esp MERCEDES-BENZ S CLASS 2019 Repair Manual

RWhen activelychanging lane without switch‐ing onthe turn signal.
&WARNINGRisk of accident ifActiveSteering Assist unexpectedlystops func‐tioning
Ifthe system limitations ofActiveSteeringAssist arereachedthere is no guaranteethatthe system willremain active or willkeepthevehicle in lane.
#Alwayskeepyour hands onthesteeringwheel and observethe traffic carefully.
#Alwayssteerthevehicle paying atten‐tiontotraffic conditions.
&WARNINGRisk of accident ifActiveSteering Assist unexpectedly intervenes
A malfunction inthe detection of lane mark‐ings and objects can occur.
This could cause unexpectedsteering inter‐vention.
#Steer accordingtotraffic conditions.
ActivatingActiveSteering Assist
RequirementsRESP®must be activated, but not intervening.
RActive Distance AssistDISTRONIC is activa‐ted.
#If indicator lamp1is off: press button2.
Function ofActive Lane Change Assist
%Theavailability ofthefollowing function iscountry-dependent.
Active Lane Change Assistsupportsthe driverwhenchanging lanesbyapplyingsteeringtorqueifthe driver operates a turn signal.
Assistance whenchanging lanes is provided if allthefollowing conditions are met:
RYou are driving on a freeway orroad withmultiple lanes inthe direction of travel.
RThe neighboring lane is separatedbya bro‐ken lane marking.
RNovehicle is detected inthe adjacent lane.
RThe driven speed is between 50mph(80 km/h) and110mph (180 km/h).
RActive Lane Change Assistis switched on inthe multimedia system.
RActiveSteering Assist is switched on andactive.
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Activating/deactivatingActive Lane ChangeAssistMultimedia system:
,Vehicle.kAssistance
#SelectLane Change Assist.
#Activatesor deactivateSthe function.
Function ofActive EmergencyStop AssistIfthe driver continually ignoresthe visual oracousticwarningtoputtheir hands onthesteer‐ing wheel,theBeginning Emergency Stopmes‐sage appears inthe multifunction display.Ifthedriverstill does notrespond,Active DistanceAssistDISTRONICreducesthe speed. Thevehi‐cle is decelerated instagestoastandstill.Atspeeds below 40mph (60 km/h)the hazardwarning lights switch on automatically.
Whenthevehicle isstationary,thefollowingactions are carried out:
RThevehicle is secured withthe electric park‐ing brake
RActive Distance AssistDISTRONIC is ended
RThevehicle is unlocked
RIf possible, an emergency call is placedtothe Mercedes-Benz emergency call center
The driver can cancelthe deceleration at anytimebyperforming one ofthefollowing actions:
RSteering
RBraking or accelerating
RPressing asteering wheel button
ROperatingTouch Control
RActivating or deactivatingActive DistanceAssistDISTRONIC
OverviewofActive Distance AssistDISTRONIC displaysinthe instrument clus‐ter
The assistance graphic andthestatus displayshowthestatus ofthefollowing functions intheinstrument cluster:
RActive Distance AssistDISTRONIC
RRoute-based speed adaptation
RActiveSteering Assist
Assistant display
1Route-based speed adaptation (type ofrouteevent)
2Vehicle in front
3Distance indicator
4Set specified distance
5Ownvehicle
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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.
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Thevehicle is lowered again inthefollowing sit‐uations:
RWhen drivingfasterthan75mph(120 km/h).
RWhen driving between 50mph (80 km/h)and75mph (120 km/h)for approximatelythree minutes.
RAfter selecting a drive program usingtheDYNAMIC SELECT switch.
Thevehicle is adjustedtothe height ofthe lastactive drive program.
Loweringthevehicle
#Press button1.Indicator lamp2goes out. Thevehicle isadjustedtothe height ofthe last active driveprogram.
Parking AssistPARKTRONIC
Function ofParking AssistPARKTRONIC
Parking AssistPARKTRONIC is an electronicparking assistance system with ultrasound. Itmonitorsthe area aroundyourvehicle using sixsensors1inthe front bumper and six sensorsintherear bumper.Parking AssistPARKTRONICshowsyouthe distance betweenyourvehicleand a detected obstacle visually and audibly.
Parking AssistPARKTRONIC is onlyan aid. It isnot a substituteforyour attentiontothe sur‐roundings. Theresponsibilityfor safe maneuver‐ing and parkingremains withyou. Make surethatthere are no persons, animals or objects in
the maneuvering area while maneuvering andparking in/exiting parking spaces.
Inthestandard setting, an intermittentwarningtone sounds from a distance of approximately1.0ft(0.3 m)toan obstacle in front and approx‐imately 3.3ft(1.0 m)toan obstacle behind. Acontinuoustone sounds from a distance ofapproximately 0.7ft(0.2 m). UsingtheWarnearlysetting inthe multimedia system,thewarningtonesfor front and side impact protec‐tion can also be settosound at a greater dis‐tance of approximately 3.3ft(1.0 m)(→page 225).
%TheWarnearlysetting is always active intherear ofthevehicle.
IfParking AssistPARKTRONIC is deactivated,ActiveParking Assist is unavailable.
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Activating/deactivating audiofadeoutYou can specify whetherthevolume of a mediasource inthe multimedia system istobereduced whenParking AssistPARKTRONIC givesan audiblewarning.
#SelectAudio Fadeout During Warning Tones.
#Activatesor deactivateSthe function.
Reversing camera
Function oftherear view camera
Whenyou engagereversegear,the image fromrear view camera1is shown inthe multimediasystem. Dynamic guide lines showthe paththevehicle willtakewiththesteering wheel in itscurrent position. This helpsyoutoorientyour‐self andtoavoid obstacles when backing up.
Therear view camera is onlyan aid. It is not asubstituteforyour attentiontothe surroundings.Theresponsibilityfor safe maneuvering andparkingremains withyou. Make surethatthereare no persons, animals or objectsetc., inthemaneuvering area while maneuvering and park‐ing.
You can select fromthefollowing views:
RNormal view
RWide-angle view
The area behindthevehicle is displayed as amirror image, as inthe insiderearview mirror.
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System limitations
Therear view camera will not function or willonly partially function inthefollowing situations:
RThe trunk lid is open.
RThere is heavyrain, snow orfog.
RThe ambient light conditions are poor, e.g. atnight.
RThe camera lens is obstructed, dirty orfog‐ged up. Observethe notes on cleaningtherear view camera (→page 409).
RThe camera orrear ofyourvehicle is dam‐aged. Inthis case, havethe camera and itsposition and settingchecked at aqualifiedspecialistworkshop.
Thefield of vision andother functions oftherearview camera may berestricted duetoadditionalaccessories ontherear ofthevehicle (e.g.license plate bracket or bicyclerack).
%The contrast ofthe display may be impairedbydirect sunlight orby other light sources,e.g. when driving out of agarage. Inthiscase, pay particular attention.
%Havethe displayrepaired orreplaced if,forexample, pixel errorsconsiderablyrestrict itsuse.
Observethe notes on cleaningtherear viewcamera (→page 409).
360° camera
Function ofthe 360° CameraThe 360° Camera is a systemthat consists offour cameras. The cameras coverthe immediatevehicle surroundings. The system assistsyou,e.g. when parking or atexits withreduced visibil‐ity.
The 360° Camera is only an aid. It is not a sub‐stituteforyour attentiontothe surroundings.Theresponsibilityfor safe maneuvering andparkingremains withyou. Make surethatthereare no persons, animals or objectsetc., inthemaneuvering area while maneuvering and park‐ing.
The systemevaluates images fromthefollowingcameras:
RRear view camera
RFront camera
RTwo side cameras inthe outside mirrors
Views ofthe 360° CameraYou can select from different views:
1Wide-angle view,front
2Top view with image fromthe front camera
3Top view with images fromthe side camerasinthe outside mirrors
4Wide-angle view,rear
5Top view with image fromtherear view cam‐era
6Top view with trailer view (if trailer hitch isinstalled)
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tem display: selectthe corresponding trans‐mission position.Thevehicle drives intothe selected parkingspace.
On completion ofthe parking procedure,theParking Assist Finished, Take Control of Vehicledisplay message appears.Further maneuveringmaystill be necessary.
#After completion ofthe parking procedure,safeguardthevehicle againstrollingaway.Whenrequiredbylegalrequirements or localconditions: turnthe wheelstowardsthe curb.
%You canstopthevehicle andchangethetransmission position duringthe parking pro‐cedure. The systemthen calculates a newvehicle path. The parking procedure canthen be continued. If no newvehicle path isavailable,the transmission position will bechanged again. Ifthevehicle has notyetreachedthe parking space,the parking pro‐cedure will be canceled, should agear bechanged.
Exiting a parking space withActiveParkingAssist
RequirementsYou can onlyexit a parking space withActiveParking Assist ifyou havepreviously parkedthevehicle withActiveParking Assist.
Please notethatyou areresponsibleforthevehi‐cle and surroundings duringthe entire parkingprocedure.
#Startthevehicle.
#Press button1.TheActiveParking Assist view appears onthe multimedia system display.
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#Ifthevehicle has been parked atright anglestothe direction of travel: in area2, selectdirection of travel3.
%Thevehicle path shown onthe multimediasystem display may differ fromthe actualvehicle path.
#Confirm direction ofexit3todrive out ofthe parking space.
%The turn signal indicator is automaticallyswitched on whentheexiting procedure isstarted.
&WARNINGRisk of accident duetovehi‐cle swinging out while parking or pullingout of a parking space
While parking orexiting a parking space,thevehicle swings out and can drive onto areasofthe oncoming lane.
This could causeyoutocollide withobjectsorotherroad users.
#Pay attentiontoobjects andotherroadusers.
#Where necessary,stopthevehicle orcancelthe parking procedure withActiveParking Assist.
#If,forexample,thePlease Engage ForwardGearmessage appears inthe multimedia sys‐tem display: selectthe corresponding trans‐mission position.Thevehicle moves out ofthe parking space.The turn signal indicator is automaticallyswitched off.
Example:vehicles with 360° Camera
Aftertheexiting procedure has been completed,theParking Assist Finished, Take Control ofVehiclemessage appears inthe display ofthemultimedia system. Awarningtone and display4inthe multimedia system promptyoutotakeover control ofthevehicle.You havetoacceler‐ate, brake,steer andchangegearyourself again.
Function of DriveAway AssistDriveAwayAssistcanreducethe severity of animpact when pullingaway. If an obstacle isdetected inthe direction of travel,thevehicle'sspeed is brieflyreducedtoapprox. 1mph(2 km/h). If a critical situation is detected,the
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Traffic Sign Assist
Function ofTraffic Sign Assist
SinceTraffic Sign Assistalso usesthe datastored inthe navigation system, it can updatethe display inthefollowing situations withoutdetecting traffic signs:
RWhenthevehiclechangesroads, e.g. a free‐way entry orexitroad.
RWhen a village or city boundary which isstored inthe digital map is passed.
The camera also detects traffic signs with arestriction indicatedbyan additional sign (e.g. inwet conditions).
Traffic Sign Assistis only an aid. The driver isresponsibleforkeeping a safe distancetothevehicle in front,forvehicle speed andfor brakingin good time. The maximum permissible speedalso depends onfactors suchastheroad sur‐face and traffic conditions.
Warning whenthe maximum permissiblespeed isexceededThe system canwarnyou ifyou unintentionallyexceedthe maximum permissible speed.Todothis,you can specify inthe multimedia systembyhow muchthe maximum permissible speedcan beexceeded before awarning is issued.Yo ucan specify whetherthewarning istobe just avisualwarning or an acoustic one aswell.
Display inthe Instrument DisplayTraffic Sign Assistis notavailable in all coun‐tries. If it is unavailable, display1is shown inthe speedometer.
System limitations
The system may be impaired or may not functioninthefollowing situations:
RIfthere is poor visibility, e.g. duetoinsuffi‐cient illumination oftheroad, ifthere arehighlyvariable shade conditions or inrain,snow,fog or heavy spray.
RIfthere isglare, e.g. from oncoming traffic,direct sunlight orreflections.
RIfthe windshield inthe area ofthe multifunc‐tion camera is dirty, or ifthe camera isfog‐ged up, damaged or covered.
RIfthe traffic signs are hardtodetect, e.g. duetodirt or snow,or becausetheyare coveredor duetoinsufficient lighting.
RIfthe information inthe navigation system'sdigital map is incorrect or out-of-date.
RIfthe signs are ambiguous, e.g. traffic signson construction sites or in adjacent lanes.
RIfyou turn sharply when traffic signs are out‐sidethe camera'sfield of vision.
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camera1helps detect pedestrians and ani‐mals.
NightViewAssistis only an aid. The driver isresponsibleforthe distancetothevehicle infront,forvehicle speed,for braking in good timeandforstaying in lane.
%As infrared light is not visibletothe humaneye, NightViewAssistcanremain activatedwhenthere is oncoming traffic.The infrared headlamps switch on inthedark from speeds of approximately 5mph(10 km/h). This meansthat, whilestation‐ary,you do not havethe full visualrange andcannotcheck whether NightViewAssistisworking.
System limitationsNightViewAssistcannot displayobjects directlyin front of or directly nexttothevehicle. It maybethe casethat objects are highlighted aswellas pedestrians or animals.
The system may be impaired or may not functioninthefollowing instances:
Rin poor visibility, e.g. snow,rain,fog or heavyspray.
Rthe windshield is dirty inthe vicinity ofthecamera.
Rthe camera isfogged up, damaged or cov‐ered.
Rthe infrared camera intheradiator grill isdamaged, dirty,fogged up or covered.
Ron bends, on hilltops or in dips.
Rat high ambienttemperatures.
Function of pedestrian and animal detectionof NightViewAssistNightViewAssistcan detect pedestrians usingtypicalcharacteristics, e.g.the body contoursand posture of a personstanding upright.
Largeanimals, e.g. deer, cowsor horses, canalso be detected. Smaller animals, e.g. dogs orcats, are not detected.
Pedestrian and animal detection is automaticallyswitched on whenthefollowingrequirementsare fulfilled:
RNightViewAssistis activated.
RThe driving speed is at least 5mph(10 km/h).
RIt is dark.
1NightViewAssistdisplay
2Standby symbolfor active pedestrian detec‐tion
3Highlighting
4Pedestrian detected
If pedestrian detection is active,standby symbol2appears. There is no separate symbolfor ani‐mals. Detected pedestrians or animals are high‐lightedbya color frame.
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