2023 MERCEDES-BENZ GLC COUPE Owners Manual

wheels
andtires bein gdamag edwhen drivi ng
ov er obst acles increases. #
Avoid obst acles ordrive especiall ycar e-
full y. #
Reduce your speed whendriving over
curbs, speedbumps,manhole covers
and potholes. #
Avoid particular lyhigh curbs. *
N NO O
TE TE
Possible wheel andtiredamag e
when parking oncurbs orinpo tholes Pa
rking oncurbs orinpo tholes candamag e
th ewheels andtires. #
Onlypar kon asleve la sur face aspossi-
ble. #
Avoid curbs andpotholes when parking. *
N NO O
TE TE
Damag eto electr oniccomponent
par tsdue totheuse oftire-ins talling tools VV
ehicles wit ehicles
withtir h
tir epr e
pr essur essur
emonit e
monit or or
ing sy ing
sys- s-
t t
em: em:
Therear eelectr oniccomponent partsin
th ewheel. If
tir e-ins talling tools arepositioned inthear ea
of theva lve, theelectr oniccomponents could
be damag ed. #
Tire -inst alling tools should notbe applied
in thear ea oftheva lve. #
Alwaysha ve tires chang eat aqu ali/ed
special istwo rkshop. *
N NO O
TE TE
Damag eto summer tires atlow
ambien tte mp eratur es At
low ambient temp eratur es,tear scould form
when drivi ng withsummer tires, causin gper -
manen tdamag eto thetir es. #
Attemp eratur esbelo w45 °F(7°C) use
004D M+Stires. Ac
cessor ypar tswhic har eno tappr oved foryo ur
ve hicle byMer cedes-Be nz,orwh ich ar eno tuse d
cor rectl y,can impair theoper ating safety.
Bef orepurc hasing and using non-a pprovedacces-
sor ies, visit aqu ali/ed special istwo rkshop and
inquir eabout:
R Suitabili ty R
Legalstipul ation s
R Factor yre commen dations &
W W
AR NIN G AR
NIN GRisk ofacciden twit hhigh per-
fo rm ance tires
The special tiretread incombin ationwit hth e
op timize dtir ecom pound means that therisk
of skiddin gand hydroplaning onwetro ads is
incr eased.
In addit ion,th etir egr ip isgre atlyre duced ata
lo w outside temp eratur eand tireru nning tem-
per atur e. #
Swit chon theESP ®
and adap tyo ur driv-
ing styleaccor dingly. #
Use 004D M+Stires atout side temp era-
tur es ofless than 50 °F(10 °C). #
Onlyuse thetir es forth eir intended pur-
pose. Wheels
andtires
327 327

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 size(leT and
ri ght) oneac hax le.
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) usewinter
tir es orall-season tires mar ked004D M+Sfor
all 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 tirewhic his 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(/ page307) R
Tire and loadi nginformatio nplacar d
(/ page314)
R Tire size desig nation,load- bearingcapacit y,
speed rating andload index(/ page321)
R Tire pressur eta ble (/ page309)
R Noteson theemer gency sparewheel
(/ page335) NNo o
t t
es on rot es
on rotatin gwheels atin
gwheels &
W W
AR NING AR
NING Riskofinjuryth 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 sioncomponents
ma yalso bedamag ed. #
Rotate front and rear wheels onlyif th e
wheels andtires areof thesame dimen-
sions. Obser
vetheinst ruction sand safetyno teson
"Chang ingawheel" (/page325) 328328
Wheel
sand tires

The
wearpatt erns on thefront and rear wheels
di.er :
R Front wheels wearmor eon thetir eshoulder
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. 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, fore xa mp le,to
ch ang eawheel:
R Jack
R Choc k
R Lugwr enc h
R Alignme ntbolt
The tire-c hangeto ol kit islocat edunder thecar go
0oor . %
Depending onthemodel, thetir ech ang eto ol
kit maybe locat edinother posit ionsund er
th ecar go0oor . 1
Jack
2 Ratche tfo rjac k
3 Lugwr enc h
4 Folding choc k Wheels
andtires
329 329

5
Alignm entbolt
6 Socketwr enc hfo rra tche t PrPr
epar epar
ingt ing
the v he
vehic lef ehic
lefor awhe elc or
awhe elchang e hang
e RR
eq eq
uir uir
ements : ements
:
R The vehicle isno ton aslope.
R The vehicle ison solid ,non -slipper yand leve l
gr ound.
R The requ ired tire-c hang eto ol kit isavailabl e.
% Ifyo ur vehicle isno teq uipp edwithth etir e-
ch ang eto ol kit, consult aqu ali/ed special ist
wo rkshop to/nd outabou tsui table tools. #
Appl yth eelectr icpar king brak emanuall y. #
Movethefront wheels tothestr aight-ahead
position. #
ShiT thetransmission toposition 005D. #
V V
ehicles wit ehicles
withlev h
level contr el
contr olsyst ol
system: em:
Setth e
nor malve hicle leve l(/ page197). #
Switc ho. theve hicle. #
Mak esur eth at theve hicle cannotbe star ted. #
Place choc ks orother suitable items underthe
fr ont and rear ofthewheel that isdiag onal ly
opposit eth ewheel youwish tochang e. #
Ifnece ssary,remo vethewheel trim/hub caps
(/ page330). #
Raise theve hicle (/page331). RR
emo emo
vingand inst vin
gand installin gt allin
gthe wheel tr he
wheel trim/ hub caps im/
hub caps RR
eq eq
uir uir
emen ts emen
ts
R The vehicle isprepar edfora wheel chang e
(/ page330) .
Plas Plas
tichub cap tic
hub cap #
T T
o r o
remo v emo
ve: e:
tur nth ecent ercoverof thehub
cap count er-cloc kwise andremo vethehub
cap. #
T T
o inst o
inst all: all:
mak esur eth at thecent ercoverof
th ehub capistur ned count er-cloc kwise. #
Positi on thehub capand turnth ecent ercover
cloc kwise untilth ehub capengages physicall y
and audibl y. Alum
inum hubcap Alum
inum hubcap #
T T
o r o
remo v emo
ve: e:
pos itionso cket 2 from thetir e-
ch ang eto ol kit on hub cap1. #
Positi on wheel wrenc h3 onsoc ket2. #
Usingwhe elwr enc h3, turnhub cap1
count er-cloc kwiseand remo veit. #
T T
o inst o
inst all: all:
follo wtheinst ruction sabo vein
re ve rseor der .
% Speci/ ed Speci/
edtight tight
ening t ening
torq orq
ue: ue:
18lb-T (25Nm) . 330330
Wheels
andtires

RR
aisin gt aisin
gthe v he
vehicle whenc ehicle
whenchang ingawheel hang
ingawheel RR
eq eq
uir uir
emen ts: emen
ts:
R Ther ear eno per sons intheve hicle.
R The vehicle hasbeen prepar edfora wheel
ch ang e(/ page330) .
Im por tant noteson usin gth ejac k:
R Use onlya ve hicle-spe ci/cjackth at has been
appr ovedby Mer cedes-Be nztoraise theve hi-
cle.
R The jackis onl ydesig nedforra ising andhold-
ing theve hicle fora shor ttime while awheel
is being chang edand notfo rmaint enance
wo rkunder theve hicle.
R The jackmus tbe placed ona/r m, 0at and
non -slipsur face. Ifnecessar y,use alar ge,0at,
load- bearing,non -slipund erlay.
R The foot ofthejac kmust bepositioned verti-
call yunder thejac ksuppor tpoint. Ru
les ofconduct whentheve hicle israised:
R Neverplace your hands orfeet under theve hi-
cle.
R Neverlie under theve hicle.
R Donotst ar tth eve hicle anddonotre lease the
electr icpar king brak e.
R Donotopen orclose anydoor sor theta ilg ate. #
Using thelug wrenc h,loosen thewheel bolts
on thewheel youwish tochang eby about one
fu lltur n.Do notunscr ewthescr ewscom-
ple tely. Wheels
andtires
331 331

Po
siti on ofthejac ksuppor tpoints
* N NO O
TE TE
Mer cedes- AMGvehicles #
Obser vetheno tesin theSupplement.
Yo ucould other wise failto recogn ize
dang ers. &
W W
AR NIN G AR
NIN GRisk ofinjuryfrom incor rect
positi oningof thejac k
If yo udo notposition thejac kcor rectl yat the
appr opriatejac king pointof theve hicle, the
jac kco uld tipwith theve hicle raised. #
Onlyposition thejac kat theappr opriate
jac king point oftheve hicle. Thebase of th
ejac kmust bepositioned verticall y
under thejac king point oftheve hicle. *
N NO O
TE TE
Damag eto theve hicle duetothe
jac k If
yo udo notposition thejac kat thejac ksup-
por tpoints prov ided forth is pur pose, you
could damag eyo ur vehicle. #
Onlyposit ionthejac kat thejac ksup-
por tpoints prov ided forth is pur pose. #
Take thera tche tout ofthetir e-c hang eto ol kit
and place iton thehe xagon nutofthejac kso
th at theletter s"A UF" arevisible. #
Positi on suppor t2 ofjac k4 onjacksup-
por tpoin t1. #
Turn ratche t3 cloc kwiseuntil support2
sits com pletely on jacksuppor tpoint 1and
th ebase ofthejac klies evenlyon thegr ound. #
Turn ratche t3 until thetir eis raised amaxi-
mum of1.2 in(3 cm) from thegr ound. #
Loosen andremo vethewheel (/page333). 332332
Wheels
andtires

RR
emo emo
ving awheel ving
awheel RR
eq eq
uir uir
ements: ements:
R The vehicle israised (/page331).
* NO NO
TE TE
Mer cedes- AMGvehicles #
Obser vetheno tesin theSupplement.
Yo ucould other wise failto recogn ize
dang ers. When
chang ingawheel, avoidappl ying anyfo rc e
to thebr ak ediscs, sincethis could impair the
le ve lof comf ortwhen braking.
* N NO O
TE TE
Damag eto thre adin gfrom dirton
wheel bolts #
Donotplace wheel boltsin sand oron a
dir tysur face. #
Unscr ew theupper mostwheel boltcom-
ple tely. #
Screw alignme ntbolt 1intoth eth re ad
ins tead ofthewheel bolt. #
Unscr ewthere mainin gwheel boltscom-
ple tely. #
Remo vethewheel. InstInst
alling ane alling
ane wwheel w
wheel RR
eq eq
uir uir
ements ements
R The wheel tobe chang edisremo vedand the
cent ering pin isscr ewe din (/ page333). *
N NO O
TE TE
Mer cedes- AMGvehicles #
Obser vetheno tesin theSupplement.
Yo ucould other wise failto recogn ize
dang ers. &
W W
AR NIN G AR
NIN GRisk ofacciden tfr om losin ga
wheel
Oiled, greased ordamag edwheel bolt/wheel
nut thre ads orwheel hub/wheel mounting
bolt thre ads can cause thewheel bolts/wheel
nuts tocome loose. #
Neveroil orgrease theth re ads. #
Intheev ent ofdamag eto theth re ads,
cont actaqu ali/ed special istwo rkshop
immed iately. #
Have thedamag edwheel boltsordam-
ag ed hub thre ads replaced. #
Donotcontinu edr iving . #
Obser vetheinf ormation onthech oice oftires
(/ page325). Wheels
andtires
333 333

Fo
rtir es withaspeci/ eddirection ofrotation, an
ar ro w on theside wallof thetir eindicat esthecor -
re ct directio nof rotation. Observe thedir ection of
ro tation wheninst alling.
* N NO O
TE TE
Dam ageto thewheels' plasticele-
ments whenchang ingawheel Plas
ticelem entson wheels maybe damag ed
when remo vingand repositionin gth ewheel. #
Donotra ise thewheels bytheplastic
elements whenremo vingand reposition-
ing. #
Slide thewheel tobe mount edont oth ecen-
te ring pin and pushit on. &
W W
ARNI NG ARNI
NGRisk ofinjur yfrom tight ening
wh eel bolt sand nuts
If yo utight enthewheel boltsorwheel nuts
when theve hicle israised, thejac kcould tip. #
Onlytight enwheel boltsorwheel nuts
when theve hicle ison thegr ound. #
Besureto obser vetheinst ruction sand safety
no teson "Chang ingawheel" (/page325). #
Forsaf etyre asons, onlyuse wheel boltswhic h
ha ve been approved byMer cedes-Be nzand
fo rth ewheel inqu estion .
* N NO O
TE TE
Damag eto paintw orkof thewheel
ri m when screwing inthe/r st wheel bolt If
th ewheel hastoomuc hpla ywhen screwing
in the/r st wheel bolt,th ewheel rim paint can
be damag ed. #
Press thewheel /rml yag ainst thewheel
hub when screwing inthe/r st wheel
bolt. #
Tight enthewheel boltsevenl yin adiagonal
patt ernin theor der indicat eduntil they are
/ng er-tight . #
Unscr ew and remo vethecent ering pin. #
Tight enthelast wheel boltuntil itis /n ger-
tigh t. #
Lowe rth eve hicle (/page334). Lo
w Lo
wer er
ing t ing
the v he
vehicle ehicle
aTer aTer
awheel c a
wheel chang e hang
e RR
eq eq
uir uir
emen ts: emen
ts:
R The newwheel hasbeen installed
(/ page333). #
T T
o low o
lower t er
the v he
vehicle: ehicle:
placethera tche tont o
th ehe xagon nutofthejac kso that theletter s
"AB" arevisible andturncount er-cloc kwise. #
Tight enthewheel boltsevenl yin adiagonal
patt ernin theor der indicat ed1 to5 with
an initial maximum forc eof 59 lb-T (80Nm). #
Tight enthewheel boltsevenl yin adiagonal
patt ernin theor der indicat ed1 to5 with 334334
Wheels
andtires