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ViaiDrive1."Apps"2."DriveRecorder"3."Startrecording"
Tostoptherecording:"Cancel".Recordingcanalsobestartedbyselectingthe
widgetontheControlDisplay.
Recordingplaybackand
administration
Storedvideorecordingscanbeplayedback,ex#j
portedanddeleted.
Foryourownsafety,thevideorecordingisonly displayedontheControlDisplayuptoapprox.
2mph/3km/h.Insomenational-marketversions,
thevideorecordingisonlydisplayedifthepark#j
ingbrakeisengagedoriftheselectorleverisin selectorleverpositionP.
1."Apps"2."DriveRecorder"3."Savedrecordings"4.Selectdesiredrecording.5.Selectthedesiredsetting:'x"Play"'x"Pause"'x"Previous"'x"Next"'x"Export"'x"Delete"
Ifacamerachangeoccurredduringtherecord#j
ing,differentsegmentsofthevideocanbese#j lected.
Adjusting Generalinformation
Differentsettingscanbemade.
Recordingtype1."Apps"2."DriveRecorder"3."Settings"4."RECORDINGTYPE"5.Selectthedesiredsetting:'x"Manually"'x"Automatically"'x"Manually"and"Automatically"
Recordingtime
1."Apps"2."DriveRecorder"3."Settings"4.Selectthedesiredsetting:'x"Beforetrigger"
Recordingtimebeforeanevent.'x"Aftertrigger"
Recordingtimeafteranevent.
Cameras
1."Apps"2."DriveRecorder"3."Settings"4."Cameraselection"5.Selectdesiredcamera.
Incaseofanaccident,thesystemswitchesau#j tomaticallyto"All"cameras.
Ifdriverassistancesystemsareactive,theircam#j eraviewsareselectedautomatically.
Systemlimits Intheeventofseriousaccidents,itmaynotbe
possibletostorerecordingsifthedamageonthe
vehicleistoogreatorthepowersupplywasin#j
terrupted.
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ActiveProtection
Concept
ActiveProtectionpreparesoccupantsandthe
vehicleforapossibleaccidentincriticaldrivingor
collisionsituations.
Generalinformation ActiveProtectionconsistsofvariousPreCrash
functions,whichcanvarydependingonthe
equipment.
Thesystemisusedtodetectcertaincriticaldriv#j
ingsituationsthatmightleadtoanaccident.This
includesthefollowingcriticaldrivingsituations:
'xEmergencystop.'xSevereundersteering.'xSevereoversteering.
Certainfunctionsofseveralsystemscan,within thesystemlimits,leadtoActiveProtectiontrig#j
gering:
'xFrontcollisionmitigation:automaticbrakein#j
tervention.'xFrontcollisionmitigation:BrakeAssistant.'xNightVisionwithpedestrianandanimalde#j tection:BrakeAssistant.'xRearcollisionpreparation:detectionofimmi#j
nentrearcollisions.
Safetyinformation
Warning
Thesystemcannotserveasasubstituteforthe
driver#sspersonaljudgment.Duetothesystem
limits,criticalsituationcouldnotbedetected reliablyorintime.Thereisariskofaccident.
Adjustdrivingstyletotrafficconditions.Watch
trafficcloselyandactivelyintervenewhereap#j propriate.
Function
Whenthesafetybeltisfastened,thedriver'sand
passenger'sbeltstrapsareautomaticallytight#j
enedonceafterdrivingaway.
Inaccident-criticalsituations,thefollowingindi#j
vidualfunctionsbecomeactiveasneeded:'xAutomaticpretensioningofthefrontsafety
belts.'xAutomaticwindowclosinguptoanarrow gap.'xAutomaticclosingofthepanoramicglasssunroof,includingsunprotection.'xForvehiclesequippedwithcomfortseatsin
thefront:automaticpositioningoftheback#j
restforthefrontpassengerseat.
Afteracriticaldrivingsituationwithoutanacci#j dent,thefrontsafetybeltsareloosenedagain.
Ifthebelttensiondoesnotloosenautomatically,
stopthevehicleandunbucklethesafetybeltus#j ingtheredbuttoninthebuckle.Fastenthe
safetybeltbeforecontinuingonyourtrip.
Allothersystemscanberestoredtothedesired
setting.
PostCrashmiBrake
Concept
Intheeventofanaccident,thesystemcanbring
thevehicletoahaltautomaticallywithoutinter#j
ventionbythedriverincertainsituations.This
canreducetheriskofafurthercollisionandthe
consequencesthereof.
Atstandstill
Aftercomingtoahalt,thebrakeisreleasedauto#j matically.
Hardervehiclebraking
Incertainsituations,itcanbenecessarytobring
thevehicletoahaltmorequicklythantheBrake Assistantallows.
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Todothis,quicklyapplyextraforcetothebrake.Forabriefperiod,thebrakingpressurewillbe
higherthanthebrakingpressurethatisachieved bytheautomaticbrakingfunction.Automatic
brakingisinterrupted.
Interruptingautomaticbraking
Itcanbenecessarytointerruptautomaticbrak#j
ingincertainsituations,forinstanceforaneva#j sivemaneuver.
Interruptautomaticbraking:'xBypressingthebrakepedal.'xBypressingtheacceleratorpedal.
Fatiguealert
Generalinformation
Thesystemcandetectdecreasingalertnessor
fatigueofthedriverduringlong,monotonous trips,forinstanceonhighways.Inthissituation,it
isrecommendedthatthedrivertakesabreak.
Safetyinformation
Warning
Thesystemcannotserveasasubstituteforthe
driver#sspersonaljudgmentinassessingone's
physicalstate.Anincreasinglackofalertnessor
fatiguemaynotbedetectedornotbedetected
intime.Thereisariskofaccident.Makesure
thatthedriverisrestedandalert.Adjustdriving
styletotrafficconditions.
Function
Thesystemisswitchedoneachtimedrive-ready
stateisswitchedon.
Aftertravelhasbegun,thesystemmonitorscer#j
tainaspectsofthedriver'sbehavior,sothatde#j
creasingalertnessorfatiguecanbedetected.
Thisproceduretakesthefollowingcriteriainto
account:
'xPersonaldrivingstyle,forinstancesteering behavior.'xDrivingconditions,forinstancetime,lengthof
trip.'xDependingontheequipment:attentionof
thedriverthroughtheDriverAttentionCam#j
era.
Startingatapprox.43mph/70km/h,thesystem isactiveandcanalsodisplayarecommendation
totakeabreak.
Breakrecommendation
Adjusting Thefatiguealertisactiveautomaticallywitheachswitchingonofdrive-readystateandcanthusdisplayabreakrecommendation.
Thebreakrecommendationcanalsobe
switchedonoroffandadjustedviaiDrive.
1."CAR"2."Settings"3."Generalsettings"4."FatigueandFocusAlert"5.Selectthedesiredsetting:'x"Standard":thebreakrecommendationis
madewithadefinedvalue.'x"Sensitive":thebreakrecommendationis
issuedearlier.'x"Off":nobreakrecommendationismade.
Display
Ifthedriverbecomeslessalertorfatigued,a
messageisdisplayedintheControlDisplaywith
therecommendationtotakeabreak.
Duringthedisplay,varioussettingscanbese#j
lected.
Afterabreak,anotherrecommendationtotakea
breakcannotbedisplayeduntilafterapproxi#j mately45minutes.
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SystemlimitsThefunctionmaybelimitedinthefollowingsit#j
uationsandmayissueanincorrectwarningorno
warningatall:'xWhentheclockissetincorrectly.'xWhenthevehiclespeedismainlybelow
about43mph/70km/h.'xWithasportydrivingstyle,suchasduring
rapidaccelerationorwhencorneringfast.'xInactivedrivingsituations,suchaswhen
changinglanesfrequently.'xWhentheroadsurfaceispoor.'xIntheeventofstrongsidewinds.
Thesystemisresetapprox.45minutesafter parkingthevehicle,forinstanceinthecaseofa
breakduringlongertripsonhighways.
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DrivingstabilitycontrolsystemsVehiclefeaturesandoptions
Thischapterdescribesallstandard,country-spe#jcificandoptionalfeaturesofferedwiththeseries. Italsodescribesfeaturesandfunctionsthatare
notnecessarilyavailableinyourvehicle,e.g.,due totheselectedoptionsorcountryversions.Thisalsoappliestosafety-relatedfunctionsandsys#j
tems.Whenusingthesefunctionsandsystems,
theapplicablelawsandregulationsmustbeob#j
served.
AntilockBrakingSystem ABS
ABSpreventslockingofthewheelsduringbrak#jing.
Thevehiclemaintainsitssteeringpowereven duringfullbrakeapplications,whichincreases
theactivesafety.
ABSisoperationaleverytimeyoustarttheen#j gine.
Brakeassistant
Whenyouapplythebrakesrapidly,thissystem
automaticallybooststhevehiclebrakingassis#j tancetothefurthestpossibleextent.Itreducesthebrakingdistancetoaminimumduringanemergencystop.ThissystemutilizesallofthecapabilitiesprovidedbytheAntilockBrakeSys#j
temABS.
Donotreducethepressureonthebrakepedal forthedurationoftheemergencystop.
Adaptivebrakeassistant
IncombinationwithActiveCruiseControlACC,
thissystemensuresthatthebrakesrespond
evenmorerapidlywhenbrakingincriticalsitua#j tions.
Drive-offassistant
Concept
Thissystemsupportsdrivingoffonuphillgrades.
Drivingoff
1.Holdthevehicleinplacewiththefootbrake.2.Releasethefootbrakeanddriveoffwithoutdelay.
Afterthefootbrakeisreleased,thevehicleis
heldinplaceforapprox.2seconds.
Dependingonthevehicleloadingorwhena
trailerisused,thevehiclemayrollbackslightly.
DSCDynamicStability Control
Concept
Withinthephysicallimits,thesystemhelpsto
keepthevehicleonasteadycoursebyreducing
drivepowerandbybrakingtheindividualwheels.
Generalinformation DSCdetectsthefollowingunstabledrivingcon#j
ditions,forinstance:
'xFishtailing,whichcanleadtooversteering.'xLossoftractionofthefrontwheels,which canleadtoundersteering.Seite225DrivingstabilitycontrolsystemsCONTROLS225
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Safetyinformation
Warning
Thesystemcannotserveasasubstituteforthe
driver#sspersonaljudgmentinassessingthe
trafficconditions.Basedonthelimitsofthe
system,itcannotindependentlyreacttoalltraf#j ficsituations.Thereisariskofaccident.Adjust
drivingstyletotrafficconditions.Watchtraffic
closelyandactivelyintervenewhereappropri#j
ate.
Warning
Whendrivingwitharoofload,forinstancewith
roof-mountedluggagerack,thevehicle'scen#j
terofgravityishigher,whichincreasestherisk ofthevehicletippingincriticaldrivingsitua#j
tions.Theremaybeariskofaccidentorriskof damagetoproperty.DonotdeactivateDSC
DynamicStabilityControlwhendrivingwith
roofload.
Overview
Buttoninthevehicle
DSCOFF
Deactivating/activatingDSC Generalinformation
WhenDSCisdeactivated,drivingstabilityisre#j ducedduringaccelerationandwhendrivingin
curves.
Toincreasevehiclestability,activateDSCagain assoonaspossible.
DeactivatingDSC HoldthebuttondownuntilDSCOFFisdisplayedintheinstrumentclusterand
theDSCOFFindicatorlightisilluminated.
ActivatingDSC Pressthebutton.
DSCOFFandtheDSCOFFindicator
lightgoout.
Display Intheinstrumentcluster
WhenDSCisdeactivated,DSCOFFisdisplayed intheinstrumentcluster.
Indicator/warninglights Theindicatorlightlightsup:DSCisde#j
activated.
Theindicatorlightflashes:DSCcontrols
thedriveandbrakingforces.
Theindicatorlightlightsup:DSChas
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DTCDynamicTractionControl
Concept
DTCisaversionoftheDSCDynamicStability
Controlwheredrivepowerisoptimized.
Thesystemensuresmaximumdrivepoweronunusualroadconditions,forinstanceunplowedsnowcoveredroads,orlooseroadsurfaces,but
withsomewhatlimiteddrivingstability.
Generalinformation WhenDTCisactivated,thevehiclehasmaxi#j
mumtraction.Drivingstabilityislimitedduring accelerationandwhendrivingincurves.
YoumayfinditusefultobrieflyactivateDTCinthefollowingsituations:
'xWhendrivinginslushoronuncleared,snow-coveredroads.'xWhendrivingofffromdeepsnoworlooseground.'xWhendrivingwithsnowchains.
Overview
Buttoninthevehicle
DSCOFF
Activating/deactivatingDTC
ActivatingDTC Pressthebutton.
TRACTIONisdisplayedintheinstru#j
mentclusterandtheindicatorlightforDSCOFF lightsup.
DeactivatingDTC Pressthebuttonagain.
TRACTIONandtheDSCOFFindicator
lightgoout.
Display Displayintheinstrumentcluster
IfDTCisactivated,TRACTIONisdisplayedin theinstrumentcluster.
Indicator/warninglights Theindicatorlightlightsup:DTCisacti#j
vated.
Automaticprogramchange
Incertainsituations,theDynamicStabilityCon#j trolDSCisactivatedautomatically:'xIfActiveCruiseControlwithStop&Gofunc#j
tionACCisactivated.'xOnabrakeinterventionbytheIntelligent
Safetysystems.'xThevehiclehasaflattire.
xDrive
Concept
xDriveistheall-wheel-drivesystemofthevehi#j cle.TheinteractionofxDriveandothersuspen#jsioncontrolsystems,suchasDSCDynamicSta#j
bilityControl,furtheroptimizestractionand
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drivingdynamics.xDrivevariablydistributesthe
drivingforcestothefrontandrearaxlesasde#j mandedbythedrivingsituationandroadsurface.
TheDrivingDynamicsControlisusedtochange
theall-wheeldistributionfromtractionoriented
tosportoriented.
WiththexOffroadpackage,theall-wheel-drive
systemisadditionallyadjustedfortherespective xOffroaddrivemode.
Becauseoftheneeds-baseduseoftheall-
wheel-drivesystem,Efficient4x4yieldsareduc#j
tioninconsumption.
DisplayontheControlDisplay
DisplayxViewdisplay1."CAR"2."Drivinginformation"3."xOFFROAD"
or
"xVIEW"
Thefollowinginformationisdisplayed:
'xWithanavigationsystem:compassdisplay forthedrivingdirection.'xWithnavigationsystem:elevationforthecur#jrentposition.'xWithnavigationsystem:destinationflagincompassdirectiontothedestination.'xPitchattitudewithdegreeindicationandper#j
centage.'xTransversegradientwithdegreeindication.'xGraphicdisplayforthesteeringangle.'xLeveladjustmentofthetwo-axleridelevel control.
WiththexOffroadpackage,thefollowingaddi#j
tionalinformationcanbedisplayed:
'xWithSurroundView:dependingonthe
speed,terrain-specificcameraperspectives.'xxOffroaddrivemodecurrentlyactive.'xDistributionofdrivetorquetothewheels.DisplayintheHead-upDisplay
Someoftheinformationcanalsobedisplayedin theHead-upDisplay.
Msportdifferential
TheactiveMdifferentialprovidesforcontinu#j
ouslyvariablelockingoftherearaxledifferential
dependingonthedrivingsituation.Thisprevents
spinningofasinglerearwheelandtherebypro#j
videsoptimaltractioninanydrivingsituation.
Thedriverisresponsibleadaptinghisorherdriv#j ingstyletothesituation.
AutomaticDifferentialBrake
Thesystemcontrolsthedrivingforcebyauto#j
maticbrakeinterventiononindividualwheels.
Thefunctionworksinthesamewayasadiffer#jentiallockandimprovestractiononaloosesur#jface,forexample.Thesystemdetectswhenawheelbeginstospinandautomaticallybrakesthiswheel.
Thedrivingforceisdivertedtothewheelwith bettertraction.
Asaresult,thedrivetorqueistransferredmore efficientlytothewheelsduringaccelerations.
HDCHillDescentControl
Concept
HDCHillDescentControlisadownhillcontrol
featurethatcontrolsthevehiclespeedonsteep downhillgrades,forinstancewhendrivingonun#jpavedroads.
Whenthesystemisactive,thevehiclemovesat
thespeedsetbythedriver,withoutthedriver
havingtodepressthebrakepedal.
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WhileHDCiscontrollingthespeed,thesystemautomaticallydistributesthebrakingforcetothe
individualwheels.Thisimprovesvehicledrivabil#j ityanddrivingstability.Ifnecessary,theAntilock
BrakingSystempreventsthewheelsfromlock#j
ing.
Generalinformation HillDescentControlcanbeactivatedatspeeds
belowapprox.25mph/40km/h.
Speedscanbesetbetweenapprox.
2mph/3km/handapprox.20mph/30km/h.
Whenthevehicleismovingdownhill,thesystem
reducesthespeedtothesetvalue,withinthe physicallimits.
OverviewButtoninthevehicle
HDC
ActivatingHDC Pressthebutton.TheLEDonthebuttonlightsup.
Speedsbetweenapprox.2mph/3km/handap#j
prox.20mph/30km/hareadoptedasthede#j siredspeed.
Emergencybrakingfunction,ActivePDC:the
emergencybrakingfunctionisdeactivated.
Additionalinformation:
Emergencybrakefunction,ActivePDC,referto
page 259.
Displayintheinstrumentcluster
Asymbolandtheselectedde#jsiredspeedaredisplayed.'xIndicatorgreen:HDCisactive.
Thesystemisactivelybraking
thevehicle.'xGraydisplay:HDCisonstandby.
DisplayintheHead-upDisplay
TheHDCstatuscanalsobedisplayedinthe Head-upDisplay.
Increasingordecreasingvehicle
speed
Usingthecruisecontrolrocker
switch
Thedesiredspeedcanbechangedusingthe cruisecontrolrockerswitchonthesteering wheel.
'xPresstherockerswitchup:thespeedin#j
creasesgradually.'xPresstherockerswitchupandhold:the speedincreaseswhiletherockerswitchispressed.'xPresstherockerswitchdown:thespeedde#j
creasesgradually.'xPresstherockerswitchdownandhold:the speeddecreaseswhiletherockerswitchis
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Usingthebrakepedal
WhileHDCiscontrollingthespeed,thesetde#j
siredspeedcanbereducedbydepressingthe brakepedal.
DeactivatingHDC Pressthebuttonagain.TheLEDgoesout.HDCisautomaticallydeactivatedabove
approx.25mph/40km/h.
Malfunction Ifamalfunctionoccurs,amessageisdisplayedin
theinstrumentcluster.
IntegralActiveSteering
Concept
TheIntegralActiveSteeringincreasesthema#j neuverabilityandmakesamoredirectsteeringresponsepossible.
GeneralinformationIntegralActiveSteeringisacombinationofvaria#j
blesteeringratioandrearaxlesteering.
Thesteeringismoredirectbecausethevariable steeringratioamplifiesthewheelanglewhile
maneuvering.Therearaxlesteeringactstoin#j
creasemaneuverabilityatlowspeedsbyturning
therearwheelsslightlyintheoppositedirection
tothefrontwheels.
Athigherspeeds,therearwheelsareturnedin
thesamedirectionasthefrontwheels.Thisre#j sultsin,forinstancebetterdirectionalstabilityandamoreharmoniouschangeofdirection.
Incriticaldrivingsituations,theIntegralActive Steeringcanstabilizethevehiclethroughpur#jposefulsteeringoftherearwheelsbeforethedriverintervenes,forinstanceincaseofover#jsteering.
Tuning
Thesystemoffersseveraldifferenttunings.DrivingmodeIntegralActiveSteeringCOMFORT
ECOPROComfortable,foroptimal travelcomfort.SPORTDynamic,forgreateragility.
Thedifferenttuningsareassignedtothediffer#j
entdrivemodesoftheDrivingDynamicsControl.
Additionalinformation:
DrivingDynamicsControl,refertopage 140.
Usingsnowchains
Inordertoguaranteefreerunningofthewheels whenoperatingwithsnowchains,rearaxlesteeringoftheintegralactivesteeringmustbeswitchedoffwhensnowchainsaremounted.
Additionalinformation:
Rearaxlesteeringduringoperationwithsnow
chains,refertopage 367.
Malfunction
Intheeventofamalfunction,thesteeringwheel mustbeturnedfurtheratlowerspeeds,whilethe
vehiclerespondsmoresensitivelytosteering wheelmovementsinthehigherspeedrange.
Thestability-enhancinginterventionmaybede#j activated.
Proceedcautiouslyanddrivedefensively. Havethesystemcheckedbyadealer'sservicecenteroranotherqualifiedservicecenterorre#j
pairshop.
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