2020 MERCEDES-BENZ CLA COUPE light

*
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

Ex
am ple: eng inecompar tment #
Slide cover1 ofposi tiveclam p2 onthe
jum p-starting con nection point inthedir ec‐
tion ofthear row . #
Con nect posi tiveclam p2 onyour vehicle to
th epositiv epole ofthedonor batteryusing
th ejum per cable/c harging cable. Always begin
withpositiv eclam p2 onyour ow n
ve hicle firs t. #
During star ting assistance :st ar tth e
engine ofthedonor vehicle andrunat idle
spe ed. #
Connect theneg ativepole ofthedonor bat‐
te ry and grou nd point 3 ofyour ow nve hicle
by usin gth ejum per cable/c harging cable.
Begin withth edonor batteryfirs t. #
During star ting assistance :st ar tth e
engine ofyour ow nve hicle. #
Dur ing thech argin gpr oc ess :st ar tth e
ch argin gpr oce ss. #
Dur ing star ting assistance :le tth eengines
ru nfo rse veralmin utes. #
Dur ing star ting assistance :bef oredis con‐
necting thejum per cable, switchon anelec‐
tr ical consumer inyour ow nve hicle, e.g.the
re ar wind owheat eror lighting.
When thest ar tin gassis tance/c harging proce ss
is com plet e, per form thefo llo wing steps: #
First,re mo vethejum per cable/c harging
cable from ground point 3and theneg ative
pole ofthedonor battery, then from positiv e
clam p2 and thepositiv epole ofthedonor
batt ery. Begi nea ch tim ewi th thecon tacts
on your ow nve hicle firs t. #
Afterre mo ving thejum per cable/c harging
cable, closecover1 ofposi tiveclam p2.
Fu rther information canbeobt ained ataqu ali‐
fi ed specialis two rkshop. Re
plac ingthe 12Vbatt ery #
Obs erve theno teson the12 Vbatt ery
(/ page40 7).
Mer cedes-Benz recomme ndsthat youha ve the
12 Vbatt eryre placed ataqu alif ied spec ialist
wo rkshop, e.g.atan aut hor ized Mercedes-Benz
Cent er. 41
2
Brea kdo wnassista nce

R
Impai reddr iving comfort
R Suscep tibilitytodamag e &
WARNIN GRisk ofacci dent caused by
re peat eddrop intirepr essur e
If th etir epr essur edr ops repeat edly,th e
wheel, valve or tirema ybe damag ed.
Ins ufficie nttirepr ess urecan causethetir es
to bur st. #
Inspect thetir efo rsigns offore ign
obje cts. #
Chec kwhe ther thewheel orvalve has a
leak . #
Ifyo uar eunab leto rectify thedamag e,
con tact aqu alif ied spec ialistwo rkshop. Yo
ucan find informa tionon tirepr ess ures for
th eve hicle's fact or y-ins talled tires on thefo llo w‐
ing labels:
R Tire and Loadi ngInfo rm atio nplacar don the
B‑pil larof your vehicle (/page43 1).
R Tire pressur eta ble ontheinside ofthefuel
fi ller flap (/ page42 5). Obse
rveth emaximum tirepr essur e
(/ page43 7).
Use asuit able pressur ega ug eto checkth etir e
pr essur e.The outerappear anceofatir edoes
no tper mit anyre liable conclusion aboutthetir e
pr essur e.
Ve hicl eswith atir epr ess uremonit oring sys‐
te m: Youcan also checkth etir epr essur eusing
th eon- boar dcom puter.
Onl ycor rect tirepr ess ures whenth etir es are
cold. Condition sfo rcold tires:
R The vehicle hasbeen parkedwit hth etir es
out ofdir ect sunlight forat lea stthre ehour s.
R The vehicle hastrave led less than 1mile
(1 .6 km ).
A rise inthetir ete mp eratur eof 18 °F(10 °C)
incr eases thetir epr essur eby appr ox.10 kPa
(0. 1ba r/1 .5psi ).Ta ke this int oacc ount when
ch ecking thetir epr essur eof wa rm tires.
Th etir epr es su re recomme ndedforincr ease d
loa d/spee din thetir epr essur eta ble can affect
th eride comf ort. &
WARNIN GRisk ofacci dent dueto
uns uitable accessories ontireva lve
If yo umoun tuns uitable accessories onto tire
va lves, thetir eva lves ma ybe ove rloaded and
malfunct ion,whic hcan cause aloss oftire
pr essur e.Afterm arke ttir epr es su re monit or‐
ing systems willcause thetir eva lve to
re main open, depending onthedesign. This
can also result inaloss oftirepr essur e. #
Onlyscr ew standar dva lve caps orvalve
cap sspe cifica llyapprove dby
Mer cedes-Ben zfo ryo ur vehicle onto
th etir eva lve. Ti
re pres sur etab le The
tirepr ess ureta ble ison theinside ofthe
fuel filler flap.
% The datasho wnintheimag esisexam ple
dat a. Whee
lsand tires 425

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

Pr
eceding letter 1 1:
R Without :passeng ervehicle tires accor dingto
Eur opeanma nuf actu ring standar ds.
R "P": passe nger vehicle tires accor dingtoUS
manuf acturingstandar ds.
R "LT": light truc ktir es acc ordin gto US manu‐
fa ctur ingstandar ds.
R "T": com pact emer gency sparewheels with
high tirepr essur eth at areon lyde signe dfo r
te mp orar yuse inan emer gency .
As pec tra tio 3 3:
Ra tio betwee ntir ehe ight and tirewi dthin pe r‐
cent (tire height divided bytirewi dth).
Tir eco de 4 4
(tire type ):
R "R"ra dial tire
R "D": bias plytire
R "B": bias beltedtires
R "ZR": radial tirewit hamaximum speedabove
14 9mp h(2 40 km/h) (optional) Rim
diame ter5 5:
The diam eter ofthebead seat(notth ediame ter
of therim flang e).The rim dia me teris specif ied
in inc hes (in).
Load-be aring inde x6 6:
Numer icalcode that spec ifies themaximum
load-bear ingcapacity ofatir e(e.g. "91" cor re‐
sponds to1356 lbs (615 kg)).
The load-bear ingcapacity ofthetir emus tbe at
leas thalf theper missible axleload ofyour vehi‐
cle. Donotove rload thetir es by exc eeding the
specif iedload limit.
See also:
R Maximum permissible loadontheTire and
Loadi ngInfo rm atio nplacar d(/ page43 1)
R Max imum tireload (/page43 7)
R Load index
Speed ratin g7 7:
Spe cifiesth eappr ovedmaximum speedofthe
tir e. %
Anelectr onicsp ee dlimi terpr eve nts your
ve hicle from exceeding aspeed of130mp h
(2 10 km/h) .
Ma kesur eth at your tires have there qu ired
speed rating .Yo ucan obtain informat iononthe
re qu ired speed rating from anauthor ized
Mer cedes-B enzCent er.
Summ ertires Inde
xS peedra tin g
Qu pto 100mp h(1 60 km/h)
Ru pto 106mp h(170 km/h)
Su pto 112mp h(1 80 km/h)
Tu pto 118mp h(1 90 km/h)
Hu pto 130mp h(210 km/h)
Vu pto 149mp h(2 40 km/h)
Wu pto 168mp h(2 70 km/h)
Yu pto 186mp h(3 00 km/h) Whee
lsand tires 439

Inde
xS peedra tin g
ZR ...Y 1
upto186mp h(3 00 km/h)
ZR ...(..Y) 1
over18 6mp h(3 00 km/h)
ZR 1
over14 9mp h(2 40 km/h) R
Specifying thespeed rating asthe"ZR" index
in tirecode 4isop tion alfortir es up to
18 6mp h(3 00 km/h) .
R Ifyo ur tireco de 4 includes "ZR"andther e
is no speed rating 7,find outwh atthemax‐
imum speed isfrom thetir emanuf acturer.
R Ifload-bear inginde x6 and speed rating 7
ar ein brac kets, themaximum speedrating of
yo ur tireis abo ve186mp h(300 km/h). To
fi nd outth emaximum speed,askthetir e
manuf acturer. All-w
eather tires and wint ertires Inde
xS peedra tin g
Q M+S 2
upto100mp h(1 60 km/h)
T M+S 2
upto118mp h(190 km/h)
H M+S 2
upto130mp h(210 km/h)
V M+S 2
upto149mp h(2 40 km/h) Wi
nter tires bear the004D snowflak esymbol
and fulfillthere qu iremen tsof theRu bber Manu‐
fa ctur ersAssoci ation (RMA) andtheRu bber
Assoc iation ofCanada (RAC)rega rding thetir e
tra ction onsno w.
Load index8 8:
R Nospec ificat ion given: standar dload (SL)
tir e
R "XL" or"Ex tra Load": extra load tireor rein‐
fo rc ed tire
R "Light Load": lightloadtire R
"C", "D", "E":aload rang eth at depen dson
th emaximum loadthat thetir ecan carryata
cer tain pressur e Def
inition ofterm sfo rtir es and loadin g
Ti re stru ctu reand charact eristics :descr ibes
th enumber oflaye rs or thenumber ofrubber -
coat edbelts inthetir econ tact surface and the
tir ewa ll.These aremade ofsteel, nylon, poly‐
es terand other materials.
Bar: metric unit fortir epr essu re.
14 .5038 pounds persquar einc h(p si) and
10 0kilop ascal(kP a)istheeq uiv alent ofone bar.
DO T(Depar tment ofTranspo rtation ):DO T-
mar kedtir es fulf illthere qu iremen tsof the
US Depar tment ofTrans portatio n.
Av erag ewe ight oftheve hicl eoc cupants: the
num berof vehicle occupants forwhi chtheve hi‐
cle isdesigned, multiplied by150lb (68 kg).
1 "ZR" stat ed inthetir ecode.
2 Or "M+S 004D" forwint ertires 44
0
Wheels andtires

&
WARNIN G‑Ri sk offire and injuryfrom
wind shieldwa sher concen trat e
Wi ndsh ield wa sher concen trat eis highl y
fl ammab le.Itcoul dign ite if it com esinto
con tact with hotengine component partsor
th eex haus tsy stem. #
Mak esur eth at no wind shieldwa sher
concen trat espills outnext to thefiller
open ing. *
NO
TEDama getotheex terior lighting
due touns uitable windshieldwa sher fluid Uns
uitable windshieldwa sher fluid maydam‐
ag eth eplas ticsur face oftheex terior light‐
ing. #
Onlyuse windshield washer fluid whic h
is also suitable foruse onplastic sur fa‐
ces, e.g.MBSumm erFitor MB Winter‐
Fit. *
NO
TEBlocked spr aynozzl escau sed by
mixing windshieldwa sher fluids #
Donotmix MBSum merFitand MBWin‐
te rFit withot her windshield washer flu‐
ids. Do
notuse distilled orde- ionizedwa teras thefill
le ve lsen sor maybe trigg ered erro neou sly.
Re comme ndedwindsh ield wa sher fluid:
R Abo vefreezing point:e.g. MBSummerFi t
R Belo wfreezing point:e.g. MBWinterFi t
Fo rth ecor rect mixi ngratio ,re ferto theinf orma‐
tion ontheantif reeze container .
Mix thewa sher fluid withth ewindshield washer
fl uid allyear round . Re
frig er ant No
teson refrig er ant
Obser vetheno teson oper ating fluids
(/ page45 9). *
NO
TEDama gedue toinc orrect refrig er‐
ant If
anon-appr ovedre frig er ant isuse d,thecli‐
mat econ trol system maybe damag ed. #
Onlyuse there frig er ant R‑134a *
NO
TEDama getotheclimat econ trol
sy stem due toinc orrect refrig er ant com‐
pr essor oil #
Onlyuse refrig er ant com pressor oilthat
has been approvedby Mer cedes-Ben z. #
Donotmix theappr ovedre frig er ant
com pressor oilwithadif fere nt refrig er‐
ant com pressor oil. Wo
rkon theclimat econ trol system maybe car‐
ri ed out onlyby aqu alif ied spec ialistwo rkshop.
All appli cable regulations, aswellas SAEstand‐
ar dJ63 9,mus tbe adher edto.
The information labelontheclimat econ trol sys‐
te m forth ere frig er ant type andthere frig er ant
com pressor oilisloca tedon theinside ofthe
hood. Te
ch nica lda ta 465

Occupant
safety Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0075 SRS Malfunct ionServic e
Required *T
herestra int system ismalfunct ioning(/page34). &
WARNIN GRisk ofinju rydue tomalfu nctions inthere stra int system
If th ere stra int system ismalfunct ioning,restra int system com ponen tsma ybe trigg ered unint entionally orma y
no tdeplo yas intended during anacciden t.This mayaf fect theEmer gency Tensi oni ng Device sor airba gs, for
ex am ple. #
Have there stra int system checkedand repair edimmediat elyataqu alif ied spec ialistwo rkshop. Re
cogni tionofare stra int system malfunct ion:
R The 0075 restra int system warning lam pdoes notlight upwhen theignition isswitc hedon.
R The 0075 restra int system warning lam plight sup con tinuousl yor repeat edlydur ing ajour ney. #
Con sult aqu alif ied spec ialistwo rkshop immediat ely.
0075
Front LeftMalfuncti on
Servi ceRequire d(exa mp le) *T
hecor responding restra int system ismalfunct ioning(/page34). &
WARNIN GRisk ofinju rydue tomalfu nctions inthere stra int system
If th ere stra int system ismalfunct ioning,restra int system com ponen tsma ybe trigg ered unint entionally orma y
no tdeplo yas intended during anacciden t.This mayaf fect theEmer gency Tensi oni ng Device sor airba gs, for
ex am ple. #
Have there stra int system checkedand repair edimmediat elyataqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 469