2020 MERCEDES-BENZ C-CLASS CABRIOLET tire size

Cha
nging awheel No
teson selecting, installing andreplac ing
tir es Mer
cedes -AMG vehicl es:obse rveth eno tesin
th eSupplement .Ot her wise, youma yfa ilto rec‐
ogni zedangers.
Yo ucan askforinf ormation rega rding permitted
wheel/ tirecom binat ionsatan aut hor ized
Mer cede s-Ben zCent er. &
WARNIN GRisk ofacci dent dueto inc or‐
re ct dimensi onsofwhe elsand tires
If whe elsand tires ofthewr ong size are
ins talled, thewheel brak es orwheel suspen‐
sion componen tsma ybe damag ed. #
Alw aysre place wheels andtires wit h
th ose that fulf illthespecif ication sof
th eor iginal part.
When replacing wheels, makesur eto fit th e
cor rect:
R Desi gnati on R
Mod el
Whe nre placing tires, mak esur eto ins tallth e
cor rect:
R Desi gnati on
R Manuf actu rer
R Model &
WARNIN GRisk ofinju rythro ugh exceed‐
ing thespecif iedtireload rating orthe
per missible speedrating
Ex cee ding thespecif iedtireload rating or
th eper missible speedrating mayle ad totire
da ma geand tothetir es bur sting. #
Ther efor e, onl yuse tiretypes andsizes
appr ovedfo ryo ur vehicle model. #
Obser vethetir eload rating andspee d
ra ting requ ired foryo ur vehicle. *
NO
TEVehicle andtiredamag eth ro ugh
tir etyp esand sizes that have notbe en
ap prove d Fo
rsaf etyre ason s,on lyuse tires, wheel s
and accessories whic hha ve been speciall y
appr ovedby Mer cedes-Ben zfo ryo ur vehicle.
These tires arespecially adaptedto thecon ‐
tr ol systems, suchas ABS ,ES P®
and
4MA TIC,andmarkedas follo ws :
R MO =Mer cedes-Ben zOr iginal
R MOE =Mer cedes-Ben zOr iginal Extended
(r un-f lattireonl yfo rcer tain wheels)
R MO1 =Mer cedes -Benz Original (onlycer ‐
ta in AMG tires)
Cer tain charact eristic s,suc has han dling,
ve hicle noise emissions, fuelconsum ption,
et c. ma yot her wise beadv ersel yaf fect ed.
Fu rther mor e,other tiresizes could result in
th etir es rubbing agains tth ebody andaxle
com ponen tswhen loaded. Thiscould result
in damag eto thetir eor theve hicle. Wheels
andtires 409

Obser
vethefo llo wing when selecting,ins talling
and replacing tires:
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 Onlyins talltir es ofthecor rect size ontoth e
wheels.
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 emar kedM+S forall
whee ls.
Wi nter tires bearing the004D snowflak esym‐
bol inaddition totheM+S marking prov ide
th ebes tpossible grip inwintr yro ad con di‐
tio ns. R
ForM+S tires, only usetires wit hth esame
tr ead.
R Obser vethemaximum permissible speedfor
th eM+S tires installed.
If th is isbelo wtheve hicle's maximum speed,
th is mus tbe indic ated byan appr opriate
label inthedr iver's field ofvision.
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-flat 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‐
tac ta qu alif ied spec ialistwo rkshop.
Be sureto also obse rveth efo llo wing further
re lat ed subje cts:
R Noteson tirepr essur e(/ page390) R
Tire and Loadi ngInfo rm atio nplacar d
(/ page39 7)
R Tire size designation, load-bearing cap acity,
spe edrating andload index(/ pag e404 )
R Tire pressur eta ble (/ page39 1)
R Noteson theemer gency sparewheel
(/ page41 8) No
teson rotat ing whee ls &
WARNIN GRisk ofinju rythro ugh differ‐
ent whee lsizes
Int erch ang ingthefront and rear wheels ifth e
wheels ortires have differe nt dimens ions
ma yse verely im pair thedr iving charact eris‐
tic s.
The wheel brak es orwheel suspension com ‐
pon entsma yalso bedamag ed. #
Rotate front and rear wheels onlyifth e
wheels andtires areof thesame dimen‐
sions. Wheels
andtires 41
1

The
wearpat tern son thefront and rear wheels
dif fer:
R Front wheels wearmor eon theshoulder of
th etir e
R Rear wheels wearmor ein thecent erofthe
tir e
On vehicles that have thesame sizefront and
re ar wheels ,ro tat eth ewheels accordingtothe
int erva ls in thetir emanuf acturer'swarrant y
book inyour vehicle documents. Ifth is isno t
av ailable, rotate thetir es every
3,000 to6,000 miles(5 ,000 to10,000 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
(/ page41 3). 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 Mer
cedes- AMGvehicl es:obse rveth eno tesin
th eSupplement .Ot her wise, youma yno tre cog‐
nize dangers.
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 ovedfo rper form ing a
wheel chang eon your vehicle, consult aqu alif ied
spec ialistwo rkshop.
Yo ure qu ire th efo llo wing tools, forins tance, to
ch ang eawheel:
R Jack
R Choc k
R Lugwr enc h
R Alignmen tbolt
The tire-c hang eto ol kit islocat edintool bag 1
in thetrunk . To
ol bag cont ains:
R Jack
R Gloves
R Lugwr enc h
R Alignmen tbolt
R Folding choc k
R Ratche tfo rjac k 41
2
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
a max imum of59 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 ofinju rythro ugh incor‐
re ct tigh tening torq ue
Th ewh eelscou ldcome looseifth ewheel
bolts orwheel nutsareno ttight ened tothe
pr escr ibed tighteningto rq ue. #
Makesur eth ewheel boltsorwheel
nuts aretight ened tothepr escr ibed
tight ening torq ue. #
Ifyo uar eno tsur e,do notmo vethe
ve hicle. Consult aqu alif ied spec ialist
wo rkshop andhave thetight ening tor‐
qu ech eckedimmediat ely. #
Chec kth etir epr essur eof thene wlymoun‐
te dwheel andadjus taccor dingly. #
Vehicl eswith tirepr ess urelos swa rning
sy stem: Restar tth etir epr essur eloss warn‐
ing system (/ page396).
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 (/ page395).
Ex cep tion: thene wwheel isan emer gency
spa rewheel.
Mak esur eto obser vethefo llo wing further rela‐
te dsubjec t:
R Noteson tirepr essur e(/ page390) Emer
gency spar ewheel No
teson the emer 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. Mount‐
ing anemer gency sparewheel/ sparewheel
ma yse verely im pair thedr iving charact eris‐
tic s.
To preve nthazardous situa tions: 41
8
Wheels andtires

#
Adaptyo ur drivin gst yle accor dinglyand
dr ive car efull y. #
Nevermount moreth 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 ®
. #
>Ha vetheemer 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. Ch
eckth etir epr essur eof theemer gency spare
wheel installed. Correct thepr essur eas neces ‐
sar y.
The maximum permissible speedwithan emer‐
ge ncy sparewheel installed is50 mph
(80 km/ h).
Do notins tallth eemer gency sparewheel with
sn ow chains . Re
place 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(/ page390)
R Tire and Loadi ngInfo rm atio nplacar d
(/ page39 7)
R Tire pressur eta ble (/ page39 1) Re
mo ving the eme rgency sparewheel The
eme rgency sparewheel issecur edinthe
emer gency sparewheel baginthetrunk . #
Obser vetheinf ormation onmount ingtires
(/ page409). #
Open thetrunk . #
Detach thesecur ingstra ps. #
Unhook there tainin gspr ing hook sof the
secur ingstra ps from thebr ac kets. #
Remo vetheemer gency sparewheel bagwith
th eemer gency sparewheel. #
Open theemer gency sparewheel bagand
re mo vetheemer gency sparewheel. Wheels
andtires 41
9

Maximum
tireload ........................... ... 403
Maximum tirepr essur e....................... 403
Ov ervie w ......... ................................. ....4 01
Spee dra ting ........... .............................404
Te mp eratur egr ade .............................. 401
Ti re Qua lityGradi ng .......... ................... 401
Ti re size designation ............................4 04
Tr act ion grade ................................ ...... 401
Tr ead weargrade ............................ .....4 01
Ti re load (maximu m)...............................4 03
Ti re pres sur e<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> .391,392
Chec king(manuall y)............................ 392
Chec king(tir epr essur emon itor ing
sy stem) ................................................ 394
Maximum ............................................ 403
No tes .................................................. 390
Re star tin gth etir epr essur eloss
wa rning system .............................. ..... 396
Re star tin gth etir epr essur emonit or‐
ing system ...........................................3 95
Ti re pressur eloss warning system
(funct ion)............................................. 395
Ti re pressur emonit oring system
(funct ion)............................................. 393
Ti re pressur eta ble ...............................3 91 TIREFIT
kit...........................................3 69
Ti re pres sur elo ss wa rning system
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>395
Re star tin g...................................... ...... 396
Ti re pres sur emoni tor............ .................395
Re star tin g...................................... ...... 395
Ti re pres sur emoni toring system
Chec kingth etir epr essur e.................. 394
Chec kingthetir ete mp eratur e......... ... 394
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>393
Tir epr es sur eta ble <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ..........391
Tir eQual ityGradin g<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .......401
Tir ete mp eratur e
Chec king(tir epr essur emon itor ing
sy stem) .......................................... ...... 394
Ti re pressur emonit oring system
(funct ion)............................................. 393
Ti re tread <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ..388
Tir e-c hang eto ol kit
Ov ervie w ........................................ ...... 412
TIRE FITkit <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 369
St or ag elocation .............................. ....3 69
Using ...................................................369 Ti
re s
Chan ginghub caps .............................. 413
Charact eristic s.................................... 404
Chec king.............................................3 88
Che cking thetir epr essur e(man‐
uall y)................................................... 392
Chec kingthetir epr essur e(tir epr es‐
sur emonit oring system) ......................3 94
Def initio ns ............ ...............................406
DO T,Tire Identif ication Number (TIN)
..... ........................................................4 02
Flat tire ....... ......................................... 368
Ins talling .............................................. 416
Load index..... ...................................... 404
Load-be aring capaci ty.........................4 04
Maxi mum tireloa d....... .......................403
Maxi mum tirepr essu re<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 403
MOExt endedtir es <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 368
Noise <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 388
No teson installing .............................. 409
Ov ervie wof tirelabeling ...................... 401
Re mo ving ............................................. 416
Re placing .....................................4 09, 413
Re star tin gth etir epr essur eloss
wa rning system ................................... 396 Inde
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1

Re
star tin gth etir epr essur emonit or‐
ing system ...........................................3 95
Ro tating ........... ...................... ........... ...411
Sel ectio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 409
Sno wch ains ........................................ 389
Spe edrating ........... .............................404
St or ing ............................................. ....4 12
Te mp eratur egr ade .............................. 401
Ti re and Loadi ngInfo rm atio nplacar d.. 397
Ti re pressur e(no tes) ........................... 390
Ti re pressur eloss warning system
(funct ion)............................................. 395
Ti re pressur emonit oring system
(funct ion)............................................. 393
Ti re pressur eta ble ...............................3 91
Ti re Qua lityGradi ng .......... ................... 401
Ti re size designation ........................ ....4 04
TIREFIT kit....... ....................................369
Tr act ion grade ...................................... 401
Tr ead weargrade .................................4 01
Un usual handlingch aract eristic s........ 388
To ol
see Vehicle tool kit
To pTe ther .................................................. 59 To
tal dist ance .......................................... 225
Displ aying ...................................... ...... 225
To uc hCon trol ...... .................................... 249
On-boar dcom puter ............................. 221
Oper ating ............................................ 249
Se tting thesensit ivity..................... ..... 250
To uc hpad ..................................................250
Ac tivati ng/d eactiv ating haptic oper‐
ation feedbac k.................................... 252
Oper ating ............................................ 250
Re adin gth ehandwr itingrecogni tion
al ou d <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011>251
Sele cting ast atio nand track.......... .....2 52
Se tting thesensit ivity..................... ..... 251
Switc hingon/off........................... ...... 250
To w- bar system ........................................ 217
To w- star ting .............................................384
To wing away <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 381
To wing eye
Ins talling .............................................. 384
St or ag elocation .............................. ....3 83
To wing methods ...................................... 379 Tr
ac k
Selecti ng(au dio mode )....... ................329
Tr actio ngr ade .......................................... 401
Tr af fic inf orma tion .................................. 288
Dis playing thetra ffic map ...................2 89
Displ aying traffic inci dents <0011001100110011001100110011001100110011001100110011001100110011
00110011> 289
Ext endi ngaLiv eTr af fic Inf ormati on
su bscr iption <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> ............288
Issu inghazar dwa rnings ...................... 290
Liv eTraf fic Inf ormati on<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 288
Ov ervie w <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011>288
Tr af fic ma p
see Map
Tr af fic Sign Assis t.................................... 210
Fu nctio n/no tes .................................... 210
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 211
Sy stem limit ations ...............................2 10
Tr ansf erre dve hicl edata
Andr oidAuto <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 313
App leCa rPlay®
<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 313
Tr ansmis sion(pr obl em) .......................... 149
Tr ansmis sionposi tion displa y....... .........145 532
Index

Te
mp eratur egr ade .............................. 401
Ti re and Loadi ngInfo rm atio nplacar d.. 397
Ti re charact eristic s........................ ...... 404
Ti re pressur e(no tes) ........................... 390
Ti re pressur eloss warning system
(funct ion)............................................. 395
Ti re pressur emonit oring system
(funct ion)............................................. 393
Ti re pressur eta ble .......................... .....3 91
Ti re Qua lityGradi ng .......... ................... 401
Ti re size designation ............................4 04
TIREFIT kit....... ....................................369
Tr act ion grade ...................................... 401
Tr ead weargrade ............................ .....4 01
Un usual handlingch aract eristic s........ 388
Wi -Fi........ .................................................260
Ov ervie w ....... ................................... ...260
Se tting ................................................. 260
Se tting upaho tspo t....... ..................... 261
Wi des cree nCo ckpit Instru men tDi s‐
pla y
Ins trum ent cluster ................................. 12
Wi nd deflect or
Car e................................................ ....3 60 Wi
nd scr een
Car e................................................ ..... 361
Wi ndo ws
Closin g(all) .................................... .......8 3
Opening (all).......................................... 83
Wi ndo ws
see Side windo ws
Wi ndo ws(Car e).......................................3 62
Wi ndshield ....................................... 120, 127
Defr osting ............. ...............................127
Re placing thewiper blades .................. 120
Wi ndshield
see Windsh ield
Wi ndshield washer fluid .........................4 29
No tes .................................................. 429
Wi ndshield washer system
To pping up...........................................3 54
Wi ndshield wipers
Ac tivati ng/d eactiv ating ........... ............120
Re placing thewiper blades .................. 120
Wi nter oper ation
Sno wch ains ........................................ 389 Wi
per blades
Ca re <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 362
Re placing .............................................1 20
Wi reless chargin g
Fu nctio n/no tes .................................... 111
Mobile phone ....................................... 112
Wi reless vehicl eco mp onent s
Dec laration ofcon form ity ...................... 26
Wo rkshop
see Qualif iedspecialis two rkshop Inde
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