tire size MERCEDES-BENZ C CLASS 2021 User Guide

of
skidding andhydroplaning onwetro ads is
inc reased.
In addit ion,th etir egr ip isgreatl yre duced at
a low outside temp eratur eand tireru nning
te mp eratur e. #
Switc hon theES P®
and adap tyo ur
dr ivin gst yle accor dingly. #
Use 004D M+Stires atoutside temp er‐
atur esofless than 50 °F(10 °C) . #
Onlyuse thetir es forth eir intended pur‐
pose. Obser
vethefo llo wing when selecting,ins talling
and replacing tires:
R Further mor e,theuse ofcer tain tiretypes in
cer tain regions andareas ofoper ation can
be highl ybenef icial.
R Onlyuse tires and wheels ofthesame type
(summer tires, wint ertires, MOEx tende d
tir es) and thesame make.
R Onlyins tallwheels ofthesame sizeonone
axle (leftand right). It
is onl yper missible toins talla dif fere nt
wh eelsi ze intheeve ntofaflat tirein order
to drive to thespecialis two rkshop.
R Vehicl eswith atir epr ess uremonit oring
sy stem: Allinstalled wheels mustbe equip‐
ped withfunc tioningsensorsfo rth etir e
pr essur emonit oring system.
R Attemp eratur esbelo w45°F (7°C) usewin‐
te rtir es orall-seaso ntir es mar ked004D M+S
fo rall whee ls.
Wi nter tires prov ide thebes tpossible grip in
wintr yro ad con dition s.
R ForM+S tires, only usetires wit hth esame
tr ead.
R Obser vethemaximum permissible speedfor
th eM+S tires installed.
If th etir e's maximum speedisbelo wthat of
th eve hicle, this mus tbe indic ated byan
appr opriatelabel inthedr iver's field of
vision.
R Break inne wtires atmoder atespeeds for
th efirs t60 miles(1 00 km) . R
Replace thetir es afte rsix yearsat thelat est,
re ga rdless ofwe ar.
R Wh enreplac ingwith tires that donotfe a‐
tur eru n-f lat charact eristics :ve hicles with
MOExt ended tires areno teq uipped witha
TIREFIT kitatthefa ct or y. Eq uip th eve hicle
wit haTIREFIT kitafte rre placing withtir es
th at do notfe atur eru n-f latch aract eristic s,
e.g .wint ertires.
Fo rmor einf ormation onwhee lsand tires, con‐
ta ct aqu alif ied spec ialistwo rkshop.
Be sureto also obse rveth efo llo wing further
re lat ed subje cts:
R Noteson tirepr essur e(/ page336)
R Tire and Loadi ngInfo rm atio nplacar d
(/ page34 3)
R Tire size designation, load-bearing cap acity,
spe edrating andload index(/ pag e350)
R Tire pressur eta ble (/ page338)
R Noteson theemer gency sparewheel
(/ page36 4) Wheels
andtires 35
7

No
teson rotat ing whee ls &
WARNIN GRisk ofinju rythro ugh differ‐
ent whee lsizes
Rot atin gth efront and rear wheels can
se verely im pa irth edr iving charact eristic s.
The wheel brak es orsuspe nsion com ponents
ma yalso bedamag ed. #
Rotate front and rear wheels onlyifth e
wheels andtires areof thesame dimen‐
sions. The
wearpat tern son thefront and rear wheels
dif fer:
R Front wheels wearmor eon thetir eshoulder
R Rear wheels wearmor ein thecent erofthe
tir e
Do notdr ive wi th tires that have toolittle tread
dep th.Thi ssig nifica ntlyre duces traction onwet
ro ads (hydr oplan ing).
On vehicles that have thesame sizefront and
re ar wheels ,ro tate thewheels accordingtothe
int erva ls in thetir emanuf acturer'swarrant y book
inyour vehicle documents. Ifth is isno t
av ailable, rotate thetir es every
3000 to6000 miles(500 0to 10,000 km),
dependin gon thewe ar.En sur eth at thedir ect ion
of rotatio nis ma intained .
Ob serveth eins truction sand safetyno teson
"Cha nging awheel" whendoing so
(/ page359). No
teson sto ring wheels When
stor ing wheels, observethefo llo wing
no tes:
R Afterre mo ving whee ls,stor eth em inacool,
dr yand prefer ably darkplace.
R Protect thetir es from contact with oil, grease
or fuel. Ov
ervie wof thetir e-c han getool kit *
NO
TEMercede s-AMG vehicles #
Obser vetheno tesin theSupplement .
Yo uco uld other wise failto recogni ze
da ngers. Apa
rtfrom some countr y-specif icvariant s,vehi‐
cles areno teq uipped withatir e-c hang eto ol kit.
Fo rmor einf ormation onwhi chtire-c hangi ng
to ols arere qu ired and appr oved forper form ing a
wheel chang eon your vehicle, consult aqu alif ied
spec ialistwo rkshop.
Yo ure qu ire th efo llo wing tools, forex am ple, to
ch ang eawheel:
R Jack
R Choc k
R Lugwr enc h
R Alignmen tbolt
The tire-c hang eto ol kit islocat edunder the
tr unk floor . 358
Wheels andtires

#
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 (/ page342).
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 (/ page34 1).
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. 36
4
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(/ page336)
R Tire and Loadi ngInfo rm atio nplacar d
(/ page34 3) R
Tire pressur eta ble (/ page338)
R Noteson installing tires (/ page355 ) Wheels
andtires 365

Seat
beltwarning
see Seat belts
Seat belts
Ac tivati ng/d eactiv ating seat belt
ad jus tment ........... ...................................41
Ad jus ting theheight... ............................. 40
Cent errear seat (releasi ng).<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 39
Fa stening.. ............................................... 40
Re duced protect ion.. ...............................3 8
Re leasing .................................................4 1
Sea tbel tad jus tment (function) ............... 40
Wa rning lam p................................... ........ 41
Seat cover(C are)...... ............ ..................... 312
Seat heating
Ac tivati ng/d eactiv ating........... ................96
Se at ventilat ion
Ac tivati ng/d eactiv ating........... ................97
Second telephone
Conn ecting... .........................................2 59
Fe atur es................................................ 259
Select ingage ar
see Changing gears Select
orleve r
see DIRECT SELECTleve r
Self-t est
Au tomatic front pass engerfront air‐
bag shut off..... .........................................4 6
Sensor s(car e)............................................ 311
Ser vice center
see Qualif iedspecialis two rkshop
Ser vice interva ldisp lay
see ASSYST PLUS
Ser vice station search
St artin gaut omat icsear ch<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 242
Se tting aspeed
see Cruise control
Se tting summ ertime.... ............................2 22
Se tting theda te form at....... ..................... 223
Se tting thedis tance unit.......................... 226
Se tting thema pscale
see Map
Shif tpa dd les
see Steer ing wheel paddle shifters Shif
ting gears
Gea rshif tre comme nda<0057004C00520051001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 146
Shor tmessag es
see Text mes sage s
Side airbag.. .................................................4 1
Side impact protection. ............................ 197
Side windo ws
Child safetyloc kin there ar
passe nger com partment. ........................ 63
Closin g....................................................7 6
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 79
Co nvenienc eclosing featur e...................7 9
Con venie nce openi ng<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ......78
Opening... ................................................ 76
Opening withth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 78
Pr oblem. .................................................. 79
Ro ller sunblin d.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 84
Size designation (tires) ............................. 350
Sliding sunroof
Au tomatic featur es..................................8 2
Closin g....................................................8 0
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 79
Ope <0051004C0051004A001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 80
Ope ning with theSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 78 Inde
x465

Se
tting thetime zone.<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 222
Se tting thetime/ datefo rm at... .............2 23
TIN (TireIden tificati onNumbe r).............. 348
Tir eand Loadi ng Info rm ation placar d.....343
Ti re charact eristics ....... ............................ 350
Ti re inf lation com pressor
see TIREF ITkit
Ti re informa tion table.. .............................3 43
Ti re labeling
Char acteristic s.................................. .... 350
DO T,Tire Identif ication Number (TIN).... 348
Load index.............................................3 50
Load -bearing cap acity<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ..350
Ma ximu mtirelo<0044004700110011001100110011001100110011001100110011001100110011
0011> <0011001100110011001100110011001100110011001100110011001100110011
0011> 349
Ma ximu mtirepr ess ur<0048001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 349
Ov ervie <005A001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011>347
Spe edrating ........... ........... .................... 350
Te mp eratur egr ade ................................ 347
Ti re Qua lityGradi ng.......... .....................347
Ti re size designation. ............................. 350
Tr act ion grade .................................. .....3 47
Tr ead weargrade .............................. .....3 47
Ti re load (maximu m)................................. 349 Ti
re pres sur e
Ch ecking (manua<004F004F005C000C001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> ......339
Ch ecking (tirepr ess uremoni toring
sy stem).. .......................................... ...... 341
Maximum ..............................................3 49
No tes... ............................................. ....3 36
Re star tin gth etir epr essur eloss
wa rning system.. .............................. ..... 342
Re star tin gth etir epr essur emonit or‐
ing system.. ...........................................3 41
Ti re pressur eloss warning system
(funct ion)............................................... 342
Ti re pressur emonit oring system
(funct ion)............................................... 339
Ti re pressur eta ble ............................ .... 338
TIREF ITkit.. ............................................ 317
Ti re pres sur elo ss wa rning system
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011>342
Re star tin g........................................ ...... 342
Ti re pres sur emoni tor
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011>339
Re star tin g........................................ ...... 341
Ti re pres sur emoni toring system
Chec kingth etir epr essur e.................... 341
Chec kingthetir ete mp eratur e.......... ..... 341 Ti
re pres sur etab le<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> ...338
Tir eQual ityGradin g<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> .347
Ti re temp eratur e
Chec king(tir epr essur emon itor ing
sy stem).. ................................................ 341
Ti re pressur emonit oring system
(funct ion)............................................... 339
Ti re tread <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ....335
Tir e-c hang eto ol kit
Ov ervie w............................................... 358
TIR EFIT kit
St or ag elocation... ..................................3 17
Using... ..................................................3 17
Ti re s
Chan ginghub caps ................................ 359
Charact eristic s......................................3 50
Che cking.. .............................................3 35
Che cking thetir epr essur e(manuall y)... 339
Chec kingthetir epr essur e(tir epr es‐
sur emonit oring system).. ......................3 41
Def initio ns............ .................................352
DO T,Tire Identif ication Number (TIN).... 348
Flat tire...... ............................................ 315
Ins talling. ...............................................3 62 Inde
x469

Load
index.............................................3 50
Load -bearing cap acity<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ..350
Ma ximu mtirelo<0044004700110011001100110011001100110011001100110011001100110011
0011> <0011001100110011001100110011001100110011001100110011001100110011
0011> 349
Ma ximu mtirepr ess ur<0048001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 349
MOExt endedtires <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .........316
No ise.. ...................................................3 35
No teson installing. ...............................3 55
Ov ervie wof tirelabel ing....... .................347
Re mo ving... ........................................... 362
Re placing ...................................... 355, 359
Re star tin gth etir epr essur eloss
wa rning system.. .............................. ..... 342
Re star tin gth etir epr essur emonit or‐
ing system.. ...........................................3 41
Ro tating ........... ...................... ........... .....358
Sel ecti on..... ........... ............................... 355
Sno wch ains .......................................... 336
Spe edrating ........... ............................... 350
St or ing.... .......................................... ....3 58
Te mp eratur egr ade ................................ 347
Ti re and Loadi ngInfo rm atio nplacar d....3 43
Ti re pressur e(no tes). ........................ ....3 36
Ti re pressur eloss warning system
(funct ion)............................................... 342
Ti re pressur emonit oring system
(funct ion)............................................... 339 Ti
re pressur eta ble ............................ .... 338
Ti re Qua lityGradi ng.......... .................... .347
Ti re size designation. ........................ ..... 350
TIREFIT kit.............................................. 317
Tr act ion grade .................................. .....3 47
Tr ead weargrade .............................. .....3 47
Un usual handlingch aract eristic s.......... 335
To ol
see Vehicle tool kit
To pTe ther.. .................................................. 57
To uc hCon trol
On-board computer........ ....................... 208
Oper ating.......... .....................................213
Se tting thesensit ivity........................ ....2 14
To uc hpad
Ac tivati ng/d eactiv ating haptic oper‐
ation feedbac k.... ................................... 216
Oper ating... ............................................ 214
Re adin gth ehandwr itingrecogni tion
al ou d.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 215
Sel ecting ast atio nand track............ .....2 16
Se tting thesensit ivity........................ ....2 15
Swi tching on/of f.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 214 To
w- aw ay alar m
Ac tivati ng/d eactiv ating........... ................87
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 86
To w- bar system.. .......................................2 05
To w- star ting.............. ................................. 331
To wing away<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 328
To wing eye
Ins talling. ...............................................3 31
St or ag elocation... ................................. 331
To wing methods ........................................ 327
Tr ac k
Selecti ng(au dio mode ).<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 285
Tr actio ngr ade ....... .....................................347
Tr af fic inf orma tion
Dis playing thetra ffic map .....................2 49
Displ aying traffic inci dents <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 249
Ext end ingaLive Traf fic Inf ormati on
su bscr ip<0057004C00520051001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 248
Issui nghazar dwa rnings ........................ 250
Liv eTraf fic Inf ormati on<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 248
Ov ervie w.. ............................................. 248
Tr af fic ma p
see Map 47
0
Inde x

Chec
kingth etir epr essur e(manuall y)... 339
Chec kingthetir epr essur e(tir epr es‐
sur emonit oring system).. ......................3 41
Def initio ns............ .................................352
DO T,Tire Identif ication Number (TIN).... 348
Flat tire...... ........................................ .... 315
Ins talling. ...............................................3 62
Load index.............................................3 50
Load -bearing cap acity<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ..350
Ma ximu mtirelo<0044004700110011001100110011001100110011001100110011001100110011
0011> <0011001100110011001100110011001100110011001100110011001100110011
0011> 349
Ma ximu mtirepr ess ur<0048001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 349
MOExt endedtires <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .........316
No ise.. ...................................................3 35
No teson installing. ...............................3 55
Ov ervie wof tirelabel ing....... .................347
Re mo ving... ........................................... 362
Re placing ...................................... 355, 359
Re star tin gth etir epr essur eloss
wa rning system.. .............................. ..... 342
Re star tin gth etir epr essur emonit or‐
ing system.. ...........................................3 41
Ro tating ........... ........... ...................... .....358
Sel ecti on..... ........... ............................... 355
Sno wch ains .......................................... 336
Spe edrating ........... ........... .................... 350
St or ing.... ............... ........................... ....3 58 Te
mp eratur egr ade ................................ 347
Ti re and Loadi ngInfo rm atio nplacar d....3 43
Ti re charact eristic s........................... .....3 50
Ti re pressur e(no tes). ........................ ....3 36
Ti re pressur eloss warning system
(funct ion)............................................... 342
Ti re pressur emonit oring system
(funct ion)............................................... 339
Ti re pressur eta ble ............................ .... 338
Ti re Qua lityGradi ng.......... .................... .347
Ti re size designation. ........................ ..... 350
TIREFIT kit.............................................. 317
Tr act ion grade .................................. .....3 47
Tr ead weargrade .............................. .....3 47
Un usual handlingch aract eristic s.......... 335
Wi -Fi
Ov ervie w..... ........ ................................ ..224
Se tting ........ ...........................................224
Wi des cree nCo ckpit Instru men tDi s‐
pla y
Ins trum ent cluster ................................... 12
Wi ndo wcur tain airba g................................4 1
Wi ndo ws
see Side windo ws Wi
ndo ws(car e)..........................................3 11
Wi ndshield
Defr osting.. ............................................ 126
Re placing thewiper blades .................... 120
Wi ndshield
see Windsh ield
Wi ndshield washer fluid
No tes... .................................................. 375
Wi ndshield washer system
To pping up............................................. 306
Wi ndshield wipers
Ac tivati ng/d eactiv ating........... ..............120
Re placing thewiper blades .................... 120
Wi nter oper ation
Sno wch ains .......................................... 336
Wi per blades
Ca re<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 311
Re placing ...............................................1 20
Wi reless chargin g
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 111
Mobile phone......................................... 112
Wi reless vehicl eco mp onent s
Dec laration ofcon form ity... .....................2 5 47
4
Inde x