2020 MERCEDES-BENZ CLA COUPE ESP

*
NO
TEDama ging thebatt eryth ro ugh
ove rvolt age When
chargin gusin gabat tery charge rwit h‐
out amaximu mchargin gvo ltag e, thebatt ery
or theve hicle electr onics maybe damag ed. #
Onlyuse batterych arge rs wit hamax i‐
mum chargin gvo ltag eof 14.8 V. &
WARNIN GRisk ofexplosion from hydro‐
ge nga signiting
A batt eryge ner ates hydrog en gasdur ing the
ch argin gpr oce ss.Ifth er eis ashor tcir cuit or
spar ksstar tto form ,th er eis adang erofthe
hy drog en gasigniting. #
Mak esur eth at thepositiv ete rm inal of
th econ nect edbatt erydoes notcome
int ocon tact with vehicle parts. #
Neverpla ceme talobje ctsor tools ona
batt ery. #
When connectin gand disconn ectingth e
batt ery, yo umus tobse rveth edescr i‐
bed order forth ebatt eryclam ps. #
When giving star tin gassis tance, alwa ys
mak esur eth at youon lyconnect bat‐
te ry term inals withident icalpolar ity. #
Dur ing star tin gassis tance, youmus t
obse rveth edescr ibedorder forcon‐
necting anddisconnecting thejum per
cables. #
Donotcon nect ordiscon nectthebat‐
te ry cla mp swhile theengine isrunning . &
WARNIN GRisk ofexplosion during
ch argin gpr oce ssand star tin gassis tance
Dur ing thech argin gpr oce ssand star tin g
assis tance, thebatt eryma yre lease anexplo‐
siv ega smixtur e. #
Avoid fire ,open flames ,cr eat ing spar ks
and smoking. #
Mak esur eth at ther eis suf ficie ntventi‐
la tio ndu ring thech argin gpr oce ssand
dur ing star tin gassis tance. #
Donotle an ove ra batt ery. &
WARNIN GRisk ofexplosion from afro‐
zen battery
A disc hargedbatt eryma yfreeze attemp era‐
tur es slightl yabo veorbelo wfreezing point.
Dur ing star tin gassis tance orbatter ych arg‐
ing ,bat tery gasma ybe released. #
Alw aysth aw afroz en bat tery out firs t
bef orech argin git or per form ing star t‐
ing assis tance. If
th eindicat or/warning lampsintheins trument
clus terdo notlig ht up atlow temp eratur es,itis
ve ry likelyth at thedisc hargedbatt eryhas fro‐
zen .In this case youma yne ither jump-start the
ve hicle norcharge thebatt ery.
The service life of abatt eryth at has been
th awe dma ybe dramaticall yshor tened .The
st ar tin gch aract eristic sma ybe impair ed,espe ‐
ciall yat low temp eratur es.
It is recomme ndedthat youha ve ath aw ed bat‐
te ry checkedat aqu alif ied spec ialistwo rkshop. 41
0
Brea kdo wnassista nce

Obser
vethefo llo wing notesif yo uwa ntto
re place thebatt eryyo urself :
R Alw aysre place afa ulty battery wit habatt ery
whic hmee tsthespecif icvehicle requ ire‐
men ts.
The vehicle iseq uipped withan AGMtech nol ‐
ogy batter y(A bso rbentGlas sMa t)or alith ‐
ium-io nbatt ery. Fu llve hicle functionality is
onl yguar anteed withan AGMbatt eryor lith‐
ium-ion battery. Fo rsaf etyre ason s,
Mer cedes-Ben zre comme ndsthat youon ly
use batteries whic hha ve been tested and
appr ovedfo ryo ur vehicle byMer cedes-Ben z.
R Carryove rde tach able parts,suc has vent
hos es,elbo wfitting orterm inal covers from
th ebatt erybeing replaced.
R Mak esur eth at theve nt hos eis alwa ys con‐
nect edtotheor iginal opening ontheside of
th ebatt ery. Ins
tallan yex istin gor supplied cellcaps.
Ot her wise, gases orbatt eryacid could
escape.
R Mak esur eth at detach able partsarere con‐
nect edinthesame way. To
w star ting ortowing away Pe
rm itted towing methods Mer
cede s-Ben zre comme ndstransp orting your
ve hicle inthecase ofabr eakdo wn,rath er than
to wing itaw ay.
Fo rto wing, useato w rope ortow bar withbo th
axle son thegr ound. Donotuse tow bar sys‐
te ms. &
WARNIN GRisk ofacci dent whento wing
wit hsteer ing wheel lock
Yo uwill nolongerbe ableto steer theve hicle
if th esteer ing wheel lockis eng aged. #
Alw aysswitc hon theignition whentow‐
ing theve hicle withato w cable orato w
bar . *
NO
TEDama getotheve hicle duetotow‐
ing away inc orrectl y #
Obs erve theins truction sand noteson
to wing away. Br
ea kdo wnassista nce 41
3

#
Secu retheve hicle onallfour wheel saf te r
loading .
4MA TICvehicl es/vehicl eswith automatic
tr ansmiss ion #
Mak esur eth at thefront and rear axle scom e
to rest on thesame transpor tatio nve hicle.
* NO
TEDama getothedr ivet ra in due to
inc orrect pos itioning #
Donotpos ition theve hicle abovethe
connecti onpointofthetranspor tve hi‐
cle. To
wing eyesto rage location To
wing eye1 islocat edinthestow agespac e
unde rth etrunk floor . Ins
talling theto wing eye #
Press themar kon cover1 inwa rdsand
re mo ve. #
Screw intheto wing eyecloc kwiseasfaras it
wil lgo and tight en.
% Mak esur eth at cover1 eng ages inthe
bum perwhen youre mo vetheto wing eye. Br
eakdo wnassis tance 41
7

No
teson noise orunusua lhand lingcharac‐
te rist ics
While driving ,pa yatt ent ion tovibr ations, noises
and unusu alhandl ingcharact eristic s,e.g .pullin g
to one side. Thismayindicat eth at thewheels or
tir es aredamag ed.Ifyo ususpe ctthat atir eis
def ective, reduce your spee dimm ediat ely. Stop
th eve hicle assoon aspossible tocheckth e
wheels andtires fordama ge.Hid den tireda m‐
ag ecou ldalso be cau sing theunusual handling
ch aract eristic s.Ifyo ufind nosigns ofdamag e,
ha ve thetir es and wheels checkedat aqu alif ied
spec ialistwo rkshop. No
teson regular lyinspect ingwheels and
tir es &
WARNIN GRisk ofacci dent from dam‐
ag ed tires
Dama gedtir es can cause tirepr essur eloss.
As are sult, youco uld lose contro lof your
ve hicle. #
Chec kth etir es regular lyforsigns of
dama geand replace anydamag edtires
immediat ely. &
WARNIN GRisk ofaquaplani ng dueto
insuf ficie nttiretrea d
Insu fficien ttir etread willresult inreduced
tir egr ip. The tiretread isno long erable to
dissipat ewa ter.
This means that inhea vyrain or slush the
ri sk ofhydroplaning isincr eased, inpar ticu‐
lar ifve hicle speed isno tadap tedto suit the
condi tions.
If th etir epr essur eis toohigh ortoolow,
tir es ma yex hibit differe nt leve ls of we arat
dif fere nt locati ons onthetir econ tact sur‐
fa ce. #
Thu s,yo usho uld regular lych eckth e
tr ea dde pthand thecon dition ofthetir e
con tact surface across theent ire widt h
of all tires. Minimum
tread depthfor:
R Summ ertires: 00CEin(3 mm)
R M+S tires: 00CFin(4 mm) #
Forsaf etyre ason s,replace thetir es
bef oreth eleg ally prescr ibed limit for
th eminimum tread depthisreac hed. Car
ryout thefo llo wing checks on allwheels reg‐
ular ly,at leas tonce amont hor as requ ired, e.g.
pr ior toalon gjo ur ne yor drivin gof f-ro ad:
R Chec kth etir epr essur e(/ page42 4).
R Visual lyinsp ectwheels andtires fordama ge.
R Chec kth eva lve caps.
The valves mus tbe protect edagains tmois‐
tur eand dirtby theva lve caps approved
especiall yfo ryo ur vehicle byMer cedes-Ben z.
R Visual checkof thetir etread depthand the
tir econt actsurface across theent ire widt h.
The minimum tread depthforsummer tires is
00CE in(3 mm) andforwint ertires 00CF in
(4 mm). 422
Wheel sand tires

Ti
re pres sur e No
teson tirepr essur e &
WARNIN GRisk ofacci dent dueto insuf ‐
fi cie ntor excess ive tir epr ess ure
Under inflate dor ove rinf late dtir es pose the
fo llo wing risk s:
R The tires ma ybur st,especiall yas the
load andvehicle speed increase.
R The tires ma ywe arexc essiv elyand/or
une venly, whic hma ygr ea tly impair tire
traction .
R The drivin gch aract eristic s,as wellas
st eer ing and braking, maybe greatl y
im pair ed. #
Com plywithth ere comme ndedtire
pr ess ureand checkth etir epr essur eof
all tires including thespar ewheel regu‐
lar ly:
R atleas tonce amont h
R when theload chang es R
beforeembar kingon alon gerjour ney
R ifoper ating conditions chang e,e.g .of f-
ro ad drivin g #
Adjus tth etir epr essur eas neces sary. Ti
re pressur ewhic his toohigh ortoolow can:
R Shor tenth eser vice life of thetir es.
R Cause increased tiredamag e.
R Adversely affect drivi ng charact eristic sand
th us drivin gsaf ety, e.g. due tohydroplaning. &
WARNIN GRisk ofan acci dent dueto
insuf ficie nttirepr ess ure
Ti re swit hpr essur eth at istoolow can over‐
heat andburstas are sult.
In addition, they also sufferfr om excessiv e
and/or irre gular wear,whic hcan significan tly
im pair thebr aking proper tiesand thehan‐
dling charact eristic s. #
Avoid excessiv elylow tirepr essur esin
all thetir es, including thespar ewheel. Ti
re pressur ewhic his toolow can cause:
R Tire faults asare sult ofoverheating.
R Impair edhandling charact eristic s.
R Irre gular wear.
R Incr eased fuelconsum ption. &
WARNIN GRisk ofacci dent from exces‐
siv etir epr essur e
Ti re swit hexc essiv elyhigh pressur ecan
bur stbecause they aredamag edmor eeasil y
by highw ayfill, po tholes etc.
In addition, they also sufferfr om irre gular
we ar,whic hcan significan tly im pair thebr ak‐
ing proper tiesand thehandling charact eris‐
tic s. #
Avoid excessiv elyhigh tirepr essur esin
all thetir es, including thespar ewheel. Ti
re pressur ewhic his toohigh cancause:
R Increased brakin gdis tance
R Impaired handl ing charact eristic s
R Irre gular wear 42
4
Whee lsand tires

Fu
rther relat ed subje cts:
R Noteson tirepr essur e(/ page42 4)
R Tire pressur eta ble (/ page425)
R Tire and Loadi ngInfo rm atio nplacar d
(/ page43 1) Ti
re pres sur emoni toring system Fu
nction ofthetir epr essur emoni toring sys‐
te m &
DANG ER Risk ofacc iden tdue toinc or‐
re ct tirepr ess ure
Eac htir e, incl uding thespar etir e(if present ),
should becheckedat leas tonc eamont h
when coldandthen inflated tothepr essur e
re comme ndedbytheve hicle manuf acturer
(see theTire and Loadi ngInfo rm atio nplac‐
ar don thedr iver's side B‑pillar orthetir e
pr essur eta ble ontheinside ofthefuel filler
fl ap ofyour vehicle). Ifyo ur vehicle hastires
of adif fere nt size than thesize indicat edon
th eTire and Loadi ngInfo rm atio nplacar dor th
etir epr essur eta ble, youmus tfind outth e
cor rect tirepr ess ures forth ese tires.
As anadded safetyfe atur e,your vehicle has
been equipped withatir epr essur emonit or‐
ing system (TPMS) that illumin ates alow tire
pr essur eind icat orlam pwhen oneor mor eof
yo ur tires aresign ifican tly und erinf lated.
Ac cor ding ly,if th elow tirepr essur eindicat or
lam plights up,yousho uld stop and check
yo ur tires assoo nas poss ible, andinflate
th em tothecor rect press ure. Driving on a
sig nifica ntly underinf late dtir ecauses thetir e
to ove rheat and canlead totirefa ilur e.
Un der inflation alsoincreases fuelconsum p‐
tion ,re duces thelife ex pect ancy ofthetir e
and mayadv ersel yaf fect thehandling and
br aking charact eristic sof theve hicle. Please
no te that theTPMS isno ta subs titutefo r
pr oper tiremaint enanc e,and itis thedr iver's
re sponsibili tyto maint aincorrect tirepr es‐
su re,eve nif und erinf latio nha sno tre ac hed
th eleve lto trig ge rill umina tionoftheTPMS
lo w tirepr essur eindicat orlam p. Yo
ur vehicle hasalso been equipped witha
TPMS malfunction indicatortoindic atewhen
th esy stem isno toper ating proper ly.The
TPM Smal functi onindicatoris combined with
th elow tirepr essur eindicat orlam p.When
th esy stem detects amal functi on,theindica‐
to rlamp willfl ash 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 ure asintende 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 preve nttheTPMS from
func tioningproper ly.
Alw aysch eckth eTPMS malfunct ionwarning
lam paf te rre placing oneormor etir es or
wheels onyour vehicle toensur eth at the
re placemen tor alternat etir es and wheels Wheels
andtires 42
7

allo
wtheTPMS tocontinu eto function prop‐
er 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 .
Ne wtirepr essur esensor s,e.g. inwint ertires,
ar eaut omaticall yta ught -indur ing thefirs tjou r‐
ne yth ey areused.
The tirepr essur eand thetir ete mp eratur e
appear inthemultifunc tiondispla y
(/ page428).
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 Viadispla ymes sages(/ page50 8)
R Viath e0077 warning lam pin theins trument
clus ter(/ page528)
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 .Se tth etir e
pr essur efo rcold tires using atir epr essu re ga
ug e. No tethat thecor rect tirepr ess urefo rth e
cur rent operati ng situa tionmu stfirs tbe taught -
in to thetir epr essur emonit oring system.
In mos tcases, thetir epr essur emonit oring sys‐
te m wil lau tomatical lyupd ateth 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 manuall y(/ page429).
Sy stem limit s
The system maybe impair edorma yno tfunc tion
in thefo llo wing situat ions:
R The tirepr essur ehas been setinc orrectl y
R The reisasudden pressur eloss caused, for
ex am ple, byafo re ign obje ctpene trating the
tir e
R Thereis ama lfunctio ncau sedby ano ther
ra dio signal source
Be sureto also payatt ent ion tothefo llo wing
re lat ed topic:
R Noteson tirepr essur e(/ page42 4) Chec
kingthetir epr essur ewit hth etir epr es‐
sur emoni toring system
Re quirement s:
R The ignit ionisswitc hedon.
On- boar dcom puter:
4 Service 5
Tires
One ofthefo llo wing displa ysappear s:
R Cur rent tirepr ess ureand tirete mp eratur eof
th eindividual wheels: R
Tire pressure willbedisplayed afterdriving a
few minutes
R Tire Pressure MonitorAct ive: thete ac h-in
pr oce ssofthesy stem isno tye tcomple te. 428
Wheels andtires

The
tirepr essur esarealr eady being moni‐
to re d. #
Com pareth etir epr essur ewit hth ere com‐
mend edtirepr ess urefo rth ecur rent operat‐
ing cond ition (/ page 425). Observeth e
no teson tirete mp eratur e(/ page42 4).
% The values displa yedin themultifunc tiondis‐
pla yma yde viat efrom those ofthetir epr es‐
sur ega ug eas they referto sea leve l.At high
altitudes, thetir epr essur eva lue indic ated by
a pr essur ega ug ear ehigh erthan those
sho wnbytheon- boar dcom puter.In this
case, donotre duce thetir epr essur e.
Mak esur eto obser vethefo llo wing further rela‐
te dsubjec t:
R Noteson tirepr essur e(/ page42 4)
Re star ting thetir epr essur emoni toring sys‐
te m
Re quirement s:
R The recomme ndedtirepr ess ureis cor rectl y
se tfo rth ere spectiv eoper ating status on
eac hof thefo ur wheel s(/ page42 4). Re
star tth etir epr essur emonit oring system in
th efo llo wing situat ions:
R The tirepr essur ehas chang ed.
R The wheels ortires have been chang edor
ne wlyins talled.
On- boar dcom puter:
4 Service 5
Tires #
Swipe down wardson Touc hCon trol on the
lef t-hand sideofthesteer ing wheel.
The Use Current Pressures asNew Refer-
ence Values messag eis sho wninthemulti‐
func tion displa y. #
Tobegin restar t,pr ess Touc hCon trol on the
lef t-hand sideofthesteer ing wheel.
The Tire Press. MonitorRestart edmessag eis
sho wninthemultifunc tiondispla y.
Cur rent wa rning mess ages aredele tedand
th eye llo w0077 warning lam pgoes out.
Af teryo uha ve been driving fora fe w
minut es,thesy stem checks whe ther thecur‐
re nt tirepr ess ures arewi thin thespecif ied
ra ng e. The current tirepr ess ures areth en
accep tedas refere nce values andmon itor ed. Mak
esur eto obser vethefo llo wing further rela‐
te dsubjec t:
R Noteson tirepr essur e(/ page42 4)
Ra dio -equipme ntappr oval of thetir epr es‐
sur emoni toring system
Ra dio equipme ntappr oval number s Co
untr yR adiotype approval number
Ca nada IC:4008C- TSSRE4A
US AF CCID:YG OTSSRE4A Fu
rther information onthedeclar ationofcon ‐
fo rm ity forwir eles sve hicle component s
(/ page25). Ti
re pres sur elo ss wa rning system Fu
nction ofthetir epr essur eloss warning
sy stem
The tirepr essur eloss warning system warnsth e
dr iver by means ofdisp lay messa geswhen ther e
is ase vere tirepr es su re loss. Wheels
andtires 429