tire size MERCEDES-BENZ GLC 2021 User Guide

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) usewin‐
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 ForM+S tires, only usetires wit hth esame
tr ead.
R Obser vethemaximum permissible speedfor
th eM+S tires 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(/ page31 7)
R Tire and Loadi ngInfo rm atio nplacar d
(/ page32 4)
R Tire size designation, load-bearing cap acity,
spe edrating andload index(/ pag e33 1)
R Tire pressur eta ble (/ page31 9)
R Noteson theemer gency sparewheel
(/ page34 5) 338
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
(/ page340). 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. *
NO
TEPlug -in hybrid #
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 Wheels
andtires 339

#
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 (/ page323).
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 (/ page322).
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 34
5

Sync
hronization function
Ac tivati ng/d eactiv ating (MBUX mul‐
tim ediasystem) ................................. ....1 38
Switc hingon/of f(contr olpane l)....... .... 137
Sy stem settings
Ov ervie wof thesy stem settings
menu. ................................................ ....2 48 T
Ta ilg ate
Closing .................................................... 74
HANDS-FREE ACCES S.<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 76
Limiting theopening angle... ...................7 8
Opening... ................................................ 73
Opening dimensions.... .......................... 359
Un loc kin g(mec hanic alkey). ............ ........ 78
Ta ilpip es(car e)..........................................2 91
Ta nk cont ent
Fu el....................................................... 355
Re ser ve(fuel) .................................... .... 355
Te ch nical data
Ax leload (trailer operation) ...................3 62
Inf ormatio n............ ............................ ....348
No tes(tr aile rhitc h).... ............................3 61 Ra
dio oper ating permits .................. ...... 350
To ngu ewe ight .......................................3 61
To wing capac ity(trailer operation )......... 361
Ve hicle identif ication plate.... ............ ....3 50
Te lephone
Conn ecting amobile phone(P assk ey)... 261
Con necting amob ilephon e(Se cure
Sim plePairing) .......................................2 61
Fu nctio nsinthete lephon emen u.......... 261
No tes... ............................................. ....2 58
Oper ating mode s........ ..................... ...... 260
Te lephon emen uov ervie w.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 260
Wi reless chargin g(mob ilephon e).......... 119
Te lephon yoper ating mod es
Blue tooth®
Te lephon y............................2 60
Te mp eratur e
Se tting theve hicle interior temp era‐
tur e... ................................................ ..... 135
Te mp eratur egr ade ....... .............................328
Themes Fastening.. ............................................. 248
Thr oug h-loadin gfe atur e
see Seat TIN
(TireIden tificati onNumbe r).............. 329
Tir eand Loadi ng Info rm ation placar d.....324
Ti re charact eristics ....... ............................ 331
Ti re inf lation com pressor
see TIREF ITkit
Ti re informa tion table.. .............................3 24
Ti re labeling
Char acteristic s...................................... 331
DO T,Tire Identif ication Number (TIN).... 329
Load index.............................................3 31
Load-be aring capaci ty.... ....................... 331
Maximu mtireload...... .......................... 330
Maximu mtirepr essur e...... ................... 330
Ov ervie w... ............................................ 328
Speed rating ........... ............................... 331
Te mp eratur egr ade ................................ 328
Ti re Qua lityGradi ng.......... .....................328
Ti re size designation. ............................. 331
Tr act ion grade .......................................3 28
Tr ead weargrade ...................................3 28
Ti re load (maximu m)................................. 330
Ti re pres sur e
Ch ecking (manua<004F004F005C000C001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> ......320 Inde
x45
1

Ti
re Qua lityGradi ng.......... .................... .328
Ti re size designation. ............................. 331
TIREFIT kit............................................. 298
Tr act ion grade .................................. .....3 28
Tr ead weargrade .............................. .....3 28
Un usual handlingch aract eristic s...........3 16
To ngue weight ............................................ 361
To ol
see Vehicle tool kit
To pTe ther.. .................................................. 59
To uc hCon trol
On-board computer........ ....................... 236
Oper ating.......... .................................... 242
To uc hpad
Oper ating.......... .................................... 242
To uc hscr een(media display)
Oper ating.......... .................................... 242
To w- aw ay alar m
Ac tivati ng/d eactiv ating........... ................88
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 87
To w- bar system.. .......................................2 33
To w- star ting.............. ................................. 312 To
wing atrail er
No tes... ............................................. ....2 29
To wing away<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 308
To wing eye
Ins talling. ...............................................3 11
St or ag elocation... .............................. ....3 11
To wing methods ........................................ 307
Tr actio ngr ade ....... ....................................328
Tr af fic inf orma tion
Swit ching onthedispla y.................. ...... 257
Tr af fic ligh tda ta ser vice
Dis playin theIns trument Display..........2 00
Tu rning thedispla yon/ off.....................2 02
Tr af fic Sign Assis t
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 199
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 200
Sy stem limit ations. ........................... ..... 199
Tr aile rhitc h
At tach ing theball neck..................... ..... 230
Car e.... ............................................. ...... 291
Coupling up/uncoupling atra iler ........... 231
Tr aile roper ation
Ac tiveBli nd Spo tAssi st<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 204Ac
tiveLa ne Keeping Assist...................2 05
At tach ing theball neck.......................... 230
Coupling up/uncoupling atra iler ........... 231
Tr aile rst abil izatio n
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 175
Tr aile rto w hit ch
Axle load............ <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> ..............362
Ge ner alno tes... .....................................3 61
No tes... .................................................2 29
To ngu ewe ight .......................................3 61
To wing capac ity.....................................3 61
Tr ansmis sionposi tion displa y......... .........157
Tr anspo rting
Ve hicle. .................................................. 310
Tr ead weargrade ....... ...............................328
Tr im element (Care)..................................2 92
Tr unk lid
see Tailg ate
Tu neIn
Calling up..............................................2 77
Tu rn signal indicat or.................................1 22 Inde
x453

0024
Theelectr icpar king brak e(yel‐
lo w) indicat orlam p.<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 418
0077 Tire pressur emonit oring sys‐
te m wa rning lam pflashes ...................... 424
0077 Tire pressur emonit oring sys‐
te m wa rning lam plight sup. .................. 424
L Warning lam pfo rdis tance
wa rning func tion. .............................. .....4 21
Wa rning/indicat orlam ps
Ov ervie w................................................4 11
PA SSENGER AIRBAG.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 48
Wa rranty ..................... .................................. 31
Wa sher fluid
see Windsh ield wa sher fluid
Wa shing byhand (care)...... ...................... 289
Wa terta nk
see Air-water duct
We ather information ................................. 257
We bbr ow ser
Ov ervie w(multimedia system) ............... 267 Wheel
chang e
Lo we ring theve hicle.... .........................3 44
Mounting ane wwheel ..................... ..... 343
Re mo ving awhee l.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 343
Re mo ving/ins talling hubcaps ...............3 40
Whee lro tat ion. .......................................... 339
Wh eels
Car e................................................... ....2 91
Chan ginghub caps ................................ 340
Chec king... .............................................3 16
Chec kingth etir epr essur e(manuall y)... 320
Chec kingthetir epr essur e(tir epr es‐
sur emonit oring system).. ......................3 22
Def initio ns............. ............................ ....333
DO T,Tire Identif ication Number (TIN).... 329
Flat tire...... ........................................ .... 296
Ins talling. ...............................................3 43
Load index.............................................3 31
Load-be aring capaci ty..... .................... .. 331
Maximu mtireload...... ......................... .3 30
Maxi mum tirepr essu re<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 330
MOExt endedtir es <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 297
Noise <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 316
No teson installing. ...............................3 36
Ov ervie wof tirelabel ing....... .................328 Re
mo ving... ........................................... 343
Re placing ...................................... 336, 340
Re star tin gth etir epr essur eloss
wa rning system.. ................................... 323
Re star tin gth etir epr essur emonit or‐
ing system.. ...........................................3 22
Ro tating ........... ......................................339
Sel ecti on..... ........... ............................... 336
Sno wch ains .......................................... 317
Spee dra ting ........... ............................... 331
St or ing.... ..............................................3 39
Te mp eratur egr ade ................................ 328
Ti re and Loadi ngInfo rm atio nplacar d....3 24
Ti re charact eristic s................................3 31
Ti re pressur e(no tes). ............................. 317
Ti re pressur eloss warning system
(funct ion)............................................... 323
Ti re pressur emonit oring system
(funct ion)............................................... 320
Ti re pressur eta ble .................................3 19
Ti re Qua lityGradi ng.......... .....................328
Ti re size designation. ............................. 331
TIREFIT kit............................................. 298
Tr act ion grade .......................................3 28
Tr ead weargrade ...................................3 28
Un usual handlingch aract eristic s...........3 16 456
Index