2022 MERCEDES-BENZ CLA wheel size

Obser
vethefo llo wing when selecting, installing
and replacing tires:
R Further mor e,theuse ofcer tain tiretypes in
cer tain regions andareas ofoper ationca nbe
high lybene/cia l.
R Onlyuse tires and wheels ofthesame type
(summer tires, wint ertires, MOExt ended tires)
and thesame make.
R Onlyinst allwheels ofthesame sizeonone
axle (leTandright) .
It is onl yper mis sibleto inst alladi.er ent
wheel sizeintheev ent ofa0at tirein order to
dr ive to thespecialist workshop.
R V V
ehicle swit ehicle
swit hatir h
atir epr e
pr essur essur
emoni t e
moni tor or
ing sy ing
sys- s-
t t
em: em:
Allinstalled wheels mustbeequipped
wit hfunctionin gsensor sfo rth etir epr essur e
monit oring system.
R Attemp eratur esbelo w45 °F(7°C) use win-
te rtir es orall-season tires mar ked004D M+S
fo rall wheels.
Wi nter tires prov ide thebest possible grip in
wintr yroad conditions. R
ForM+S tires, onlyuse tires withth esame
tr ead.
R Obser vethemaximum permissible speedfor
th eM+S tires inst alled.
If th etir e's maximum speedisbelo wthat of
th eve hicle, this must beindicat edbyan
appr opriatelabel inthedr iver's /eld ofvision.
R Break inne wtires atmoder atespeeds forth e
/r st 60 miles (100km).
R Replace thetir es aTer sixyearsat thelat est,
re ga rdless ofwe ar.
R When r When
replaci ngwit eplaci
ngwithtir h
tir es t es
that dono hat
donotf t
featu r eatu
re e
r r
un-0at un-0at
c c
har har
act act
er er
is is
tics: tics:
vehicles with
MOExt endedtires areno teq uipp edwitha
TIR EFIT kitatthefa ct or y. Eq uip theve hicle
wit haTIR EFIT kitaTer replacing withtir es that
do notfe atur eru n-0at charact eristics, e.g.
wint ertires.
Fo rmor einf ormation onwheels andtires, cont act
a qu ali/ed special istwo rkshop.
Be sureto also obser vethefo llo wing further rela-
te dsubjects:
R Noteson tirepr essur e(/ page295) R
Tire and Loadi ngInformatio nplacar d
(/ page302)
R Tire size desig nation,load- bearingcapacit y,
speed rating andload index(/ page309)
R Tire pressur eta ble (/ page297)
R Noteson theemer gency sparewheel
(/ page323) NNo o
t t
es on rot es
on rotatin gt atin
gthe wheels he
wheels &
W W
AR NIN G AR
NIN GRisk ofinjuryth ro ugh di.er ent
wheel sizes
Ro tating thefront and rear wheels can
se verely im pair thedr iving charact eristics.
The wheel brak es orsuspen sioncomponen ts
ma yalso bedamag ed. #
Rotate front and rear wheels onlyif th e
wheels andtires areof thesame dimen-
sions. The
wearpatt erns on thefront and rear wheels
di.er :
R Front wheels wearmor eon thetir eshoulder 316316
Wheels
andtires

R
Rear wheels wearmor ein thecent erofthe
tir e
Do notdr ive wit htir es that have toolittle tread
dep th.This signi/ can tly re duces traction onwet
ro ads (hydr oplan ing).
On vehicles that have thesame sizefront and rear
wheels, rotate thewheels accordingtotheint er-
va ls in thetir emanuf acturer'swarrant ybook in
yo ur vehicle docume nts. Ifth is is no tav ailabl e,
ro tate thetir es every3,000 to6,000 miles
(5,000 to10,000 km),depending onthewe ar.
Ensu rethat thedir ection ofrotation ismai n-
ta ined.
Obser vetheinst ruction sand safetyno teson
"Chang ingawheel" whendoingso (/ page318). NNo o
t t
es on st es
on stor or
ing wheels ing
wheels When
stor ing wheels, observethefo llo wing notes:
R ATer remo vingwheels, stor eth em inacool,
dr yand prefer abl ydar kplace.
R Protect thetir es from cont actwithoil, grease
or fuel. OvOv
er er
vie vie
wof t w
of the tir he
tire-c e-c
hang hang
et e
tool kit ool
kit *
N NO O
TE TE
Mer cedes- AMGvehicles #
Obser vetheno tesin theSupplement.
Yo ucould other wise failto recogn ize
dang ers. Apar
tfr om some countr y-speci/c variant s,vehi-
cles areno teq uipp edwithatir e-c hang eto ol kit.
Fo rmor einf ormation onwhic htir e-c hanging tools
ar ere qu ired and appr ovedfo rper form ing awheel
ch ang eon your vehicle, consu ltaquali/ed spe-
cialis two rkshop.
Yo ure qu ire th efo llo wing tools, forex am ple, to
ch ang eawheel:
R Jack
R Choc k
R Lugwr enc h
R Alignme ntbolt
The tire-c hangeto ol kit islocat edintool bag 1
in thetrunk . %
Depending ontheve hicle equipme nt,th eto ol
bag maybe locat edatother posit ionsin the
tr unk . The
tool bag cont ains:
R Jack
R Gloves
R Lugwr enc h
R Alignme ntbolt
R Folding choc k
R Ratche tfo rjac k Wheels
andtires
317 317

th
especi/ed tightening torq ue of96 lb-T
(1 30 Nm) . &
W W
AR NIN G AR
NIN GRisk ofacc iden tdu eto incor -
re ct tightenin gto rq ue
Th ewheels couldcome looseifth ewheel
bolts orwheel nutsareno ttight ened tothe
pr escr ibed torq ue . #
Ensur eth at thewheel boltsorwheel
nuts aretight ened tothepr escr ibed
tight ening torq ue . #
Ifyo uar eno tsur e,do notmo vetheve hi-
cle. Contact aqu ali/ed special istwo rk-
shop andhave thetight ening torq ue
ch eckedimmediat ely. #
Chec kth etir epr essur eof thene wly installed
wheel andadjust itifnecessar y.
% The follo wing does notappl yif th ene wwheel
is an emer gency sparewheel. #
V V
ehicle swit ehicle
swit htir h
tir epr e
pr essur essur
eloss w e
loss war ar
nin gsy nin
gsy s- s-
t t
em: em:
Restar tth etir epr essur eloss warning
sy stem (/ page301). #
V V
ehicles wit ehicles
withatir h
atir epr e
pr essur essur
emonit e
monit or or
ing sy ing
sys- s-
t t
em: em:
Restar tth etir epr essur emonit oring sys-
te m (/ page300). Emer
g Emer
gency spar ency
sparewheel e
wheel NNo o
t t
es on t es
on the emer g he
emer gency spar ency
sparewheel e
wheel &
W W
ARNIN G ARNIN
GRisk ofaccident causedby
incor rect wheel andtiredimen sions
The wheel ortiresizes andthetir etype ofthe
emer gency sparewheel orspar ewheel and
th ewheel tobe replaced maydi.er .The emer -
ge ncy sparewheel orspar ewheel cansigni/-
cantl yim pair drivi ng charact eristics ofthe
ve hicle.
To prev ent hazar dous situations: #
Drive car efull y. #
Neverinst allmor eth an one emer gency
spa rewheel orspar ewheel that di.er s
in size . #
Onlyuse anemer gency sparewheel or
spar ewheel brie0y . #
Donotdeacti vate ESP ®
. #
Have theemer gency sparewheel or
spar ewheel ofadi.er entsize replaced
at thenear estquali/ed special istwo rk-
shop. Thenewwheel mustha ve thecor -
re ct dimen sions. %
The emer gency sparewheel issecur edinthe
emer gency sparewheel baginthetrunk .
Obser vethefo llo wing noteson installing anemer -
ge ncy sparewheel:
R The maximum permissibl espeed withan
emer gency sparewheel installed is50 mph
(80 km/h ).
R Donoteq uip theemer gency sparewheel with
sno wch ains.
R Replace theemer gency sparewheel aTersix
ye arsat thelat est, rega rdless ofwe ar.
R Chec kth etir epr essur eof theemer gency
spa rewheel installed. Correct thepr essur eas
necessar y.
% The speci/ed tirepr ess ureis stat ed on the
label oftheemer gency sparewheel. Wheels
andtires
323 323

Sid
ewi ndo ws Sid
ewi ndo ws
Child safetyloc kin there ar
passen gercom partment ..........................65
Closing usingtheSmar tKey <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F> 80
Con venienc eclo sing. .......... .....................80
Con venienc eope ning .......... .....................79
Openin gwit hth eSmar tKey <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F> 79
Opening/c losi<004F0048000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F> 78
Pr oblem <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F> 80
Size designation (tir Size
designation (tires) es)<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F>
309
Sliding sunr Sliding
sunroof oof
Au tomatic functions. ................................ 83
Closing ...... ..............................................8 1
Closing usingtheSmar tKey <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F> 80
Opening <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F> 81
Opening withth eSmar tKey <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F> 79
Pr oblem <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F> 84
Ra in-closing featur e.................................8 3
Sma r Sma
rtK ey tK
ey
Ac oust icloc king veri/catio nsig nal ...........6 7
Batt ery.. ...... .............................................68
Dea ctivating a<00470056004F00440055004A0050004F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F> 67
Ener gycons umption ...... ..........................67
Fu nctio nove rview........ ............................ 66
Ke yring attachm <0046004F0055000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F> .................. 68 Mec
hanica lke y.<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F> 68
Pa nic alarm<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F> 67
Pr oblem <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F> 69
Unloc kingse<00550055004A004F0048000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F> 67
Smar Smar
tKey tK
ey
see Smar tKey
Sma r Sma
rtph one tph
one
se eSma rtphone integration
see Telephone
Smar Smar
tphone int tphone
integr eg
ration ation
Ov ervie w........ ........................................ 246
Sno Sno
wc w
chains hains.....
........................ ...................2 95
Soc ke Soc
ket(12 V) t
(12 V)
Fr ont cent erconsole... ........................... 108
Tr unk/car gocom partment .....................108
Soc ke Soc
ket(115 V) t
(115 V)
Re ar passen gercom partment ................ 109
SoTw SoTw
are ar
eupdat e updat
e
Sy stem updat es........ ............................. 223
Sound Sound
PRE-S AFE®
Sound....... ............ ................ 50
Wheels andtires ...... .............................. 294
Wheels/tir es........ .................................. 294 Sound
menu Sound
menu
Fu nctio nsove rview........ ........................ 258
Spar Spar
ewheel e
wheel
see Emer gency sparewheel
Spe cial seat beltre Spe
cial seat beltre tr tr
act act
or or
<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F> 56
Specia lis Specia
listw t
w or k or
ksho p sho
p
see Qual i/edspec ialistwo rkshop
Spe edinde Spe
edindex (tir x
(tir es) es)
....................................... 309
St St
andb andb
ymode y
mode
Ac tivating/dea ctiv<00420055004A004F0048000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F> 156
Fu nctio n.......... ...................................... 156
St St
andi nglights andi
nglights.. ...........................................1 14
St St
ar ar
t-o. t-o.
assis t assis
t
Ac tiv<00420055004A004F0048000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F> 163
Fu nctio n.......... ...................................... 163
St St
ar ar
t/ st t/
stop but t op
but ton on
Pa rking theve hicle ................................. 149
St artin gth eve hicle. ...............................1 31
Switc hingonthepo we rsuppl y/vehicle ..130
St St
ar ar
t/ st t/
stop funct ion op
funct ion
see ECOstar t/ stop funct ion
St St
art ar
ter batt er
batt ery er
y
Char ging(R emo teOnlin e)..... .................1 32 424424
Inde
x

TT
ir ir
e pr e
pr essur essur
et e
table able....
................................... 297
T T
ir ir
e Quality Gr e
Quality Grading ading.
.....................................306
T T
ir ir
e t e
tem em
per per
atur e atur
e
Ti re pressur emonit oring system
(function )............................................... 298
T T
ir ir
e tr e
tread ead.....
................................................ 294
T T
ir ir
e-c e-c
hang hang
et e
tool kit ool
kit
Ov ervie w..... ........................................... 317
TIREFIT kit TIREFIT
kit
St orag elocation.. ................................... 277
Using.. ................................................... 277
T T
ir ir
es es
Char acterist ics ....................................... 309
Chec king............................................... 294
Chec kingthetir epr essur e(manuall y)..... 298
Chec kingthetir epr essur e(tir epr es-
sur emonit oring system) ......................... 299
De/n itions..... ........................................ 311
DO T,Tire Identi/cation Number(TIN) .....3 07
Flat tire....... ...........................................275
Inst alling...... .......................................... 321
Load index.......... ................................... 309
Load-bear ingcapa city....... ..................... 309
Maximum tireload..... ............................ 308 Maximum
tirepr essur e.<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F> 308
MOEx tended tires.......... ........................276
Noise gener atio <004F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F> .................294
No teson installing ................................. 313
Ov ervie wof tirelabeling...... ...................306
Re mo ving..... ......... ................................. 321
Re placing.. .....................................3 13, 318
Re placing thewheel trim. ..... .................. 318
Re star ting thetir epr essur eloss warn-
ing system.. ...........................................3 01
Re star ting thetir epr essur emonit or-
ing system.. ........................................... 300
Ro ta<0055004A004F0048000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F> 316
Selectio <004F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F> 313
Sno wch ains .......................................... 295
Sp eed rating....... <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F> 309
St oring.... ................ ............................... 317
Te mp eratur egr ade ................................. 306
Ti re and Loadi ngInformatio nplacar d..... 302
Ti re pressur e(no tes)... ........................... 295
Ti re pressur eloss warning system
(function)...... ......................................... 300
Ti re pressur emonit oring system
(function )............................................... 298
Ti re pressur eta ble .................................2 97
Ti re Quality Grading ...............................3 06 Ti
re size desig nation.............................. 309
TIR EFIT kit.............................................. 277
Tr actio ngr ade ........................................3 06
Tr ead weargrade ................................... 306
Un familiar handling ................................ 294
T T
ool ool
see Vehicle tool kit
T T
op Tet op
Tether her.
..................................................... 59
T T
ouc ouc
hCon tr h
Con trol ol
On- boar dcom puter................................ 209
Oper ating.... ...... .................................... 216
T T
ouc ouc
hpad hpad
Oper ating.... ...... .................................... 216
T T
ouc ouc
hscr hscr
een een
Oper ating.... ...... .................................... 216
To w To
w-a wa -a
wa yalar m y
alar m
Ac tivating/dea ctivating <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F> 86
Fu nctio n.......... ........................................ 86
To w To
w-bar syst -bar
system em
<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F> ...206
To w To
w-st -st
ar ar
ting ting<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F>
............290
To To
wing away wing
away<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F> 287
To To
wing eye wing
eye
Ins talling... .............................................290 Inde
x
427 427