light MERCEDES-BENZ S-CLASS COUPE 2020 Repair Manual

&
WARNIN GRisk ofan acci dent despite
Ev asive St eer ing Assis t
Ev asiv eSt eer ing Assis tcann otalw aysclear ly
identify objectsandcomplextraf fic situ a‐
tions .
In addition, thesteer ing suppor tof Evasiv e
St eer ing Assis tis ge ner ally no tsu fficien tto
avo idacollis ion.
In suc hcases Evasiv eSt eer ing Assis tcan:
R givean unnec essarywa rning orprov ide
assis tance
R notgi ve awa rning ornotpr ov ide assis‐
ta nce #
Alw ayspa ycar eful attention tothetra f‐
fi c situ ation; donotre ly on Evasiv e
St eer ing Assis talone. #
Beready tobrak eand take evasiv e
act ion ifnec essar y. #
Preve nttheassis tance byact ivel y
st eer ing innon -critical driving situa‐
tion s. #
Drive at an appr opriatespeed ifpedes‐
tr ians areclose tothepat hof your vehi‐
cle. Sy
stem limit s
Fu llsy stem perform anc eis no tav ailable fora
fe w sec ond saf te rswitc hingontheignition or
af te rdr iving off.
The system maybe impair edorma yno tfunc tion
in thefo llo wing situat ions:
R Insno w,rain, fog, hea vyspr ay,if th er eis
gl ar e, indir ect sunlight oringrea tly varying
ambien tlight .
R Ifth esensor sar edir ty,fo gg ed up, damag ed
or covered.
R Ifth esensor sar eim pair eddue tointerfer‐
ence from other radar sour ces, e.g.stro ng
ra dar reflect ions inpar king garage s.
R Ifaloss oftirepr essur eor afa ulty tirehas
been detected and displ aye d.
R Incom plextraf fic situ ations whereobject s
cann otalw aysbe clear lyidentif ied. R
Ifpedes trians orvehicles movequickl yint o
th esensor detection rang e.
R Ifpe destrians arehidde nby other object s.
R Ifth etypical outline ofapedes trian cann ot
be distinguished from thebac kground .
R Ifapedes trian isno tde tected assuch ,e.g.
due tospecial clothing orother objects .
R Onbends withatight radius.
% The ActiveBr ak eAssi stsensor sadjus taut o‐
matically whileacer tain dis tance isbe ing
dr iven afte rth eve hicle hasbeen delivered.
Ac tiveBr ak eAssi stisuna vailable oronl y
par tiall yav ailable during this teac h-in per iod. Se
tting Activ eBr ak eAs sist Multimedia
system:
4 Vehicle 5
k Assist ance
5 Act ive Brak eAssist
Ve hicl eswithout Drivin gAss istanc ePa ck‐
ag e:The settings canbemade afte rst ar tin gth e
ve hicle. 17
6
Driving and parking

%
The segment sbe tween thestor ed speed and
th eend ofthesegment displaylight upin
th espeedome ter.
Sy stem limit s
Cr uise control ma ybe unable tomaint ainthe
st or ed speed onuphill gradients. Thestor ed
speed isresumed whenthegr adient evensout.
Ch ang eint oalowe rge ar ingood timeon long
and steep downhill gradients. Take par ticular
no te ofthis when drivin galaden vehicle. By
doing so,youwill mak euse oftheengine' sbr ak‐
ing effect. Thisre lie vesth eload onthebr ak e
sy stem and preve nts thebr ak es from overheat‐
ing and wearing tooqu ickl y.
Do notus ecr uise contr olinthefo llo wing situa‐
tion s:
R Intraf fic situ ations whichrequ ire freq uent
ch ang esofspee d,e.g .in hea vytraf fic, on
wi nding roads.
R Onslippe ryroads. Accel erati ng can cause
th edr ive wheels tolose tract ion and the
ve hicle could then skid.
R Ifyo uar edr ivin gwhen visibilit yis poor . Ope
ratin gcr uis eco ntr ol &
WARNIN GRisk ofacci dent dueto stor ed
speed
If yo ucall upthestor ed speed andthis is
lo we rth an your cur rent spe ed,th eve hicle
deceler ates. #
Take intoacc ount thetra ffic situat ion
bef orecallin gup thestor ed speed. Re
quirement s:
R ESP®
mus tbe act ivat ed, but notint erve ning .
R The driven spe edisat leas t15 mp h
(20 km/ h).
R The transmis sionisin positio n005B. #
Toactiv atecr uise contr ol: press rock er
switc h1 up. #
Toactiv atecr uise contr ol: press rock er
switc h2 up(SET +)or down (SET -).
The current spe edisstor ed and maint ained
by theve hicle.
or 17
8
Driving and parking

ve
hicles withth eDr iving Assistance Packag e, in
th era ng ebe twee n15 mp h(20 km/h) and
13 0mp h(210 km/h) .
Ot her featur esofActiveDis tance Assist
DIS TRONI C:
R Adjus tsthedr iving style depending onthe
select eddrive pr ogr am (fuel efficie nt, com‐
fo rtable ordynam ic)(/ page15 0)
R Vehicl eswith Drivin gAss istanc ePa ck‐
ag e:react sto statio naryve hicles detected in
urb anspe edrang es (exc ep tbicy cles and
mo torcyc les)
R Initiates acc eler ation tothestor ed speed if
th etur nsignal indicat orisswitc hedonto
ch ang eto theove rtakin glane
R Vehicl eswith Drivin gAss istanc ePa ck‐
ag e:tak esone- sided overtakin gre strictions
int oacco untonhighwaysor on multi-lane
ro ads withseparat ero adw ays(countr y-
dependen t)
Ve hicl eswith Activ ePa rking Assis tand Driv‐
ing Assis tance Packag e:ifth eve hicle has
been brak ed toast ands tillon mult i-lane,sepa‐ ra
te roadw aysby ActiveDis tance Assist
DIS TRONI C,itcan automatical lyfollo wtheve hi‐
cle infront driving offag ain within 30seconds. If
a cr itical situation isde tected whe ndr ivi ng off,a
vis ualand acoustic warning isgiv en indic ating
th at thedr iver mus tno wtake contr olof theve hi‐
cle. The vehicle isno tacceler ated anyfur ther.
Ac tiveDis tance AssistDIS TRONI Cis only anaid.
The driver isresponsible forke eping asaf edis‐
ta nce totheve hicle infront, forve hicle speed
and forbr aking ingood time.
Sy stem limit s
The system maybe impair edorma yno tfunc tion
in thefo llo wing situat ions:
R Insno w,rain, fog, hea vyspr ay,if th er eis
gl ar e, indir ect sunlight oringreat lyvarying
ambien tlight .
R The windsh ieldinthear ea ofthecamer ais
dir ty,fo gg ed up, damag edorcovered.
R Ifth era dar sensor sar edir tyor covered.
R Inpar kingga rage sor on roads withsteep
uphill ordownhill gradients. R
Ifth er ear enar row vehicles infront, suchas
bicy cles ormo torcyc les.
In addition ,on slipper yro ads, brakin gor acc el‐
er atin gcan caus eon eor severalwheels tolose
traction andtheve hicle could then skid.
Do notuse ActiveDis tance AssistDIS TRONI Cin
th ese situation s. &
WARNIN GRisk ofacci dent from acce ler‐
ati on orbraki ng byActiveDis tance
Assi stDIS TRONI C
Ac tiveDis tance AssistDIS TRONI Cma yacc el‐
er ateor brak ein thefo llo wing cases ,fo r
ex am ple:
R Ifth eve hicle pullsaway usin gAc tiveDis ‐
ta nce AssistDIS TRONI C.
R Ifth estor ed speed iscalled upand is
considera blyfaster or slo werth an the
cur rentl ydr iven spe ed.
R IfAc tiveDis tance AssistDIS TRONI Cno
lo ng er detects ave hicle infront ordoes
no tre act toreleva nt objects. 18
0
Driving and parking

%
When theto llst atio nis reac hed, ActiveDis ‐
ta nce AssistDIS TRONI Cad op tsthespeed as
th estor ed speed.
Also, thespeed isreduced ifth etur nsignal indi‐
cat ortochang elane sis swit ched on and one of
th efo llo wing situat ionsisde tected:
R Turning offat intersect ions
R Drivin gon slowing- down lanes
R Drivin gon lanes adjacenttoslo wing-do wn
lanes
The driver isresponsible forch oosing theright
speed andobser vingother road user s.This
applies inpar ticular tointersect ions,traf fic cir‐
cle sand traf fic lights, asroute-based speed
adap tatio ndo es notbr ak eth eve hicle toast and‐
st ill.
When routeguidan ceisact ive, thefirs tsp ee d
ad jus tment iscar ried out automaticall y.Ifth e
tur nsigna lind icatoris switc hedon,theselect ed
ro uteis co nfirmed andfurther speed adjustment
is activ ated. Speed
adjustmentis canc eled inthefo llo wing
cases :
R Ifth etur nsignal indicat orisswitc hedoff
bef oreth ero uteeve nt.
R Ifth edr iver depr esses theacceler ator or
br ak epedal during thepr ocess.
Sy stem limit s
Ro ute-based speedadap tatio ndo es notta ke
ri ght ofwa yre gulations intoaccount .The driver
is responsible forcom plying withro ad traf fic
re gulations anddriving atasuit able speed.
In dif ficul tcondi tions,fo rex am ple unc lear roads,
lane narrowing, wetro ad sur faces, snowor ice ,
or whe ndr ivi ng with atrailer ,th espeed adjust‐
ment made bythesy stem mayno talw aysbe
suit able. Inthese situation sth edr iver mus t
int erve ne acco rding ly. &
WARNIN GRisk ofacci dent inspi teof
ro ute-based speedadj ustm ent
Ro ute-based speedadj ustm entmigh tmal‐
fun ction orbe temp orarily una vailable inthe
fo llo wing situat ions: R
Ifth edr iver does notfo llo wthecalcula‐
te dro ute
R Ifmap datais no tup todat eor available
R Inroad con stru ction area s
R Inbadwe ather orroad con dition s
R Ifth eaccelera torpeda lis depr essed
R Intheeve ntofelectr onicallydispla yed
speed limitations #
Adjus tth espeed tothetraf fic situ ation. Se
tting rout e-base dspee dadjus tment Re
quirement s:
R ActiveDis tance AssistDIS TRONI Cis acti va‐
te d.
Multimedia system:
4 Vehicle 5
k Assist ance
5 Speed Adjustmen t #
Activate0073 ordeacti vate 0053 thefunc tion. Dr
iving andparking 18
5

Sy
stem limit s
Ac tiveSt eer ing Assis thas alimit edsteer ing tor‐
qu efo rlat eral gui dance. Insome cases, the
st eer ing interve ntio nis no tsu fficien tto keep the
ve hicle inthelane ortodrive th ro ugh exits.
The system maybe impair edorma yno tfunc tion
in thefo llo wing instances:
R The reispoor visibilit y,e.g. due tosno w,rain,
fo g, hea vyspr ay,gr eatl yva rying ambien t
light orstro ng sha dows onthero adw ay.
R Ther eis glar e, e.g .fr om oncom ingtraffic,
di re ct sunli ght orreflect ions.
R Insuf ficie ntroad illumin ation.
R The wind shieldisdir ty,fo gg ed up, damag ed
or coveredin thevicinit yof thecamer a,e.g.
by ast icke r.
R No, orseveralunc lear,lane markingsare
pr esen tfo rone lane, orthemar king sch ang e
qu ickl y, e.g. inacon stru ction areaoratinter‐
secti ons.
R The lane mar kings arewo rnaw ay,dar kor
co veredup, e.g. bydirtor sno w. R
The distance totheve hicle infront istoo
small andthelane marking sth us can notbe
de tected.
R The road isnar row and wind ing.
R Ther ear eobs tacle son thelane orprojec ting
out intoth elane, suchas objec tmar kers.
The system does notpr ov ide assis tance inthe
fo llo wing condition s:
R Ontigh tbends andwhen turnin g.
R When crossin gint ersect ions.
R Attraf fic cir cle sor tollst atio ns.
R When activel ych ang inglane without switch‐
ing onthetur nsignal indicat or.
R When thetir epr essur eis toolow.
Dep endingontheselect edvehicle settin gs,
Ac tiveSt eer ing Assis tma ybe una vailable.
Obser vethest atus displa yof ActiveSt eer ing
Assis tin themultifunc tiondispla y
(/ page19 0). &
WARNIN GRisk ofacci dent ifAc tive
St eer ing Assis tune xpect edlystops func‐
tionin g
If th esy stem limits ofActiveSt eer ing Assis t
ar ere ac hed ther eis no guar anteethat the
sy stem will remain activeor wil lke ep the
ve hicle inlane. #
Alw ayske ep your han dson thesteer ing
wheel andobser vethetra ffic car efull y. #
Alw aysst eer theve hicle paying atten‐
tion totraf fic condi tions. &
WARNIN GRisk ofacci dent ifAc tive
St eer ing Assis tune xpect edlyinterve nes
A ma lfunctio nin thede tection oflane mar k‐
ings andobje ctscan occu r.
This could cause unexpect edsteer ing inter‐
ve ntio n. #
Steer accor dingtotraf fic condi tions. Ac
tiv atin gAc tiv eSte ering Assis t
Re quirement s Dr
iving andparking 18
7

If
alane chang eis no tposs ible, thear row fades
out afte ra fe w sec ond sand ane wlane chang e
mus tbe init iated. Animm ediat elane chang eis
on lypo ssible on free wa ysec tion swit hout speed
limi ts.
If th esy stem isim pair ed,ActiveLa ne Chang e
Assi stma ybe canceled .If it is canceled ,th e
Lane Change Cancel edmessag eappe arsin the
multifu nctiondisplay and awa rning tone sou nds. &
WARNIN GRisk ofacci dent from chang ‐
ing lane toan occ upied adjacentlane
Lan eChan geAssi stcanno tal wa ys detect
cle arly ifth eadjacen tlane isfree.
The lane chang emigh tbe init iated although
th eadjacen tlane isno tfr ee. #
Beforech ang inglane s,mak esur eth at
th eneighbor inglane isfree and ther eis
no dang ertoother road user s. #
Mon itor thelane chang e. &
WARNIN GRisk ofacci dent ifLane
Ch ang eAssi stune xpectedl yst ops func‐
tionin g
If th esy stem limit ations forLane Change
Assis tha ve been reac hed, ther eis no guar‐
ant eethat thesy stem will remain active.
Lane ChangeAssis tcanno tth en assis tyo u
by appl ying steer ing torq ues . #
Alw aysmonit orthelane chang eand
ke ep your han dson thesteer ing wheel.
Obser vethetra ffic con dition sand steer
and/or brak eif neces sary. Sy
stem limit s
The system limit ations ofActiveSt eer ing Assis t
apply toActiveLa ne Chang eAssi st
( / pag e18 6).
The system mayalso beimpair edorma yno t
func tion inthefo llo wing situat ions:
R The sensorsin there ar bum peraredir ty,
damag edorcoveredby ast icke ror ice and
sno w,forex am ple.
R The exterior lighting showsafa ult. %
The ActiveLa ne Chang eAssi stsensor s
adjus taut omaticall ywhile acer tain dis tance
is be ing driven afte rth eve hicle hasbeen
deliv ered. ActiveLa ne Chang eAssi stis
una vailable oronl ypar tiall yav ailable during
th is teac h-in proce ss;noarro w appear sne xt
to theØ ActiveSt eer ing Assis tsymbol
when thetur nsignal indicat orisactiv ated.
Ac tiv atin g/deac tivatin gAc tiv eLan eCha nge
As sist
Multimedia system:
4 Vehicle 5
k Assist ance #
Select LaneChange Assist. #
Activate0073 ordeacti vate 0053 thefunc tion.
Fu nction ofActiv eEme rgency Stop Assis t
If th edr iver con tinuall yignor esthevisual or
acous ticwarning toput their hands onthesteer‐
ing wheel, theBeginn ingEmer gencySt op mes‐
sag eappear sin themultifunc tiondispla y.Ifth e
dr iver still does notre spond, ActiveDis tance
Assi stDIS TRONI Creduces thespeed. Thevehi‐
cle isdeceler ated instag es toast ands till. Dr
ivin gand parking18
9

Dep
endingonthecount ry,at speeds below
40 mph(60 km/h) thehazar dwa rning light s
switc hon aut omat ically.
When theve hicle isstatio nary,thefo llo wing
act ions arecar ried out :
R The vehicle issecur edwithth eelectr icpar k‐
ing brak e
R ActiveDis tance AssistDIS TRONI Cis end ed
R The vehicle isunloc ked
R Ifpossib le,an emer gency callis place dto
th eMer cedes- Benzemergency callcent er
The driver can cance lth edeceler ationatany
time byper form ing one ofthefo llo wing actions :
R Steer ing
R Braking oracceler ating
R Pressing ast eer ing-wheel button
R Oper ating Touc hCon trol
R Activati ng ordeacti vating ActiveDis tance
Assi stDIS TRONI C Ov
erview ofActiv eDi stance Assist
DI ST RO NIC displa ysintheins trum ent clus‐
te r The
assis tance grap hicand thest atus displa y
sho wthest atus ofthefo llo wing functionsin the
ins trumen tclus ter:
R ActiveDis tance AssistDIS TRONI C
R Route-based speedadap tatio n
R ActiveSt eer ing Assis t Assis
tantdispla y 1
Route-based speedadap tatio n:typ eof route
eve nt
2 Vehicle infront
3 Distance indicator
4 Setspe cified dist anc e
5 Own vehicle 19
0
Driving and parking

Ac
tiv eDi stance AssistDI ST RO NIC status dis‐
pla yand route-base dspee dadap tation 1
ActiveDis tance AssistDIS TRONI Csel ect ed,
se tsp eci fied distance (numbe rof seg ments
be low theve hicle)
2 ActiveDis tance AssistDIS TRONI Cde acti va‐
te d, speed stor ed 3
ActiveDis tance AssistDIS TRONI Cacti ve,
speed stor ed, novehicle detected (brigh t
ve hicle symbol)
4 ActiveDis tance AssistDIS TRONI Cacti ve,
speed stor ed, vehicle detected (green vehi‐
cle symbol)
5 ActiveDis tance AssistDIS TRONI Cand route-
based speedadap tatio nacti ve,speed stor ed
% Onhighw aysor high-speed major roads, the
gr een ç vehicle symbol isdispla yedcy cli‐
cally when theve hicle isready topull away.
% Ifyo udepr esstheacceler ator pedal beyond
th ese tting oftheAc tiveDis tance Assist
DIS TRONI C,thesy stem isswitc hedtopas‐
siv emode. Theç Suspen dedmessag e
appear sin themultifunc tiondispla y.
Speedome ter
The stor ed speed ishighlight edon thespeedom‐
et er.If th espeed oftheve hicle infront orthe
speed adjustment isless than thestor ed speed
due tothero uteeve ntahead, thesegment sin
th espeedome terlig ht up. Deactiv ationofActive
Dis tance AssistDIS TRONI C,as wellas altera‐
tion sto thespeed duetomanua lor automatic adop
tionofthespeed limit,aredispla yedin the
contr olfeedbac kof themultifunc tiondispla yon
a sing leline.
Ac tiv eSte ering Assis tst atus displa y 1
Gray steer ing wheel: ActiveSt eer ing Assis t
switc hedonand passiv e
2 Green steer ing wheel: ActiveSt eer ing Assis t
switc hedonand activ e
3 Flashing steer ing wheel: prom pttothedr iver
to act ivel ycon firm ortransition from activ e
to passiv est atus ,sy stem limits detected
Dur ing thetransition from activ eto passiv est a‐
tus ,symbo l3 issho wnasenl arge dand flash‐ Dr
ivin gand parking 19
1

Se
tting theve hicl eleve l &
WARNIN GRisk ofacci dent because
ve hicle leve lis toohigh
If yo udr ive at ahigh ervehicle leve l,th edr iv‐
ing charact eristic sma ybe impair eddue to
th ehigher vehicle centerofgrav ity .
The vehicle candrift outw ards, forex am ple,
when steer ing orcor ner ing. #
Alw aysch oose ave hicle leve lwhic his
suit edtothedr iving style and thero ad
sur face condi tions. &
WARNIN GRisk ofentr apment from vehi‐
cle lowe ring
Whe nlowe ring theve hicle, people could
become trapped ifth eir limbs arebe tween
th eve hicle body andthetir es orunder neath
th eve hicle. #
Mak esur eno one isunder neathth e
ve hicle orintheimmediat evicinit yof
th ewheel arch es when theve hicle is
being lowe red. &
WARNIN GRisk ofentr apment from vehi‐
cle lowe ring
Ve hicl eswith AIRMA TICorleve lcontr ol:
When youunlo adlugg ageor lea vetheve hi‐
cle, theve hicle firs trises slightly andthen
re tur ns tothese tle ve lshor tly af te rw ards.
Yo uor anyone else inthevicinit yof the
wheel arch es ortheunderbody couldthus
bec ome trapped.
The vehicle canalso belowe redaf te rbeing
loc ked. #
When leaving theve hicle, makesur e
th at nobody isin thevicinit yof the
wheel arch es ortheunderbody . *
NO
TEDama gedue tovehicle lowe ring Pa
rts of thebody could bedamag edwhen
th eve hicle islowe red. #
Mak esur eth at ther ear eno obs tacles
suc has curbs underneathor inthe
immed iatevicin ityofthebody when the
ve hicle isbeing lowe red. Re
quirement s:
R The vehicle hasbeen star ted.
R The vehicle mustno tbe mo ving faster than
50 mph(8 0km/h).
Ra ising theve hicl e #
Press butt on1.
Indica torlam p2 lights up. Dr
iving andparking 19
5

Pr
oblems withParking Assis tPA RK TRONI C Ve
hicles without 360° Camer a Ve
hicles with360° Camer a Pr
oblem
Possible causes/conseq uencesand0050 0050
Solutions
Re ar segm ents1 orall-r oundseg‐
men ts2 light upred. The é sym‐ Pa
rking AssistPA RK TRONI Cis malf unction ing and hasbeen deactiva teddue tosignal interfere nce. #
Startth eve hicle again. #
Chec kif Pa rking AssistPA RK TRONI Cis wo rking atadif fere nt locati on. 19
8
Driving and parking