ESP MERCEDES-BENZ E CLASS 2019 Repair Manual

must be initiated. An immediate lanechange isonly possible on freeway sections without speedlimits.
Ifthe system is impaired,Active Lane ChangeAssistmay be canceled. If it is canceled,theLane Change Canceledmessage appears inthemultifunction display and awarningtone sounds.
\nWARNINGRisk of accident fromchang‐ing lanetoan occupied adjacent lane
Lane ChangeAssistcannot alwaysdetectclearlyifthe adjacent lane is free.
The lanechange might be initiated althoughthe adjacent lane is not free.
Beforechanging lanes, make surethatthe neighboring lane is free andthere isno dangerto otherroad users.
Monitorthe lanechange.
\nWARNINGRisk of accident if LaneChange Assistunexpectedlystops func‐tioning
Ifthe system limitationsfor Lane ChangeAssist havebeenreached,there is no guar‐anteethatthe system willremain active.
Lane Change Assist cannotthen assistyoubyapplyingsteeringtorques.
Always monitorthe lanechange andkeepyour hands onthesteering wheel.Observethe traffic conditions andsteerand/or brake if necessary.
System limitationsThe system limitations ofActiveSteering AssistapplytoActive Lane Change Assist(→page183).
The system may also be impaired or may notfunction inthefollowing situations:
RThe sensors intherear bumper are dirty,damaged or covered,for instanceby asticker or ice and snow.
RTheexterior lighting is malfunctioning.
Activating/deactivatingActive Lane ChangeAssistMultimedia system:
VehiclekAssistance
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
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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.
Function of HillStart Assist
HillStart Assist holdsthevehiclefor a shorttime when pullingawayon a hill underthefol‐lowing conditions:
RVehicles with automatic transmission:The transmission is in position[or^.
RThe electric parking brake isreleased.
This givesyou enough timetomoveyourfootfromthe brake pedaltothe accelerator pedaland depress it beforethevehicle beginstorollaway.
\nWARNINGRisk of accident and injuryduetothevehiclerollingaway
After a short time, HillStart Assist no longerholdsthevehicle and it canrollaway.
Therefore, swiftly moveyourfootfromthe brake pedaltothe acceleratorpedal. Never attempttoleavethevehi‐cle if it is being heldbyHillStart Assist.
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HOLD function
HOLD functionThe HOLD function holdsthevehicle at astand‐still withoutrequiringyoutodepressthe brakepedal, e.g. whilewaiting in traffic.
The HOLD function is only an aid. Theresponsi‐bilityforthevehicle safelystandingstillremainswiththe driver.
System limitationsThe HOLD function is only intendedtoprovideassistance when driving and is not a sufficientmeans of safeguardingthevehicle againstrollingawaywhenstationary.
RThe incline must not be greaterthan 30%.
Activating/deactivating the HOLD function
\nWARNINGRisk of an accident duetotheHOLD function being activated whenyouleavethevehicle
Ifyou leavethevehicle while onlythe HOLDfunction is brakingthevehicle,thevehiclecanrollawayinthefollowing situations:
RIfthere is a malfunction inthe system orinthe power supply.
RIfthe HOLD function is deactivatedbydepressingthe accelerator pedal orthebrake pedal, e.g.byavehicle occupant.
RIfthe electrics inthe engine compart‐ment,the battery orthe fuses aretam‐pered with or ifthe battery is disconnec‐ted.
Always deactivatethe HOLD functionand securethevehicle againstrollingawaybefore leavingthevehicle.
NOTEDamagefrom automatic braking
WhenActive Brake Assist,Active DistanceAssistDISTRONIC orthe HOLD function areactivated,thevehicle brakes autonomouslyin certain situations.
Toavoid damagetothevehicle, deactivatethese systems inthefollowing or similar sit‐uations:
Duringtowing
In a carwash
Requirements:RThevehicle isstationary.
RThe driver's door is closed orthe seat belt onthe driver's side isfastened.
RThe engine isrunning or has been automati‐cally switched offbythe ECOstart/stopfunction.
RThe electric parking brake isreleased.
RActive Distance AssistDISTRONIC is not acti‐vated.
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Thevehicle is lowered again inthefollowing sit‐uations:
RWhen drivingfasterthan 50mph (80 km/h).
RWhen driving between37mph (60 km/h)and 50mph (80 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 active drive pro‐gram.
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)(→page196).
TheWarnearlysetting is always active intherear ofthevehicle.
IfParking AssistPARKTRONIC is deactivated,ActiveParking Assist is unavailable.
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SelectWarn Early.
Activatesor deactivateSthe function.
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
RTrailer view
The area behindthevehicle is displayed as amirror image, as inthe insiderearview mirror.
System limitations
Therear view camera will not function or willonly partially function inthefollowing situations:
RIfthe trunk lid ortailgate is open.
RThere is heavyrain, snow orfog.
RThe ambient light is poor, e.g. at night.
RThe camera lens is obstructed, dirty orfog‐ged up. Observethe notes on cleaningtherear view camera (→page 360).
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Normal view
1Yellow lane markingthe coursethe tires willtakeatthe currentsteering wheel angle(dynamic)
2Yellow guide line,vehicle width (driven sur‐face) depending onthe currentsteeringwheel angle (dynamic)
3Red guide line at a distance of approximately12in (0.3 m) fromtherear area
4Yellowwarning display ofParking AssistPARKTRONIC: obstacles are at a distance ofbetween approximately 2.0ft(0.6 m) and3.3ft(1.0 m)
5Redwarning display ofParking AssistPARKTRONIC: obstacles areveryclose(approximately1.0ft(0.3 m) or less)
6Orangewarning display ofParking AssistPARKTRONIC: obstacles are a medium dis‐tanceaway(between approximately1.0ft(0.3 m) and 2.0ft(0.6 m))
Ifthe entire systemfails,the inner segmentsofthewarning display are shown inred. Theindicator lamp onthePARKTRONIC buttonlights up andtheésymbol appears inthe multifunction display.Ifthe systemfails attherear:RTherear segments are shown inredwhen backing up.
RTherear segments are hidden when driv‐ingforwards.
WhenActiveParking Assist is active,thelanes are displayed in green.IfParking AssistPARKTRONIC is deactivated,thewarning displayfades out.
Wide-angle view
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., inthe
Driving and parking19 9

ActiveParking Assist
Function ofActiveParking AssistActiveParking Assist is an electronic parkingassistance system which uses ultrasound and isautomatically activated duringforward travel.The system is operational at speeds of uptoapproximately 22mph (35 km/h). When alltheconditions are fulfilled,thecsymbol appearsinthe multifunction display andthe system auto‐matically searchesfor and measures parkingspaces on bothsides ofthevehicle parallel andperpendiculartothe direction of travel. IfActiveParking Assist is activated, suitable parkingspaces are displayed inthe multimedia system.Theësymbol appears inthe multifunctiondisplay.The arrowsshow on which side oftheroad free parking spaces are located.
The parking space and, if necessary,the parkingdirection can be selected as desired.ActiveParking Assist calculates a suitablevehicle pathand assistsyou in parking andexitingthe park‐ing space.
Vehicles with automatic transmission:ActiveParking Assistchangesgear, accelerates, brakesandsteersthevehicle.
ActiveParking Assist is only an aid. It is not asubstituteforyour attentiontothe surroundings.Theresponsibilityfor safe maneuvering andparkingremains withyou. Make surethat nopersons, animals or objectsetc. are inthemaneuveringrange.
ActiveParking Assist is canceled if, amongotherthings, one ofthefollowing actions is carriedout:
RYou deactivateParking AssistPARKTRONIC.
RYou deactivateActiveParking Assist.
RYou beginsteering.
RYou applythe parking brake.
RYou engage].
RESP®intervenes.
RYou openthetailgate.
System limitations ofActiveParking AssistObjects located aboveor belowthe detectionrange ofActiveParking Assist are not detected
whenthe parking space is being measured.These are also nottaken into account whentheparking maneuver is calculated, e.g.overhangingloads,overhangs or loadingramps of trucksorthe boundaries of parking spaces. In some cir‐cumstances,ActiveParking Assist maythereforeguideyou intothe parking space prematurely.
\nWARNINGRisk of accident duetoobjects located aboveor belowthedetectionrange ofActiveParking Assist
Ifthere are objects aboveor belowthedetectionrange,thefollowing situations mayarise:
RActiveParking Assist maysteertoo early.
RVehicles with automatic transmis‐sion:Thevehicle may notstop in front ofthese objects.
This could cause a collision.
Inthese situations, do not useActiveParking Assist.
Snowfall or heavyrain may leadtoa parkingspace being measured inaccurately.Parking
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TheActiveParking Assist view appears onthemultimedia system display.Area2displaysdetected parking spaces4andvehicle path3.
Vehicle path3shown onthe multimediasystem display may differ fromthe actualvehicle path.
Ifyou havedriven past a parking space: bringthevehicletoastandstill.
Select desired parking space4.
Where necessary,selectthe parking direc‐tion:forwards orreverse.Vehicle path3is shown, depending onselected parking space4andthe parkingdirection.
Confirm selected parking space4.
The turn signal indicator is switched on auto‐matically whenthe parking procedurebegins. The turn signal indicator is switchedoff automatically whenyou switchto[.
You areresponsiblefor selectingthe turn signalin accordance withthe traffic conditions. If nec‐essary,selectthe turn signal accordingly.
\nWARNINGRisk 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 ReverseGearmessage appears inthe multimedia sys‐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.
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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
Requirements:RThevehicle has been parked withActiveParking Assist.
Depending onthevehicle's equipment,thebutton may also be located at a differentposition inthe center console.
Please notethatyou areresponsibleforthevehi‐cle and surroundings duringthe entire parkingprocedure.
Startthevehicle.
Press button1.TheActiveParking Assist view appears onthe multimedia system display.
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 switched on auto‐matically whentheexitthe parking spaceprocedure begins.
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You areresponsiblefor selectingthe turn signalin accordance withthe traffic conditions. If nec‐essary,selectthe turn signal accordingly.
\nWARNINGRisk 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 switched off auto‐matically.
Example:vehicles with 360° Camera
Aftertheexiting procedure has been completed,theParking Assist Finished, Take Control ofVehiclemessage appears inthe display ofthemultimedia system. Awarningtone and display4inthe display ofthe multimedia systempromptyoutotakeover control ofthevehicle.You havetoaccelerate, 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