2019 MERCEDES-BENZ E CLASS brake sensor

Warnings may be interrupted when driving along‐side longvehicles,forexample trucks,for a pro‐longed time.
Blind Spot Assist is not operational whenreversegear is engaged.
Theexitwarning may be limited inthefollowingsituations:
RWhenthe sensors are coveredbyadjacentvehicles in narrowparking spaces.
RWhen people approachthevehicle.
RIntheevent ofstationary or slowly movingobjects.
Function of brake application (Active BlindSpot Assist)The brake application function is onlyavailableforvehicles with a Driving AssistancePackage.
IfActive Blind Spot Assistdetects arisk of a sideimpact inthe monitoringrange, a course-cor‐recting brake application is carried out. This isdesignedtohelpyouavoid a collision.
The course-correcting brake application isavaila‐ble inthe speedrange between approximately20mph (30 km/h) and125mph (200 km/h).
\nWARNINGRisk of accident despitebrake application ofActive Blind SpotAssist
A course-correcting brake application cannotalways prevent a collision.
Alwayssteer, brake or accelerateyour‐self, especially ifActive Blind SpotAssistwarnsyou or makes a course-correcting brake application.
Always maintain a safe distance atthesides.
\nWARNINGRisk of accident despiteActive Blind Spot Assist
Active Blind Spot Assistdoes notreacttothefollowing:
RIfvehiclesovertaketoo closely ontheside, placingthem inthe blind spot area
RVehicles approaching andovertakingyouat agreatly different speed
As aresult,Active Blind Spot Assistmay nei‐ther givewarnings nor intervene in suchsit‐uations.
Always pay careful attentiontothe traf‐fic situation and maintain a safe dis‐tance atthe side ofthevehicle.
If a course-correcting brake application occurs,theredwarning lampflashes inthe outside mir‐ror and awarningtone sounds. In addition, dis‐play1indicatingthe danger of a side collisionappears inthe multifunction display.
Inrarecases,the system may make an inappro‐priate brake application. This brake application
214Driving and parking

RYou haveadopted a sporty drivingstyle withhigh cornering speeds or highrates of accel‐eration.
RWhen ESP®is deactivated.
RIf a loss of tire pressure or afaulty tire hasbeen detected and displayed.
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,the sun orreflections.
RIfthe windshield inthe area ofthe multifunc‐tion camera is dirty, or ifthe camera isfog‐ged up, damaged or covered.
RIfthere are no lane markings, or severalunclear lane markings are presentfor onelane, e.g. aroundroadworks.
RIfthe lane markings areworn, dark or cov‐ered.
RIfthe distancetothevehicle in front istooshort andthusthe lane markings cannotbedetected.
RIfthe lane markingschangequickly,e.g.lanes branch off, cross one another ormerge.
RIftheroadwayisverynarrow and winding.
Vehicles with Driving Assistance packageorDriving Assistance Plus package:Active LaneKeeping Assist usesradar sensorstomonitorseveral areas aroundthevehicle. Iftheradarsensors intherear bumper are dirty or coveredwith snow,the system may be impaired or maynot function. If an obstacle inthe lane in whichyou are driving has been detected, no lane-cor‐recting brake application occurs.
Activating/deactivatingActive LaneKeepingAssist (vehicles withParking AssistPARKTRONIC)
\nWARNINGRisk of accident despiteActive LaneKeeping Assistwarning
A lane-correcting brake application cannotalwaysbringthevehicle back intothe origi‐nal lane.
Alwayssteer, brake or accelerateyour‐self, especially ifActive LaneKeepingAssistwarnsyou or makes a lane-cor‐recting brake application.
\nWARNINGRisk of accident despiteinter‐vention ofActive LaneKeeping Assist
Active LaneKeeping Assist does not detecttraffic conditions orroad users. Inveryrarecases,the system may make an inappropri‐ate brake application, e.g. after intentionallydrivingover a solid lane marking.
The brake application can be interrupted atany time ifyousteer slightly inthe oppositedirection.
Driving and parking217

Observethefollowing when selecting, installingandreplacing tires:
ROnly use tires and wheels ofthe same type(summer tires, winter tires, MOExtendedtires) andthe same make.
ROnly install wheels ofthe same size on oneaxle (left andright).
It is only permissibletoinstall a differentwheel size intheevent of aflat tire in ordertodrivetothe specialistworkshop.
ROnly install tires ofthe correct size ontothewheels.
RVehicles with a tire pressure monitoringsystem:All installed wheels must be equip‐ped with functioning sensorsforthe tirepressure monitoring system.
RAttemperatures below 45 °F (7 °C), use win‐ter tires or all-season tires marked M+Sforall wheels.
Winter tires bearingtheMsnowflake sym‐bol in additiontothe M+S marking providethe best possible grip in wintryroad condi‐tions.
RFor M+S tires, only use tires withthe sametread.
RObservethe maximum permissible speedforthe M+S tires installed.
Ifthis is belowthevehicle's maximum speed,this must be indicatedbyan appropriatelabel inthe driver'sfield of vision.
RBreak in new tires at moderate speedsforthefirst 60 miles (100 km).
RReplacethe tires after sixyears atthe latest,regardless ofwear.
RWhenreplacing with tires that do notfea‐turerun-flatcharacteristics:vehicles withMOExtended tires are not equipped with aTIREFIT kit atthefactory.Equipthevehiclewith a TIREFIT kit afterreplacing with tiresthat do notfeaturerun-flatcharacteristics,e.g. winter tires.
For more information on wheels and tires, con‐tact aqualified specialistworkshop.
Be suretoalso observethefollowing furtherrelated subjects:
RNotes on tire pressure (→page 386)
RTireand Loading Information placard(→page 393)
RTiresize designation, load-bearing capacity,speedrating and load index (→page 400)
RTirepressuretable (→page 387)
Notes onrotating wheels
\nWARNINGRisk of injurythrough differ‐ent wheel sizes
Interchangingthe front andrear wheels ifthewheels or tires havedifferent dimensionsmay severelyimpairthe drivingcharacteris‐tics.
The wheel brakes or wheel suspension com‐ponents may also be damaged.
Rotatefront andrear wheels onlyifthewheels and tires are ofthe same dimen‐sions.
Wheels and tires407

Display messagesPossible causes/consequences andPPSolutions
Havethe brake systemchecked immediately at aqualified specialistworkshop.
Drive on carefully.
Visit aqualified specialistworkshop immediately.
'
(USA only)
M
(Canada only)
Check Brake Fluid Level
*There is insufficient brakefluid inthe brakefluidreservoir.
\nWARNINGRisk of an accident duetolow brakefluid level
Ifthe brakefluid level istoo low,the braking effect andthe brakingcharacteristics may be impaired.
Pullover andstopthevehicle safely as soon as possible, paying attentiontoroad and traffic conditions.Do not continue driving under any circumstances.
Consult aqualified specialistworkshop.
Do not add brakefluid.
Pullover andstopthevehicle safely as soon as possible, paying attentiontoroad and traffic conditions. Do notcontinue driving under any circumstances.
Do not add brakefluid.
Consult aqualified specialistworkshop.
Radar Sensors Dirty SeeOperator's Manual
*Theradar sensor system is malfunctioning.Possible causes are:
RDirt onthe sensors
RHeavyrain or snow
Display messages andwarning/indicator lamps433

Drive positionInserting ..............................................151
Drive program display.............................14 9
Drive programsseeDYNAMIC SELECT
Driver's seatsee Seat
Driving lightsseeAutomatic driving lights
Driving safety system.............................165ABS (Anti-lock Braking System) ...........16 6Active Brake Assist..............................17 0BAS (Brake AssistSystem) ..................16 6EBD (electronic brakeforce distribu‐tion) .....................................................17 0
ESP®Crosswind Assist........................17 0Overview .............................................16 6Radar sensors ......................................16 5Responsibility ......................................16 5STEER CONTROL .................................17 0
Driving systemDYNAMICBODYCONTROL ..................19 0
Driving systemsee 360° CameraseeActive Blind Spot AssistseeActive Distance AssistDISTRONICseeActive EmergencyStop AssistseeActive Lane Change AssistseeActive LaneKeeping AssistseeActiveParking AssistseeActive Speed Limit AssistseeActiveSteering Assistsee AIRBODYCONTROLseeATTENTION ASSISTsee Blind Spot Assistsee Cruise controlsee Driving safety systemsee HOLD functionseeParking AssistPARKTRONICseeRear view cameraseeTraffic Sign Assist
Driving tipsDrinking and driving ............................14 2General driving tips .............................142Notes on breaking-in a newvehicle .....141
Drowsiness detectionseeATTENTION ASSIST
DYNAMICBODYCONTROLSuspension ..........................................19 0
Dynamic handling control system
see ESP®(ElectronicStability Program)
DYNAMIC SELECT....................................14 8Configuring drive program I .................14 9Displaying engine data ........................14 9Displayingvehicle data ........................14 9Drive program display ..........................149Drive programs ....................................148Function ..............................................14 8Operating (DYNAMIC SELECT switch).............................................................149Selectingthe drive program ................149Showing operationfeedback ...............14 9
E
E10............................................................ 420
Easy entryfeatureFunction/notes ...................................100Setting .................................................101
EasyexitfeatureFunction/notes ...................................100Setting .................................................101
500Index