2021 MERCEDES-BENZ CLA sensor

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
Displa yof Parking Assis tPA RK TRONI Cin the
Head-u pDi spla y Op
tiona lly,obs tacle sde tected byParking Assist
PA RK TRONI Cfrom adis tance ofapprox imat ely
3. 3ft (1.0 m) infront 2and 2.0ft(0.6 m)on
th esides 3can also bedispla yedin theHead-
up Displa y. 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 oveth ede 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 correctly .
Cl ea nth esensor sre gular ly,ta king careno tto
scr atc hor damag eth em (/ page15 4). Dr
iving andparking 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(/ page265).
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 Cusi ng the multime diasystem
* 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

R
Exiti ngparking spaces ifyo uha ve par ked
usin gAc tivePa rking Assist
As soon asall requ iremen tsareme tfo rsearc h‐
ing forpar king space s,theÇ displa yappear s
in themultifunc tiondispla y.
When ActivePa rking Assisthas detected parking
spaces ,th eÈ displa yappear sin themulti‐
func tion displa y.The arrow ssho won whic hside
of thero ad detected parking spaces arelocat ed.
The yar eth en sho wninthemedia display.
The parking space canbeselect edasdesir ed.
Dependin gon thelocation ofthepar king space,
th epar king direct ion (rear wardsor forw ards)
can also beselec tedas desir ed.
When ActivePa rking Assistis act ivat ed, thetur n
signal indicat orsar eactiv ated based onthecal‐
culat edpat hof your vehicle.
When youar een tering orexitin gapar king
space, thepr ocedur eis assis tedby acc eleration ,
br akin g,steer ing and gear chang es.
Ac tivePa rking Assistis onl yan aid. Itis no ta
subs titutefo ryo ur att entio nto thesur round ings.
The responsibili tyforsaf emaneu vering and
pa rking remains withyo u. Mak esur eth at no per
son s,anim alsorobj ect set c. 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 Vehicl eswith automatic transmiss ion:
yo uen 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. overhanging loads,
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 incorrectly . &
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 edinco rrect ly.
Onl yuse ActivePa rking Assiston leve l,high- grip
gr ound. Dr
ivin gand parking19
9

Take
Control ofVehicle messagepr om ptyouto
ta ke contr olof theve hicle.
The vehicle isno taut omatically brak ed and can
ro llaw ay.Yo uha ve toacc eler ate, brak e, steer
and chang ege ar yourself again. Ma
neuv ering assistance Fu
nction ofDrive Awa yAssis t
Dr ive Aw ayAssi stcan reduce these verity of an
impact when pulling away.If an obs tacle is
de tected inthedir ect ion oftrav el, theve hicle's
speed isbrief lyreduced toappr ox.1 mp h
(2 km/ h).Ifacr itic alsituat ionisde tected, the
É symbol appearsinthemedia display.
% Youcan cancelaninterve ntio nby Drive
Aw ayAssi stat anytim eby deactiv ating
Pa rking AssistPA RK TRONI C(/ page19 7). &
WARNIN GRisk ofacci dent caused by
limit eddetection perform anc eof Drive
Aw ayAssi st
Dr ive Aw ayAssi stcanno tal wa ys cle arly iden‐
tify obje ctsand traf fic situ ations. #
Alw ayspa ycar eful attention tothetra f‐
fi c situ ation; donotre ly on Drive Aw ay
Assi stalon e. #
Beprepar edtobrak eor sw erve as nec ‐
essar y,prov ided thetra ffic situat ion
per mitsand that itis saf eto take eva‐
siv eact ion. Dr
ive Aw ayAssi stisonl yan aid. Itis no ta sub‐
st itut efo ryo ur att entio nto thesur round ings.
The responsibili tyforsaf emaneu vering and
pa rking remains withyo u. Mak esur eth at no
per son s,anim alsorobj ect set c. arein the
maneu vering rang e.
A risk ofacollision mayar ise inthefo llo wing sit‐
uation s,forex am ple:
R Ifth eaccelera torand brak epeda lsaremix ed
up.
R Ifan incor rect transm ission position is
eng aged.
Dr ive Aw ayAssi stisact ive under thefo llo wing
con dition s:
R IfPa rking AssistPA RK TRONI Cis act ivat ed. R
Ifyo ushif tth etra nsmiss ionposition to005E or
005B when theve hicle isstatio nary.
R Ifth ede tected obs tacle isless than appr ox.
3.3 ft(1.0 m) away.
R Ifth emaneuv ering assis tance func tionis
acti vatedin themultimedia system.
Sy stem limit s
The perform anc eof Drive Aw ayAssi stislimit ed
on inclines .
% Also obser vethesy stem limits ofParking
Ass istPA RK TRONI C(/ page19 4).
Fu nction ofCross Traf fic Aler t
% Cross Traf fic Aler tis only available forve hi‐
cles withBlind SpotAssis tor ActiveBli nd
Spo tAssi st.
Cr oss Traf fic Aler tcan warndriver sof anycr oss‐
ing traffic when backingup and mane uvering out
of apar kingspace. Theradar sensor sin the
bum peralso monit orthear ea adjacen tto the
ve hicle. Ifacr itical situation isde tected, the
L symbol appearsinthemedia displayand
th eve hicle canbebrak ed aut omatically . Dr
iving andparking 203

If
th era dar sensor sar eobs truct edbyvehicles
or other object s,de tection isno tpos sible.
Cr oss Traf fic Aler tis acti veund erthefo llo wing
con dition s:
R Ifth eve hicle isbac king upatwa lkin gpace.
R Maneuv ering assis tance isacti vated
( / pag e204).
% Also obser vetheins truction son Blind Spot
Assis tand ActiveBli nd Spo tAssi st
( / pag e18 4).
Sy stem limit s
Cr oss Traf fic Aler tis no tav ailable onincline s.
Ac tiv atin g/deac tivatin gthe mane uvering
ass ista nt
Mu ltimed iasystem:
4 © 5
Set ting s5
Assist ance
5 Camera &Parkin g #
Switc hManeuverin gAssist anceonoroff.
% The maneuv ering assis tant mu stbe activ e
fo rth efunc tion ofDrive Aw ayAssi st
( / pag e203) andCross Traf fic Aler t
(/ page 203) . Ve
hicl eto wing instruct ions
The vehicle isno tsuit able forth euse oftow bar
sy stems that areused forflat towing ording hy
to wing, forex am ple. Attach ing and using tow bar
sy stems canlead todamag eon theve hicle.
When youar eto wing ave hicle withto w bar sys‐
te ms, safedr iving charact eristic scan notbe
guar anteed forth eto wing vehicle ortheto we d
ve hicle. Thevehicle-tr ailercombination may
sw erve from side toside. Complywithth eper‐
mitt edtowing methods (/page28 1) and the
ins truct ions forto wing withbo th axle son the
gr ou nd (/ page 282). 20
4
Driving andparking

&
WARNIN GRisk ofburnsfrom theta il‐
pipe andtailpipe trims
The exhaus tta ilpipe andtailpipe trims can
becom eve ry hot.Ifyo uco me intoco ntact
wit hth ese partsof theve hicle, youco uld
bur nyo urself . #
Alw aysbe par ticular lycareful arou nd
th eta ilpipe andtheta ilpipe trims and
super visechildr enespec iallycloselyin
th is area. #
Allo wvehicle partsto cool down before
to uc hin gth em. To
avo iddamag eto theve hicle, observethe
no teson cleaning andcareof thefo llo wing vehi‐
cle parts:
Wheels andrims
R Use waterand acid-free alloy wheel cleaners.
R Donotuse acidic alloywheel cleanersto
re mo vebrak edus t.This could damag ewheel
bolts andbrak ecom ponen ts.
R Toavo idcor rosion ofthebr ak ediscs and
br ak epads, drive th eve hicle fora fe w minut
esafte rclea ning beforepar king it.The
br ak ediscs andbrak epa dswarm upand dry
out .
Wi ndo ws
R Clean thewindo wsinsid eand outs idewitha
dam pclo thand withacle anin gag ent recom‐
mend edforMer cedes-Benz.
R Donotuse dryclo thsor abr asiv eor sol vent-
ba sed cleani ng agents tocle an theinside of
windo ws.
Wi per blades
R Movethewiper arms intoth ere placemen t
position (/page11 7).
R With thewiper arms folded out,clean the
wiper blades withadam pclo th.
R Donotcle an thewiper blades tooof ten.
Ex terior light ing
R Clean thelenses withawe tsp ong eand mild
cle ani ng agent, e.g.car shampoo.
R Onlyuse cleaning agents orcleaning cloths
th at aresuit able forpla stic lens es. Sensor
s
R Clean thesensor sin thefront and rear
bum perswit hasof tclo thand carsham poo
(/ page15 4).
R Whenusing apo we rwa sher ,maint ainamini‐
mum distance of11.8 in(30 cm).
Re ar vie wcamer aand surround viewcamer a
R Open thecamer aco verwit hth emultimedia
sy stem (/ page19 4).
R Use cleanwa terand asof tclo thtocle an the
came ralens .
R Donotuse apo we rwa sher .
Ta ilpip es
R Clean withaclean ingagent recomme nded
fo rMer cedes-Benz, especiallyin thewint er
and afte rwa shing theve hicle.
R Donotuse acidic cleaning agents. 266
Maintenance andcare

pr
essur ete lltale when oneormor eof your
tir es issign ifican tly und erinf lated. Accor d‐
ing ly,if th elow tirepr essur ete lltale illumi‐
nat es, yousho uld stop and checkyo ur tires
as soo nas poss ible, andinflateth em tothe
pr oper pressur e.Driving onasignif icantly
under inflated tirecauses thetir eto ove rheat
and canlead totirefa ilur e.Un der inflation
also reduces fuelefficie ncy and tiretrea d
li fe ,and mayaf fect theve hicle's handling
and stopping ability.Please note that the
TPMS isno ta subs titutefo rpr oper tiremain‐
te nance ,and itis thedr iver's responsibili ty
to maint aincorrect tirepr ess ure, eve nif
und erinf latio nha sno tre ac hed theleve lto
tr ig ge rill umina tionoftheTPMS low tirepr es‐
sur ete lltale.
Yo ur vehicle hasalso been equipped witha
TPMS malfunction indicatortoindic atewhen
th esy stem isno toper ating proper ly.The
TPMS malfunct ionindicat oriscombin edwith
th elow tirepr essur ete lltale. When thesy s‐
te m detects amal functi on,theindicat or
lam pwill flash forapp roxima tely amin ute and
then remain continuously illumina ted.
This sequence willcontinue upon subseq uent
ve hicle star t-ups aslon gas themalfunct ion
ex ists.
When themalfunct ionindicat orisillumina‐
te d, thesy stem mayno tbe able todetect or
sig nal low tirepr ess ureas intende d.TPM S
mal functi onsmayoccu rfo ra va riet yof rea‐
son s,inc ludin gth eins tallation ofinc om pati‐
ble replacemen tor alternat etir es orwheels
on theve hicle that prev ent theTPMS from
func tioningproper ly.
Alw aysch eckth eTPMS malfunct iontelltale
af te rre placing oneormor etir es orwheels
on your vehicle toensur eth at there place‐
ment oralternat etir es and wheels allowthe
TPMS tocontinu eto function proper ly. The
system checks thetir epr essur eand thetir e
te mp eratur eof thetir es installed ontheve hicle
by means ofatir epr essu resensor .
The tirepr essur eand thetir ete mp eratur e
appear intheon- boar dcom puter(/ page295). If
th er eis asubs tantia lpr ess ureloss orifth e
tir ete mp eratur eis exc essiv e,youwill bewarned
in thefo llo wing ways:
R viadisp lay messa ges(/ page37 4).
R viathe0077 warning lam pin theins trument
clus ter(/ page39 4)
The tirepr essu remonit oring system isonl yan
aid. Itis thedr iver's responsibili tyto setth etir e
pr essur eto there comme ndedcoldtirepr ess ure
su itab leforth eoper ating situation .
In mos tcases, thetir epr essur emonit oring sys‐
te m wil lau tomatical lyupdat eth ene wrefere nce
va lues afte ryo uha ve chang edthetir epr essur e.
Yo ucan ,ho we ver,also updat eth ere fere nce val‐
ues byrestar tin gth etir epr essur emonit oring
sy stem manually (/page39 4).
Sy stem limit s
The system maybe impair edorma yno tfunc tion
par ticular lyin thefo llo wing situat ions:
R The tirepr essur ehas been setinc orrectly
R Sud den press urelos scau sed byafo re ign
obje ctpene tratin gth etir e, forex am ple 29
4
Whee lsand tires