2019 MERCEDES-BENZ S CLASS park assist

be applied automatically.Todothis,the functionusestheradar sensors inthe bumper. The areaadjacenttothevehicle is continually monitored.
Iftheradar sensors are obstructedbyvehiclesorother objects, detection is not possible.
The CrossTraffic Alert function is activeunderthefollowing conditions:
RIf Blind Spot Assist is activated.
RIfthevehicle is backing up atwalking pace.
RIfthe maneuvering assistance function isactivated inthe multimedia system.
System limitationsThe CrossTraffic Alert function is notavailableon inclines.
Deactivating/activating maneuvering assis‐tanceMultimedia system:
,Vehicle.kAssistance.Camera
& Parking.Maneuvering Assist.
#Activatesor deactivateSthe function.
%Maneuvering assistance mustbe activeforthe function of DriveAwayAssist
(→page 235) and CrossTraffic Alert(→page236).
ATTENTION ASSIST
Function ofATTENTION ASSISTATTENTION ASSIST assistsyou on long, monoto‐nous journeys, e.g. on highways and trunkroads.IfATTENTION ASSIST detects indicators offati‐gue or increasing lapses in concentration onthepart ofthe driver, it suggeststaking a break.
ATTENTION ASSIST is only an aid. It cannotalways detectfatigue or lapses in concentrationin time. The system is not a substitutefor awell-rested and attentive driver. On long journeys,takeregular breaks in good timethat allowforadequaterecuperation.
You canchoose between two settings.
RStandard:normal system sensitivity.
RSensitive:higher system sensitivity. Thedriver iswarned earlier andthe attentionlevel detectedbyATTENTION ASSIST is adap‐ted accordingly.
If drowsiness or increasing lapses in concentra‐tion are detected,theATTENTION ASSIST: Takea Break!warning appears inthe Instrument Dis‐play.You can acknowledgethe message andtake a break where necessary.Ifyou do nottakea break andATTENTION ASSIST continuestodetect increasing lapses in concentration,youwill bewarned again after a minimum of15minutes.
You can havethefollowingstatus informationforATTENTION ASSIST displayed inthe assistancemenu ofthe on-board computer:
RThe length ofthe journey sincethe lastbreak.
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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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SettingTraffic Sign AssistMultimedia system:
,Vehicle.kAssistance.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 (→page 204).
Adjusting the type ofwarning
#SelectVisual & Audible,VisualorNone.
Adjusting thewarningthresholdThisvalue determinesthe speed at which awarning is issued whenexceeded.
#SelectWarning Threshold.
#Setthe desired speed.
NightViewAssist
Function of NightViewAssist
With the aid of camera2, NightViewAssisthelpsyoutorecognizethe course oftheroad orobstacles inthe dark.The multifunction displaythen showsa monochrome image ofthe sur‐rounding area in front ofthevehicle. Infrared
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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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Activating or deactivating NightViewAssist
Requirements:RThevehicle has beenstarted orthe ignitionis switched on.
RThe light switch is intheXorXposi‐tion.
RReversegear has not been engaged.
#Press button1.The appropriate NightViewAssistdisplayappears inthe multifunction display.
%The infrared headlamps are deactivated atspeeds below 3mph (5km/h). The NightViewimage continuestobe displayed untilyou switchit offbypressing button1.
Switching automatic activation on/off
Requirements:RPedestrian detection is active (→page241).
RTheroadwayis not lit.
RThe speed is at least37mph (60 km/h).
If alltherequirements are fulfilled,the nightvision image is automatically shown inthe multi‐function display as soon as people or animalsare detected.
Multimedia system:
,Vehicle.kAssistance.Aut.
Night View Assist
#Activatesor deactivateSthe function.
Spotlight functionThe spotlight function is an additional functionfor NightViewAssist. Itruns inthe backgroundandflashesthe headlamps at detected personswithfour shortimpulses. This attractsthe driv‐er's attentiontoapproaching pedestrians.
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Display inthe assistancegraphic
1Spotlight function switched on but not oper‐ating
2Spotlight function switched on and operating
The pedestrian symbol inthe assistance graphicindicatesthestatus ofthe spotlight function. Ifthe pedestrian symbol is displayed dark1,thefunction is switched on. Ifthe symbol is dis‐
played bright2,the conditionsforthe Spotlightfunction are also fulfilled.
System limitationsThe spotlight function does notflash at animals.
The spotlight function is not active or is activeonlytoa limitedextent if:
RYou are driving in city traffic.
RThe pedestrians are located inthe area of anoncomingvehicle or avehicle in front.
Activating/deactivating the spotlight func‐tion
Requirements:RPedestrian detection is active (→page241).
RTheroadwayis not lit.
RThe speed is at least37mph (60 km/h).
RAdaptive Highbeam Assist Plus is switchedon.
If alltherequirements are fulfilled,the headlampflashesfour shortpulses at a pedestrian detec‐ted on or neartotheroadway.
Multimedia system:
,Vehicle.÷.Light Set-
tings.Spotlight
#Activatesor deactivateSthe function.
Blind Spot Assist andActive Blind SpotAssistwithexitwarning
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, awarning
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tone sounds once. Ifthe turn signal indicatorremains switched on, allother detectedvehiclesare indicated onlybytheflashing oftheredwarning lamp.
Ifyouovertake avehiclequickly,nowarning isgiven.
&WARNINGRisk 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.
&WARNINGRisk 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
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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.
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)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).
&WARNINGRisk 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.
&WARNINGRisk 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.
Active Blind Spot Assistis only an aid. It mayfailtodetect somevehicles and is not a substitutefor attentive driving. Always ensurethatthere issufficient distancetothe sideforotherroadusers and obstacles.
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