2021 MERCEDES-BENZ C-CLASS COUPE wheel

#
Position suppor t2 ofjac k4 onjacksup‐
por tpoint 1. #
Turn crank 3cloc kwiseunti lsu ppo rt2
sits com pletely on jacksuppor tpoint 1and
th ebase ofthejac klies evenlyon the
gr ou nd . #
Turn crank 3unti lth etir eis raised amaxi‐
mum of1.2 in (3 cm) from thegr ound. #
Loosen andremo vethewheel (/page38 4). Re
mo ving awh eel Re
quirement s:
R The vehicle israised (/page382).
* NO
TEMer cedes-AMG vehicles #
Obser vetheno tesin theSupplement .
Yo uco uld other wise failto recogni ze
da ngers. Whe
nch ang ingawheel, avoidapplyin gan yfo rc e
to thebr ak ediscs, asthis could impair theleve l
of comf ortwhen braking.
* NO
TEDama getothre adin gfrom dirton
wheel bolts #
Donotplace wheel boltsin san dor on
a dir tysur face. #
Unscr ew theupper mostwheel boltcom‐
ple tely. #
Screw align mentbolt 1intoth eth re ad
ins tead ofthewheel bolt. #
Unscr ew there maini ngwhee lbolts com‐
ple tely. #
Remo vethewheel. #
Installth ene wwheel (/page38 4). Ins
talling ane wwheel Re
quirement s:
R The wheel isremo ved(/ page38 4). 38
4
Wheels andtires

*
NO
TEMercede s-AMG vehicles #
Obser vetheno tesin theSupplement .
Yo uco uld other wise failto recogni ze
da ngers. &
WARNIN GRisk ofacci dent from losing a
whe el
Oil ed, grea sed ordamag edwhe elbol t/whe el
nut thre ads orwheel hub/wheel mounting
bolt thre ads can caus eth ewheel bolts/
wheel nutstocome loose.
As are sult, youco uld lose awheel whiledriv‐
ing . #
Neveroil orgrease theth re ads. #
Intheeve ntofdamag eto theth re ads,
con tact aqu alif ied spec ialistwo rkshop
immediat ely. #
Have thedamag edwheel boltsordam‐
ag ed hub thre ads replaced. #
Donotcon tinue driving. #
Obser vetheinf ormation onthech oice of
tir es (/ page37 7).
Fo rtir es wit haspecif ieddirection ofrotatio n,an
ar ro w on theside wallof thetir eindicat esthe
cor rect dire ction ofrotatio n.Ob serveth edir ec‐
tion ofrotatio nwh en installing. #
Slide thewheel tobe mount edont oth e
align mentbolt andpush iton . &
WARNIN GRisk ofinju ryfrom tight ening
whee lbol tsand nuts
If yo utig hten thewheel boltsorwheel nuts
when theve hicle israised, thejac kcould tip. #
Onlytight enwheel boltsorwheel nuts
when theve hicle ison thegr ound. #
Besureto obser vetheins truction sand
saf etyno teson "Cha nging awheel"
(/ page37 7). #
Forsaf etyre ason s,on lyuse wheel bolts
whic hha ve been approvedby Mer cedes-
Benz andforth ewheel inqu estion . *
NO
TEDama getopaintw orkof thewheel
ri m when screwing onthefirs twh eelbo lt If
th ewheel hastoomuc hpla ywhen screw‐
ing inthefirs twh eelbo lt, thewheel rim pai nt
can bedama ged. #
Press thewheel firm lyag ains tth e
wheel hubwhen screwing onthefirs t
wheel bolt. #
Tight enthewheel boltsevenlyin adi ag ona l
pa tter nin theor der indicat eduntil they are
fi ng er-tig ht. #
Unscr ew and remo vethealignment bolt. #
Tight enthelas twheel boltuntil itis fing er-
tig ht. #
Lowe rth eve hicle (/page385). Lo
we ring theve hicl eaf te ra wh eelch ang e Re
quirement s:
R The newwheel hasbeen installed
(/ page38 4). Wheels
andtires 385

#
Tolowe rthe vehicl e:tur nth ecr ank ofthe
jac kcou nter-clo ckwise untilth eve hicle is
once again standi ngfirm lyon thegr ound. #
Tight enthewheel boltsevenlyin adi ag ona l
pa tter nin theor der indicat ed1 to5 with
an init ialmax imum forc eof 59 lb-ft(80 Nm). #
Tight enthewheel boltsevenlyin adi ag ona l
pa tter nin theor der indicat ed1 to5 to
th especif iedtight ening torq ue of96 lb-ft
(1 30 Nm) . &
WARNIN GRisk ofacci dent dueto inc or‐
re ct tigh tening torq ue
Th ewh eelscou ldcome looseifth ewheel
bolts orwheel nutsareno ttight ened tothe
pr escr ibed torq ue. #
Ensu rethat thewheel boltsorwheel
nuts aretight ened tothepr escr ibed
tight ening torq ue. #
Ifyo uar eno tsur e,do notmo vethe
ve hicle. Contactaqu alif ied spec ialist
wo rkshop andhave thetight ening tor‐
qu ech eckedimmediat ely. #
Chec kth etir epr essur eof thene wlyins talled
wheel andadjus tit ifnec essar y. #
Vehicl eswith tirepr ess urelos swa rning
sy stem: Restar tth etir epr essur eloss warn‐
ing system (/ page36 4).
Ex cep tion: thene wwheel isan emer gency
spa rewheel. #
Vehicl eswith atir epr ess uremonit oring
sy stem: Restar tth etir epr essur emonit oring
sy stem (/ page363).
Ex cep tion: thene wwheel isan emer gency
spa rewheel. Emer
gency spar ewheel No
teson theemer gency spar ewheel &
WARNIN GRisk ofacci dent caused by
inc orrect whe eland tiredimensi ons
The wheelor tiresize andthetir etype ofthe
emer gency sparewheel orspar ewheel and
th ewheel tobe replaced maydif fer. The
emer gency sparewheel orspar ewheel can
sign ifican tly im pair drivin gch aract eristic sof
th eve hicle.
To preve nthazardous situa tions: #
Adaptyo ur drivin gst yle accor dinglyand
dr ive car efull y. 386
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

Heig
htwhe nopen ed Model
1 1
Heig ht
whe n
open ed
C 300 71.0 in
(1 805 mm)
C 300 4MATIC 71.4 in
(1 81 3mm) Ve
hicl edimens ions C
300
Ve hicle length1 84.5in
(4686 mm)
Ve hicle widthincluding out‐
side mirrors 79.4
in
(20 16mm)
Ve hicle height 55.3in
(1 405 mm) C
300
Wheelbase 111.8in
(28 40mm)
Tu rning radius 36.8ft
(1 1. 22 m) C
300 4MATIC
Ve hicle length1 84.5in
(468 6mm)
Ve hicle widthincluding out‐
side mirrors 79.4
in
(20 16mm)
Ve hicle height 55.6in
(1 41 3mm)
Whee lbase 111.8in
(28 40mm)
Tu rning radius 37.6 ft
(1 1. 45 m) Te
ch nica lda ta 399

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Act ive Steering AssistCur-
rent lyUnavailable See
Operator' sManual *A
ctiveSt eer ing Assis tis temp orarily una vailable.
The ambien tcon dition sar eouts idethesy stem limits (/page17 0).
As soo nas theambient conditions arewit hin thesy stem limits, thesy stem will become available again. #
Drive on . #
Ifnec essar y,cle an thewindshield inthecamer a'sfield ofvision. #
Chec kth etir epr essur eif neces sary.
Active SteeringAssistInop -
era tive *A
ctiveSt eer ing Assis tis malfunct ioning.ActiveDis tance AssistDIS TRONI Cremains available. #
Con sult aqu alif ied spec ialistwo rkshop.
Act ive Steering AssistCur-
rently Unavaila bleDue to
Multiple Emergenc yStops *A
ctiveSt eer ing Assis tis temp orarily una vailable duetomultip leemerg encystops. #
Take ove rth esteer ing and stop inaccor dance withth etra ffic con dition s. #
Swit chtheignition offand switc hit bac kon.
Ac tiveSt eer ing Assis tis available once mor e.
Beg inning Emerg enc ySt op *Y
our hands areno ton thesteer ing wheel. Anemer gency stop isbeing initiated(/ page17 3). #
Put your han dsbac kon thesteer ing wheel.
Yo ucan cancelthedeceler ationatanytime byper form ing one ofthefo llo wing actions :
R Steer ing
R Braking oraccelera ting
R Deact ivating ActiveDis tance AssistDIS TRONI C 42
6
Dis play messa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Act ive Parking Assistand
PARKTRONIC Inoperative
See Operator' sManual *
Ve hicl eswith Activ ePa rking Assis t:Ac tivePa rking Assistand Parking AssistPA RK TRONI Caremalf unction ing .
Ve hicl eswithout Activ ePa rking Assis t:Pa rking AssistPA RK TRONI Cis malf unction ing . #
Stop theve hicle inaccor dance withth etra ffic con dition sand restar tth eengine. #
Ifth edispla ymessag est ill appear s,con sult aqu alif ied spec ialistwo rkshop. Dr
iving safetysy stems Displa
ymess ages
Possible causes/conseq uencesand0050 0050
Solutions
0025
00E5 Currently Unavailable See
Operator' sManual *
ABS andESP®
arete mp orarily una vailable.
Ot her drivin gsy stems anddriving safetysy stems (e.g. BAS)ma yal so be temp orarily una vailable.
The brak esy stem will continue tooper atenor mally .The braking distance inan eme rgency braki ng situa tioncan
incr ease. &
WARNIN GRisk ofskid ding ifABS andESP®
aremal functi oning
The wheelsma yloc kdu ring braki ng and ESP®
do es notpe rfor m anyve hicle stabiliz ation.
The steer ability andbraking charact eristic sar ehea vilyim pair edand thebr aking distance mayincr ease. Inaddi‐
tio n,other driving safetysy stems areswitc hedoff. #
Drive car efull yon asuit able stre tchof road, mak ingsligh tst eer ing movements ataspeed above19 mp h
(30 km/ h). Displa
ymessag esand warning/ indic ator lam ps 433

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Ifth edispla ymessag edoes notdisappear ,con sult aqu alif ied spec ialistwo rkshop immediat ely.Dr ive car e‐
full y. 0025
00E5
Inoperative SeeOperator's
Manua l *
ABS andESP®
aremalfu nctioning.
Ot her driving systems anddriving safetysy stems (e.g. BAS)ma yal so be mal functi oning.
The brak esy stem will continue tooper atenor mally .The braking distance inan eme rgency braki ng situa tioncan
incr ease. &
WARNIN GRisk ofskid ding ifABS andESP®
aremal functi oning
The wheelsma ybl oc kdu ring braki ng and ESP®
do es notpe rfor m anyve hicle stabiliz ation.
The steer ability andbraking charact eristic sar ehea vilyim pair edand thebr aking distance mayincr ease. Inaddi‐
tio n,other driving safetysy stems areswitc hedoff. #
Drive on car efull y. #
Have ABS andESP®
ch eckedimmediat elyataqu alif ied spec ialistwo rkshop. 00E5
Currently UnavailableSee
Operator's Manual *
ESP ®
is temp orarily una vailable.
Ot her drivin gsy stems anddriving safetysy stems (e.g. BAS)ma yal so be mal functi oning. 43
4
Disp lay mes sage sand warning/ indic ator lam ps