lane assist MERCEDES-BENZ E CLASS 2019 User Guide

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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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 display contrast may be impaired duetoincident sunlight orother light sources. Inthis case, pay particular attention.
Havethe displayrepaired orreplaced if,forexample, pixel errorsconsiderablyrestrict itsuse.
Vehicles withoutActiveParking AssistThefollowing camera viewsareavailable inthemultimedia system:
Normal view
1Yellow guide line,vehicle width (driven sur‐face) depending onthe currentsteeringwheel angle (dynamic)
2Yellow lane markingthe coursethe tires willtakeatthe currentsteering wheel angle(dynamic)
3Yellow guide line at a distance of approx‐imately 3.3ft(1.0 m) fromtherear area
4Bumper
5Red guide line at a distance of approximately12in (0.3 m) fromtherear area
Wide-angle view
Vehicles withActiveParking AssistThefollowing camera viewsareavailable inthemultimedia system:
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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
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maneuvering 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)
Top view
1Lane indicatingtheroutethevehicle willtakewiththesteering wheel in its currentposition
2Yellowwarning display ofParking AssistPARKTRONIC: obstacles at a distance ofapproximately 3.3ft(1.0 m) or less
3Yourvehicle from above
Ifthe distancetothe object lessens,the color ofwarning display2changes.From a distance ofapproximately 2.0ft(0.6 m)thewarning displayis shown in orange.From a distance of approx‐imately1.0ft(0.3 m)thewarning display isshown inred.
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WhenParking AssistPARKTRONIC is operationaland no object is detected,the segments ofthewarning display are shown ingray.
Ifthe entire systemfails,the segments ofthewarning display are shown inred. Theindicator lamp onthePARKTRONIC buttonlights up andtheésymbol appears inthe multifunction display.
Ifthe systemfails attherear,the display ofthe segmentschanges asfollows:
RTherear segments are shown inredwhen backing up.
RTherear segments are hidden when driv‐ingforwards.
IfParking AssistPARKTRONIC is deactivated,thewarning displayfades out.
Guide lines
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 approximately1.0 in (0.3 m) fromtherear area
4Mark at a distance of approx. 3.3ft(1.0 m)
WhenActiveParking Assist is active,thelanes are displayed in green.
The guide lines inthe multimedia system dis‐play showthe distancestoyourvehicle. Thedistances only applytoroad level.
Side view ofthe mirror camerasThe sides ofthevehicle can be seen inthis view.
1Guide line ofexternalvehicle dimensionswith outside mirrorsfolded out
2Marker ofthe wheel contact points
SystemfailureIfthere is no operationalreadiness,thefollowingmessage appears inthe multimedia system:
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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 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

tiontothisrestarea. This function can be activa‐ted and deactivated inthe multimedia system.
System limitationsATTENTION ASSIST is active inthe37mph(60 km/h)to124mph (200 km/h) speedrange.
The functionality ofATTENTION ASSIST isrestricted, andwarnings may be delayed or notoccur at all inthefollowing situations:
RIfyou havebeen drivingfor lessthan approx‐imately 30 minutes.
RIftheroad condition is poor (unevenroadsurface or potholes).
RIfthere is astrong side wind.
RIfyou adopt a sporty drivingstyle (high cor‐nering speeds or highrates of acceleration).
RIfthe time has been set incorrectly.
RIn active driving situations, ifyouchangelanes andvaryyour speed frequently.
TheATTENTION ASSIST tiredness or alertnessassessment is deleted andrestarted when con‐tinuingthe journey inthefollowing situations:
RIfyou unfastenyour seat belt and openthedriver's door (e.g.changing drivers ortakinga break).
SettingATTENTION ASSISTMultimedia system:
VehiclekAssistance ATTENTION
ASSIST
Setting options
SelectStandard,SensitiveorOff.
Suggesting arestarea
SelectSuggest Rest Area.
Activatesor deactivatethe functionS.IfATTENTION ASSIST detectsfatigue orincreasing lackof attention, it suggests arestarea inthe vicinity.
Select a suggestedrestarea:you are gui‐dedtothe selectedrestarea.
Traffic Sign Assist
Function ofTraffic Sign Assist
Traffic Sign Assistdetects traffic signs withmul‐tifunction camera1. It assistsyoubydisplay‐ing detected speed limits andovertakingrestric‐tions inthe instrument cluster.
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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.
SettingTraffic Sign AssistMultimedia system:
VehiclekAssistance Traffic Sign
Assist
Activating/deactivating automatic adoptionof speed limits
Requirements:
RActive Distance AssistDISTRONIC is activa‐ted.
SelectLimit Adoption.
Activatesor deactivateSthe function.The speed limits detectedbyTraffic SignAssistare automatically adoptedbyActiveDistance AssistDISTRONIC.
Displaying detected traffic signs in themedia display
SelectDisplay in COMAND.
Activatesor deactivateSthe function.
When DISTRONIC or cruise control are acti‐vated,the speed detected can be manuallyadopted asthe speed limit (→page179).
Adjusting the type ofwarning
SelectVisual & Audible,VisualorNone.
Adjusting thewarningthresholdThisvalue determinesthe speed at which awarning is issued whenexceeded.
SelectWarning Threshold.
Setthe desired speed.
Blind Spot Assist andActive Blind SpotAssist
Function of Blind Spot Assist andActiveBlind Spot AssistwithexitwarningBlind Spot Assist andActive Blind Spot Assistuse two lateral,rear-facingradar sensorstomonitorthe area upto130ft(40 m) behindyourvehicle and10ft(3 m) directly nexttoyourvehi‐cle.
If avehicle is detected at speeds above approx‐imately 8mph (12 km/h) andthisvehicle subse‐quentlyentersthe monitoringrange directly nextto yourvehicle,thewarning lamp inthe outsidemirror lights upred.
If avehicle is detected closetothe side ofyourvehicle,theredwarning lamp inthe outside mir‐rorflashes. Ifyou switchonthe turn signal indi‐cator inthe corresponding direction, awarningtone sounds once. Ifthe turn signal indicatorremains switched on, allother detectedvehiclesare indicated onlybytheflashing oftheredwarning lamp.
Ifyouovertake avehiclequickly,nowarning isgiven.
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\nWARNINGRisk of accident despiteBlindSpot Assist
Blind Spot Assistdoes notreacttovehiclesapproaching andovertakingyou at agreatlydifferent speed.
As aresult, Blind Spot Assist cannotwarndrivers inthis situation.
Always pay careful attentiontothe traf‐fic situation and maintain a safe dis‐tance atthe side ofthevehicle.
Blind Spot Assist andActive Blind Spot Assistare onlyaids. They mayfailtodetect somevehi‐cles and are no substitutefor attentive driving.Always ensurethatthere is sufficient distancetothe sideforotherroad users and obstacles.
ExitwarningTheexitwarning is an additional function ofBlind Spot Assist and canwarnvehicle occu‐pants about approachingvehicles when leavingthevehicle whenstationary.
\nWARNINGRisk of accident despiteexitwarning
Theexitwarningreacts neithertostationaryobjects nortovehicles approachingyou at agreatlydifferent speed.
As aresult,theexitwarning cannotwarndrivers inthese situations.
Always pay particular attentiontothetraffic situation when openingthe doorsand make surethere is sufficient clear‐ance.
Ifthere is avehicle inthe monitoringrange,thisis indicated inthe outside mirror.If avehicleoccupant opensthe door onthe side withthewarning, awarningtone sounds andthewarninglamp inthe outside mirrorstartstoflash.
This additional function is onlyavailable whenBlind Spot Assist is activated and uptoa maxi‐mum ofthree minutes afterthe ignition hasbeen switched off. Theexitwarning is no longeravailable oncethewarning lamp inthe outsidemirrorflashesthree times.
Theexitwarning is only an aid and not a substi‐tuteforthe attention ofvehicle occupants. Theresponsibilityfor opening and closingthe doorsandfor leavingthevehicleremains withthevehi‐cle occupants.
System limitations
Blind Spot Assist andActive Blind Spot Assistmay be limited inthefollowing situations:
Rifthere is dirt onthe sensors orthe sensorsare obscured
Rin poor visibility, e.g. duetofog, heavyrain orsnow
Rifthere are narrowvehicles, e.g. bicycles ormotorbikes
Riftheroad hasverywide or narrowlanes
Rifvehicles are not driving inthe middle oftheir lane
Warnings may be issued in error when drivingclosetocrash barriers or similar solid lane bor‐ders. Always make surethatthere is sufficientdistancetothe sideforother traffic or obsta‐cles.
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