engine MERCEDES-BENZ S CLASS 2019 User Guide

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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Settingthe fullyreclined position ofthe frontpassenger seat (chauffeur mode)
Settingthereclined position
This function isavailable invehicles withthefol‐lowing equipment:
RElectrically adjustablerear seats
RIndividualrear seat without a legrest
You can movethe front passenger seat into afullyreclined position. Therear seat and frontpassenger seatthen provide a continuous sur‐face.
#Putthe seat cushion oftherear seat alltheway back inthefore-and-aft position(→page97).
#Movethe front passenger seat into positionforchauffeur mode (→page100).
#Removethe front passenger headrestraint(→page101).
#Movethe front passenger seat sothatthebackrest is in a fullyreclined position(→page93).
Leaving thereclined position
#Foldthe front passenger seat backrestuprighttoa suitable position.
#Installthe front passenger headrestraint(→page101).
Headrestraints
Adjusting the front seat headrestraintsmechanically
&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,the
steering wheel orthe mirror andfastenyour seat belt.
&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.
#Always drive withthe headrestraintsinstalled.
#Before driving off, make sureforeveryvehicle occupantthatthe center oftheheadrestraint supportsthe back ofthehead at abouteye level.
Do not interchangethe headrestraints ofthefront andrear seats. Otherwise,you will not beabletoadjustthe height and angle ofthe headrestraints correctly.
104Seats andstowing

#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).
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Example:vehicles without arecliningrear seat
#Press and holdtherelevant preset positionbutton1,2 or 3 until bothseats are inthestored position.
%The preset positions inthe areaforthechauffeur mode can only be set whentheconditionsforthechauffeur mode are fulfil‐led (→page 99).
%Seat adjustment is interrupted as soon asyoureleasethe preset position button.The adjustment ofthe active multicontourseat isstill carried out.
%You can usetherear-compartmentchildsafety locktodeactivatethis function(→page 60).
Stowage areas
Notes on loadingthevehicle
&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.
&WARNINGRisk of injuryfrom unsecureditems inthevehicle
If objects, luggage or loads are not securedor not secured sufficiently,theycould slip,tipover or bethrown around andthereby hitvehicle occupants.
There is arisk of injury,particularly intheevent of sudden braking or a suddenchangein direction.
#Alwaysstowobjects in such awaythattheycannot bethrown around.
#Beforethe journey,secure objects, lug‐gageor loads against slipping or tippingover.
&WARNINGRisk of injuryduetoobjectsbeingstowed incorrectly
Ifyou do not adequatelystowobjects inthevehicle interior,theycould slip or betossedaround andtherebystrikevehicle occupants.In addition, cup holders, openstowagespaces and mobile phone brackets cannot
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Exterior lighting
Information about lighting systems andyourresponsibility
Thevarious lighting systems ofthevehicle areonly aids. The driver ofthevehicle isresponsiblefor correctvehicle illumination in accordancewiththe prevailing light and visibility conditions,legalrequirements and traffic situation.
Light switch
Operating the light switch
GcLeftstanding light
HdRightstanding light
I`Parking lights and license plate lamp
JXAutomatic driving lights (preferred lightswitch position)
KXLow beam/high beam
6^Switchestherearfog lights on or off
When low beam is activated,the`indicatorlampforthe parking lights is deactivated andreplacedbytheXlow beam indicator lamp.
#Always parkyourvehicle safely and in awell-lit area, in accordance withtherelevant legalstipulations.
*NOTEBattery dischargingbyoperatingthestanding lights
Operatingthestanding lightsover a period ofhours puts astrain onthe battery.
#Where possible, switch ontherightdor leftcparking light.
Inthe case of severebattery discharging,thestanding lights or parking lights are automati‐cally switched offtofacilitatethe next enginestart.
Theexterior lighting (exceptstanding and park‐ing lights) switches off automatically whenthedriver's door is opened.
Light and visibility14 5

#Ifyou come into contact with electro‐lyte, observethefollowing:RRinsethe electrolyte fromyour skinand seek medical attention immedi‐ately.
RIf electrolyte comes into contactwithyoureyes,rinsethemthor‐oughly with cleanwater and seekmedical attention immediately.
RIfthe electrolyte is swallowed,immediatelyrinseyour mouth outthoroughly. Do not inducevomiting.Seek medical attention immediately.
RImmediatelychange out of clothingwhich has come into contact withelectrolyte.
RIf an allergicreaction occurs, seekmedical attention immediately.
The insiderearview mirror andthe outside mir‐ror onthe driver's side automatically go intoanti-glare mode if light from a headlamp hitsthesensor onthe insiderearview mirror.
System limitations
The system does not go into anti-glare mode inthefollowing situations:
Rthe engine is switched off
Rreversegear is engaged
Rthe interior lighting is switched on
Function ofthe front-passenger outside mir‐ror parking position
The parking position makes parking easier.
The front-passenger outside mirror tilts down‐wards and shows therear wheel onthe front-passenger side inthefollowing situations:
Rthe parking position isstored (→page156)
Rthe passenger mirror is selected
Rreversegear is engaged
The front-passenger outside mirror moves backtoits original position inthefollowing situations:
Ryou shiftthe transmissiontoanother trans‐mission position
Rat speeds greaterthan 9mph (15 km/h)
Ryou pressthe buttonforthe outside mirroronthe driver's side
Storingthe parking position ofthe front-passenger outside mirror usingreversegear
Storing
15 6Light and visibility

Overview of climate control systems
Notes on climate control
An interior airfilter must always be used sothatthe air conditioning system, pollution level moni‐toring andthe airfiltering functionworkcor‐rectly. Makesurethatthefilter is installed cor‐rectly andthefilter housing inthe engine com‐partment is closed correctly usingthe cap andalways tightly sealed when in operation. Usefil‐tersrecommended and approvedbyMercedes-Benz. Always haveserviceworkcarried out at aqualified specialistworkshop.
Overview ofthe control panelfor automaticclimate control
Plug-inhybrid:observethe notes inthe Supple‐ment. Otherwise,you mayfailtorecognize dan‐gers.
The indicator lamps inthe buttons indicatethatthe corresponding function is activated.
1XSets climate controltoautomatic, left(→page160)
2

Switchingresidual heat on/off inthe frontcompartment
Requirements:RThevehicle is parked.
It is possibletomake use oftheresidual heatfromthe enginetocontinue heating orventilat‐ingthe front compartment ofthevehicleforapproximately 30 minutes, depending onthetemperature set.
#
Toswitch on:presstheorVbut‐ton.
Residual heat will be switched off automatically.
Switchingresidual heat on/off intherearpassenger compartment
Requirements:RThevehicle is parked.
Whentheresidual heat ofthe engine is activatedintherear passenger compartment,you can
heat orventilatethe front andrear compart‐mentsfor approximately15minutes.
#Press button5.
Activating/deactivating ionization
Multimedia system:
,Vehicle.bClimate Control.Ioni-
zation
Ionization cleans andrefreshesthe interior air ofthevehicle. The ionization ofthe interior air isodorless.
#Activatesor deactivateSthe function.
Fragrance system
Settingthe fragrance system
Requirements:RAutomatic climatecontrol is activated.
RTheglovebox is closed.
Multimedia system:
,Vehicle.bClimate Control.Air
Freshener
The fragrance system distributes a pleasant fra‐grancethroughoutthevehicle interior from afla‐con located intheglovebox.
#Tosetthe intensity:selectHigh,Medium,LoworOff.
Inserting orremoving theflacon ofthe fra‐grance system
&WARNINGRisk of injuryfrom liquid per‐fume
Ifchildren opentheflacon,theycould drinkthe liquid perfume or it could come into con‐tact with theireyes.
#Do not leavechildren unattended inthevehicle.
#Consult a doctor immediately if liquidperfume has been drunk.
Climate control16 3

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

iftheycome into contact withhot parts ofthe engine orexhaust system.
#Therefore,checkregularlythatthereare noflammable materials intheengine compartment or ontheexhaustsystem.
Requirements:RThe SmartKeyis located inthevehicle andthe SmartKeybattery is not discharged.
#Toswitch onthe power supply:press but‐ton1once.You can activatethe windshield wipers,forexample.
The power supplyis switched off again ifthefol‐lowing conditions are met:
Ryou openthe driver's door
Ryou press button1twice.
#Toswitch onthe ignition:press button1twice.The indicator lamps inthe instrument clusterlight up.
The ignition is switched off again if one ofthefollowing conditions is met:
Ryou do notstartthevehicle within15minutes.
The transmission is in position].
or
The electric parking brake is applied.
Ryou press button1once.
Starting thevehicle
Starting thevehicle withthestart/stop but‐ton
Requirements:RThe SmartKeyis located inthevehicle andthe SmartKeybattery is not discharged.
#Shiftthe transmissiontoposition]or\\.
16 8Driving and parking