sensor MERCEDES-BENZ C-CLASS COUPE 2021 Owner's Guide

R
Ifth ewindshield inthear ea ofthemultifunc ‐
tion camer ais dir ty,or ifth ecamer ais fog‐
ge dup, damag edorcovered.
R Ifth etraf fic sig ns areha rd todetect, 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 Foraut omat icado ption ofspeed limits:
Ac tiveDis tance AssistDIS TRONI Cis acti va‐
te d. Multimedia
system:
4 Vehicle 5
k Assist ance
5 Traffic SignAssist
Ac tiv atin gor deac tivatin gaut omati cadop ‐
tio nof spe edlimits #
Select LimitAdo ption. #
Activate0073 ordeacti vate 0053 thefunc tion.
The speed limitsdetected byTraf fic Sign
Assi stareaut omat icallyadop tedby Active
Dis tance AssistDIS TRONI C.
Di spl aying detected traf fic signs inthe
med iadis pla y #
Select Display inCOMA ND. #
Activate0073 ordeacti vate 0053 thefunc tion.
% 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
Fu rther information (/page16 7). Ad
jus tingthe type ofwa rning #
Selec tVisual &Audible ,Visual orNon e.
Ad jus tingthe warning threshold
This value determ ines thespeed atwhic ha
wa rning isissued whenexceeded. #
Select Warning Threshold. #
Setth edesir edspeed. Blind
SpotAssis tand Activ eBli nd Spo t
As sist wit hex itwa rning Fu
nction ofBlind SpotAssis tand Activ e
Bli nd Spo tAs sist wit hex itwa rning
Blin dSpo tAss istand ActiveBli nd Spo tAssi st
use twolat eral, rear-facin gra dar sensor sto
monit orthear ea up to130ft (40 m)behind and
10 ft(3 m) next to your vehicle.
If ave hicle isde tected atspe eds aboveappr ox‐
imat ely8 mp h(12 km/h) andthis vehicle subse‐
qu ent lyent ersth emonit oring rang edire ctly next
to your vehicle, thewa rning lam pin theoutside
mir rorlig hts upred. Dr
iving andparking 18
1

Sy
stem limit s
Blin dSpo tAs sis tand ActiveBli nd Spo tAssi st
ma ybe limi tedin thefo llo wing situat ions,in par‐
tic ular :
R Ifth er eis dir ton thesensor sor thesensor s
ar eobscur ed
R Inpoor visibility ,e.g. due tofog, hea vyrain or
sno w
R Ifth er ear enar row vehicles, e.g.bicycles or
mo torbik es
R Ifth ero ad has very wide ornar row lanes
R Ifve hicles areno tdr iving inthemiddle of
th eir lane
Wa rnings maybe issued inerro rwhen driving
close tocrash barrier sor similar continuous lane
bor ders.Alw aysmak esur eth at ther eis suf fi‐
cie ntdist anc eto theside forot her traf fic or
obs tacle s.
Wa rnings maybe interru pte dwhen driving along‐
side long vehicles, forex am ple truc ks,fo ra pr o‐
long edtime.
Blind SpotAssis tis no toper ationa lwhen reve rse
ge ar iseng aged. The
exitwa rning maybe limit edinthefo llo wing
situat ions:
R When thesensor sar eco veredby adjac ent
ve hicles innar row par kingspac es
R When people approachth eve hicle
R Intheeve ntofstatio naryor slo wlymo ving
obj ect s
Fu nction ofbrak eapp lication (Activ eBlind
Spo tAssis t)
If Ac tiveBli nd Spo tAssi stdetects arisk ofaside
im pact inthemonit oring rang e, acou rse-co r‐
re cting brak eap plica tion iscar ried out. This is
designed tohelp youavo idacollis ion.
The cour se-cor recting brak eap plica tion isavaila‐
ble inthespeed rang ebe twee nap prox imat ely
20 mph(3 0km/h) and125mp h(2 00 km/h) . &
WARNIN GRisk ofacci dent despite
br ak eapplication ofActiveBli nd Spo t
Assi st
A cou rse-co rrect ing brak eapplication cannot
alw ayspr ev ent acollision. #
Alw aysst eer ,br ak eor accelera teyour‐
self ,espe ciallyif Ac tiveBli nd Spo t
Assi stwa rnsyo uor mak esaco urse-
co rrect ing brak eapplication. #
Alw aysmaint ainasaf edis tance atthe
sides. If
acour se-cor recting brak eap plica tion occu rs,
th ere dwa rning lam pflashes intheoutside mir‐
ro rand awa rning tone sou nds. Inadditio n,adi s‐
pl ay 1 indic atingth edang erofaside collision
appear sin themultifunc tiondispla y.
In rare case s,thesy stem maymak ean inappr o‐
pr iat ebr ak eapplication. Thisbrak eapplication Dr
iving andparking 18
3

R
Ifth elane marking sch ang equ ickl y, e.g.
lanes branc hof f,cr oss one another or
mer ge.
R Ifth ero ad isvery nar row and windin g.
R Vehicl eswith Drivin gAss istanc ePa ck‐
ag e:ifth era dar sensor sin there ar bum per
ar edir tyor coveredin sno wand anobs tacle
is de tected inyour lane ,no lane -cor recting
br ak eap plica tion take splace.
Ac tiv atin g/deac tivatin gAc tiv eLan eKe eping
Assis t &
WARNIN GRisk ofacci dent despite
Ac tiveLa ne Keeping Assistwa rning
A lane- correcting brak eap plica tion canno t
al wa ys bring theve hicle backint oth eor igi‐
nal lane. #
Alw aysst eer ,br ak eor accelera teyour‐
self ,espe ciallyif Ac tiveLa ne Keeping
Assis twa rnsyo uor mak esalane -cor‐
re cting brak eap plica tion. &
WARNIN GRisk ofacci dent despite inter‐
ve ntio nof ActiveLa ne Keeping Assist
Ac tiveLa ne Keeping Assistdoes notde tect
tr af fic condi tions orroad user s.The system
ma ymak ean inappr opriatebr ak eapplica‐
tion .
The brak eapplication canbeinterru pte dat
an ytime, forex am ple, bysteer ing slightl yin
th eopposit edir ect ion. #
Alw aysmak esur eth at ther eis suf fi‐
cie ntdist anc eto theside forot her traf‐
fi c or obs tacle s. &
WARNIN GRisk ofacci dent despite Lane
Ke eping Assist
Lane Keeping Assistcann otalw aysclear ly
de tect lane mar kings .
In such case s,Lane Keeping Assistcan:
R givean unnec essarywa rning
R notgiv eawa rning #
Alw ayspa ypar ticular attention tothe
tr af fic situ ation and keep within the lane,
espec iallyif Ac tiveLa ne Keeping
Assis taler tsyou. Be
sureto obser vethesy stem limit ations of
Ac tiveLa ne Keeping Assist. #
Press butt on2.
If indicat orlam p1 lights up,ActiveLa ne
Ke eping Assistis activ ated, thelane mark‐
ings aresho wnaslight intheassis tance 18
6
Driving and parking

5
Redwa rning displa yof Parking Assist
PA RK TRONI C:obs tacles areve ry clos e
(a ppr oximat ely1. 0 ft (0.3 m)orless)
6 Orang ewa rning displa yof Parking Assist
PA RK TRONI C:obs tacles areamed iumdis‐
ta nce away (be tween appr oximat ely1. 0 ft
(0.3 m)and 2.0ft(0.6 m)) Wi
de-ang levie w
Sy stem failur e
If th ere ar vie wcam erais no tre ady foroper a‐
tion, theq displa yappear sin themedia dis‐
pla y. Sy
stem limit s
The rear vie wcam erawill notfun ction orwill
on lypa rtiall yfunc tion inthefo llo wing situat ions:
R The trunk lidisopen .
R Ther eis hea vyrain, sno wor fog.
R The ambient lightcondit ionsarepoor ,e.g. at
night.
R Camer as,orvehicle component sin whic h
th ecamer asareins talled, aredamag ed,dirty
or covered. Obser vetheinf ormation onvehi‐
cle sensor sand camer as(/ page15 5).
% Donotus eth ere ar vie wcam erain these
types ofsituation s.Yo uco uld other wise
injur eot her sor collide withobject swhen
par king theve hicle.
Fo rte ch nica lre ason s,thest andar dheigh tof the
ve hicle maybe altered ifth eve hicle iscar rying a
hea vyload andcanresult ininaccur aciesinthe
guide linesandinthedispla yof thege ner ated
ima ges.
% The displa ycont rast ma ybe impai reddue to
inc ident sunligh tor other light sources. In
th is case, paypar ticular attent ion. %
Have thedispla yre pair edorreplaced if,for
ex am ple, pixelerro rs consi derablyrestrict its
us e. 360
°came ra Fu
nction ofthesur round viewcamer a
The surround viewcam erais asy stem that con ‐
sis tsof four cam eras. The cam eras coverth e
immed iateve hicle surround ings.The system
assis tsyouwhen youar epar kingor atexits with
re duced visibility ,fo rex am ple.
The views ofthesur round viewcam eraar e
alw aysav ailable whendrivin gfo rw ards up toa
speed ofappr ox.10 mph(1 6 km/h) andwhen
bac king up.
The surround viewcam erais on lyan aid. Itis no t
a subs titutefo ryo ur att entio nto thesur round ‐
ing s.The responsibili tyforsaf emaneu vering and
pa rking remains withyo u. Mak esur eth at ther e
ar eno per sons, animals orobjec tsetc., inthe
maneu vering area while ma neu vering and park‐
ing. Dr
ivin gand parking 19
1

Guide
lines 1
Yello wlane markingth ecour sethetir es will
ta ke atthecur rent steer ing wheel angle
(dynamic)
2 Yello wguide line,vehicle width(dr iven sur‐
fa ce) dep endi ngon thecur rent steer ing
wheel angle(dynamic)
3 Redguide lineatadis tance ofapprox imat ely
1. 0 in (0.3 m)from there ar area
4 Markat adis tance ofappr ox.3.3 ft(1.0 m)
% When ActivePa rking Assistis act ive, the
lane markingsaredispla yedin green. The
guide linesshowthedis tances toyour
ve hicle. Thedistances onlyapply toroad
le ve l.
Side viewof themir rorca mer as
The side sof theve hicle canbeseen inthis vie w. 1
Guide lineofextern al vehicle dimensions
wit houtside mirrors folded out
2 Markerof thewheel contact poi nts
Sy stem failur e
If th ere ar vie wcam erais no toper ational, the
fo llo wing mess ageappear sin themedia display: Sy
stem limit s
The surround viewcam erawill notfun ction or
will onlypa rtiall yfunc tion inthefo llo wing situa‐
tion s:
R The door sar eopen .
R The side mirrors arefo lded in.
R The trunk lidisopen .
R Ther eis hea vyrain, sno wor fog.
R The ambient lightcondit ionsarepoor ,e.g. at
night.
R Camer as,orvehicle component sin whic h
th ecamer asareins talled, aredamag ed,dirty
or covered. Obser vetheinf ormation onvehi‐
cle sensor sand camer as(/ page15 5).
Do notus eth esur round viewcam eraund er
suc hcir cum stanc es.Youco uld other wise injure
ot her sor collide withobjects whenparking or
maneuv ering theve hicle. Dr
iving andparking 19
3

On
vehicles withheight-adjus table suspension or
if th eve hicle iscar rying ahea vyload, leavingth e
st andar dheigh tcan result ininaccur aciesinthe
guide linesandinthedispla yof thege ner ated
ima ges,depending ontech nica lcond itions.
% The contr astof thedispla yma ybe impair ed
by abr upt,dir ect sunlight orby other light
sour ces, e.g.when driving outofaga rage .In
th is case, paypar ticular attent ion.
% Have thedispla yre pair edorreplaced if,for
ex am ple, pixelerro rs consi derablyrestrict its
us e.
See theno teson cleaning thesur round view
cam era(/ page33 2).
Select ingavie wforthe 360° Camer a
Re quirement s:
R The Auto.Rear View Cam. function isselec‐
te din themultimedia system. #
Engage reve rsege ar. #
Inthemultimedia system, select thedesir ed
vie w. Opening
thecam eraco verof the rear vie w
camer a
Mul timedi asy stem:
4 Vehicle 5
k Assist ance
5 Camera &Parkin g #
Select OpenCamera Cover.
% The camer aco vercloses automatical lyafte r
some timeorafte ran ignitio ncy cle.
Se tting thecam eraas afa vo rite
Yo ucan callupthecamer avie wdir ect lyin the
multime diasystem bysettin git as afa vo rite . #
Press the00E2 buttononthecon trol ele‐
ment .
The main functionsar edispla yed. #
Navig atedo wn wardstwice.
The Favorite smenu appears. #
Select New Favorite. #
Select Veh icle. #
Select Camera. Pa
rking Assis tPA RK TRONI C Fu
nction ofParking Assis tPA RK TRONI C
Pa rking AssistPA RK TRONI Cis an elec tron ic
par kingassi stanc esy stem withultr asound. It
monit orsth ear ea around your vehicle using mul‐
tiple sensor son thefront bum perand onthe
re ar bum per.Pa rking AssistPA RK TRONI Csho ws
yo uth edis tance betwee nyo ur vehicle anda
de tected obs tacle visually and audibly .
Pa rking AssistPA RK TRONI Cis on lyan aid. Itis
no ta subs titutefo ryo ur att entio nto thesur‐
ro und ings.The responsibili tyforsaf emaneu ver‐
ing and parking remains withyo u. Mak esur e
th at ther ear eno per sons, animals orobjec tsin
th emaneuv ering area while maneuv ering and
par king in/exitingpar king spaces.
In thest andar dse tting ,an intermit tent wa rning
to ne sou nds from adi st anc eof appr oximat ely
1. 0 ft (0.3 m)toan obs tacle infront and approx ‐
imat ely3. 3ft (1.0 m) toan obs tacle beh ind. A
continu ouswa rning tone sou nds from adi st anc e
of appr oximat ely0. 7ft (0.2 m).Using theWarn
Early setting inthemultimedia system, thewa rn‐
ing tones forfr ont and side impact protect ion 19
4
Driving and parking

can
besetto sound atagr eat erdis tance of
ap prox imat ely3. 3ft (1.0 m) infront and 2.0ft
(0.6 m)onthesides (/page19 8).
% The Warn Earlysetting isalwa ys act ive at the
re ar oftheve hicle.
Pa rking Assis tPA RK TRONI Cdispl ayinthe
mu ltim edia system Ve
hicles without surround viewcam era Ve
hicles withsur round viewcam era
If yo uha ve notsel ect edtheCamera &Parkin g
menu andanobs tacle isde tected inthepat hof
th eve hicle, apop-up windowforPa rking Assist
PA RK TRONI C1 appear sin themultimedia sys‐
te m at speed sbelo w6mp h(1 0 km/h).
The color oftheindividual segmentsof thewa rn‐
ing displa yis based onthedis tance tothede tec‐
te dobs tacle :
R Yello wsegment s:obs tacle sat adi st anc e
be tween appr ox.2.0 ft(0.6 m)and 3.3ft
(1 .0 m) R
Orang esegment s:obs tacle sat adi st anc e
be tween appr ox.1. 0 ft (0.3 m)and 2.0ft
(0.6 m)
R Redse gme nts: obstacle sat ave ry shor t
dis tance ofapprox .1. 0 ft (0.3 m)orless
Sy stem limit s
Pa rking AssistPA RK TRONI Cdoes notne cessa‐
ri ly take intoacc ount thefo llo wing obstacle s:
R Obs tacle sbel ow thede tection rang e, e.g .
pe rsons, animals orobject s.
R Obs tacle sab ove thede tection rang e, e.g .
ove rhang ingloads, overhang sor loadin g
ra mp sof truc ks.
The sensor smus tbe free ofdir t,ice and slush.
Ot her wise, they ma yno tfunction correctl y.
Clean thesensor sre gular ly,ta king careno tto
scr atc hor damag eth em (/ page15 5). Dr
iving and parking 19
5

Pr
oblems withParking Assis tPA RK TRONI C Ex
am ple: vehicles withsur round viewcam era
When rear segm ents1 orall-r oundsegm ents
2 light upredand theé symbol appearsin
th emultifunc tiondispla y,Pa rking Assist
PA RK TRONI Cma yha ve been deactiv ated due to
signal interfere nce. Startth eve hicle again and
ch eckif Pa rking AssistPA RK TRONI Cis wo rking
at adif fere nt locati on. If
awa rning tone also sou nds forapp roxima tely
tw ose co nd seve rytim eth eve hicle isstar ted, it
ma ybe due toone ofthefo llo wing causes:
R Thesensor sar edir ty:clean thesensor s
and obser vetheno teson car eof vehicle
par ts(/ page332).
R Parking Assis tPA RK TRONI Chas been
deac tivated due toamalfunc tion:re star t
th eve hicle. Ifth epr oblem persists, con sult a
qu alif ied spec ialistwo rkshop.
Fu nction ofthepa ssiv eside impact protec‐
tion
Pa ssiv eside impact protect ion isan additional
Pa rking AssistPA RK TRONI Cfun ction whic h
wa rnsth edr iver about obstacle sat theside of
th eve hicle. Awa rning isissued whenobstacle s
ar ede tected between thefront and rear detec‐
tion rang e. In orde rfo ran object ontheside to
be detected, thesensor sin thefront and rear
bum permus tfirs tde tect theobjec twhile you
ar edr ivin gpas tit.
Dur ing thepar king procedur eor when maneu‐
ve ring, objects arede tected astheve hicle drives
pas t.Ifyo usteer inthedir ect ion ofade tected obs
tacle and ther eis arisk ofalat eral collision,
a wa rning isissued andthesegment slight upin
color inthedispla y.
The segment colorchang esdepen dingon the
dis tance tothede tected obs tacle :
R Yello w: appr oximat ely1. 0 -2.0 ft
(30 -60 cm)
R Red:less than appr oximat ely1. 0 ft (30 cm)
In order forlat eral front orrear segm entsto be
displa yed, theve hicle mustfirs ttr av el adis tance
of at leas tha lfof theve hicle length.Once the
ve hicle hastrave led thelengt hof theve hicle, all
of thelat eral front and rear segm entscan bedis‐
pla yed. 19
6
Driving and parking

Pa
rking AssistPA RK TRONI Cdisp lay: vehicles
wit hout asur round viewcam era
1 Operation alfron tand rear
2 Operation alfron t,re ar and sides
3 Obstacle detected atthefront right (yello w)
and rear (red) Pa
rking AssistPA RK TRONI Cdisp lay: vehicles
wit hasur round viewcam era
1 Operation alfron tand rear
2 Operation alfron t,re ar and sides
3 Obstacle sde tected atthefront right (red)
Sa vedobs tacle son thesides aredele tedin the
fo llo wing situat ions,fo rex am ple:
R Youpar kth eve hicle andswitc hof fth eigni‐
tion .
R Youopen thedoor s.
Af terth eengine isrestar ted, obs tacle son the
sides mustbe detected again bef oreane w
wa rning can beissued. Sy
stem limit s
The system limits forPa rking Assist
PA RK TRONI Cappl yto passiv eside impact pro‐
te ction.
The follo wing objectsar eno tde tected, forex am‐
ple:
R Pedes trians who approachth eve hicle from
th eside
R Objec tsplaced next to theve hicle
Ac tiv atin g/deac tivatin gPa rking Assis t
PA RK TRONI C
* NO
TERisk ofan acci dent from objects
at clo serang e Pa
rking AssistPA RK TRONI Cma yno tde tect
cer tain obje ctsat clos era ng e. #
Whe npa rking ormane uvering theve hi‐
cle, paypar ticular attention toany
obj ect swhic har eabo veorbelo wthe
sensor s,e.g. flowe rpo ts or draw bar s.
The vehicle orother objects couldoth‐
er wise bedamag ed. Dr
iving andparking 19
7

per
sons, animals orobjec tsetc. arein the
maneu vering rang e.
Ac tivePa rking Assistwill becan celed inthefo l‐
lo wing situat ions:
R Parking AssistPA RK TRONI Cis deac tiva ted.
R Youbegin steer ing.
R Youappl yth epar king brak e.
R Youen gage trans missi on positio n005D.
R ESP ®
int erve nes.
R Youopen thedoor sor thetrunk lidwhile
dr iving.
Sy stem limit s
If th eex terior lighting ismalfunct ioning,Active
Pa rking Assistis no tav ailable.
Obj ectsloc ated abo veorbelo wthede tection
ra ng eof thesensor s,e.g. overhang ingloads,
ove rhang sor loadin gra mp sof truc ks,or thebor‐
der sof par king spaces, areno tde tected during
mea surement ofthepar king space. Theseare
also then notta ke nint oacco untwhen calcul at‐
ing thepar king procedur e.In some circums tan‐
ces, ActivePa rking Assistma yth er efor eguide
yo uint oth epar king space incorrectl y. &
WARNIN GRisk ofacci dent dueto
object slocat edabo veorbelo wthe
de tection rang eof ActivePa rking Assist
If th er ear eobjec tsabo veorbelo wthe
de tection rang e, thefo llo wing situat ionsmay
ar ise:
R ActivePa rking Assistma yst eer tooear ly.
R The vehicle mayno tst op infront ofthese
objec ts.
This could cause acollision. #
Inthese situation s,do notuse Active
Pa rking Assist. Ex
treme weather condition s,suc has snow or
hea vyrain, ma ylead toapar kingspac ebein g
meas ured inac curately. Pa rking spaces that are
par tiallyoc cupied bytrai le rdr aw bar smight not
be ident ified assuc hor be measur edincor rectly .
Only useAc tivePa rking Assiston leve l,high- grip
gr ound. Do
notuse ActivePa rking Assistin thefo llo wing
situat ions:
R Inextreme weather condition ssuc has ice ,
pac kedsno wor inhea vyrain.
R When transpor tingaload that protru des
be yond theve hicle.
R Onsteep uphill ordownhill gradients ofmor e
th an appr oximat ely15 %.
R When snowch ains areins talled.
R Direct lyafte ra tir ech ang eor when spare
tir es areins talled.
R Ifth etir epr essur eis toolow or toohigh.
R Ifth esuspension isout ofalignment ,e.g.
af te rbo ttoming outonacurb.
Ac tivePa rking Assistma yalso displa ypar king
spaces that areno tsuit able forpar king, suchas:
R Parking spaces wherepar kingis prohibit ed.
R Parking spaces onunsuit ablesurfaces.
Pa rking withAc tiv ePa rking Assis t Dr
iving andparking19
9