Table Of ContentMercedes-Benz
Operator's Manual
S 320
S 420
S 500
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Product information
Kindlyobservethefollowinginyourownbestinterest:
WerecommendusingMercedes-Benzoriginalpartsaswellasconversionpartsandaccessoriesexplicitlyapprovedbyusfor
yourvehiclemodel.Wehavetestedthesepartstodeterminetheirreliability,safetyandtheirspecialsuitabilityforMercedes-
Benzvehicles.
Weareunabletomakeanassessmentforotherproductsandthereforecannotbeheldresponsibleforthem,evenifinindividualcases
anofficialapprovalorauthorizationbygovernmentalorotheragenciesshouldexist.Useofsuchpartsandaccessoriescould
adverselyaffectthesafety,performanceorreliabilityofyourvehicle.Pleasedonotusethem.Mercedes-Benzoriginalpartsaswellas
conversionpartsandaccessoriesapprovedbyusareavailableatyourauthorizedMercedes-BenzCenterwhereyouwillreceive
comprehensiveinformation,alsoonpermissibletechnicalmodifications,andwhereproperinstallationwillbeperformed.
OurcompanyandstaffcongratulateyouonthepurchaseofyournewMercedes-Benz.
Yourselectionofourproductisademonstrationofyourtrustinourcompanyname.Further,itexemplifiesyourdesiretoownan
automobilethatwillbeaseasyaspossibletooperateandprovideyearsofservice.
YourMercedes-Benzrepresentstheeffortsofmanyskilledengineersandcraftsmen.Toensureyourpleasureofownership,and
foryoursafetyandthatofyourpassengers,weaskyoutomakeasmallinvestmentofyourtime:
(cid:127) Pleasereadthismanualcarefullybeforeputtingitaside.Thenreturnittoyourvehiclewhereitwillbehandyfor
yourreference.
(cid:127) Pleaseabidebytherecommendationscontainedinthismanual.Theyaredesignedtoacquaintyouwiththe
operationofyourMercedes-Benz.
(cid:127) Pleaseabidebythewarningsandcautionscontainedinthismanual.Theyaredesignedtohelpimprovethesafety
ofthevehicleoperatorandoccupants.
Weextendourbestwishesformanymilesofsafe,pleasurabledriving.
DaimlerChryslerAG
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Operator'smanual
ThisOperator'sManualcontainsagreatdealofusefulinformation.Weurgeyoutoreaditcarefullyandfamiliarizeyourselfwiththe
vehiclebeforedriving.
Foryourownsafetyandlongerservicelifeofthevehicle,weurgeyoutofollowtheinstructionsandwarningscontainedinthis
manual.Ignoringthemcouldresultindamagetothevehicleorpersonalinjurytoyouorothers.Vehicledamagecausedbyfailureto
followinstructionsisnotcoveredbytheMercedes-BenzLimitedWarranty.
Yourvehiclemayhavesomeoralloftheequipmentdescribedinthismanual.Therefore,youmayfindexplanationsforoptional
equipmentnotinstalledinyourvehicle.Ifyouhaveanyquestionsabouttheoperationofanyequipment,yourauthorizedMercedes-
BenzCenterwillbegladtodemonstratetheproperprocedures.
Owner’sServiceandWarrantyPolicy
TheOwner’sServiceandWarrantyInformationBookletcontainsdetailedinformationaboutthewarrantiescoveringyour
Mercedes-Benz,including:
(cid:127) NewCarLimitedWarranty,
(cid:127) EmissionSystemWarranty,
(cid:127) EmissionPerformanceWarranty,
(cid:127) StateWarrantyEnforcementLaws(LemonLaws).
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ImportantnoticeforCaliforniaretailbuyersofMercedes-Benzautomobiles
UnderCalifornialawyoumaybeentitledtoareplacementofyourvehicleorarefundofthepurchaseprice,ifMercedes-BenzUSA,LLC
oritsauthorizedMercedes-BenzCenterfailstoconformthevehicletoitsexpresswarrantiesafterareasonablenumberofrepairattempts
duringtheperiodofoneyearor12000milesfromoriginaldeliveryofthevehicle.Areasonablenumberofrepairattemptsispresumedfor
aretailbuyer(1)ifthevehicleisoutofservicebyreasonofrepairofsubstantialnonconformitiesforacumulativetotalofmorethan30
calendardaysor(2)thesamesubstantialnon-conformityhasbeensubjecttorepairfourormoretimesandyouhaveatleastonce
directlynotifiedusinwritingoftheneedtorepairthenon-conformityandhavegivenusanopportunitytoperformtherepair
ourselves.NotificationsshouldbesenttothenearestMercedes-BenzRegionalOfficelistedintheServiceandWarranty
InformationBooklet.
Maintenance
TheServiceBookletdescribesallthenecessarymaintenanceworkwhichshouldbeperformedatregularintervals.
AlwayshavetheServiceBookletwithyouwhenyoutakethevehicletoyourauthorizedMercedes-BenzCenterforservice.
Theserviceadvisorwillrecordeachserviceinthebookletforyou.
Roadsideassistance
TheMercedes-BenzRoadsideAssistanceProgramprovidesfactorytrainedtechnicalhelpintheeventofabreakdown.Callstothe
toll-freeRoadsideAssistancenumber:
1-800-222-0100(intheUSA) only
willbeansweredbyMercedes-BenzClientAssistanceRepresentatives24hoursaday,365daysayear.
ForadditionalinformationrefertotheMercedes-BenzRoadsideAssistanceProgrambrochureinyourglovebox.
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Changeofaddressorownership
Ifyouchangeyouraddress,besuretosendinthe"ChangeofAddressNotice"foundintheOwner'sService
andWarrantyPolicyBooklet.Itisinyourowninterestthatwecancontactyoushouldtheneedarise.
IfyousellyourMercedes,pleaseleaveallowner'sliteraturewiththevehicletomakeitavailabletothenextowner.
Ifyouboughtthisvehicleused,besuretosendinthe"NoticeofPurchaseofUsedCar"foundintheOwner's
ServiceandWarrantyPolicyBooklet.
OperatingyourvehicleoutsidetheUSAorCanada
Ifyouplantooperateyourvehicleinforeigncountries,pleasebeawarethatservicefacilitiesorreplacement
partsmaynotbereadilyavailable.
CertainMercedes-BenzmodelsareavailablefordeliveryinEuropeunderourEuropeanDeliveryProgram.
Fordetails,consultyourauthorizedMercedes-Benzdealerorwriteto:
IntheUSA: InCanada:
Mercedes-BenzUSA, Mercedes-BenzCanada,Inc.
LLCEuropeanDeliveryDepartment EuropeanDeliveryDepartment
OneMercedesDrive 849EglintonAvenueEast
Montvale,NJ07645 Toronto,OntarioM4G2L5
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Wecontinuouslystrivetoimproveourproduct,andaskforyourunderstandingthatwereservetherighttomakechangesindesignand
equipment.Therefore,information,illustrationsanddescriptionsinthisOperator'sManualmightdifferfromyourvehicle.
Optional equipment is also described in this manual, including operating instructions wherever necessary. Since they are special-order
items,thedescriptionsandillustrationshereinmayvaryslightlyfromtheactualequipmentofyourvehicle.
IfthereareanyequipmentdetailsthatarenotshownordescribedinthisOperator'sManual,yourauthorizedMercedes-
BenzCenterwillbegladtoinformyouofcorrectcareandoperatingprocedures.
TheOperator'sManualandServiceBookletareimportantdocumentsandshouldbekeptwiththevehicle.
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CheckRegularlyandBeforeaLongTrip
SeeIndex
TheFirst1000Miles(1500km)
Themorecautiouslyyoutreatyourvehicleduringthebreak-inperiod,themoresatisfiedyouwillbewithitsperformancelateron.
Therefore,driveyourvehicleduringthefirst1500km(1000miles)atmoderatevehicleandengine-speeds.
Duringthisperiod,avoidheavyloads(fullthrottledriving)andhighRPM(nomorethan2/3ofmaximumpermissiblespeedineach
gearasindicatedonthespeedometer).
Avoidacceleratingbykickdown.Itisnotrecommendedtobrakethevehiclebymanuallyshiftingtoalowergear.Werecommendto
selectpositions"3"or"2"onlyatmoderatespeeds(forhilldriving).
After1000miles(1500km)speedsmaybegraduallyincreasedtothepermissiblemaximum
Maintenance
WestronglyrecommendthatyouhaveyourvehicleservicedbyyourauthorizedMercedes-Benzdealer,inaccordancewiththe
MaintenanceBooklet.
Failuretohavethevehiclemaintainedinaccordance withtheMaintenanceBookletmayresultinvehicle damage notcovered by
theMercedes-BenzLimitedWarranty.
RadioTransmitters
Warning!
Neveroperateradiotransmittersequippedwithabuilt-inorattachedantenna(i.e.withoutthetelephone
connectedtoanexternalantenna)frominsidethevehiclewhiletheengineisrunning.Doingsocouldlead
toamalfunctionofthevehicle'selectronicsystem,possiblyresultinginanaccidentandpersonalinjury.
Radiotransmitters,suchasaportabletelephoneoraciticensbandunitshouldonlybeusedinside
thepassengercompartment,iftheyareconnectedtoaMercedes-Benzapprovedantennathatis
installedontheoutsideofthevehicle.
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Introduction RadioFrequencyInfraredRemoteControl 29 InteriorLighting 66
Doors 33 StorageCompartments 67
Productinformation 2 CentralLockingSwitch 34 FirstAidKit 68
Operator'smanual 4 Trunk 35 StowingThingsintheVehicle 69
ConsumerInformation 153 PowerWindowandSliding/Pop-UpRoof 36 Ashtrays 69
Problemswithyourvehicle 154 PowerClosingAss.fDoorandTrunklid 37 Lighter 69
ReportingSafetyDefects 155 Anti-TheftAlarmSystem 38 Sliding/Pop-upRoof 70
Index 158 PowerSeats,Front 39 PowerWindows 71
LumbarSupport 42 RearWindowSunshade 73
Instrumentsandcontrols MulticontourBackrest 42 TrunkLidReleaseswitch 73
Armrest,Front 43 ShelfBelowRearWindow 73
Instrumentsandcontrols 10 HeatedSeats 44 InstrumentLamps 74
InstrumentCluster 12 PowerSeats,Rear 45 DisplayIllumination 74
IndicatorLampSymbols 13 Armrest,Rear 46 TripOdometer 74
CatalyticConverter 15 HeadRestraints,Rear 46 Clock 74
StartingandTurningOfftheEngine 16 PowerHeadRestraints,Rear 47 GarageDoorOpener 75
DrivingInstructions 17 AdjustableSteeringWheel 48 Antenna 76
SeatbeltsandSupplementalRestraintsys.(SRS) 49 Cellulartelephone 76
Operation Seatbelts 49
BabySmartAirbagDeactivationSystem 52 Driving
AutomaticClimateControl 22 SelfTest 53
BasicSetting–AutomaticMode 24 Emergencytensioningretractor(ETR) 53 Drinkinganddriving 78
DefoggingWindows 24 Airbag 54 ParkingBrake 78
Defrosting 24 ChildRestraint 57 Drivingoff 78
RearWindowDefroster 24 Steeringlock 59 AutomaticTransmission 79
Aircirculation 25 CombinationSwitch 60 CruiseControl 83
ActivatedCharcoalControl 26 ExteriorLampSwitch 62 ParkingAssist(Parktronic) 85
Rearpassengercompartment NightSecurityIllumination 63 ChargeIndicatorLamp 88
AdjustableAirOutlet 27
ClimateControl 27 InsideRearViewMirror 63 EngineOilPressureGauge 88
Carkeys 28 ExteriorRearViewMirror 63 LowEngineOilLevelWarningLamp 89
StartLock-out 29 SunVisors 65 EngineOilConsumption 89
CentralLockingSystem 29 Vanitymirrors 65 FuelConsumptionGauge 89
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FuelReserveandFuelCap PracticalHints ManualClosingofTrunkLid 136
PlacementWarningLamp 89 ManualReleaseofFuelFillerFlap 136
OutsideTemperatureIndicator 90 Hood 106 RoofRack 137
Tachometer 90 CheckingCoolantLevel 107 LayoutofPoly-V-BeltDrive 137
CoolantTemperatureGauge 90 AddingCoolant 107 MERCEDES-BENZ SparePartService 138
LowEngineCoolantLevel CheckingEngineOilLevel 108
WarningLamp 91 AutomaticTrans.FluidLevel 109 TechnicalData.Fuels,
Coolants,Lubricantsetc.Consumer
Information
LowWindshieldandHeadlamp 91 SpareWheel 109
WasherFluidLevelWarningLamp 91 TrunkLamp 109 IdentificationPlates 140
ExteriorLampFailureIndicator Lamp 92 VehicleJack 110 WarrantyCoverage 141
VehicleTools 110 TechnicalData S320 142
BrakePadWearIndicatorLamp 92 Storagecompartmentbelowvehicletool 110 S420 144
box S500 146
BrakeWarningLamp 93 Wheels 111 Fuels,Coolants,Lubricantsetc. 148
FlexibleServiceSystem(FSS) 93 ChangingWheels 112 Capacities 148
ABS(AntilockBrakeSystem) 95 TireinInflationPressure 115 EngineOils 150
BrakeAssistSystem(BAS) 96 ExteriorLamps 116 EngineOilsAdditives 150
AccelerationSlipRegulation (ASR) 97 Battery 124 AirConditionerRefrigerant 150
ElectronicStabilityprogram(ESP) 99 Fuses 125 BrakeFluid 150
Adaptivedampingsystem(ADS) 101 JumpStarting 125 PremiumUnleadedGasoline 150
EmissionControl 102 TowingtheVehicle 127 FuelRequirements 151
On-BoardDiagnosticSystem 102 CleaningandCareoftheVehicle 128 GasolineAdditives 151
TravelingAbroad 103 TestingInfraredRemoteControl 132 Coolants 152
WinterDriving 103 FrontHeadRestraints 133 ServiceandLiterature 163
SnowChains 103 RearSeatCushion 134 Checkregularlyandbeforealongtrip 164
EmergencyOperationofSlidingRoof 134
ReplacingWiperBlades 135
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InstrumentsandControlsFormoredetaileddescriptionsseeIndex
1 LeftFrontParktronicwarningindicator 21 Storage/eyeglassescompartment
2 Sideairoutlet,adjustable 22 Lockforstorage/eyeglassescompartmentandeyeglove
3 Exteriorlampswitch 23 Glovebox(illuminatedwithkeyinsteeringlockposition1or2)
4 Parkingbrakerelease 24 Switchforrearseatheadrestraints
5 Hoodlockrelease 25 Trunklidreleaseswitch
6 Parkingbrakepedal 26 Centrallockingswitch,Indicatorforanti-theftalarmsystem
7 Steeringwheeladjustmentswitch 27 Hazardwarningflasherswitch
8 Combinationswitch 28 Automaticclimatecontrol,Powerwindowdefrosterswitch
Activatedcharcoalfilterswitch
9 Cruisecontrol 29 Radio
10 Horn,airbag 30 ASRorESPcontrolswitch
11 Instrumentcluster 31 Ashtraywithlighter
12 Steeringlockwithignition/starter 32 Adaptivedampingsystemadjustmentswitch
13 RightfrontParktronicwarningindicator 33 Seatheaterswitch
14 Centerairoutlet,adjustable 34 Mirroradjustmentswitch
15 Heatedairsupplybutton-centerairoutlet 35 Powerwindowswitch,frontdoors
16 Nonheated/cooledairsupplybutton-centerairoutlet 36 Powerwindowsafetyswitch,reardoors
17 Airvolumecontrolforleftairoutlet 37 AirbagOffindicatorlamp
18 Airvolumecontrolforleftcenterairoutlet 38 Powerwindowswitches,reardoors
19 Airvolumecontrolforrightcenterairoutlet 39 Parktronicswitch
20 Airvolumecontrolforrightairoutlet 40 Switchforrearwindowsunshade
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Description:Please abide by the recommendations contained in this manual. They are designed to acquaint you with the operation of your Mercedes-Benz. • Please abide by the warnings and cautions contained in this manual. They are designed to help improve the safety of the vehicle operator and occupants.