2021 MERCEDES-BENZ S-CLASS COUPE Owner's Manual

#
Toactiv atewi thout ast or ed speed :pr ess
ro ck er switc h1 upM ordown N, or
select Jwithth elef tro ck er switc h.
or #
Toactiv atewi th ast or ed speed :selec t
J withth elef tro ck er switc h. #
Remo veyour foot from theacceler ator pedal.
The current spe edisstor ed and maint ained
by theve hicle.
Ad opting ade tected spee dlim it #
ActivateAc tiveDis tance AssistDIS TRONI C. #
Ifatraf fic sig nha sbee nde tected and isdis‐
pl ay ed intheins trument cluster: select J
wit hth elef tro ck er switc h.
The maximum permissible speedonthetraf‐
fi c sig nis ad op tedas thestor ed speed. The
ve hicle adaptsits speed tothat oftheve hicle
in front, butonlyup tothestor ed speed.
Pulling away wit hAc tiv eDi stance Assist
DI ST RO NIC #
ActivateAc tiveDis tance AssistDIS TRONI C
and remo veyour foot from thebr ak epedal. #
Select Jwithth elef tro ck er switc h.
or #
Depr esstheacceler ator pedal brief lyand
fi rm ly.
The funct ionsofActiveDis tance Assist
DIS TRONI Cconti nuetobe car ried out.
Deactiv atingActiv eDi stance Assist
DI ST RO NIC &
WARNIN GRisk ofacci dent dueto Active
Dis tance AssistDIS TRONI Cstill being
act ivat ed when youlea vethedr iver's
seat
If yo ulea vethedr iver's seat while theve hicle
is being brak ed byActiveDis tan ceAssi st
DIS TRONI Conly ,th eve hicle canrollaw ay. #
Alw aysdeactiv ateAc tiveDis tance
Assi stDIS TRONI Cand secureth eve hi‐
cle topreve ntitfrom rolling away
bef oreyo ulea vethedr iver's seat. #
Select Owithth elef tro ck er switc h. %
Ifyo ubr ak e, deac tivateES P®
or ifES P®
int erve nes, ActiveDis tance Assist
DIS TRONI Cis de acti vated.
Incr easing ordecr easing thespeed #
1mp h(1 km/h) :pr ess rock er switc h1 up
M ordown N tothepr essur epoint .
or #
5mp h(1 0 km/h) :pr ess rock er switc h1 up
M ordown N beyond thepr essur e
point .
or #
Accel erateth eve hicle tothedesir edspeed
and press rock er switc h1 upM.
Changing thespecif ieddistance totheve hi‐
cle infront #
Toreduce thespecified distance: press
th eright rock er switc hup (Ñ). #
Toincr ease thespecif ieddistance: press
th eright rock er switc hdo wn (Ò). Dr
iving andparking 16
7

Fu
nction ofActiv eSpe edLimit Assist If
speed limitch ang ebe tween 12mp h
(20 km/ h)and 80mph(1 30 km/h) isde tected
and theaut omatic adoptionofspeed limitsis
activ e,itwill beaut omaticall yadop tedas the
st or ed speed (/page19 5).
The driven spee dis adju sted when theve hicle is
le ve lwit hth etraf fic sig nat thelat est.In the
case ofsig ns indi cati ngentr yint oan urb anarea ,
th espeed isadap tedaccor dingtothespeed
per mitt edwithin theurban area. The speed limit
displa yin theIns trument Displayis alw aysupda ‐
te dwhen theve hicle isleve lwit hth etra ffic sign .
If th er eis no speed restriction onanunlimited
st re tchof road (e.g.on afree wa y), there com‐
mend edspe edisau tomatical lyadop tedas the
st or ed speed. Thesystem uses thespeed stor ed
on anunlimit edstre tchof road asthere com‐
mend edspe ed. Ifyo udo notalt er thestor ed
speed onanunlimit edstre tchof road, there c‐
omme ndedspeedis80 mph(1 30 km/h) .
If Ac tiveDis tance AssistDIS TRONI Cha sbe en
pu tint opa ssi ve mode bypressing theaccelera ‐to
rpeda l,onl yspee dlimi tswhi charehigh er
th an these tspeed areadop ted.
Obser vetheno teson driving systems andyour
re sponsibili ty;yo uma yot her wise failto recog‐
nize dangers(/ page 153).
Sy stem limit s
The system limits ofTraf fic Sign Assistappl yto
th ede tection oftraf fic sig ns (/ page 194).
Spee dlimits below 12mp h(2 0km/h) areno t
au tomatical lyadop tedby thesy stem asthe
st or ed speed. Temp orar yspeed restrictions (e.g.
fo ra cer tain tim eor due towe ather condition s)
can notbe proper lyde tected bythesy stem. The
maximum permissible speedapplying toave hi‐
cle withatrailer isno tde tected bythesy stem.
Ad jus tth espeed inthese situation s. &
WARNIN GRisk ofacci dent dueto Active
Spe edLimi tAssi stadap tingth eve hicle's
speed
The speed adoptedby ActiveSpe edLimi t
Assi stma ybe toohigh orincor rect insome
indi vidualcase s,su ch as: R
atspee dlimit sbelo w12 mp h(2 0km/h)
R inwe tcond itions orinfog
R when towing atrailer #
Ensur eth at thedr iven speed complies
wit htraf fic re gulations. #
Adjus tth edr iving speed tosuit current
tr af fic and weather condition s. Fu
nction ofrout e-base dspee dadap tation When
ActiveDis tance AssistDIS TRONI Cis acti ‐
va ted, theve hicle speed willbeadap tedaccor d‐
ing lyto thero uteev ent sahead. Dependingon
th edr ive pr og ram sele cted, theve hicle negoti‐
at es aro uteeve ntaheadin afue l-saving, com ‐
fo rtable ordynam icman ner.When thero ute
eve nthasbe en passe d,theve hicle acceler ates
ag ain tothestor ed speed. Thesetdis tance to
th eve hicle infront, vehicles detected aheadand
spe edrestrictions aheadar eta ke nint oacco unt.
Ro ute-based speedadap tatio ncan beconf ig‐
ur ed inthemultimedia system (/ page16 9). 16
8
Driving and parking

The
follo wing routeeve nts areta ke nint o
acco unt:
R Curves
R T-int ersect ions,ro und about sand tollst atio ns
R Turnsand exits
% 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,ro und ‐
about sand traffic 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 swi tched on,theselect ed
ro uteis co nfirmed andfurther speed adjustment
is activ ated.
Speed adaptatio nis 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,th espeed selectionmade
by thesy stem mayno talw aysbe suit able:
R unclear roads
R road nar row ing
R wetro ad sur faces, snowor ice In
these situation sth edr iver mus tint erve ne
acco rding ly. &
WARNIN GRisk ofacci dent inspi teof
ro ute-based speedadap tatio n
Ro ute-based speedadap tatio ncan malfunc‐
tio nor be temp orarily una vailable inthefo l‐
lo wing situat ions:
R Ifth edr iver does notfo llo wthecalcula‐
te dro ute
R Ifmap datais no tup-t o-dat eor available
R Intheev ent ofroadw orks
R Inbad weather orroad con dition s
R Ifth eaccelera torpeda lis depr essed
R Intheeve ntofelectr onicallydispla yed
speed limitations #
Adaptth espeed tothetraf fic situ ation. Se
tting rout e-base dspee dadjus tment Re
quirement s: Dr
iving andparking16
9

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. Ac
tiv eSte ering Assis t Fu
nction ofActiv eSte ering Assis t
Ac tiveSt eer ing Assis tis onl yav ailable uptoa
speed of130mp h(210 km/h) .The system helps
yo uto stay inthecent erofthelane bymeans of
moder atesteer ing interve ntio ns.Dep endingon
th espeed driven, ActiveSt eer ing Assis tuses the
ve hicles ahead andlane markings asare fer‐
ence.
% Dependi ngon thecount ry,in thelowe r
speed rang eAc tiveSt eer ing Assis tcan use
th esur round ingtraf fic as are fere nce. Ifnec‐
ess ary, Ac tiveSt eer ing Assis tcan then also
pr ov ide assis tance when drivi ng outsid eth e
cent erofthelane, forex am ple toform are s‐
cue lane. If
th ede tection oflane mar kings andvehicles
ahead isim pair ed,ActiveSt eer ing Assis t
switc hestopassiv emode. Thesystem prov ides
no suppor tin this case.
St atus displa yof Activ eSte ering Assis tin
th emu ltifunct iondisp lay
R Ø (gra y): act ivat ed and pass ive
R Ø (green ):act ivat ed and active
R Ø (red): system limits detected
R Ø (whit e,redhands): "handsonthesteer‐
ing wheel" prom pt
% During thetransition from activ eto passiv e
st atus ,th eØ symbol issho wnas
enlar gedand flashin g.On ce thesy stem is
passiv e,theØ symbol issho wnasgray in
th emultifunc tiondispla y.
% Dep endingontheselect edvehicle settin gs,
Ac tiveSt eer ing Assis tma ybe una vailable.
Ste ering and touc hde tection
The driver isrequ ired tokeep their hands onthe
st eer ing wheel atall times andbeable tointer‐
ve ne atanytime tocor rect thecour seofthe
ve hicle andkeep itin lane. Thedriver mus t ex
pect ach ang efrom active to passiv emode or
vice versaat anytim e. If
th esy stem detects that thedr iver has not
st eer edtheve hicle fora consider ableper iod of
time orhas remo vedth eir hands from thesteer‐
ing wheel, display1 appear s.Ifth edr iver still
does notst eer theve hicle, awa rning tone
sou nds inad ditio nto thevisual warning mes‐
sag e.
If th edr iver does notre act tothis wa rning fora
consider ableper iod, anemerg encystop isiniti‐
at ed (/ page17 3). 17
0
Driving and parking

The
warning isno tissued orisstopped whenthe
dr iver giv es con firm atio nto thesy stem:
R The driver steer sth eve hicle.
R The driver presses ast eer ing wheel buttonor
oper ates Touc hCon trol.
If Ac tiveSt eer ing Assis tde tects that asy stem
limit hasbeen reac hed, avisual warning is
issued andawa rning tone sou nds.
Obs erve theno teson driving systems andyour
re sponsibili ty;yo uma yot her wise failto recog‐
nize dangers(/ page 153).
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 ea tly varying ambien t
light orstro ng sha dows onthero ad.
R Ther eis glar e, e.g .fr om oncom ingtraf fic,
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,or several,unc lear lane markingsare
pr esen tfo rone lane, orthemar king sch ang e
qu ickl y, forex am ple, inacon stru ction area
or intersecti ons.
R The lane mar kings arewo rnaw ay,dar kor
co veredup, e.g. bydirtor sno w.
R Ifth edis tance totheve hicle infront istoo
shor tand thus thelane marking scann otbe
de tected.
R The road isnar row and windin g.
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 tcur vesand when turning.
R When crossing intersections.
R Atround about sor tollst atio ns.
R When thetir epr essur eis toolow. &
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
The detection oflane mar kings andobje cts
ma ymal functi onand causeune xpect ed
st eer ing interve ntio ns. #
Steer accor dingtotraf fic condi tions. Ac
tiv atin gAc tiv eSte ering Assis t
Re quirement s:
R ESP®
mus tbe act ivat ed, but notint erve ning . Dr
iving and parking 17
1

R
ActiveDis tance AssistDIS TRONI Cis acti va‐
te d. #
Ifindicat orlam p1 isoff:pr ess butt on2. Fu
nction ofActiv eLan eCha ngeAs sist Ac
tiveLa ne Chang eAssi stsuppor tsthedr iver
when chang inglane sby appl ying steer ing torq ue
if th edr iver oper ates atur nsignal indicat or.
Obser vetheno teson driving systems andyour
re sponsibili ty;yo uma yot her wise failto recog‐
nize dangers(/ page 153).
Assi stanc ewhen chang inglane sis prov ided ifall
th efo llo wing condition sar eme t:
R Youar edr ivin gon afree wa yor road with
mult iplelane sin thedir ect ion oftrav el.
R The neighbor inglane issepar ated byabr o‐
ke nlane ma rking.
R Novehicle isde tected intheadjacen tlane.
R The driven speed isbe tween 50mph
(80 km/ h)and 110mp h(1 80 km/h) . R
ActiveLa ne Chang eAssi stisswitc hedonin
th emultimedia system.
R ActiveSt eer ing Assis tis activ ated and activ e.
If no vehicle isde tected intheadjacen tlane and
a lane chang eis per mitted, thelane chang e
begin saf te rth edr iver has activ ated thetur nsig‐
nal indicat or.This issho wntothedr iver wit ha
gr een arro w ne xt to the± steer ing wheel
symbol. TheLane Change tothe Left messag e,
fo rex am ple, also appear s.IfAc tiveLa ne Chang e
Assi sthas been activated withth etur nsignal
indicat orbut alane chang eis no timm ediat ely
poss ible, agr ay arrow appear sne xt to the±
st eer ing wheel symbol, whichre mains green.
When thelane chang eassis tance star ts,th etur n
signal indicat orisaut omaticall yactiv ated along
wit hth edispla yin themultifunc tiondispla y.
If alane chang eis no tposs ible, thear row is
fa ded outafte ra fe w sec ond sand ane wlane
ch ang emus tbe init iated. Animm ediat elane
ch ang eis on lypo ssible on free wa ysec tion s
wit hout speedlimi ts.
If th esy stem isim pair ed,ActiveLa ne Chang e
Assi stma ybe canceled .The Lane Change Can- celed
messa geappear sin themultifunc tiondis‐
pla y.
In addi tion, awa rning tone maysou nd. &
WARNIN GRisk ofacci dent whench ang ‐
ing lane toan occ upied adjacentlane
Lan eChan geAssi stcanno tal wa ys cle arly
de tect 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 . 17
2
Driving and parking

#
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 e17 0).
Th esy stem 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 showsadef ect.
% 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 esy stem detects that thedr iver has not
st eer edtheve hicle fora consider ableper iod of
time orhas remo vedth eir hands from thesteer‐
ing wheel, display1 appear sin themultifunc ‐
tion displa y.Ifth edr iver still does notst eer the ve
hicle, orgiv es no conf irmation tothesy stem,
a wa rning tone sou nds inad ditio nto thevisual
wa rning mess age.
If th edr iver still does notre spond tothewa rn‐
ing, theBeginn ingEmer gencySt op messag e
appear sin themultifunc tiondispla y.Ifth edr iver
st ill does notre spond, ActiveDis tance Assist
DIS TRONI Creduces thespeed. Thevehicle is
deceler ated instag es toast ands till.
De pen dingon thecount 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 Ifpossible, anemer 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 Dr
iving andparking 17
3

R
Braki ng oracce lerating
R Deacti vating ActiveDis tance Assist
DIS TRONI C Fu
nction ofHill StartAss ist Hill
StartAs sis tholds theve hicle fora shor t
time when pulling away on ahill under thefo l‐
lo wing condition s:
R The transmissio nis in posit ion005Bor005E.
R The elect ric pa rking brak eis released.
This gives youen ough timeto mo veyour foot
fr om thebr ak epedal totheacceler ator pedal
and depr essitbef oreth eve hicle begins toroll
aw ay. &
WARNIN GRisk ofacci dent andinjury
due totheve hicle rolling away
Af tera shor ttime, HillStartAs sis tno longer
holds theve hicle. #
Swif tly mo veyour foot from thebr ak e
pedal totheaccelera torpeda l.Do not lea
vetheve hicle when itis being held
by HillSt artAs sis t. HOLD
functi on HOLD
functi on
The HOL Dfun ction holds theve hicle atast and‐
st ill wit hout requ iring youto depr essthebr ak e
pedal, e.g.while waitin gin traf fic.
The HOLD functionisonly anaid. The responsi‐
bility forth eve hicle safely standi ngstill remains
wit hth edr iver .
Sy stem limit s
The HOL Dfun ction isonl yint end edtoprov ide
assis tance when drivi ng and isno ta su fficien t
mean sof saf eguar dingtheve hicle agains tro lling
aw ay when statio nary.
R The incline mustno tbe great erthan 30%. Ac
tiv atin g/deac tivatin gthe HOL Dfun ction &
WARNIN GRisk ofan acci dent dueto the
HOLD functio nbei ng activ ated whe nyo u
lea vetheve hicle
If th eve hicle isonl ybr ak ed withth eHOLD
func tion itcould, inthefo llo wing situat ions,
ro llaw ay:
R Ifth er eis amalfunct ioninthesy stem or
in thepo we rsupp ly.
R Ifth eHOLD function isdeactiv ated by
depr essing theaccelera torpeda lor brak e
peda l,e.g. byave hicle occupant. #
Alw ayssecur eth eve hicle agains tro ll‐
ing away bef oreyo ulea veit. Re
quirement s:
R The vehicle isstatio nary.
R The driver's door isclosed ortheseat belton
th edr iver's side isfastened.
R The engine isrunning orhasbe en automati‐
cally switc hedoffby theEC Ostar t/ stop
funct ion. 17
4
Driving and parking