2020 MERCEDES-BENZ S-CLASS CABRIOLET tire size

th
ese areins talled ontheve hicle, butdoes not
include passeng ersor lugg age.
Maximum tireload: themaximum tireload is
th emaximum permissible weight inkilog rams or
lbs forwhi chatir eis appr oved.
Maxim umpermissible tirepr essur e:maxi‐
mum permissible tirepr essur efo rone tire.
Maximum loadonone tire: maximu mloa don
one tire. This iscalcu lated bydividing themaxi‐
mum axleload ofone axle bytwo.
PSI (pounds persquar ein ch ):standar dunit of
meas uremen tfo rtir epr essu re.
Aspe ctratio :ra tio betwee ntire height and tire
wi dthin pe rcent .
Ti re pres sur e:press ureinsi dethetir eappl ying
an outw ardfo rc eto eve rysquar einc hof thetir e.
The tirepr essur eis specif iedinpounds per
sq uar einc h(psi), inkilopascals (kPa)or inbar .
The tirepr essur eshould onlybe cor rected whe n
th etir es arecold.
Cold tirepr essur e:thetir es arecold when the
ve hicle hasbeen parkedfo rat lea st3hou rs wit
hout direct sunli ghtonthetir es ortheve hicle
has been driven forless than 1mile (1.6 km ).
Ti re contact surface: thepar tof thetir eth at
com esintocon tact with thero ad.
Ti re bead: thepur pose ofthetir ebead isto
ensur eth at thetir esits secur elyon thewheel
ri m. Ther ear ese veralwir ecor esinthetir ebead
to preve ntthetir efrom chang inglengthon the
wheel rim.
Side wall:thepar tof thetir ebe tween thetread
and thetir ebead.
We ight ofoptiona leq uipm ent:th ecombin ed
we ight oftheop tion aleq uipment weighin gmor e
th an there placed standar dpar tsand moreth an
5 lbs (2.3kg ).This optional equipment, suchas
high-per form anc ebr ak es, leve lcon trol system, a
ro of lugg agera ck orhigh-per form anc ebat teries,
is no tincluded inthecurb weight andthewe ight
of theaccessor ies.
TIN (Tire Identif ication Numbe r):auni que
ident ificat ion numb erwhic hcan beused bya
tir ema nuf actu rerto ident ifytires, forex am ple,
in apr oduc tre cal l,and thus iden tifyth epur‐
ch aser s.The TINismade upofthemanuf actur‐ er's
identit ycode, tiresize, tiretype code and
th emanuf acturingdate.
Load-bear inginde x:theload-bear inginde xis a
code that con tains themaximum load-bearing
capacity ofatir e.
Tr actio n:traction isthegr ip resulting from fric‐
tion between thetir es and thero ad sur face.
We arindi cator:nar row bars(tr ead wearbar s)
th at aredis tribut edove rth etir econ tact surface.
If th etir etread isleve lwit hth ebar s,thewe ar
limit of1/ 16 in(1.6 mm) hasbeen reac hed.
Dis tribut ionofvehicl eoc cupants: distribu tion
of vehicle occupants over designat edseat posi‐
tion sin ave hicle.
Maximum permissible payload weight :nom i‐
nal load andluggageload plus150lb (68 kg)
multip liedby thenumber ofseats intheve hicle. Wheels
andtires 409

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, 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. 41
0
Wheels andtires

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(/ page39 1) R
Tire and Loadi ngInfo rm atio nplacar d
(/ page39 7)
R Tire size designation, load-bearing cap acity,
spe edrating andload index(/ pag e405 )
R Tire pressur eta ble (/ page392)
R Noteson theemer gency sparewheel
(/ page41 9) 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. 41
2
Wheels andtires

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
(/ page41 4). 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 ols 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 . 1
Ratche t
2 Alignme ntbolt
3 Jack ing suppor t
4 Jack
5 Lugwr enc h
6 Folding choc k Wheels
andtires 41
3

#
Place thera tche tont oth ehe xagon nutofthe
jac kso that theletter s"AB" arevisible. #
Tolowe rthe vehicl e:tur nth era tche tof the
jac kcou nter-clo ckwise. #
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 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. #
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 atir epr ess uremonit oring
sy stem: Restar tth etir epr essur emonit oring
sy stem (/ page396).
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(/ page39 1) 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. Mount‐
ing anemer gency sparewheel/ sparewheel
ma yse verely im pa irth edr iving charact eris‐
tic s.
To preve nthazardous situa tions: #
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 Wheels
andtires 41
9

Shif
ting gears
Gea rshif tre comme ndation <0011001100110011001100110011001100110011001100110011001100110011
00110011> 149
Shor tmessag es
see Text mes sage s
Side airbag .................................................4 1
Side impact protection ...........................1 94
Side windo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 84
Closin g.................................................. 84
Closin g(all) .......... .......................... .......8 4
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 86
Co nvenienc eclosing featur e.................8 6
Con venie nce openi ng <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ...86
Ope ning <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 84
Opening (all).......................................... 84
Opening withth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 86
Pr obl em <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 87
Size designation (tires) ........................... 405
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
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011>63
Pr ob lem <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011>66
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 ............................................390
Soc ket(1 2 V)
Re ar passe nger com partment .............. 112
Tr unk .............................................. ...... 112
Sof tto p
Car e................................................ .... 363
Closin g(sof t-to pswitc h)................ ........ 77
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 86
Ope ning (soft-top switch) <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 77
Opening withth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 86
Pr obl em <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 83
Re loc kin g...............................................7 9
Sof t-top switc h.......................................... 77 Sof
twareupda te<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 267
Inf ormati on<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 267
Pe rfor ming ...........................................2 67
Sy stem updat es................................... 268
Sound PRE-S AFE®
Sound ................................. 49
Wheels andtires ..................................3 89
Soun d
see Burmes ter®
sur round soun dsy stem
see Sound settings
Sound settings ........................................3 46
Ad jus ting thebalance/f ader............... 346
Ad jus ting treb le,mid -rang eand bass
se tting s............. .................................. 346
Au tomatic volume adjustment .............3 46
Ca lls up thesound menu ..................... 346
Inf ormation .......................................... 346
Spar ewheel
see Emer gency sparewheel
Specia lseat beltretract or <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 56
Spe ciali st wo rkshop ..................................2 6
Speec hdialog system
see Voice Cont rolSy stem 526
Index

Te
lephone number
Dialin g(on- boar dcom puter) ................ 230
Te lephon yoper ating mod es
Blue tooth®
Te lephon y.......................... 299
Te lephon yoper ating mod es
see Second telephon e
Te mp eratur egr ade .................................. 402
Te xt messag es......................................... 307
Call ingamessag esender .................... 308
Changing folder s.................................3 09
Com posing....... ................................... 308
Conf iguring thedispla yedte xt mes ‐
sa ge s...... ....................................... ...... 307
Dele ting .......................................... ..... 309
Dr afts .................................................. 309
No tes ............... .................................... 307
Op tions .......................................... ...... 309
Outbo x................................................ 309
Re ad-al oudfunction ............................ 308
Re adin g...............................................3 08
Re plying .............................................. 308
Sen ding ...... .........................................3 08
Vo ice com mand s(V oice ControlSy s‐
te m) ..................................................... 245 Thr
oug h-loadin gfe atur ein there ar
passe nger comp artment ........................109
Ti me
Manual timesettin g............................. 259
Se ttin gsummer time..................... ...... 259
Se ttin gth etime anddateaut omati‐
call y................................................ ..... 259
Se tting thetime zone.......................... 259
Se tting thetime/ datefo rm at .............. 259
TIN (Tire Ident ificat ionNumbe r)........... .403
Ti re and Loading Information placard... 397
Ti re charact eristics ................................. 405
Ti re inf lation com pressor
see TIREF ITkit
Ti re informa tion table .............................3 97
Ti re labeling .............................................4 02
Cha racter istics <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> ........405
DO T,Tire Identif ication Number (TIN)
..... .................................................. ......4 03
Load index....... ....................................405
Load -bearing cap acity <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 405
Ma ximu mtireload <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> ....404
Ma ximu mtirepr ess ure <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 404Ov
ervie w <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 402
Spe edrating ........... .............................405
Te mp eratur egr ade .............................. 402
Ti re Qua lityGradi ng .......... ................... 402
Ti re size designation ............................4 05
Tr act ion grade .....................................4 02
Tr ead weargrade .................................4 02
Ti re load (maximu m)...............................4 04
Ti re pres sur e<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> .392,393
Che cking (manuall y)............................ 393
Chec king(tir epr essur emon itor ing
sy stem) ............................................... 395
Maximum ............................................ 404
No tes ................................................... 391
Re star tin gth etir epr essur emonit or‐
ing system ...........................................3 96
Ti re pressur emonit oring system
(funct ion)............................................. 394
Ti re pressur eta ble .............................. 392
TIREF ITkit ............................................ 371
Ti re pres sur emoni tor............. ................397
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 394
Re star tin g............................................ 396 In
de x 529

Ti
re pres sur emoni toring system
Chec kingth etir epr essur e.................. 395
Ti re pres sur etab le<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 392
Tir eQual ityGradin g<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 402
Tir etread <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> ..............389
Tir e-c hang eto ol kit
Ov ervie w ........................................ ...... 413
TIRE FITkit <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 371
St or ag elocation ..................................3 71
Using .................. ................................. 371
Ti re s
Chan ginghub caps .............................. 414
Charact eristic s................................ .... 405
Chec king.............. ...............................3 89
Che cking thetir epr essur e(man‐
uall y)........................ ........................ ... 393
Chec kingthetir epr essur e(tir epr es‐
sur emonit oring system) ......................3 95
Def initio ns....... ................................... .407
DO T,Tire Identif ication Number (TIN)
..... .................................................. ......4 03
Flat tire ....... ..................... .................... 369
Ins talling .............................................. 417
Load index..... ...................................... 405 Load-be
aring capaci ty..... ............... ..... 405
Maximu mtireload ......................... ..... 404
Maximu mtirepr essur e..... .................. 404
MOExt ended tires ................................370
No ise .............................................. .....3 89
No teson installing ...............................4 10
Ov ervie wof tirelabel ing......................4 02
Re mo ving ............................................. 417
Re placing .....................................4 10,41 4
Re star tin gth etir epr essur emonit or‐
ing system ...........................................3 96
Ro tating ........... ................................. ...412
Sel ectio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 410
Sno wch ains ........................................ 390
Spe edrating ........... .............................405
St or ing ............................................. ....4 13
Te mp eratur egr ade .............................. 402
Ti re and Loadi ngInfo rm atio nplacar d.. 397
Ti re pressur e(no tes) ........................ ....3 91
Ti re pressur emonit oring system
(funct ion)............................................. 394
Ti re pressur eta ble .......................... .... 392
Ti re Qua lityGradi ng .......... ................... 402
Ti re size designation ........................ ....4 05
TIREFIT kit....... .....................................371
Tr act ion grade ................................ .....4 02 Tr
ead weargrade .................................4 02
Un usual handlingch aract eristic s........ 389
To ol
see Vehicle tool kit
To tal dist ance .......................................... 227
Displ aying ............................................ 227
To uc hCon trol ...... .................................... 250
On-board computer ...... ....................... 222
Oper ating ............................................250
Se tting thesensit ivity.......................... 250
To uc hpad ..................................................251
Ac tivati ng/d eactiv ating haptic oper‐
ation feedbac k.................................... 252
Oper ating ............................................. 251
Re adin gth ehandwr itingrecogni tion
al ou d <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011>252
Sele cting ast atio nand track...............2 52
Se tting thesensit ivity.......................... 252
Switc hingon/off................................. 251
To w- bar system .......................................2 20
To w- star ting .............................................385
To wing away <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 381 530
Index