2021 MERCEDES-BENZ CLA COUPE Owner's Manual

R
The electr icpar king brak eis released.
R ActiveDis tance AssistDIS TRONI Cis de acti ‐
va ted.
R Vehicl eswith automatic transmiss ion:
The transmis sionisin posi tion 005B,005Eor005C
Ac tiv atin gthe HOL Dfun ction #
Dep ress thebr ak epedal, andafte ra shor t
time quickl ydepr essfurther until the00D9
displa yappear sin themultifunc tiondispla y. #
Release thebr ak epedal.
Deactiv atingtheHOLD function #
Depr esstheacceler ator pedal topull away.
or #
Depr essthebr ak epedal untilthe00D9 dis‐
pla ydisappear sfrom themultifunc tiondis‐
pla y.
The HOLD functionisdeactiv ated inthefo llo w‐
ing situat ions:
R ActiveDis tance AssistDIS TRONI Cis acti va‐
te d.
R Vehicl eswith automatic transmiss ion:
The transmis sionisswi tched toposition 005D.R
The vehicle issecur edwithth eelectr icpar k‐
ing brak e.
In thefo llo wing situat ions,th eve hicle isheld by
tr ans missi on positio n005D and /or bytheelectr ic
par king brak e:
R The seat beltisunf astened andthedr iver's
door isopened.
R The vehicle isswitc hedoff.
R Ther eis amalfunction inthesy stem orthe
po we rsupp lyis insuf ficie nt. 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 Vehicl eswith automatic transmiss ion:
The transmis sionisin posi tion 005Bor005E.
R The electricpar king brak eis released.
This gives youen ough timeto mo veyour foot
fr om thebr ak epedal totheaccelera torpeda l
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. St
art-of fassi st Fu
nction ofthest ar t-of fassi st
The star t-of fassis tenab lesoptim alvehicle
acceler ationfrom ast ands till.Fo rth is, asuit ably
high- grip road sur face isrequ ired, thetir es and
ve hicle mustalso beingood condition.
Do notactiv ateth est ar t-of fassis ton public
ro ads.
Be sureto obser vethesaf etyno tesand informa‐
tion onESP ®
(/ page15 6). Dr
iving and parking 15
9

Ac
tiv atin gthe star t-of fassi st &
WARNIN GRisk ofskid ding and having
an acci dent from whe elsspi nning
Whe nyo uuse star t-of fassis t,ind ividual
wheels couldspin andyouco uld lose contro l
of theve hicle.
If ESP ®
is deactiv ated, ther eis arisk ofskid‐
ding andaccident! #
Mak esur eth at no per son sor obs tacles
ar ein theclose vicinit yof your vehicle. #
Deactiv atingESP®
(/ page15 7). #
Movethesteer ing wheel tothest ra ight -
ahead position. #
Depr essthebr ak epedal firm lywith your left
fo ot and keep itdepr essed. #
Engage the005B drive position (/page14 1). #
Select thespor tiestav ailable drive pr ogram
B orC(/ page13 7). #
Rapidl ydepr esstheacceler ator pedal fully. #
Take your foot offth ebr ak e, but keep the
acc elerat orpedal depresse d.
The vehicle pullsaway atmax imum acceler a‐
tio n. #
Swit chon ESP ®
once theaccelera tionproce‐
dur eis com plete.ESP ®
wi llot her wise notbe
able tostabiliz eth eve hicle ifth eve hicle
st ar ts to skid orawheel star ts to spin.
Cancel ingthest ar t-of fassi st #
Remo veyour foot from theacceler ator pedal. #
React ivat eth eES P®
. AT
TENTI ONASSIST Fu
nction ofATTENTI ONASSIST
AT TENTION ASSISTassis tsyouon long,mon oto‐
nous journeys,e.g. onhighw aysand trunk roads.
If AT TENTION ASSISTde tects indicatorsof fati‐
gu eor incr easing laps es inconce ntration onthe
par tof thedr iver ,it sugg ests taking abr ea k.
AT TENTION ASSISTis onl yan aid. Itcann ot
alw aysde tect fatig ue orlaps es inconce ntration
in tim e.The system isno ta subs titutefo ra we ll- re
sted and attent ive dr iver .On long journeys,
ta ke regular break sin good timethat allo wfor
adeq uatere cup erati on.
Yo ucan choose between twose ttings:
R Standar d:nor mal system sensit ivity.
R Sensitiv e:higher system sensit ivity.The
dr iver iswa rned ear lier and theatt ent ion
le ve lde tected byATTENTION ASSISTis adap‐
te daccor dingly.
If dr ow siness orincr easing lapsesinconcen tra‐
tion arede tected, theATTE NTION ASSIS T:Take
a Break !wa rning appear sin theIns trument Dis‐
pla y.Yo ucan ackn ow ledg eth emessag eand
tak eabr eak wher eneces sary.Ifyo udo notta ke
a br eak and ATTENTION ASSISTcont inues to
de tect incr easing lapse sin concentr ation, you
will bewarned again afte ra minimu mof
15 minut es. 16
0
Driving and parking

Yo
ucan have thefo llo wing status informat ionfor
AT TENTION ASSISTdispla yedin theassis tance
menu oftheon- boar dcom puter:
R The lengt hof thejour neysince thelas t
br eak .
R The attent ion leve lde term ined byATTENTION
ASS IST:
- The fuller thecir cle, thehigher theatt en‐
tion alleve lde term ined
- Asyour att entio nwa nes, thecir cle inthe
cent erofthedispla ybecomes smaller If
AT TENTION ASSISTis unable tocal cul ateth e
att ent ion leve land cannotissue awa rning, the
Sys tem Suspend edmes sage appear s.
If awa rning isgiv en intheIns trument Display,
th emultimedia system offers to sear chfora re st
ar ea. Youcan selectare st area and star tna vig a‐
tio nto this rest area. This function can beact iva‐
te dand deactiv ated inthemultimedia system.
If AT TENTION ASSISTis deactiv ated, theÛ
symbol appearsin theassis tance grap hicin the
Ins trument Displaywhen theengine isrunning .
AT TENTION ASSISTis activ ated aut omaticall y
when theengine isre-sta rted. The lastselect ed
sensit ivityleve lre mains stor ed.
Sy stem limit s
AT TENTION ASSISTis activ ein the37 mph
(60 km/ h)to 124mp h(2 00 km/h) speedra ng e.
Pa rticular lyin thefo llo wing situat ions,AT TEN‐
TION ASSISTonl yfunct ionsinare strict ed man‐
ner and warnings maybe dela yedor notocc ur:
R Ifyo uha ve been driving forless than appr ox‐
imat ely30 min utes. R
Ifth ero ad con dition ispoor (unevenro ad
sur face orpotholes).
R Ifth er eis ast ro ng side wind.
R Ifyo uadop ta spor tydrivin gst yle (high cor‐
ner ing speeds orhigh ratesof acceler ation).
R Ifth eSt eer ing Assis tfunc tion ofActiveDis ‐
ta nce AssistDIS TRONI Cis acti ve.
R Ifth etime hasbeen setincor rectly .
R Ifyo uch ang elane sand vary your spee dfre‐
qu ent lyIn activ edr iving situation s.
The ATTENTION ASSISTdr ows ines sor aler tness
assess mentis rese tand restar tedwhen continu‐
ing thejour neyin thefo llo wing situat ions:
R Ifyo uswit choffth eengine.
R Ifyo uunf astenyo ur seat beltandopen the
dr iver's door (e.g.tochang edr iver sor take a
br eak). Dr
iving andparking 16
1

Se
tting ATTENTI ONASSIST
Multimedia system:
4 © 5
Set ting s5
Assist ance
5 Atten tion Assist
Se tting options #
Select Standard, SensitiveorOff.
Sugg esting are st area #
Select SuggestRes tArea. #
Activateor deacti vate thefunc tion.
If AT TENTION ASSISTde tects fatig ue or
incr easing lack ofatt ention ,it sugg ests a
re st area inthevicinit y. #
Select thesugg estedre st area.
Yo uar eguided totheselect edrest area. Spe
edcont rolcr uise contr ol Fu
nction ofcruise contr ol
Cr uise controlre gulat esthespeed totheva lue
selec tedby thedr iver .
If yo uacc elerat eto ove rtak e, forex am ple, the
st or ed speed isno tdele ted. Ifyo ure mo veyour fo
ot from theacceler ator pedal afte rove rtakin g,
cr uise control will resume speed regulation back
to thestor ed speed.
Yo ucan stor ean yspeed above15 mp h
(20 km/ h)up tothemaximum designspeed.
Obser vetheno teson driving systems andyour
re sponsibili ty;yo uma yot her wise failto recog‐
nize dangers(/ page 153).
Me rcedes‑ AMGvehicl es:Cruis econtr olis
av ailable uptoamax imum speedof 155mp h
(250 km/h).
Displa yson themu ltifunct iondisp lay
R h (gray):cr uise control isselect edbut
no tye tacti vated.
R h (green): cruise control isactiv e.
A stor ed speed appear salong withth eh dis‐
pla y.
% 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 . 16
2
Driving and parking

Oper
ating cruise contr 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 vehicle speed isat leas t15 mp h
(20 km/ h).
R The transmis sionisin positio n005B. Oper
atingcr uise contr ol #
Press thero ck er switc hesonthesteer ing
wheel control panel upordown tothe
desir edposition .
Ac tiv atin gcr uis eco ntr ol #
Select M with theright rock er switc h.
Ac tiv atin gcr uis eco ntr ol #
Press rock er switc h1 upM ordown
N.
The current spe edisstor ed and maint ained
by theve hicle.
or #
Select Jwithth elef tro ck er switc h.
The lastst or ed speed iscalled upand main‐
ta ined bytheve hicle.
If th elas tst or ed speed hasprev iousl ybeen
dele ted, thecur rent vehicle speed isstor ed.
% When youswit choffth eve hicle, thelas t
speed stor ed isdele ted.
Incr easing ordecr easing thesto redspe ed #
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.
Ad opting ade tected spe ed Dr
ivin gand parking16
3

#
Activatecr uise contr ol. #
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 speedshownby
th etraf fic sig nis stor ed and theve hicle
maint ainsordoes notexc eed this speed.
Deactiv ating cruise contr ol #
Selec tO withth elef tro ck er switc h.
Switc hingoffcr uise contr ol #
Select Nwithth eright rock er switc h.
% Ifyo ubr ak e, deac tivateES P®
or ifES P®
int erve nes, cruise contr olisde acti vated. Ac
tiv eDi stance AssistDI ST RO NIC Fu
nction ofActiv eDi stance Assist
DI ST RO NIC
Ac tiveDis tance AssistDIS TRONI Cma intains the
se tspeed onfree-f lowing roads. Ifve hicles in
fr ont arede tected, these tdis tance ismai n‐
ta ined, ifnec essar y,unt ilth eve hicle comes toa halt.
Thevehicle acceler ates orbrak es depend‐
ing onthedis tance totheve hicle infront and
th ese tspeed. Thespeed anddistance tothe
ve hicle infront arese tand save dusing the
st eer ing wheel.
Av ailable speedra ng e:
R Vehicl eswithout Drivin gAss istanc ePa ck‐
ag e:15 mp h(20 km/h) -12 0mp h
(200 km/h)
R Vehicl eswith Drivin gAss istanc ePa ck‐
ag e:15 mp h(2 0km/h) -13 0mp h
(2 10 km/h)
Ot her featur esofActiveDis tance Assist
DIS TRONI C:
R Adjus tsthedr iving style depending onthe
select eddrive pr ogr am (fuel-sa ving,comfort‐
able ordynamic)
R Initiat esacceler ationtothestor 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: -
React sto statio naryve hicles detected in
urb anspe edrang es (exc ep tbicy cles and
mo torcyc les)
- Take sone-sided overtakin gre strictions
int oacco untonhighwaysor on multi-lane
ro ads withsepar atero adw ays(countr y-
dependen t)
Ve hicl eswith Drivin gAss istanc ePa ckag e
and Parking Packag e:ifth eve hicle hasbeen
br ak ed toast ands tillon mult i-lane,separat e
ro adw aysby ActiveDis tance AssistDIS TRONI C,
it can automatical lyfollo wtheve hicle infront
dr iving offag ain within 30seconds. Ifacr itical
situation isde tected whe ndr ivi ng off,avis ual
and acoustic warning isgiv en indic atingth at the
dr iver mus tno wtake contr olof theve hicle. The
ve hicle isno tacceler ated anyfur ther.
Obser vetheno teson driving systems andyour
re sponsibili ty;yo uma yot her wise failto recog‐
nize dangers(/ page 153). 16
4
Driving and parking

Ac
tiv eDi stance AssistDI ST RO NIC displa ysin
th eins trum ent clus ter Assi
stanc edispla y
1 Route-based speedadap tatio n:typ eof route
eve nt(/ page 169)
2 Vehicle infront
3 Distance indicator
4 Setspe cified dist anc e
5 ActiveLa ne Chang eAssi stlane chang edis‐
pla y Pe
rm anen tst atus displa yof Activ eDi stance
Ass istDI ST RO NIC
R k (white ):Ac tiveDis tance Assist
DIS TRONI Csel ect ed,sp eci fied distance set
R k (white vehicle, green speedome ter):
Ac tiveDis tance AssistDIS TRONI Cacti ve,
specif ieddistance setand vehicle detected
R k (green) :Ac tiveDis tance Assist
DIS TRONI Cacti ve,specif ieddistance setand
ve hicle detected
R r: Route-based speedadap tatio nacti ve
( / pag e16 9).
Th estor ed speed issho wnalong withth eper‐
manen tst atus displa yand highlight edon the
speedome ter.When ActiveDis tance Assist
DIS TRONI Cis pa ssi ve,th espeed isgray ed out.
% 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.
Disp layon thespeed ometer
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, thesegmen tsin
th espeedome terlig ht up. Deactiv ationofActive
Dis tance AssistDIS TRONI C,as wellas altera‐
tion sto thespeed duetomanua lor automatic
adop tionofthemaximum permissible speed,are
displa yedin thecon trol feedbac kof themulti‐
func tion displa yon asing leline.
Sy stem limit s
The system maybe impair edorma yno tfunc tion
in thefo llo wing situat ions,fo rex am ple:
R Insnow ,ra in, fog, hea vyspr ay,if th er eis
gl ar e, indir ect sunlight oringrea tly varying
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. Dr
iving andparking16
5

R
Inpar king garage 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
tr act ion and theve hicle could then skid.
Do notuse ActiveDis tan ceAssi stDIS 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
consider ablyfa ster or slo werth an the
cur rently driven spe ed. R
IfAc tiveDis tance AssistDIS TRONI Cno
lo ng er detects ave hicle infront ordoes
no tre act toreleva nt objects. #
Alw ayscar efully observethetraf fic con‐
di tions andbeready tobrak eat all
times. #
Take intoacc ount thetra ffic situat ion
bef orecallin gup thestor ed speed. &
WARNIN GRisk ofacci dent dueto insuf ‐
fi cie ntdece lera tio nby ActiveDis tance
Assi stDIS TRONI C
Ac tiveDis tance AssistDIS TRONI Cbrak es
yo ur vehicle withup to50% ofthepossible
deceler ation.Ifth is decele ratio nis no tsu ffi‐
cien t,Ac tiveDis tance AssistDIS TRONI C
al er ts youwit havis ual and acoustic warning. #
Adjus tyo ur spee dand main tain asuit a‐
ble distance from theve hicle infront. #
Brak eth eve hicle yourself and/or take
ev asiv eact ion. &
WARNIN GRisk ofacci dent ifde tection
functi onofActiveDis tance Assist
DIS TRONI Cis impai red
Ac tiveDis tance AssistDIS TRONI Cdo es not
re act orhas alimit edreact ion:
R when drivin gon adif fere nt lane orwh en
ch ang inglane s
R topedes trians, animals, bicycles orsta‐
tio nar yve hicles, orune xpect edobs tacle s
R tocom plex traf fic condi tions
R tooncom ingvehicles andcrossing traf fic
As are sult, ActiveDis tance Assist
DIS TRONI Cma ynei ther giv ewa rnings nor
int erve ne insuch situations. #
Alw aysobser vethetra ffic con dition s
car efull yand react accordin gly. Oper
ating Activ eDi stance AssistDI ST RO NIC
Re quirement s:
R The elect ric pa rking brak eis released.
R ESP®
is act ivat ed and isno tint erve ning . 16
6
Driving and parking