2020 MERCEDES-BENZ CLA 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 44
3

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(/ page42 4) R
Tire and Loadi ngInfo rm atio nplacar d
(/ page43 1)
R Tire size designation, load-bearing cap acity,
spe edrating andload index(/ pag e438)
R Tire pressur eta ble (/ page425 )
R Noteson theemer gency sparewheel
(/ page45 2) 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. Wheels
andtires 44
5

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
(/ page44 7). 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.
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 44
6
Wheels andtires

#
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 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 (/ page430).
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 (/ page429).
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(/ page42 4) 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: 45
2
Whe elsand tires

#
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(/ page42 4)
R Tire and Loadi ngInfo rm atio nplacar d
(/ page43 1)
R Tire pressur eta ble (/ page425) Re
mo ving the eme rgency sparewheel The
deflated eme rgency sparewheel issecur ed
in theemer gency sparewheel baginthetrunk . #
Obser vetheinf ormation onmount ingtires
(/ page44 3). #
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. Inflati
ngtheemer gency spar ewheel *
NO
TEOverhea ting dueto thetir einf la‐
tion compressor running toolong #
Donotru nth etir einf lation compressor
fo rlong erthan tenminu teswit hout
int erru ption. Wheels
andtires 453

Selec
tingthesound profile
Bur mes ter®
sur round soun dsy stem ...382
Select orleve r
see DIRECT SELECTleve r
Self-t est
Au tomatic front pass engerfront air‐
bag shut off..... ....................................... 45
Sens ors(Car e).........................................3 96
Ser vicece nter
see Qualified speci alistwo rkshop
Ser vice interva ldisp lay
see ASSYST PLUS
Ser vice station search
St artin gaut omat icsear ch<0011001100110011001100110011001100110011001100110011001100110011
001100110011> 307
Se tting aspe ed
see Cruise contr ol
Se tting thedatefo rm at ....... ................... 282
Se tting thedis tance unit........................ 286
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> 145
Shor tmessag es
see Messag es
Side airbag .................................................4 0
Side impact protection ............................ 191
Side windo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 77
Child safetyloc kin there ar
passe nger com partment ................ .......6 2
Closin g............................................ ...... 77
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 79
Co nve nience closing featur e.......... .......7 9
Con venie nce openi ng <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> ..78
Opening .......................................... .......7 7
Opening withth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 78
Pr oblem .......................................... .......7 9
Size designation (tires) ........................... 438
Sliding sunroof...........................................8 1
Au tomatic functions .............................. 83
Clo sing ............................................. ..... 81
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 79
Ope ning <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 81
Opening withth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 78
Pr oblem .......................................... .......8 4 Ra
inclos ingfunc tion .............................8 3
Smar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 64
Ac ous ticlocking verificati onsignal ....... 65
Batt ery <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>66
Energy consumption........... ...................66
Fe atur es................................................ 64
Ke yring attachme nt<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ......66
Mec hanica lke y ...................................... 66
Ov ervie w ...............................................6 4
Pa nic alar m <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011>65
Pr ob lem <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011>.68
Unl ocking setting .................................. 65
Sm artK ey functio ns
Deactiv ating.......................................... 66
Smar tphone
see Andr oidAuto
see Apple CarPla y®
see Mercedes-Benz Link
see Telephon e
Sno wch ains ............................................423
Soc ket(1 2 V) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 108
Fr ont cent erconsole ........................... 108
Tr unk ...................................................1 09 Inde
x55
7

Ti
re size designation ............................4 38
Tr act ion grade .....................................4 35
Tr ead weargrade ............................ .....4 35
Ti re load (maximu m)...............................4 37
Ti re pres sur e<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 425,426
Ch ecking (manually)<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 426
Ch ecking (tirepr ess uremoni toring
sy stem) ............................................... 428
Maximum ............................................ 437
No tes ................................................... 424
Re star tin gth etir epr essur eloss
wa rning system .............................. ..... 430
Re star tin gth etir epr essur emonit or‐
ing system ...........................................4 29
Ti re pressur eloss warning system
(funct ion)............................................. 429
Ti re pressur emonit oring system
(funct ion)............................................. 427
Ti re pressur eta ble .......................... .... 425
TIREF ITkit ...........................................4 03
Ti re pres sur elo ss wa rning system
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>429
Re star tin g.... .................................. ...... 430 Ti
re pres sur emoni tor............ .................429
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>427
Re star tin g...................................... ...... 429
Ti re pres sur emoni toring system
Chec kingth etir epr essur e.................. 428
Ti re pres sur etab le<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 425
Tir eQual ityGradin g<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 435
Tir ete mp eratur e
Ti re pressur emonit oring system
(funct ion)............................................. 427
Ti re tread <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ..422
Tir e-c hang eto ol kit
Ov ervie w ........................................ .....4 46
TIREF ITkit ....... ......................................... 403
St or ag elocation .............................. ....4 03
Using ...................................................403
Ti re s
Chan ginghub caps .............................. 447
Charact eristic s................................ .... 438
Chec king.............................................4 22
Che cking thetir epr essur e(man‐
uall y)................................................ ... 426 Chec
kingthetir epr essur e(tir epr es‐
sur emonit oring system) ......................4 28
Def initio ns....... ....................................440
DO T,Tire Identif ication Number (TIN)
..... ........................................................4 36
Flat tire ....... ......................................... 402
Ins talling .............................................. 450
Load index...........................................4 38
Load -bearing cap acity <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> .438
Maxi mum tireloa d....... ........................437
Maxi mum tirepr essu re<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 437
MOExt endedtir es <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 402
Noise <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 422
No teson installing .............................. 443
Ov ervie wof tirelabel ing......................4 35
Re mo ving ............................................ 450
Re placing .................................... 443,44 7
Re star tin gth etir epr essur eloss
wa rning system ................................... 430
Re star tin gth etir epr essur emonit or‐
ing system ...........................................4 29
Ro tating ........... ....................................445
Sel ectio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 443
Sno wch ains ........................................ 423
Spe edrating ........... .............................438
St or ing ................................................ 446 Inde
x56
1

Te
mp eratur egr ade .............................. 435
Ti re and Loadi ngInfo rm atio nplacar d.. 431
Ti re pressur e(no tes) ........................... 424
Ti re pressur eloss warning system
(funct ion)............................................. 429
Ti re pressur emonit oring system
(funct ion)............................................. 427
Ti re pressur eta ble .......................... .... 425
Ti re Qua lityGradi ng .......... ................... 435
Ti re size designation ........................ ....4 38
TIREFIT kit....... ....................................403
Tr act ion grade .....................................4 35
Tr ead weargrade .................................4 35
Un usual handlingch aract eristic s........ 422
To ol
see Vehicle tool kit
To pTe ther .................................................. 56
To tal dist ance .......................................... 222
Displ aying ............................................ 222
To uc hCon trol ...... .................................... 250
On-board computer ...... ........................ 217
Oper ating ............ ................................ 250
Se tting acous ticoper ating feedbac k... 251
Se tting thesensit ivity.......................... 251 To
uc hpad ..................................................252
Ac tivati ng/d eactiv ating haptic oper‐
atin gfe edbac k.....................................2 54
Oper ating ............................................ 252
Re adin gth ehandwr itingrecogni tion
al ou d <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011>253
Sele cting ast atio nand track.......... .....2 54
Se tting acoustic ope rating feedbac k... 254
Se tting thesensit ivity..................... ..... 253
To uc hscr een(media display)
Ent ering charact ers ........................ .....2 78
Oper ating ............................................. 251
Se tting acous ticoper ating feedbac k... 252
To w- aw ay alar m
Ac tivati ng/d eactiv ating ........... ..............87
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>87
To w- bar system ........................................ 214
To w- star ting .............................................418
To wing away <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 414
To wing eye
Ins talling .............................................. 417
St or ag elocation .............................. ..... 417
To wing methods .......................................4 13 Tr
actio ngr ade ......................................... 435
Tr af fic inf orma tion ...................................3 15
Car -to- X- Comm unication.....................3 18
Dis play ing thetra ffic map .................... 316
Dis play ing traffic inci dents <0011001100110011001100110011001100110011001100110011001100110011
00110011> 317
Liv eTraf fic Inf ormati on<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 316
Ov ervie w ..............................................3 15
Swi tching onthedispla y......................3 17
Tr af fic ma p
see Map
Tr af fic Sign Assis t...................................2 07
Fu nctio n/no tes ................................... 207
Se ttin g.................................................2 08
Sy stem limit ations ...............................2 07
Tr ansf erre dve hicl edata
Andr oidAuto <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 350
Appl eCa rPlay®
<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 350
Tr ansmis sion(pr obl em) .......................... 147
Tr ansmis sionposi tion displa y....... .........142
Tr anspo rting
Ve hicle .................................................4 16
Tr ead weargrade .....................................435
Tr im element (Care).................................3 97 562
Index