2021 MERCEDES-BENZ C-CLASS COUPE trunk

%
Dep endingonthemodel, thetir ech ang e
to ol kit maybe locat edatother positions
under thetrunk floor . 1
Lugwr enc h
2 Folding choc k
3 Jack Pr
epar ingtheve hicl efo ra wh eelch ang e Re
quirement s:
R The requ ired tire-c hang eto ol kit isavailable.
If yo ur vehicle isno teq uipped withth etir e-
ch ang eto ol kit, consult aqu alif ied spec ialist
wo rkshop tofind outab ou tsu itab letools. R
The vehicle isno ton aslope.
R The vehicle ison solid, non-slipper yand leve l
gr ou nd . #
Apply theelectr icpar king brak emanually . #
Movethefront wheels tothest ra ight -ahead
posit ion. #
Vehicl eswith automatic transmiss ion:
Shif tint oposi tion 005D. #
Vehicl eswith leve lcontr olsystem: Setth e
nor malve hicle leve l(/ page18 8). #
Swi tchof fth eengine. #
Mak esur eth at theengine cannotbe star ted. #
Place choc ks orother suitable items under
th efront and rear ofthewheel that isdiago‐
nall yoppos ite th ewheel youwish tochang e. #
Ifnec essar y,remo vethewheel trim/hub
caps (/page38 1). #
Raise theve hicle (/page382). Re
mo ving and inst alli ng thewheel trim/h ub
cap s Re
quirement s:
R The vehicle isprepar edfora whee lch ang e
(/ page38 1).
Pla stic hub cap #
Toremo ve:tur nth ecent ercoverof thehub
cap count er-cloc kwise andremo vethehub
cap. #
Toins tall: makesur eth at thecent ercover
of thehub capistur ned count er-cloc kwise. #
Position thehub capand turnth ecent er
co vercloc kwise untilthehub capengages
ph ysicall yand audibly . Wheels
andtires 38
1

Alum
inum hubcap #
Toremo ve:po sitio nsoc ket2 from thetir e-
ch ang eto ol kit onhub cap1. #
Position wheel wrenc h3 onsoc ket2. #
Usingwheelwr enc h3, turnhu bcap 1
cou nter-clo ckwise andremo veit. #
Toins tall: follo wtheins truction sabo vein
re ve rseor der .
% Specif iedtight ening torq ue: 18lb-f t
(25 Nm). Ra
ising theve hicl ewhe nch angi ngawhe el Re
quirement s:
R Ther ear eno per sons intheve hicle.
R The vehicle hasbeen prepar edfora whee l
ch ang e(/ page38 1).
R The wheel trims and hub caps have been
re mo ved(/ page38 1).
Im por tant noteson using thejac k:
R Use onlya ve hicle-specif icjac kth at has
been approved byMer cedes-Ben zto raise
th eve hicle.
R The jackis onl ydesigned forra ising and
holdin gth eve hicle fora shor ttime whilea
whee lis being chang edand notfo rmaint e‐
nance workund ertheve hicle.
R The jackmus tbe placed onafirm ,fl at and
no n-slip surface. Ifneces sary,use alar ge,
fl at, load- bearing,no n-slip unde rlay .
R The foot ofthejac kmus tbe position edverti‐
call yunder thejac ksuppor tpoint . Ru
les ofcon duct when theve hicle israised:
R Neverpla ceyour han dsorfeet und erthe
ve hicle.
R Neverlie under theve hicle.
R Donotst ar tth eengine anddonotre lease
th eelectr icpar king brak e.
R Donotopen orclose anydoor sor thetrunk
lid. 382
Wheels andtires

#
Neverins tallmor eth an oneemer gency
spa rewheel orspar ewheel that dif fers
in size . #
Onlyuse anemer gency sparewheel or
spar ewheel ofadif fere nt size briefly. #
Donotsw itchof fESP ®
. #
Have theemer gency sparewheel or
spar ewheel ofadif fere nt size replaced
at thenear estqu alif ied spec ialistwo rk‐
shop. Thenewwheel mustha ve the
cor rect dimensi ons. %
The eme rgency sparewheel issec ured inthe
emer gency sparewheel baginthetrunk .
Obser vethefo llo wing noteson installing an
emer gency sparewheel:
R Chec kth etir epr essur eof theemer gency
spa rewheel installed. Correct thepr essur e
as neces sary.
R The maximum permissible speedwithan
emer gency sparewheel installed is50 mph
(80 km/ h). R
Donoteq uip theemer gency sparewheel
wit hsn ow chains .
R Replace theemer gency sparewheel afte rsix
ye arsat thelat est,re ga rdless ofwe ar.
% Ve
hicl eswith atir epr ess urelos swa rn‐
ing system: Ifan emer gency sparewheel is
ins talled thetir epr essur eloss warning sys‐
te m canno tfunction reliabl y.Onl yre star tth e
sy stem again when theemer gency spare
wheel hasbeen replaced withane wwheel.
Ve hicl eswith atir epr ess uremonit oring
sy stem: Ifan emer gency sparewheel is
ins talled thetir epr essur emonit oring system
cann otfunction reliabl y.Fo ra fe w min utes
af te ran emer gency sparewheel isins talled,
th esy stem mayst ill displa yth etir epr essur e
of there mo vedwheel. Onlyre star tth esy s‐
te m again when theemer gency sparewheel
has been replaced withane wwheel.
Be sureto also obse rveth efo llo wing further
re lat ed subje cts:
R Noteson tirepr essur e(/ page358)
R Tire and Loadi ngInfo rm atio nplacar d
(/ page36 5) R
Tire pressur eta ble (/ page360)
R Noteson installing tires (/ page37 7) Whee
lsand tires 38
7

If
yo ur vehicle hasinstallation sfo rtw o-w ayradio
eq uipment ,use thepo we rsupp lyand antenn a
con nectors prov ided inthepr e-ins tallation .
Obser vethemanuf acturer'ssupplement swhen
ins talling.
Tw o-w ayradio transmi ssion output
The maxi mum transm ission outpu t(PEAK) atthe
base oftheant enn amus tno texc eed theva lues
in thefo llo wing table.
Fr eq uency bandandmaxim um transm ission
out put Fr
eq uency band Maximumtransm is‐
sion output
Sho rtwa ve
3 -54 MHz (1
00 W)
4 m freq uency band
74 -88 MHz (30
W)
2 m frequency band
14 4-17 4MHz (50
W) Fr
eq uency band Maximumtransm is‐
sion output
Te rres trial Trunk ed
Ra dio (TETRA)
380 -460 MHz (1
0 W)
70 cm freq uency
band
420 -450 MHz (35
W)
Tw o-w ayradio
(2G/3G/ 4G) (1
0 W) The
follo wing canbeused intheve hicle without
re strictions :
R Two-w ayradios withamaximum transmis ‐
sion output ofup to100mW
R RFtransmi tter swit htransmi tter freq uenci es
in the380 -41 0MHz freq uency bandanda
maximu mtransmi ssionoutpu tof up to2W
(TETR A)
R Mobi lephones (2G/3G/4G) There
areno restrictions whenpos itioning the
ant enn aon theoutside oftheve hicle forth efo l‐
lo wing freq uenc ybands :
R Terres trial Trunk edRadio (TETRA)
R 70cm freq uency band
R 2G/3G/ 4G Ra
dio ope ratin gper mits forve hicl eco mp o‐
nent s
Manuf acturer informat ionabout wireless vehicle
com ponent scan befound usingth eke yphr ase
"R adio operating per mits"intheDigit alOper a‐
to r's Manua lin theve hicle, ontheInt erne tand
in theapp. Te
ch nica lda ta 389

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0084 *T
hetrunk lidisopen. &
DANG ER Risk ofexhaus tga spoisoning
Combus tionengines emitpoisonous exhaus tga ses suchas carbon monoxide.Exhaus tga ses can enterthe
ve hicle interior ifth etrunk lidisopen when theengine isrunning ,esp ecially ifth eve hicle isin mo tion. #
Alw aysswitc hof fth eengine beforeopening thetrunk lid. #
Neverdr ive wit hth etrunk lidopen. #
Close thetrunk lid.
006F
Rear LeftBack restNot
Latc hed (exa mp le) *T
heseat backres tof thecor responding seatisno teng aged. #
Foldtheseat backres tbac kuntil iteng ages.
006F Fron tLeft Seat Backrest
Not Lock ed(exa mp le) *T
heseat backres tof thecor responding front seat isno teng aged. #
Foldtheseat backres tbac kuntil iteng ages. 41
2
Display messa gesand warning/ indic ator lam ps

Fo
lding in/out.. .....................................1 20
Oper ating thememor yfunc tion.............. 99
Pa rking posit ion............................... ...... 122
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 120 F
Fa tig ue detection
see ATTENTION ASSIST
Fa vo rite s
Ad ding. .... ........................................ ...... 230
Calling up.......................................... .... 230
Dele ting.... ........................................ .....2 30
Mo ving........... ................................... .... 230
Ov ervie w.... ....... ....... ............................ .229
Re nam ing<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>230
Fi rs t-aid kit(sof tsi ded) <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> ......336
Fl aco n
Inse rting/ remo ving .............................. .1 26
Flat tire
Cha nging awhe el....... ........................... 381
MOExt ended tires ....... ........................... 337
No tes... .................................................3 36
TIREFIT kit............. ................................ 338 Flat
towing
see Tow- bar system
Floor mats.................................................. 110
Fo ilco vering
Ra dar and ultrasonic sensors................ 155
Fr ag rance
see Perfume atomiz er
Fr ee sof tware.. ............................................ 34
Fr eq uencies
Tw o-w ayradio .................................. .....3 89
Fr ont airbag (driver ,fr ont passeng er).......4 2
Fr ont passeng erseat
see Seat
Fu el
Ad ditiv es.......................................... .....3 94
E1 0.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 393
Fu elreser ve<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 394
Ga sol <004C005100480011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 393
Qua lity (gas oline ).<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 393
Re fuel ing.... ...........................................1 45
Sulfu rcont ent............ ........................... 393
Ta nk cont ent<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> ...............394 Fu
nction seat
see Door controlpanel
Fu ses
Bef orere placing afuse .......................... 353
Dashboar dfuse box.............................. 355
Fu se assignment diagram..................... 353
Fu se boxin theengine compartmen t.... 354
Fu se boxin thefront -passen gerfo ot ‐
we ll....................................................... 355
Fu se boxin thetrunk... .........................3 56
No tes... .................................................3 53
Fu ses
see Fuses G
Gar agedoor opener
Clea ring thememor y.... .........................1 51
Opening orclosing thedoor.. ................. 151
Pr ogr amming buttons. ........................... 149
Re sol ving problems ...............................1 50
Sync hronizing thero lling code.. .............1 50
Gas station search
St artin gaut omat icsear ch<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 251 Inde
x47
7

see
Pets intheve hicle
see PRE-S AFE®
(anticipat oryoccu‐
pant protect ion)
see PRE-S AFE®
PL US (antic ipatory
occupant protect ion plus)
see Restra int system
see Seat belt
Oil see Engine oil
On-boar dcom puter
Displa yingtheser vice duedate............. 321
Hea d-upDisp lay <0050004800510058001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 209
Mu ltifuncti ondispl ay<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 208
Ope rating ........... ...................... .............207
Ov ervie wof menu s................. ...............207
On -bo arddia gnostic sin te rface
see Diag nostics connection
Onl ine services
Dat ast or ag e... ......... ................................ 32
Open-sour cesof tware................................3 4
Opening thetrunk lidusing your foot
HANDS-FREE ACCES S.<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 73Oper
ating fluids
Ad ditiv es(fuel). ................................ .....3 94
Br ak efluid ........................................ .....3 95
Coo lant (engi ne)..... ...............................396
Engine oil....... ........................................ 394
Fu el(gasoline) ................................. ...... 393
No tes... ............................................. ..... 391
Re frig er ant (airconditio ningsystem).. ...397
Wi ndsh ield wa sher fluid .................... .....3 97
Oper ating safety
Decl arati on ofconf ormity (wirel ess
ve hicle component s)... ..................... .......2 5
Inf ormation .......................................... .... 24
Oper ating system
see On-bo ardcom puter
Oper ator' sMan ual
Ve hicle equipment ........................... ........ 22
Oper ator's Manual (digital)........................ 20
Op timized acceleratio n
Ac tivati ng........... ................................. ..132
Ov erhead controlpanel
Ov ervie w... ....................................... .......1 4 P
Pa int code.. ................................................ 390
Pa intw ork(cleaning instructions) ...........3 30
Pa nic alar m
Ac tivati ng/d eactiv ating........... ................64
Pa nor ama roof wit hpo we rtil t/s lidin g
pane l
see Sliding sunroo f
Pa rk pos ition
Inser ting<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> ...............142
Sel ecting automatical ly<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 142
Pa rked Vehicl eLoc ator
Switc hingtransmis sionon/of f.............. 236
Pa rking
see Elec tric par kingbr ak e
Pa rking aid
see Parking AssistPA RK TRONI C
Pa rking Assis tPA RK TRONI C
Ac tivati ng........... ....................................197
Ad jus ting warning tones <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 198
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>194
Sid eim pa ct protect ion... ....................... 196
Swi tching off.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 197 48
4
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