2019 MERCEDES-BENZ C-CLASS CABRIOLET wheel size

of
skidding orhydroplaning 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. 0007
Switc hon theES P®
and adap tyo ur
dr ivin gst yle accor dingly. 0007
Use M+S tireat outside temp eratur es
of less than 10 °C (50 °F). 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 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, 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(0013 page380)
R Tire and Loadi ngInfo rm atio nplacar d
(0013 page38 7)
R Tire size designation, load-bearing cap acity,
spe edrating andload index
( 0013 page39 4)
R Tire pressur eta ble (0013 page38 1) Wheels
andtires 40
1

No
teson rotat ing whee ls 000A
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. 0007
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 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 is no 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 .
It is im pe rativ eto obser vetheins truction sand
saf etyno teson "Cha nging awheel" whendoing
so Prepar ingtheve hicle fora whee l
ch ang e(0013 page40 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 yfa ilto rec‐
ogni zedangers. 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 hangeto ols
ar ere 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 . 402
Wheels andtires

Shor
tmessag es
see Text mes sage s
Side airbag .................................................4 0
Side impact protection ...........................1 87
Side windo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 73
Closin g............................................ ...... 73
Closin g(all) ............ ........................ ........ 73
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 76
Con venie nce closing featur e.................. 76
Con venie nce openi ng <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ...75
Opening .......................................... .......7 3
Opening (all).......................................... 73
Opening withth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 75
Pr oblem .................................................7 6
Size designation (tires) ........................... 394
Smar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 62
Ac ous ticlocking verificati onsignal ....... 63
Batt ery <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>64
Energy consumption............ ..................63
Fe atur es................................................ 62
Ke yring attachme nt<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .....64
Mec hanical key ...................................... 64
Ov ervie w ............... ........................... ..... 62
Pa nic alar m <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011>63Pr
ob lem <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011>65
Un loc kin gse tting ............................ ...... 63
Sma rtKe yfunctions
Deactiv ating.......................................... 63
Smar tphone
see Andr oidAuto
see Apple CarPla y™
see Mercedes-Benz Link
see Telephon e
Sno wch ains .............................................379
Soc ket(1 2 V) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 108
Fr ont cent erconsole ........................ ... 108
Fr ont passeng erfoot we ll................ .....1 09
Re ar passe nger com partment .............1 08
Sof tto p
Car e................................................ .... 350
Closin g(sof t-to pswitc h)........................ 78
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 76
Opening (soft-top switc h)............... .......7 8
Opening withth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 75
Pr oblem .................................................8 4
Re loc kin g........................................ .......7 9
Sof t-top switc h.......................................... 78 Sof
twareupda te<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 258
Im por tant system updat es.................. 259
Inf ormation .......................................... 258
Pe rfor ming .......................................... 259
Sound PRE-S AFE®
Sound ................................. 49
Wheels andtires ..................................3 78
Sound see Burmes ter®
sur round soun dsy stem
see Sound settings
Sound settings ........................................3 35
Ad jus ting thebalance/f ader............... 335
Ad jus ting treb le,mid -rang eand bass
se tting s............. .................................. 335
Au tomatic volume adjustment .............3 35
Ca lls up thesound menu ..................... 335
Inf ormation .......................................... 335
Special seatbeltretract or <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 55
Spe ciali st wo rkshop ..................................2 7
Speec hdialog system
see Voice Cont rolSy stem
Speed index(tir es) ..................................3 94 51
0
Inde x

Sho
wing/hi ding thewe bbr ows er
menu ................................................... 312
Wheel chang e
Lo we ring theve hicle ........................... 408
Mounting ane wwheel ..................... ....4 07
Re mo ving awhee l..... ..........................4 06
Re mo ving/ins talling hubcaps .............4 04
Whee lro tat ion .........................................4 02
Whee ls
Ca re <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 352
Ch ang inghubcap s<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 404
Ch ecking <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 378
Chec kingth etir epr essur e(man‐
uall y)............... ................................. ... 382
Chec kingthetir epr essur e(tir epr es‐
sur emonit oring system) ......................3 84
Def initio ns ............ ...............................397
DO T,Tire Identif ication Number (TIN)
..... .................... .............................. ......3 92
Flat tire ....... ......................................... 358
Ins talling .............................................. 407
Load index...........................................3 94
Load-be aring capaci ty..... .................... 394
Maximu mtireload ......................... ..... 393
Maximu mtirepr essur e..... ................... 394 MOExt
ended tires ................................358
Noise ............................................. ......3 78
No teson installing .............................. 399
Ov ervie wof tirelabeling ...................... 391
Re mo ving ............................................ 406
Re placing .................................... 399, 403
Re star tin gth etir epr essur eloss
wa rning system .............................. ..... 386
Re star tin gth etir epr essur emonit or‐
ing system ...........................................3 85
Ro tating ........... ................................. ...402
Sel ecti on ........... ..................................399
Sno wch ains ........................................ 379
Spee dra ting ........... .............................394
St or ing ............................................. ... 402
Te mp eratur egr ade .............................. 391
Ti re and Loadi ngInfo rm atio nplacar d.. 387
Ti re charact eristic s........................ ...... 394
Ti re pressur e(no tes) ........................ ... 380
Ti re pressur eloss warning system
(funct ion)............................................. 386
Ti re pressur emonit oring system
(funct ion)............................................. 383
Ti re pressur eta ble .......................... .....3 81
Ti re Qua lityGradi ng .......... ................... 391
Ti re size designation ........................ ....3 94 TIREFIT
kit...........................................3 59
Tr act ion grade ...................................... 391
Tr ead weargrade .................................3 91
Un usual handlingch aract eristic s.........3 78
Wi -Fi........ .................................................252
Ov ervie w ....... ......................................252
Se tting ................................................. 252
Se tting upaho tspo t....... ..................... 253
Wi nd deflect or
Car e....................................................3 50
Wi nd scr een
Car e..................................................... 351
Wi ndo ws
Closin g(all) ............................................ 73
Opening (all).......................................... 73
Wi ndo ws
see Side windo ws
Wi ndo ws(Car e).......................................3 52
Wi ndshield ........................................1 18,12 4
Defr osting ............ ................................124
Re placing thewiper blades .................. 118
Wi ndshield
see Windsh ield Inde
x51
9