2021 MERCEDES-BENZ CLA COUPE Owner's Manual

Ac
tiv eBr ak eAs sist Fu
nction ofActiv eBr ak eAs sist
Ac tiveBr ak eAssi stconsi stsof thefo llo wing
func tions:
R Distance warning func tion
R Autonomo usbraki ng func tion
R Situ ation-d epend ent braki ng assist anc e
R Vehicl eswith Drivin gAss istanc ePa ck‐
ag e:Evasi ve Steer ing Assis tand corner ing
func tion
Ac tiveBr ak eAssi stcan helpyo uto minimize the
ri sk ofacollision withve hicles, cyclis tsor
pedes trians ortoreduce theef fects ofsuch a
coll ision.
If Ac tiveBr ak eAssi sthas detected arisk ofcolli‐
sion, awa rning tone sou nds and theL dis‐
ta nce warning lam plight sup intheins trument
clus ter.
Ve hicl eswith PRE-S AFE®
:depe nding onthe
cou ntry,an addit ionalhap ticwarning occursin
th efo rm ofslight, repeat edtensi oni ng ofthe
seat belt. If
yo udo notre act tothewa rning, autono mous
br akin gcan beinit iated incritic alsituat ions.
In espec iallycritic alsituat ions,Ac tiveBr ak e
Assi stcan initia te aut onomo usbrakin gdir ect ly.
In this case, thewa rning lam pand warning tone
occu rsi mu ltane ously with thebr aking applica‐
tion .
If yo uappl yth ebr ak eyo urself inacr itical situa‐
tio nor appl yth ebr ak edur ing autonomous brak‐
ing, situation -dependen tbr aking assistance
occu rs.The brak epr ess ureincr eases uptomax‐
imum full-sto pbr aking ifnec essar y.
Obser vetheno teson driving systems andyour
re sponsibili ty;yo uma yot her wise failto recog‐
nize dangers(/ page 153). If
aut onom ous brak ing or situa tion-de pende nt
br aki ng assist anc ehas occurred, displa y1
appear sin themultifunc tiondispla yand then
aut omaticall ygoes outafte ra shor ttime.
If th eaut onomous braking function orthesitua‐
tion -dependen tbr aking assistance istrig ge red,
additional preve ntiv emea suresfo roccupa nt
pr otect ion (PRE-S AFE®
)ma yalso beinitiat ed. Dr
iving andparking 17
5

&
WARNIN GRisk ofan acci dent caused by
limit eddetection perform anc eof Active
Br ak eAssi st
Ac tiveBr ak eAssi stcanno tal wa ys cle arly
ident ifyobje ctsand complextraf fic situ a‐
tions . #
Alw ayspa ycar eful attention tothetra f‐
fi c situ ation; donotre ly on ActiveBr ak e
Assi stalon e.Ac tiveBr ak eAssi stisonl y
an aid. Thedriver isresponsible for
maint ainingasuf ficie ntly safedist anc e
to theve hicle infront, vehicle speed
and forbr aking ingood time. #
Beprepa redto brak eor sw erve ifnec ‐
essar y. Als
oob ser vethesy stem limits ofActiveBr ak e
Assi st. The
indiv idua lsub func tions areav ailab lein
va rious speed rang es:
The distance warning func tion canissue awa rn‐
ing inthefo llo wing situat ions:
R From appr oximat ely4 mp h(7 km/h), ifyo ur
ve hicle iscritically closetoave hicle, cyclis t
or pedes trian, youwill hear anintermit tent
wa rning tone and theL distance warning
lam plight sup intheins trument cluster.
Ve hicl eswith PRE-S AFE®
:depe nding on
th ecount ry,an addition alhap ticwarning
occ ursin thefo rm ofslight, repeat edten‐
si oni ng oftheseat belt.
Br ak eimmediat elyortake evasiv eact ion,pr ov i‐
ded itis saf eto do soand thetraf fic situ ation
al lo ws this. Dis
tance warning funct ion(vehicles without
Dr iving Assistance Packag e)
The distance warning func tion canaidyouin the
fo llo wing situat ionswithan intermit tent wa rning
to ne and awa rning lam p:
R atspeeds uptoappr oximat ely15 5mp h
(250 km/h)when approaching vehicles
ahead
R atspeeds uptoappr oximat ely50 mph
(80 km/ h)when approaching statio naryve hi‐
cles, moving pedes trians andcyclis tsahead
R atspeeds uptoappr oximat ely37 mph
(60 km/ h)when approaching crossin g
cy clis ts
Dis tance warning funct ion(vehicles with
Dr iving Assistance Packag e)
The distance warning func tion canaidyouin the
fo llo wing situat ionswithan intermit tent wa rning
to ne and awa rning lam p:
R atspeeds uptoappr oximat ely15 5mp h
(250 km/h)when approaching vehicles
ahead 17
6
Driving and parking

R
atspee dsup toappr oximat ely62 mph
(1 00 km/ h)when approaching statio nary
ve hicles
R atspeeds uptoappr oximat ely50 mph
(80 km/ h)when approaching moving pedes‐
tr ians andcyclis tsahead
R atspeeds uptoappr oximat ely43 mph
(70 km/ h)when approaching statio nary
pedes trians ,cr oss ing vehicles andstatio nary
and cross ing cyclis ts
Au tonomous braking function (vehicles with‐
out Driving Assistance Packag e)
If th eve hicle istrave ling atspeeds above
appr oximat ely4 mp h(7 km/h), theaut onomous
br aking function mayint erve ne inthefo llo wing
situat ions:
R atspeeds uptoappr oximat ely12 4mp h
(200 km/h)when approaching vehicles
ahead
R atspeeds uptoappr oximat ely50 mph
(80 km/ h)when approaching cyclis tsahead R
atspeeds uptoappr oximat ely37 mph
(60 km/ h)when approaching moving pedes‐
tr ians andcrossin gcy clis ts
R atspeeds uptoappr oximat ely31 mp h
(50 km/ h)when approaching statio naryve hi‐
cles
Au tonomous braking function (vehicles with
Dr iving Assistance Packag e)
If th eve hicle istrav eling atspeeds above
appr oximat ely4 mp h(7 km/h), theaut onomous
br aking function mayint erve ne inthefo llo wing
situat ions:
R atspeeds uptoappr oximat ely15 5mp h
(250 km/h)when approaching vehicles
ahead
R atspeeds uptoappr oximat ely62 mph
(1 00 km/ h)when approaching statio nary
ve hicles
R atspeeds uptoappr oximat ely50 mph
(80 km/ h)when approaching cyclis tsahead
R atspeeds uptoappr oximat ely43 mph
(70 km/ h)when approaching statio naryand mo
vingpedes trians ,cr oss ing vehicles and
st atio naryand cross ing cyclis ts
Sit uation -depen dent brak ing assistance
(v ehicles withou tDr iving Assistance Pack‐
ag e)
The situa tion-dep endentbraking assistanc ecan
int erve ne from aspe edofapprox imat ely4 mp h
(7 km/ h)inthefo llo wing situat ions:
R atspeeds uptoappr oximat ely15 5mp h
(250 km/h)when approaching vehicles
ahead
R atspeeds uptoappr oximat ely50 mph
(80 km/ h)when approaching statio naryve hi‐
cles andvehicles ahead
R atspeeds uptoappr oximat ely37 mph
(60 km/ h)when approaching moving pedes‐
tr ians andcrossin gcy clis ts Dr
iving andparking 17
7

Situat
ion-dependent braking assistance
(v ehicles withDriving Assistance Packag e)
The situa tion-dep endentbraking assistanc ecan
int erve ne from aspe edofapprox imat ely4 mp h
(7 km/ h)inthefo llo wing situat ions:
R atspeeds uptoappr oximat ely15 5mp h
(250 km/h)when approaching vehicles
ahead
R atspeeds uptoappr oximat ely62 mph
(1 00 km/ h)when approaching statio nary
ve hicles
R atspeeds uptoappr oximat ely50 mph
(80 km/ h)when approaching cyclis tsahead
R atspeeds uptoappr oximat ely37 mph
(60 km/ h)when approaching statio naryand
mo vingpedes trians ,cr oss ing vehicles and
st atio naryand cross ing cyclis ts
Cancel ingabr ak eap plica tionofActiv eBr ak e
As sist
Yo ucan cancelabr ak eapplic ationof Active
Br ak eAssi stat anytim eby :
R shar plydepr essing theacceler ator pedal or
wit hkic kdo wn R
releasing thebr ak epedal
Ac tiveBr ak eAssi stma ycancel thebr ak eappli‐
cation whenoneofthefo llo wing condition sis
fulf illed:
R Youman euvertoavo idtheobs tacle .
R The reisno long erarisk ofcollision.
R Anobs tacle isno long erdetected infront of
yo ur vehicle.
Ev asiv eSt eer ing Assis t(onl yve hicl eswith
Dr ivin gAss istanc ePa ckag e)
Ev asi ve Steer ing Assis thas thefo llo wing charac‐
te rist ics:
R The ability todetect statio naryor mo ving
pedes trians .
R Assis tance thro ugh powe r-assis tedsteer ing if
it de tects asw erving mane uver.
R Activati on byan abr uptst eer ing movement
dur ing asw erving maneu ver.
R Assi stanc edur ing swervin gand stra ight enin g
of theve hicle. R
React ion from aspee dof appr oximat ely
12 mp h(20 km/h) uptoaspee dof appr ox‐
imat ely43 mph(70 km/h).
Yo ucan preve nttheassis tance atanytime by
act ivel yst eer ing.
Cor nering function (onlyve hicl eswith Driv‐
ing Assistanc ePa ckag e)
If adang erofcoll ision from anoncoming vehicle
is de tected whe ntur ning across anoncomi ng
la ne, autonomo usbraki ng can beinitia tedat
speeds below9mp h(1 5 km/h) beforeyo uha ve
lef tth elane inwhic hyo uar edr ivin g. &
WARNIN GRisk ofacci dent despite Eva‐
si ve Steer ing Assis t
Ev asiv eSt eer ing Assis tcann otalw aysre cog‐
nize objectsorcom plex traf fic situ ations
cle arly.
Mor eover,th esteer ing suppor tpr ov ided by
Ev asive St eer ing Assis tis no tsuf ficie ntto
av oid acollision. 17
8
Driving and parking

#
Alw ayspa ycar eful attention tothetra f‐
fi c situ ation; donotre ly on Evasiv e
St eer ing Assis talone. #
Beprepar edtobrak eor sw erve ifnec ‐
essar y. #
End thesuppor tby act ivel yst eer ing in
non -critical situation s. #
Drive at an appr opriatespeed ifth er e
ar epedes trians close tothepat hof
yo ur vehicle. 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.
If Ac tiveBr ak eAssi stisim pair edorinope rativ e
du eto amalf unction,the00C7 warning lam p
appear sin themultifunc tiondispla y.
The system maybe impair edorma yno tfunc ‐
tion ,par ticular lyin 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 ayed.
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 object s.
R Ifth edr iver's seat beltisno tfa stened.
R Oncurveswit hatight 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 thete ac h-in proc‐
ess.
Se tting Activ eBr ak eAs sist
Re quirement s:
R The ignit ionisswitc hedon.
Multime diasystem:
4 © 5
Set ting s5
Assist ance
5 Act ive Brak eAssist #
Select thedesir edsetting.
The setting isretained when thedr ive sy stem
is ne xt star ted.
Deactiv atingActiv eBr ak eAs sist
% Itis recomme ndedthat youalw ayslea ve
Ac tiveBr ak eAssi stact ivat ed. #
Select Off.
The distance warning func tion,th eaut ono‐
mous braking function andtheEv asiv eSt eer‐
ing Assis tar edeactiv ated.
When theve hicle isne xt star ted, themiddle
se tting isaut omatic allyselect ed. Dr
iving andparking 17
9

%
IfAc tiveBr ak eAssi stisdeact ivat ed, the
00D4 symbol appearsinthest atus barofthe
multifu nctiondisplay. Tr
af fic Sign Assis t Fu
nction ofTraf fic Sign Assis t
Tr af fic Sign Assistdetects traf fic sig ns with the
multifu nctioncamera(/ page15 4). Itas sist s
yo uby displa yingdetected spe edlimits and
ove rtakin gre strictions intheins trument cluster.
Obser vetheno teson driving systems andyour
re sponsibili ty;yo uma yot her wise failto recog‐
nize dangers(/ page 153).
Since Traf fic Sign Assistalso uses thedat a
st or ed inthena vig ation system, itcan updat e
th edispla yin thefo llo wing situat ionswithout
de tecting traf fic sig ns.
The came raalso detects traf fic sig ns with a
re striction indicated byan addit ionalsign (e.g.
when wet).The seareonly disp laye difare stric‐
tion appliesor ifth esy stem cann otcle arly de ter‐
mine whether there striction applies. Wa
rning when thema xim um permis sible
speed isexceeded
The system can warnyouif yo uunin tentio nally
ex ceed themaximum permissible speed.Todo
th is, youcan spec ifyinthemultimedia system
by howmuc hth emaximum permissible speed
can beexceed edbef oreawa rning isissued. You
can specify whether thewa rning isto be justa
visual warning oran acous ticone aswell. Displa
yin theIns trum ent Displa y In
stru ment Displa yin theWi descr eenCockpit
1 Maximum permissible speed
2 Maximum permissible speedwhenther eis a
re striction
3 Addition alsign withre striction
% Ve
hicl eswith ast andar dIns trument Dis‐
pla y:a+ symbo lne xt to atraf fic sig nin the
Ins trument Displayindicat esthat addit ional
traf fic sig ns have been detected. Thesecan
al so be displ ayed inthemedia displayand
op tion ally intheHead-up Display. 18
0
Driving and parking

If
Traf fic Sign Assistcanno tde term ine themaxi‐
mum permissible speed(e.g.duetomissi ng
signs), thefo llo wing displa yappear sin the
Ins trument Display: This
isdispl ayed con tinuousl yif th eve hicle isin
a countr ywher eTr af fic Sign Assistisno tsup‐
por ted. Traf fic Sign Assistisno tav ailable inall
coun tries.
% Alsoobse rveth einf ormation ondispla ymes‐
sag esinTraf fic Sign Assist(/ pag e334 ).
Sy stem limit s
The system maybe impair edorma yno tfunc tion
par ticular lyin thefo llo wing situat ions:
R Ifth er eis poor visibility ,e.g. due toinsuf fi‐
cie ntillu mina tionofthero ad, ifth er ear e
highl yva riable shade condition sor inrain,
sno w,fogor hea vyspr ay.
R Ifth er eis glar e, e.g .fr om oncom ingtraf fic,
di re ct sunli ght orreflect ions. R
Ifth ewindshield inthear ea ofthemultifunc ‐
tion camer ais dir ty,or ifth ecamer ais fog‐
ge dup, damag edorcovered.
R Ifth etra ffic sign sar ehar dto detect, e.g. due
to dir tor sno w,because they areco vered, or
due toinsuf ficie ntlighti ng.
R Ifth einf ormation inthena vig ation system's
digit almap isincor rect or out-of-da te.
R Ifth esigns areambiguous, e.g.traffic sign s
on con stru ction sites orinad jacent lanes.
R Ifyo utur nshar plywhen passingtraf fic sig ns
ou tsid eth ecamer a'sfield ofvision.
Se tting Traf fic Sign Assis t
Re quirement s:
R Onl yve hicl eswith Drivin gAss istanc e
Pa ckag e:
Ac tiveDis tance AssistDIS TRONI Cand ECO
Assi stmus tbe activ ated forth eaut omatic
adop tionofspeed limits. Multimedia
system:
4 © 5
Set ting s5
Assist ance
5 Traffic SignAssist
Ac tiv atin gor deac tivatin gaut omati cadop ‐
tio nof spe edlimits (onlyve hicl eswith Driv‐
ing Assistanc ePa ckag e) #
Select LimitAdoptio n. #
Activateor deacti vate thefunc tion.
The speed limitsdetected byTraf fic Sign
Assi stareaut omat icallyadop tedby Active
Dis tance AssistDIS TRONI C.
% Ifone ofthefo llo wing systems isactiv ated,
th ede tected spe edcan bemanu ally ad op ted
as thespeed limit:
R ActiveDis tance AssistDIS TRONI C
R Cruise contr ol
R Variable limiter
Fu rther information (/page16 6).
Di spla ying detected traf fic signs inthe
me diadispla y #
Select DisplayinCentra lDispl ay. Dr
iving andparking 18
1

#
Activateor deacti vate thefunc tion.
Se tting thety pe ofwa rning #
Selec tVisual &Audible ,Visual orOff .
Se tting thewa rning threshold
This value determ ines thespeed atwhic ha
wa rning isissued whenexceeded. #
Select Warning Threshold. #
Setth edesir edspeed. Ov
ervie wof thetraf fic ligh tda ta ser vice &
WARNIN GRisk ofan acci dent orinju ry
due todis traction, incorrect ormissing
dat a
The traf fic light informati ondispl ayisan aid
and cannotre place theobser vatio nof the
act ual drivin gsit uatio n. #
Keep theactual traffic situat ioncon‐
st ant lyin view when approachingatraf‐
fi c light and whench ang inglane s. #
Avoid prolong edviewing oftheIns tru‐
ment Displa yand Head-up Display. The
Instrument Displayand Head-up Display(if
av ailable) showthetra ffic light andremaini ng
time 1until thene xt green phase asacount ‐
do wn. Ex
am ple repr esent ation intheIns trument Display
The displa yis hidden aboutfive seconds before
th etraf fic lights chang eto gree n. %
Thedisp lay also goes outinthefo llo wing
cases :
R When turnin gof fbef oreth eint ersect ion
int oacr oss orside stre et
R When turning beforeth eint ersect ion
% The direct ion arrow sar edispla yeddepend‐
ing onthefo llo wing functions:
R Atur nsign alisset
R Alane isrecomme ndedduring acti ve
ro uteguidan ce
If ne ither function isact ive, there maini ng
time untilthene xt green phase forth elane
st ra ight ahead isdispla yed.
% Use ofthetraf fic light informati onser vice
re qu ires there gular transmission ofvehicle
positions anddriving directions to
Mer cedes-Ben z.The datais immediat ely
anon ymized byMer cedes-Ben zand forw ar‐
ded tothepr ov ider ofthetra ffic light infor‐
matio nser vice .The vehicle positions and
dr iving directions aredele tedaf te ra ve ry
shor ttime (afew sec ond s)and areno tper‐
man entlysave d. 18
2
Driving and parking