2021 MERCEDES-BENZ C-CLASS COUPE Owner's Manual

#
Chec kth eoil leve lag ain (/ page32 4). Chec
kingthecoolant leve l &
WARNIN GRisk ofburnsfrom hotcom‐
ponent partsintheengine compartmen t
Cer tain com pone ntpar tsintheengine com‐
par tmen tcan bevery hot,e.g. theengine,
th ecooler andpartsof theex haus tsy stem. #
Allo wtheengine tocool down and only
to uc hco mp onent partsdescr ibedin
th efo llo wing. &
WARNIN GRisk ofscal ding from hot
cool ant
If yo uopen thecap, youco uld bescalded. #
Letth emo torcool down beforeopening
th ecap. #
When opening thecap, wearprotect ive
gl ove sand safetygl asses . #
Open thecap slowlyto release pres‐
sur e. #
Park theve hicle onaleve lsur face. #
Checkth ecoolant temp eratur edispla yin the
ins trumen tclus ter.
The coolant temp eratur emus tbe inthebo t‐
to m quarterof thete mp eratur edispla y. #
Slowly turncap 1cou nter-cloc kwiseto
re lease overpressur e. #
Continue turning cap1count er-cloc kwise
and remo veit.
The coolan tle ve lis cor rect inthefo llo wing
cases :
R Ifth eengine iscold, thecoolant isup to
mar kerbar 2.
R Ifth eengine iswa rm,th ecoolant isup to
0.6 in(1.5 cm) over mar kerbar 2. #
Ifnecessar y,add coolant that has been
appr ovedfo rMer cedes-Benz.
% Further information oncoolant
(/ page396) Re
filling thewindsh ieldwasher system &
WARNIN GRisk ofburnsfrom hotcom‐
ponent partsintheengine compartmen t
Cer tain com pone ntpar tsintheengine com‐
par tmen tcan bevery hot,e.g. theengine,
th ecooler andpartsof theex haus tsy stem. Maint
enanc eand care32
7

#
Allow theengine tocool down and only
to uc hco mp onent partsdescr ibedin
th efo llo wing. &
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. #
Remo vecap 1bytheta b. #
Refill wa sher fluid.
% Further information aboutthewindshield
wa sher fluid (/ page39 7) Ke
eping theair -water duct free #
Keep thear ea between thehood andthe
winds hieldfree ofdepos its,e.g .ice, snow
and leaves. Cleani
ngand care No
teson washing theve hicl ein acar wash &
WARNIN GRisk ofacci dent dueto
re duced braking effect afte rwa shing the
ve hicle
The braking effect isreduced afte rwa shing
th eve hicle. #
Afterth eve hicle hasbeen washed,
br ak ecar efully whilepaying attention to
th etraf fic condi tions untilth ebr aking
ef fect hasbee nful lyrestor ed. 328
Maintenance andcare

*
NO
TEDama gefrom automatic braking If
one ofthefo llo wing functionsis switc hed
on, theve hicle brak es aut omatically incer‐
ta in situat ions:
R ActiveBr ak eAssi st
R ActiveDis tance AssistDIS TRONI C
R HOLD functio n
R ActivePa rking Assist
To avo iddamag eto theve hicle, deactiv ate
th ese systems inthefo llo wing orsimilar sit‐
uation s: #
Dur ing towing #
Inacar wash *
NO
TEDama gedue touns uitable car
wa sh #
Beforedr iving intoacar wash mak e
sur eth at thecar wash issuit able for
th eve hicle dimensions. #
Ensur eth er eis suf ficie ntgrou nd clear‐
ance between theunderbody andthe
guide rails ofthecar wash. #
Ensur eth at theclear ance widthof the
car wash, inpar ticular thewidt hof the
guide rails, issuf ficie nt. To
avo iddamag eto your vehicle when usinga
car wash, ensur eth efo llo wing beforehand:
R ActiveDis tance AssistDIS TRONI Cis de acti ‐
va ted.
R The HOLD function isswitc hedoff.
R The surround viewcam eraor there ar vie w
cam erais swit ched off.
R The side windo wsand slidin gsun roof are
com pletely clos ed.
R The blowe rfo rth eve ntil ation/he ating is
sw itched off.
R The windsh ield wipe rsw itchis in po sitio n
005A.
R The Sma rtKe yis at amin imum distance of
10 ft(3 m) away from theve hicle. Other wise
th etrunk lidcould openunintentionall y. R
Forcar washes withacon veyo rsy stem:
- Neutr al005C iseng aged.
- Ifyo uwo uld liketo lea vetheve hicle while
it is being washed, makesur eth eSmar t‐
Ke yis loc ated intheve hicle. Thepark
position 005Disother wise automatically
eng aged.
% If,afte rth ecar wash, youre mo vethewa x
fr om thewindshield andwiper rubber s,this
will preve ntsme aring and reduce wiper
noise. No
teson using apo we rwa sher &
WARNIN GRisk ofan acci dent when
us ing powe rwa sher swit hro und -spr ay
nozzl es
The waterje tcan caus eex tern all yin visi ble
damag e.
Com ponentsdamag edinthis wa yma yune x‐
pec tedly fail. Maint
enanceand care329

#
Donotus eapo we rwa sher withro und-
spra yno zzles. #
Have damag edtires orchassis parts
re placed immediat ely. To
avo iddamag eto your vehicle, observethefo l‐
lo wing when usingapo we rwa sher :
R The Smar tKey isat amin imum distance of
10 ft(3 m) away from theve hicle. Other wise
th etrunk lidcould openunintentionally .
R Maint ainadis tance ofat leas t11 .8 in
(30 cm) totheve hicle.
R Vehicl eswith decorativ efo il: par tsof your
ve hicle areco veredwit hadecor ativefo il.
Maint ainadis tance ofat leas t27 .6 in
(70 cm) between thefo il-c ove redpar tsof the
ve hicle andthenoz zleofthepo we rwa sher .
Mo vethepo we rwa sher nozzlearound whilst
cleaning. Thewaterte mp eratur eof the
po we rwa sher mustno tex ceed 140°F
(60°C ).
R Obse rveth einf ormation onthecor rect dis‐
tan ceintheeq uipment manufacturer'soper‐
ating instruction s. R
Donotdir ect thenoz zleofthepo we rwa sher
dir ectl yat sensitiv epar ts,e.g. tires, gaps,
elect rical com pone nts,batter ies, light sour‐
ces and ventil ation slits. Wa
shing theve hicl eby hand *
NO
TEEngi nedama gedue towa ter
ing ress #
Take car eno tto point thewa terje t
dir ectly towa rdsth eair inle tgr ille belo w
th ehood. Obser
vetheleg alrequ iremen ts,e.g. inanumb er
of coun tries, washing byhand isonl yper mitt ed
in specially designatedwash bays. #
Use amild cleaning agent, e.g.carsham poo. #
Washtheve hicle withluk ewa rmwaterusi ng
a sof tcar spong e.When doingso,donot
ex pose theve hicle todirect sunlight . #
Carefully hosetheve hicle offwit hwa terand
dr yusi ng ach amois . %
Obse rveth eno teson thecar eof vehicle
par ts(/ page332). No
teson paint work/ma tte finish paint work
car e Obse
rveth eno teson cleaning andcareto avo id
damagin gth epaintw ork.
Pa int
R Insect remains: soakwithinsect remo verand
ri nse offth etreat edareas afte rw ards.
R Birddr oppin gs:soak withwa terand rinse off
af te rw ards.
R Tree resin, oils, fuels andgreases: remo veby
ru bbing gentl ywi th aclo thsoak edinpe tro‐
leum ether orlight erfluid.
R Coolan tand brak efluid: remo vewit hadam p
clo thand clean water.
R Tarst ains :use tarre mo ver.
R Wax:usesilicone remo ver.
R Donotatt achsticke rs,fi lms orsimilar mate‐
ri als.
R Remo vedirtimmediat ely,wher epossible. 330
Maintenanc eand care

Matt
efinish
R Onlyuse carepr oducts approvedfo r
Mer cedes-Ben z.
R Donotpolish theve hicle andalloywheels.
R Onlyuse carwashes that cor respond tothe
lat estengin eering standar ds.
R Donotuse carwash progr ams withafinal
ho twa xtrea tment.
R Donotus epa int cleane rs,buf fing orpolish‐
ing prod ucts ,gl oss preser vers,e.g. wax.
R Alw aysha ve paintw orkre pair scar ried out at
a qu alif ied spec ialistwo rkshop. No
teson cleaning decorativefo ils Obser
vetheno teson matt efinis hcar ein the
ch ap ter"No teson paintw ork/matt efinis hpa int‐
wo rkcar e"(/ page 330) .The yal so app lyto
matt edecor ativefo ils.
Obser vetheno teson cleaning decorativefo ils to
av oid vehicle damag e. Cleaning
R Forclea ning, useplenty ofwa terand amild
clea ning agent without additivesorabr asive
subs tances, e.g.a car shampooappr oved for
Mer cedes-Ben z.
R Remo vedirtimmediat ely, wher eposs ible,
whils tavo iding rubbing toohar d.Ther eis
ot her wise arisk ofdamagi ngthedecor ative
fo ilirre par ably.
R Ifth er eis dir ton thefinis hor ifth edecor a‐
tiv efo ilis dull: usethePa int Cleaner recom‐
mend edand approv ed forMer cedes-Benz.
R Insect remains: soakwithinsect remo verand
ri nse offth etreat edareas afte rw ards.
R Birddr oppin gs:soak withwa terand rinse off
af te rw ards.
R Topreve ntwa terst ains ,dr ya fo il-wr apped
ve hicle withasof t,absorbent clothafte r
eve rycar wash.
Av oiding dama getothedecor ative fo il
R The service life and color ofdecor ativefo ils
ar eim pair edby:
- Sunl ight -
Temp eratur e,e.g. hotair blower
- Weather condition s
- Stone chipping sand dirt
- Chemic alclean ingagent s
- Oilypr oduct s
R Donotuse polish onmatt edecorativ efo il.
Po lishin gwill have theef fect of shi ning the
fo il-wr apped surface.
R Donottr ea tmatt eor stru ctur eddeco rativ e
fo ils wit hwa x.Pe rm anen tst ains mayocc ur.
Sc ratche s,cor rosiv edeposits, areas affect ed by
cor rosion anddamag ecaused byinc orrect car e
canno tal wa ys be com pletely repair ed.Insuc h
cases, visitaqu alif ied spec ialistwo rkshop.
Yo ucan obtain mor einf ormat iononcar eand
cle anin gpr oduc tsfrom themanuf acturer.
In thecase offoil-wrapped surfaces, optica ldi f‐
fe re nces mayoccu rbe twee nth esur faces that
we renotpr otect edbyadec orativ efo ilaf te r
re mo ving adecor ativefo il. Maint
enanceand care33
1

%
Have wo rkor repair sto decor ativefo ils car‐
ri ed out ataqu alif ied spec ialistwo rkshop,
e.g. atan aut hor ized Mercedes-Benz Center. No
teson car eof vehicl epar ts &
WARNIN GRisk ofentr apment ifth e
winds hieldwiper sar eswit ched on while
th ewindshield isbeing cleaned
If th ewindshield wipersar ese tin mo tion
while youar ecle anin gth ewindshield or
wiper blades, youcan betrapped bythe
wiper arm. #
Alw aysswitc hof fth ewindshield wipers
and theignition beforecleanin gth e
winds hieldorwiper blades. &
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 8).
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 5). 33
2
Ma inte nance andcare

R
When usingapo 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. No
teson car eof theint erior &
WARNIN GRisk ofinju ryfrom plastic
par tsbreakin gof faf te rth euse ofsol‐
ve nt-ba sedcarepr od ucts
Ca reand cleanin gpr oduc tscon tainin gsol‐
ve nts can causesurfaces inthecoc kpit to become
porous. When theairbags are
deplo yed, plas ticpar tsma ybr eak away. #
Donotus ean ycar eor cle ani ng prod ‐
ucts containing solvents tocle an the
coc kpit. &
WARNIN GRisk ofinju ryor deat hfrom
bleac hedseat belts
Bleac hingordyeing seat belts canseverely
we aken them.
This can, forex am ple, caus eseat beltsto
te ar or failin an acc ident . #
Neverblea chordyeseat belts. To
avo iddamag eto theve hicle, observethefo l‐
lo wing noteson cleaning andcare:
Seat belts
R Clea nwit hluk ewa rmand soap ywa ter.
R Donotus ech emical cleaningag ent s.
R Donotdr yby heating them toove r17 6°F
(80°C )or exposing them todirect sunlight .Displa
y
R Switc hof fth edispla yand letit cool down.
R Clean thesur face car efu llywith amic rofiber
clo thand asuit able displa ycar epr oduc t
(TF T-LC D).
R Donotus ean yot her agents.
Plas tictrim
R Clea nwit hadam pmicr ofiber cloth.
R Forhea vysoil ing: useaclea nerrecomme n‐
ded forMer cedes-Benz.
R Donotatt achsticke rs,fi lms orsimilar mate‐
ri als.
R Donotallo wcos metics,ins ect repellent or
sun cream tocome incont actwith theplas‐
tic trim.
Re alwo od and trim elemen ts
R Clean withamic rofiber cloth.
R Blackpiano-lac quer look: clean withadam p
clo thand soap ywa ter.
R Forhea vysoil ing: useaclea nerrecomme n‐
ded forMer cedes-Benz. Mai
ntenance andcare333

R
Donotus esol vent-ba sedcleani ng agents,
po lishe sor wa xes.
Headliner R Clea nwit habr ush ordrysham poo.
Car pet
R Use acar petand textil ecle ani ng agent rec‐
omme ndedforMer cedes-Benz.
Ste ering wheel madeofgenuine leather or
DIN AMIC A
* NO
TEDama gecau sed bywrong clean ers #
Donotuse solvent-bas edclean ing
ag ent ssuc has tarre mo veror whee l
clea ner;neit her shou ldyouuse pol‐
ishe sor wa xes. Ot her wise youma y
damag eth efinis h. R
Clea nwi th adam pclo thand 1%soap ywa ter
solution andthen wipe withadr yclo th.
R Forhea vysoil ing: useaclea nerrecomme n‐
ded forMer cedes-Benz.
R Leat hercare:use alea ther car eag ent that
has been recomme ndedforMer cedes-Benz. R
Donotall ow theleat her tobecome too
dam p.
R Donotuse amicr ofiber cloth.
% Leat herisanatur alproduct. Ithas natur al
sur face prope rties, suchas differe nces in
st ru ctur e,mar kscau sed bygrow thand
inj uryor subt lecol ordiffere nces.
Gen uinele ather seat covers
R Clean withadam pclo thand then wipe witha
dr yclo th.
R Leat hercare:use alea ther car eag ent that
has been recomme ndedforMer cedes-Benz.
R Donotall ow theleat her tobecome too
dam p.
R Donotuse amicr ofiber cloth.
DIN AMIC Asea tco vers
R Clean withadam pclo th.
R Donotus eamic rofiber cloth.
Imita tionleather seat covers
R Clean withadam pclo thand 1%soap ywa ter.
R Donotus eamic rofiber cloth. Fa
bric seat covers
R Clean withadam pmic rofiber clothand 1%
soap ywa terand allow todry. 33
4
Maint enanc eand care