wheel bolts MERCEDES-BENZ CLA 2020 Owners Manual

No
teson car eof vehicl epar ts &
WARNIN GRisk ofentr apment ifth e
winds hieldwiper sar eswit ched on while
th ewindshield isbeing cleaned
If th ewindshield wipersar ese tin mo tion
while youar ecle anin gth ewindshield or
wiper blades, youcan betrapped bythe
wiper arm. #
Alw aysswitc hof fth ewindshield wipers
and theignition beforecleanin gth e
winds hieldorwiper blades. &
WARNIN GRisk ofburnsfrom theta il‐
pipe andtailpipe trims
The exhaus tta ilpipe andtailpipe trims can
becom eve ry hot.Ifyo uco me intoco ntact wit
hth ese partsof theve hicle, youco uld
bur nyo urself . #
Alw aysbe par ticular lycareful arou nd
th eta ilpipe andtheta ilpipe trims and
super visechildr enespec iallycloselyin
th is area. #
Allo wvehicle partsto cool down before
to uc hin gth em. Obser
vethefo llo wing informa tion: No
teson cleaning andcareA voiding vehicl edamag e
Wheel s/rims
Usewaterand acid-free whee lclea ners. R
Donotuse acidicwhee lclea nersto remo vebrak edus t.
This could damag ewheel boltsandbrak ecom ponen ts.
R Toavoid corrosion ofthebr ak ediscs andbrak epads, drive
th eve hicle fora fe w min utes afte rclea ning beforepar king
it. The brak ediscs andbrak epa dswarm upand dryout .
Wi ndo ws
Cleanwindowsinside andouts idewithadam pclo thand with
a cle anin gag ent recomme ndedforMer cedes-Benz. Do
notuse dryclo thsor abr asiv eor sol vent-ba sedcleani ng
ag ents tocle an theinside ofwindo ws.
Wi per blades
Foldout thewiper blades andclean them using adam pclo th.D ono tclean thewiper blades tooof ten. 39
6
Ma intena nce and care

Se
tting upthefo lding chock Pr
epa ring theve hicl efo ra wh eelch ang e Re
quirement s:
R The requ ired tire-c hang eto ol isavailable. If
yo ur vehicle isno teq uipped withth etir e-
ch ang eto ol kit, consult aqu alif ied spec ialist
wo rkshop tofind outab ou tsu itab letools. R
The vehicle isno ton aslope.
R The vehicle ison solid, non-slipper yand leve l
gr ou nd . #
Apply theelectr icpar king brak emanually . #
Movethefront wheels tothest ra ight -ahead
posit ion. #
Vehicl eswith automatic transmiss ion:
Shif tint oposi tion 005D. #
Switc hof fth eengine. #
Mak esur eth at theengine cannotbe star ted. #
Place choc ks orother suitable items under
th efront and rear ofthewheel that isdiago‐
nall yoppos ite th ewheel youwish tochang e. #
Remo vethehub caps ifneces sary
(/ page44 7). #
Raise theve hicle (/page44 8). Re
mo ving and inst alli ng hub caps Re
quirement s:
R The vehicle isprepar edfora whee lch ang e
(/ page44 7). Ve
hicl eswith steel wheels
The wheel trim covers thewheel bolts.Before
unscr ewing thewheel bolts,remo vethewheel
tr im. #
Toremo ve:us ing both hands, carefull yre ac h
int otw owheel trim open ingsand remo vethe
wheel trim.
Plas tichub cap #
Toremo ve:tur nth ecent ercoverof thehub
cap count er-cloc kwise andremo vethehub
cap. #
Toins tall: makesur eth at thecent ercover
of thehub capistur ned count er-cloc kwise. Wheels
andtires 44
7

#
Using thelug wrenc h,loosen thewheel bolts
on thewheel youwish tochang eby about
on efull turn.Do notuns crew thebolts com‐
ple tely. Po
sition ofjac ksuppor tpoints
Mer cedes- AMGvehicl es:obse rveth eno tesin
th eSupplement .Ot her wise, youma yfa ilto rec‐
ogni zedangers. &
WARNIN GRisk ofinju ryfrom incor rect
pos itioning ofthejac k
If yo udo notposi tionth ejac kcor rectly at
th eappr opriatejac king point oftheve hicle,
th ejac kcould tipwithth eve hicle raised. #
Onlyposit ionthejac kat theappr opri‐
at ejac king point oftheve hicle. The
base ofthejac kmus tbe position ed ve
rticall yunder thejac king point ofthe
ve hicle. *
NO
TEVehicle damag efrom thejac k If
yo udo notposi tionth ejac kcor rectl yat
th eappr opriatejac ksuppor tpoint ofthe
ve hicle, thejac kcould tipove rwit hth eve hi‐
cle raised. #
The jackis design edexclu sively for
jac king uptheve hicle atthejac ksup‐
por tpoints . #
Take thera tche tou tof thetir e-c hang eto ol
kit and place iton thehe xagon nutofthe
jac kso that theletter s"A UF" arevisible. Wheels
andtires 44
9

#
Position jack2 atjac ksuppor tpoint 1. #
Turn ratche t3 clockwise untiljac k2 sits
com pletely on jacksuppor tpoint 1and the
base ofthejac klies evenlyon thegr ound. #
Turn ratche t3 unti lth etir eis raised amaxi‐
mum of1.2 in (3 cm) from thegr ound. #
Loosen andremo vethewheel (/page450). Re
mo ving awh eel Re
quirement s:
R The vehicle israised (/page44 8).
Me rcedes- AMGvehicl es:obse rveth eno tesin
th eSupplement .Ot her wise, youma yno tre cog‐
nize dangers.
Whe nch ang ingawheel, avoid applying anyfo rc e
to thebr ak ediscs, sincethis could impair the
le ve lof com fort when brakin g.
* NO
TEDama getothre adin gfrom dirton
wheel bolts #
Donotplace wheel boltsin san dor on
a dir tysur face. #
Unscr ew theupper mostwheel boltcom‐
ple tely. #
Screw align mentbolt 1intoth eth re ad
ins tead ofthewheel bolt. #
Unscr ew there maini ngwhee lbolts com‐
ple tely. #
Remo vethewheel. #
Installth ene wwheel (/page450). Mounting
ane wwheel Re
quirement s:
R The wheel isremo ved(/ page450 ). 450
Wheels andtires

Mer
cede s-AMG vehicl es:obse rveth eno tesin
th eSupplement .Ot her wise, youma yno tre cog‐
nize dangers. &
WARNIN GRisk ofacci dent from losing a
whe el
Oil ed, grea sed ordamag edwhe elbol t/whe el
nut thre ads orwheel hub/wheel mounting
bolt thre ads can caus eth ewheel bolts/
wheel nutstocome loose.
As are sult, youco uld lose awheel whiledriv‐
ing . #
Neveroil orgrease theth re ads. #
Intheeve ntofdamag eto theth re ads,
con tact aqu alif ied spec ialistwo rkshop
immediat ely. #
Have thedamag edwheel boltsordam‐
ag ed hub thre ads replaced. #
Donotcon tinue driving. #
Obser vetheno teson thech oice oftires
(/ page44 3). Fo
rtir es wit haspecif ieddirection ofrotatio n,an
ar ro w on theside wallof thetir eindicat esthe
cor rect dire ction ofrotatio n.Ob serveth edir ec‐
tion ofrotatio nwh en installing. #
Slide thewheel tobe mount edont oth e
align mentbolt andpush iton . &
WARNIN GRisk ofinju ryfrom tight ening
whee lbol tsand nuts
If yo utig hten thewheel boltsorwheel nuts
when theve hicle israised, thejac kcould tip. #
Onlytight enwheel boltsorwheel nuts
when theve hicle ison thegr ound. #
Besureto obser vetheins truction sand
saf etyno teson "Cha nging awheel"
(/ page44 3). #
Forsaf etyre ason s,on lyuse wheel bolts
whic hha ve been approvedby Mer cedes-
Benz andforth ewheel inqu estion . *
NO
TEDama getopaintw orkof thewheel
ri m when screwing onthefirs twh eelbo lt If
th ewheel hastoomuc hpla ywhen screw‐
ing inthefirs twh eelbo lt, thewheel rim pai nt
can bedama ged. #
Press thewheel firm lyag ains tth e
wheel hubwhen screwing onthefirs t
wheel bolt. #
Tight enthewheel boltsevenlyin adi ag ona l
pa tter nin theor der indicat eduntil they are
fi ng er-tig ht. #
Unscr ew thealignment bolt. #
Tight enthelas twheel boltuntil itis fing er-
tig ht. #
Lowe rth eve hicle (/page45 1). Lo
we ring theve hicl eaf te ra wh eelch ang e Re
quirement s:
R The newwheel hasbeen installed
(/ page450) . Wheels
andtires 45
1

#
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