heating: distribution ofthe heated sec‐tions ofthe seat cushion and seat backrest
#Press button1.Therear seat is selected ifthe indicator lampinthe button does not light up.
#Adjusttherear seat usingthe buttons inthedoor control panel (→page97).
Seats andstowing117

RIfthe driver depressesthe accelerator orbrake pedal duringthe process.
System limitationsRoute-based speed adaptation does nottakeright ofwayregulations into account. The driverisresponsiblefor complying withroad trafficregulations and driving at a suitable speed.
In difficult conditions (e.g. unclearroads, narrowlanes,wetroad surfaces, snow or ice) or whendriving witha trailer,the speed adjustment madebythe system may not always be suitable. Inthese situationsthe driver must interveneaccordingly.
&WARNINGRisk of accident in spiteofroute-based speed adjustment
Route-based speed adjustment might mal‐function or betemporarily unavailable inthefollowing situations:
RIf map data is not uptodate oravailable
RIfyou do notfollowthe selectedrouteguidance
RIfthe setroute isre-planned
RInroad construction areas
RWhentowing a trailer
RIn badweather orroad conditions
RIfthe accelerator pedal is depressed
#Adjustthe speedtothe traffic situation.
Settingroute-based speed adjustment
Requirements:RActive Distance AssistDISTRONIC is activa‐ted.
Multimedia system:
,Vehicle.kAssistance.Speed
Adjustment
#Activatesor deactivateSthe function.
ActiveSteering Assist
Function ofActiveSteering AssistActiveSteering Assist is country-dependent andonlyavailableforvehicles withthe Driving Assis‐tancePackage.
ActiveSteering Assist is operational at speedsupto130mph (210km/h) and helpsyoutostayinthe center ofthe lanebymeans of moderatesteering interventions. It usesthevehicle in frontandthe lane markings as areference dependingonthe driven speed.
Whenthe system is activelysteering,theèsymbol is shown in green inthe multifunctiondisplay.
Steering andtouch detectionThe driver isrequiredtokeeptheir hands onthesteering wheel at all times andtobe abletointervene at any time. The driver mustexpect achange from activetopassive mode or viceversa at any time.
208Driving and parking

Active Distance Assist DISTRONICstatus dis‐play androute-based speed adaptation
1Active Distance AssistDISTRONIC selected,set specified distance (number of segmentsbelowthevehicle)
2Active Distance AssistDISTRONIC deactiva‐ted, speedstored
3Active Distance AssistDISTRONIC active,speedstored, novehicle detected (brightvehicle symbol)
4Active Distance AssistDISTRONIC active,speedstored,vehicle detected (greenvehi‐cle symbol)
5Active Distance AssistDISTRONIC androute-based speed adaptation active, speedstored
%On highways or high-speed majorroads,thegreençvehicle symbol is displayed cycli‐cally whenthevehicle isreadytopullaway.
SpeedometerThestored speed is highlighted onthe speedom‐eter. Ifthe speed ofthevehicle in front orthespeed adjustment is lessthanthestored speedduetotherouteevent ahead,the segments inthe speedometer light up.Activation or deactiva‐tion ofActive Distance AssistDISTRONIC, aswell as alterationstothe speed duetomanual orautomatic adoption ofthe speed limit, are dis‐played inthe controlfeedback ofthe multifunc‐tion display on a single line.
ActiveSteering Assiststatus display
1Graysteering wheel:ActiveSteering Assistswitched on and passive
2Greensteering wheel:ActiveSteering Assistswitched on and active
3Flashingsteering wheel: prompttothe drivertoactively confirmor transition from activetopassivestatus, system limitation detected
Duringthe transition fromthe activetopassivestatus, symbol3is shown as enlarged andflashesyellow.Oncethe system is passive, sym‐bol1is shown as grayinthe multifunction dis‐play.
Driving and parking213