2021 MERCEDES-BENZ S-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 .Yo uco uld other wise failto rec‐
ogni zedangers. &
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-bear ingcapa‐
city ortheper 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, consumption, etc.
ma yot her wise beadv ersely affect ed. Fur‐
th er mor e,other tiresizes could result inthe
tir es rubbing agains tth ebody andaxle com‐
ponen tswhen loaded. Thiscould result in
damag eto thetir eor theve hicle. 38
4
Wheels andtires

In
addi tion, thetir egr ip isgreatl yre duced at
a low outside temp eratur eand tireru nning
te mp eratur e. #
ActivateESP ®
and adaptyo ur drivin g
st yle accor dingly. #
Use M+S tires atoutside temp eratur es
belo w50 °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) use win‐
te rtir es orall-seaso ntir es mar kedM+S for
all wheels .
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, onlyuse tires 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-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‐
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(/ page366)
R Tire and Loadi ngInfo rm atio nplacar d
(/ page37 2)
R Tire size designation, load-bearing cap acity,
spe edrating andload index(/ pag e37 9)
R Tire pressur eta ble (/ page368)
R Noteson theemer gency sparewheel
(/ page39 3) 386
Wheels andtires

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 pa irth edr 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. The
wearpat tern son thefront and rear wheels
dif fer:
R Front wheels wearmor eon theshoulder of
th etir e
R Rear wheels wearmor eat 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 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
(/ page388). 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 Apar
tfr om some country- 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.
Re quired tire-c hang eto ol kit mayinclude, for
ex am ple:
R Jack
R Choc k
R Lugwr enc h
The tire-c hang eto ol kit islocat edunder the
tr unk floor . Wheels
andtires 38
7

#
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 the
specif iedtight ening torq ue of111 lb-ft
(1 50 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. #
Ensu rethat thewheel boltsornuts are
tight ened tothepr escr ibed tightening
to rq 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 wlyins talled
wheel andadjus tit ifnec essar y. #
Vehicl eswith atir epr ess uremonit oring
sy stem: Restar tth etir epr essur emonit oring
sy stem (/ page37 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. #
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‐ Wheels
andtires 393

Se
tting thefo ot we llte mp eratur e
Se tting ............................................ .....1 19
Se tting thema pscale
see Map
Shif tpa dd les
see Steer ing wheel paddle shifters
Shif ting gears
Gea rshif tre comme ndation <0011001100110011001100110011001100110011001100110011001100110011
00110011> 139
Shor tmessag es
see Text mes sage s
Side airbag .................................................4 0
Side impact protection ............................ 176
Side windo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 77
Closin g............................................ ...... 77
Closin g(all) ............ ........................ .......7 7
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 80
Co nvenienc eclosing featur e.................8 0
Con venie nce openi ng <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ...80
Ope ning <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 77
Opening (all).......................................... 77
Opening withth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 80
Pr obl em <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 81
Size designation (tires) ........................... 379 Smar
tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 59
Ac ous ticlocking verificati onsignal ....... 60
Batt ery <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011>61
Energy consumption............. .................60
Fe atur es................................................ 59
Ke yring attachme nt<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ......61
Mec hanical key ...................................... 61
Ov ervie w .......................................... ..... 59
Pa nic alar m <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011>60
Pr ob lem <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011>62
Un loc kin gse tting ............................ ...... 60
Sma rtKe yfunctions
Deactiv ating.......................................... 60
Smar tphone
see Andr oidAuto
see Apple CarPla y®
see Mercedes-Benz Link
see Telephon e
Sno wch ains ............................................366
Soc ket(1 2 V) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 103
Fr ont cent erconsole ........................... 103
Sof tto p
Car e................................................ .... 338
Closin g(sof t-to pswitc h)................ ........ 72 Closin
gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 80
Ope ning (soft-top switch) <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 72
Opening withth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 80
Pr obl em <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 77
Re loc kin g...............................................7 4
Sof t-top switc h.......................................... 72
Sof twareupda te
Pe rfor ming ...........................................2 47
Sof twareup dates ................................ 247
Sy stem updat es................................... 248
Sound PRE-S AFE®
Sound ................................. 48
Wheels andtires ..................................3 65
Soun d
see Burmes ter®
high-end Surround
soun dsy stem
see Burmes ter®
sur round soun dsy stem
see Sound settings
Sound settings ......................................... 324
Ad jus ting thebalance/f ader................3 24
Ad jus ting treb le,mid -rang eand bass
se tting s............. .................................. 324
Au tomatic volume adjustment .............3 24
Calls upthesound menu ..................... 324 496
Index

Inf
ormation ........ ............................. .....2 78
Int erch ang ingmobi lephon es.............. 279
Menu (on-boar dcom puter) .................. 211
Mobile phonevoice recogni tion.......... 282
No tes ................................................... 275
Oper ating modes ................................. 278
Re cep tion andtransm ission volume .... 281
Swit ching mobile phones(Near Field
Commun ication (NFC)) ........................ 281
Te lephon emen uov ervie w ...................2 77
Te lephon eopera tion............................ 282
Usin gNear FieldCommun ication
(NFC) .... ...............................................2 81
Vo ice com mand s(V oice ControlSy s‐
te m) ..................................................... 222
Wi reless chargin g(mob ilephon e)........ 105
Te lephone number
Dialin g(on- boar dcom puter) ................ 211
Te lephon yoper ating mod es
Blue tooth®
Te lephon y.......................... 278
Te lephon yoper ating mod es
see Second telephon e
Te mp eratur egr ade .................................. 376 Te
xt messag es......................................... 286
Call ingamessag esender .................... 287
Changing folder s.................................2 87
Com posing.......................................... 286
Con figur ing thedispla yedte xt mes ‐
sa ge s............................................. ...... 286
Dele ting .......................................... ..... 287
Dr afts .................................................. 287
No tes .................................................. 286
Op tions .......................................... ...... 287
Outbo x.................................................2 87
Re ad-al oudfunction ............................ 286
Re adin g...............................................2 86
Re plying ...............................................2 87
Sendi ng<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 286
Vo ice com mand s(V oice ControlSy s‐
te m) .................................................. ... 225
Thr ough-lo adingfeatur ein there ar
passe nger comp artment
Openi ng....... ................................... ..... 101
Ti me
Manual timesettin g............................. 239
Se ttin gsummer time..................... ...... 239
Se ttin gth etime anddateaut omati‐
call y................................................ ..... 239 Se
tting thetime zone.......................... 239
Se tting thetime/ datefo rm at .............. 239
TIN (Tire Ident ificat ionNumbe r)........... .377
Ti re and Loading Information placard... 372
Ti re charact eristics ................................. 379
Ti re inf lation com pressor
see TIREF ITkit
Ti re informa tion table .............................3 72
Ti re labeling .............................................3 76
Charact eristic s.................................... 379
DO T,Tire Identif ication Number (TIN)
..... ........................................................3 77
Load index..... ...................................... 379
Load-be aring capaci ty.........................3 79
Maxi mum tireloa d....... ........................378
Maximum tirepr essur e........................ 378
Ov ervie w ..............................................3 76
Spee dra ting ........... .............................379
Te mp eratur egr ade .............................. 376
Ti re Qua lityGradi ng .......... ................... 376
Ti re size designation ............................3 79
Tr act ion grade ...................................... 376
Tr ead weargrade .................................3 76 Inde
x499

Ti
re load (maximu m)...............................3 78
Ti re pres sur e<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 368,369
Ch ecking (manually)<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 369
Ch ecking (tirepress uremoni toring
sy stem) ................................................ 371
Maximum ............ ................................. 378
No tes .................................................. 366
Re star tin gth etir epr essur emonit or‐
ing system ...........................................3 71
Ti re pressur emonit oring system
(funct ion)............................................. 369
Ti re pressur eta ble .......................... .... 368
TIREF ITkit ...........................................3 47
Ti re pres sur emoni tor
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>369
Re star tin g............................................ 371
Ti re pres sur emoni toring system
Chec kingth etir epr essur e...................3 71
Ti re pres sur etab le<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 368
Tir eQual ityGradin g<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 376
Ti re tread <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>.....365
Tir e-c hang eto ol kit
Ov ervie w ........................................ .....3 87 TIRE
FITkit <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 347
St or ag elocation .............................. ....3 47
Using ................................................... 347
Ti re s
Chan ginghub caps .............................. 388
Charact eristic s................................ .... 379
Chec king.............................................3 65
Che cking thetir epr essur e(man‐
uall y)................................................ ... 369
Chec kingthetir epr essur e(tir epr es‐
sur emonit oring system) ......................3 71
Def initio ns ............. .......................... ....381
DO T,Tire Identif ication Number (TIN)
..... ..... ............................................. ......3 77
Fla ttir e <0011001100110011001100110011001100110011001100110011001100110011
0011> <0011001100110011001100110011001100110011001100110011001100110011
0011>..............345
Ins talling .............................................. 391
Load index...........................................3 79
Load -bearing cap acity <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 379
Maximum tireload ........................... ....3 78
Maximum tirepr essur e........................ 378
MOExt ended tires ................................ 346
No ise .............................................. .....3 65
No teson installing ...............................3 84
Ov ervie wof tirelabel ing......................3 76
Re mo ving ........................................ ..... 391 Re
placing .................................... 384,388
Re star tin gth etir epr essur emonit or‐
ing system ...........................................3 71
Ro tating ........... ....................................387
Sel ecti on ........... ..................................384
Sno wch ains ........................................ 366
Spe edrating ........... .............................379
St or ing .................................................3 87
Te mp eratur egr ade .............................. 376
Ti re and Loadi ngInfo rm atio nplacar d.. 372
Ti re pressur e(no tes) ........................... 366
Ti re pressur emonit oring system
(funct ion)............................................. 369
Ti re pressur eta ble .............................. 368
Ti re Qua lityGradi ng .......... ................... 376
Ti re size designation ............................3 79
TIREFIT kit....... ....................................347
Tr act ion grade ...................................... 376
Tr ead weargrade .................................3 76
Un usual handlingch aract eristic s........ 365
To ol
see Vehicle tool kit
To tal dist ance .......................................... 208
Displ aying ............................................ 208 500
Index

Wa
sher fluid
see Windsh ield wa sher fluid
Wa shing byhand (care)...... ....................336
Wa terta nk
see Air-water duct
We ather information ...............................275
wha t3wo rds
Des tinationentr ywi th a3 wo rd
addr ess ...............................................2 56
Whee lch ang e
Lo we ring theve hicle ........................... 392
Mounting ane wwheel .........................3 91
Re mo ving awhee l..... ...........................391
Re mo ving/ins talling hubcaps .............3 88
Whee lro tat ion .........................................3 87
Wheel s
Ca re <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 340
Ch ang inghubcap s<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 388
Ch ecking <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 365
Ch ecking thetir epr essur e(man‐
uall y)................................................ ... 369
Chec kingthetir epr essur e(tir epr es‐
sur emonit oring system) ......................3 71 Def
initio ns ............. .......................... ....381
DO T,Tire Identif ication Number (TIN)
..... .................................................. ......3 77
Fla ttir e <0011001100110011001100110011001100110011001100110011001100110011
0011> <0011001100110011001100110011001100110011001100110011001100110011
0011>..............345
Ins talling .............................................. 391
Load index...........................................3 79
Load -bearing cap acity <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 379
Maximum tireload ........................... ....3 78
Maximum tirepr essur e........................ 378
MOExt ended tires ................................ 346
No ise .............................................. .....3 65
No teson installing ...............................3 84
Ov ervie wof tirelabel ing......................3 76
Re mo ving ............................................. 391
Re placing .................................... 384,388
Re star tin gth etir epr essur emonit or‐
ing system ...........................................3 71
Ro tating ........... ................................. ...387
Sel ecti on ........... ..................................384
Sno wch ains ........................................ 366
Spe edrating ........... .............................379
St or ing ............................................. ....3 87
Te mp eratur egr ade .............................. 376
Ti re and Loadi ngInfo rm atio nplacar d.. 372
Ti re charact eristic s........................ ...... 379
Ti re pressur e(no tes) ........................ ... 366 Ti
re pressur emonit oring system
(funct ion)............................................. 369
Ti re pressur eta ble .............................. 368
Ti re Qua lityGradi ng .......... ................... 376
Ti re size designation ............................3 79
TIREFIT kit....... ....................................347
Tr act ion grade ...................................... 376
Tr ead weargrade .................................3 76
Un usual handlingch aract eristic s........ 365
Wi -Fi........ ..................................................240
Ov ervie w ............................................. 240
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 241
Se tting upaho tspo t<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 242
Wi nd deflect or
Car e....................................................3 39
Wi nd scr een
Car e....................................................3 39
Wi ndo ws
Closin g(all) ...........................................7 7
Opening (all).......................................... 77
Wi ndo ws
see Side windo ws
Wi ndo ws(car e)........................................ 340 In
de x 505