2021 MERCEDES-BENZ CLS wheel size

of
skidding andhydroplaning 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. #
Switc hon theES P®
and adap tyo ur
dr ivin gst yle accor dingly. #
Use 004D M+Stires atoutside temp er‐
atur esofless than 50 °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 ked004D M+S
fo rall whee ls.
Wi nter tires prov ide thebes tpossible grip in
wintr yro ad con dition s.
R For004D M+Stires, only usetires wit hth e
same tread.
R Obser vethemaximum permissible speedfor
th e004D M+Stires 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-f lat 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(/ page29 7)
R Tire and Loadi ngInfo rm atio nplacar d
(/ page30 4)
R Tire size designation, load-bearing cap acity,
spe edrating andload index(/ pag e31 1)
R Tire pressur eta ble (/ page299)
R Noteson theemer gency sparewheel
(/ page32 5) 31
8
Wheels andtires

No
teson rotat ing whee ls &
WARNIN GRisk ofinju rythro ugh differ‐
ent whee lsizes
Rot atin gth efront and rear wheels can
se verely im pa irth edr iving charact eristic s.
The wheel brak es orsuspe nsion com ponents
ma 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 thetir eshoulder
R Rear wheels wearmor ein 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 tate thewheels accordingtothe
int erva ls in thetir emanuf acturer'swarrant y book
inyour vehicle documents. Ifth is isno t
av ailable, rotate thetir es every
3000 to6000 miles(500 0to 10,000 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
(/ page320). 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 *
NO
TEMercede s-AMG vehicles #
Obser vetheno tesin theSupplement .
Yo uco uld other wise failto recogni ze
da ngers. 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 hangi ng
to ols arere qu ired and appr oved forper form ing a
wheel chang eon your vehicle, consult aqu alif ied
spec ialistwo 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 Alignmen tbolt
The tire-c hang eto ol kit islocat edunder the
tr unk floor . Wheels
andtires 31
9

#
Tight enthewheel boltsevenlyin adi ag ona l
pa tter nin theor der indicat ed1 to5 with
an init ialmax imum forc eof 59 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 ofacci dent dueto inc or‐
re ct tigh tening torq ue
Th ewh eelscou ldcome looseifth ewheel
bolts orwheel nutsareno ttight ened tothe
pr escr ibed torq ue. #
Ensu rethat thewheel boltsorwheel
nuts aretight ened tothepr escr ibed
tight ening torq ue. #
Ifyo uar eno tsur e,do notmo vethe
ve hicle. Contactaqu 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 tirepr ess urelos swa rning
sy stem: Restar tth etir epr essur eloss warn‐
ing system (/ page303).
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 (/ page302).
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 Wheels
andtires 325

Side
airbag .................................................4 1
Side impact protection ...........................2 06
Side windo ws <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 77
Child safetyloc kin there ar
passe nger com partment ................ .......6 3
Closin g............................................ ...... 77
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 79
Co nvenienc eclosing featur e.................7 9
Con venie nce openi ng <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ...78
Opening .................................................7 7
Opening withth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 78
Pr oblem .................................................7 9
Size designation (tires) ............................3 11
Sliding sunroof
Closing ............................................. ..... 80
Closing usingtheSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 79
Ope ning <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 80
Ope ning with theSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 78
Pr oblem .................................................8 2
Smar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 64
Ac ous ticlocking verificati onsignal ....... 65
Batt ery <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>66
Ener gyconsu mption........... ...................65
Fe atur es................................................ 64 Ke
yring attachme nt<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .....66
Mec hanica lke y ...................................... 66
Ov ervie w ........................................ .......6 4
Pa nic alar m <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011>65
Pr ob lem <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 67
Un loc kin gse tting ............................ ...... 65
Sma rtKe yfunctions
Deactiv ating.......................................... 65
Smar tphone
see Smar tphone integr ation
see Telephon e
Sma rtphon eint egratio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> ..250
Ov ervie w <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 250
Sno wch ains .............................................297
Soc ket(1 2 V) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 108
Fr ont cent erconsole ........................ ... 108
Soc ket(1 15 V) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 109
Re ar passe nger com partment .............1 09
Sof twareupdat e
Sy stem updat es................................... 231
Sound PRE-S AFE®
Sound ................................. 49
Wheels andtires .............................. ....2 96 Soun
dmenu
Fu nctio nsovervie w .............................. 262
Spar ewheel
see Emer gency sparewheel
Specia lseat beltretract or <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 54
Specialis two rkshop ..................................2 7
Speed index(tir es) ................................... 311
St andb ymode
Ac tivati ng/d eactiv ating ........... ............161
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>160
St anding lights ......................................... 114
St art-of fassi st
see Optimized acceleration
St art/S topbutt on
Pa rking theve hicle .............................. 154
St artin gth eve hicle ............................. 134
Swi tching onthepo we rsupp lyor
ignitio n..... ........................................... 133
St art/s topfunc tion
see ECOstar t/ stop funct ion
St arterbatt ery
Ch arging (Remo teOnline) .................... 136 42
4
Inde x

Wheel
s
Ca re <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 272
Chan ginghub caps .............................. 320
Chec king.............................................2 96
Che cking thetir epr essur e(man‐
uall y)................................................ ... 300
Chec kingthetir epr essur e(tir epr es‐
sur emonit oring system) ......................3 02
Def initio ns....... ................................... .313
DO T,Tire Identif ication Number (TIN)
..... ........................................................3 09
Flat tire ....... ......................................... 277
Ins talling .............................................. 323
Load index...........................................3 11
Load-be aring capaci ty..... .....................3 11
Maximum tireload ........................... ....3 10
Maximum tirepr essur e........................ 310
MOExt ended tires ................................ 278
No ise .... .......................................... .....2 96
No teson installing ...............................3 16
Ov ervie wof tirelabel ing......................3 08
Re mo ving ............................................ 323
Re placing ...... ...............................3 16,320
Re star tin gth etir epr essur eloss
wa rning system .............................. ..... 303 Re
star tin gth etir epr essur emonit or‐
ing system ...........................................3 02
Ro tating ........... ................................. ...319
Sel ectio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 316
Sno wch ains ........................................ 297
Spe edrating ........... .............................311
St or ing ............................................. ....3 19
Te mp eratur egr ade .............................. 308
Ti re and Loadi ngInfo rm atio nplacar d
.. ...................................................... .....3 04
Ti re charact eristic s........................ ...... 311
Ti re pressur e(no tes) ........................ ... 297
Ti re pressur eloss warning system
(funct ion)............................................. 303
Ti re pressur emonit oring system
(funct ion)............................................. 300
Ti re pressur eta ble .......................... .... 299
Ti re Qua lityGradi ng .......... ................... 308
Ti re size designation ........................ ....3 11
TIREFIT kit...........................................2 79
Tr act ion grade ................................ .....3 08
Tr ead weargrade ............................ .....3 08
Un usual handlingch aract eristic s........ 296
Wi -Fi
Se tting ................................................ .232 Wi
ndo wcur tain airba g.............................. 41
Wi ndo ws
see Side windo ws
Wi ndo ws(car e)........................................ 272
Wi ndshield ........................................1 21,12 7
Defr osting ............ ................................127
Infr ared reflect ive ................................ 126
Ra dio wav es......................................... 126
Re placing thewiper blades .................. 121
Wi ndshield
see Windsh ield
Wi ndshield heater................................... 131
Wi ndshield heating
see Windsh ield hea ter
Wi ndshield washer fluid .........................3 35
No tes .................................................. 335
Wi ndshield washer system
To pping up...........................................2 69
Wi ndshield wipers
Ac tivati ng/d eactiv ating ........... ............120
Re placing thewiper blades .................. 121 Inde
x43
1