wheel bolts MERCEDES-BENZ SL ROADSTER 2019 Owner's Manual

a
dec orat ivefilm when thedec orat ivefilm is
rem oved.
i Hav
ework orrepai rson dec orat ivefilm
car ried outataqualifi edspec ialist work-
shop .Mer cedes-Ben zrec omm endsth at you
use anauth orizedMer cedes-Ben zCent erfor
th is purpo se. Cleani
ngthevehi cleparts
Cleani ngthewheels G
WAR
NING
The wate rje tfr om acir cular jetno zzle (dirt
blast ers)can caus einv isible exterio rdam-
age tothetir es orchassis components.
Compo nentsdamage din this way may fail
unex pectedly. Ther eis arisk ofan acc iden t.
Do notuse power washer swith circular jet
no zzles tocle an theveh icle.Hav edamage d
tir es orchassis componentsrepl aced imme-
diat ely.
! Do
notuse acidi cwheel cleanin gprod ucts
to rem ove brak edust .This coulddamage
wheel boltsand brak ecom ponents.
! Do
notpark yourvehicle foralon gperi od
of tim edire ctly aft ercle anin g,part icular ly
aft ercle anin gth ewheel rimwith wheel
cle aner .Whee lcle aner canlead tothe
inc reas edcor rosion ofthebrak edisc sand
pads. Therefore, driv efor afew minutes
aft ercle anin g.By heat ingupthebrak es,the
brak edisc sand pads dry.Thevehicle can
th en be park edfor alon gperi odoftim e.
Cleani ngthewindows G
WAR
NING
You couldbec ome trapped bythewind -
shie ldwiper sif th ey start mov ingwhile
cle anin gth ewind shieldor wiper blades .
Ther eis arisk ofinjury.
Always switchoff thewind shieldwiper sand
th eign ition befo recle anin gth ewind shield
or wiper blades . !
On
lyfold thewind shieldwiper saway from
th ewind shieldwhen vertical. Other wise, you
will damage thehood .
! Do
notuse drycloths, abras iveprod ucts,
solv entsor cle anin gagen tscon tain ingsol-
ven tsto cle an theins ide ofthewind ows. Do
no tto uch theins ides ofthewind owswith
hard object s,e.g .an ice scraper orring.
Ther eis other wise arisk ofdamagi ngthe
wind ows.
! Clean
thewate rdrain agechann elsofthe
wind shieldand therear wind owatreg ular
int erv als. Deposit ssuc has leave s,pet als
and pollen mayunde rcer tain circum stanc es
prev entwate rfr om drain ingaway. Thiscan
lead tocor rosion damage anddamage to
elec tron iccom ponents.
X Clean theins ide and outside ofthewind ows
with adamp clothand acle anin gpro duct
th at isrec omm endedand appro vedby
Mer cedes-Ben z.
Cleani ngwiper blades G
WAR
NING
If th ewind shieldwiper sare setinmot ion
while youarecleanin gth ewind shield,you
can betrapped bythewiper arm.Ther eis a
risk ofinjury.
Always switchoff thewind shieldwiper sand
th eign ition befo recle anin gth ewind shield.
! Do
notpull thewiper blade. Other wise, the
wiper bladecouldbe damage d.
! Do
notcle an wiper blades toooft en and
do notrub them toohard .Ot her wise, the
grap hitecoat ingcoul dbe damage d.This
coul dcaus ewiper noise.
! Hol
dth ewiper armsecurely when folding
back .The wind shieldcoul dbe damage dif
th ewiper armsmac ksagain stitsudden ly.
X Fol dth ewind shieldwiper armsaway from
th ewind shield.
X Caref ullyclean thewiper blades witha
damp cloth.
X Fol dth ewind shieldwiper armsback again
befo reswit ching ontheign ition . 274
Car
eMaintenance andcare

R
The jack must beplaced onafirm, flatand
non- slipsurface. Onaloose surface, alarge,
flat, load-bearing underlaymustbeused. On
a slippery surface, anon- slipunderlay must
be used, e.g.rubber mats.
R Do not use wooden blocksorsimilar objects
as ajack underlay. Otherwise, thejack will
not beable toachieve itsload-bearing capa-
city due tothe restr icted height.
R Make surethatthedistance between the
underside ofthe tires andtheground does
not exceed 1.2in(3 cm).
R Never placeyourhands andfeet under the
raised vehicle.
R Do not lieunder thevehicle.
R Do not start theengine whenthevehicle is
raised.
R Do not open orclose adoor orthe trunk lid
when thevehicle israised.
R Make surethatnopersons arepresent in
the vehicle whenthevehicle israised.
Vehicles withalloy wheels andhub caps:
the wheel boltsarecovered byahub cap.
Before youcan unscrew thewheel bolts,you
must remove thehub cap. Twodifferent var-
iants canbeinstalled. X
To remove: takesocket 0044and lugwrench
0087 from thevehicle toolkit(Ypage 277).
X Position socket0044onhub cap0043.
X Position lugwrench 0087onsocket 0044.
X Using lugwrench 0087,turn hubcap0043coun-
ter- clock wiseandremove it.
X To install: beforeinstalling, checkhub
cap 0043and thewheel areaforsoiling and
clean ifnecessary.
X Put hub cap0043inposition andturn until itis
in the right position. X
Position socket0044onhub cap0043.
X Attach lugwrench 0087tosocket 0044and
tighten hubcap0043.
The tighten ingtorque mustbe
18 lb-ft (25Nm).
i Note
thatthehub capshould betight-
ened tothe specified torqueof18 lb-ft
(25 Nm). Mercedes- Benzrecomm endsthat
you have thehub capinstalled ataqualified
specialist workshop. X
Using lugwrench 0087,loosen thebolts on
the wheel youwish tochange byabout one
full turn. Donot unscrew thebolts com-
pletely. The
jackingpoints arelocated justbehind the
front wheel housings andjust infront ofthe
rear wheel housings (arrows).
Mercedes-AMG vehiclesandvehicles with
AMG equipm ent:toprotec tthe vehicle body,
the vehicle hascovers installed nexttothe
jack ingpoints onthe outer sills. Changing
awheel
315Wheels andtires Z

X
Merce
des-AMGvehic lesand vehic les
with AMG equipment: foldcover 0085
upw ards. X
Posi tion jack 0084atjacking point0083. X
Make surethefoot ofthe jack isdirectly
benea ththe jacking point.
X Turn crank 006Bclockwis euntil jack0084sits
comple telyonjacking point0083.The base of
the jack must lieevenly onthe ground .
X Turn crank 006Buntil thetire israis edamaxi-
mum of1.2 in(3 cm) from theground . Removi
ngawhe el !
Merce
des-AMGvehic les:duri ngremova l
and reposi tioning ofthe whee l,the whee l
rim can strike thecerami c-brake discand
dama geit.Therefo re,you shou ldproceed
carefu llyand getasecond personassistto
you .Alternativel y,you can useasecond
ali gnment bolt.
! Do
not placewhee lbolts insand oron a
dirty surface.The bolt andwhee lhub
threads couldotherwi sebe dama gedwhen
you screw themin. X
Unscrew theuppermost wheelbolt com-
pletel y.
X Screw alignment bolt0043into thethread
instead ofthe whee lbolt.
X Unscrew theremai ningwhee lbolts fully.
X Remo vethe whee l.
Mountin ganew wheel G
WARNING
Oile dor grea sedwhee lbolts ordama ged
whee lbolts/hu bthreads cancaus ethe
whee lbolts tocome loose.As aresul t,you
could loseawhee lwhi ledrivi ng.There isa
risk ofaccide nt.
Never oilorgrea sewhee lbolts. Inthe event
of dama getothe threads ,contact aqua li-
fied specia listworkshop immediately.Have
the dama gedwhee lbolts orhub threads
repla ced/renew ed.Donot continue driving. 316
Chang
ingawhe elWhee lsand tires

G
WARNING
If you tighten thewhee lbolts orwhee lnuts
when thevehicl eis rais ed, the jack couldtip
over. There isarisk ofinjury .
Only tighten thewhee lbolts orwhee lnuts
when thevehicl eis on the grou nd.
Alwa yspay attention tothe instructions and
safety notesinthe "Changi ngawhee l"section
(Y pag e313).
Only usewhee lbolts thathave been designed
for the whee land thevehicl e.For safety rea-
sons, Mercede s-Benzrecommends thatyou
only usewhee lbolts whichhave been
app roved forMercede s-Benzvehiclesand the
respe ctivewheel.
! Merce
des-AMGvehi cles:duri ngremova l
and repos itioning ofthe whee l,the whee l
rim can strike thecerami c-brake discand
dama geit.There fore,youshou ldproceed
carefu llyand getasecond personassi stto
you .Alternativel y,you can useasecond
ali gnment bolt.
! To
prevent damagetothe paintwork, hold
the whee lsecure lyaga inst thewhee lhub
whi lescrewi nginthe first whee lbolt. X
Cle anthe whee land whee lhub contact sur-
faces.
X Slide thewhee lto be mounted ontothe
ali gnment boltandpushit on.
X Tigh tenthewhee lbolts untiltheyarefinger-
tight.
X Unscrew thealignment bolt.
X Tigh tenthelastwhee lbolt until itis finger-
tight. Lo
we ring thevehi cle G
WARNING
The whee lscoul dcome looseif the whee l
bolts orwhee lnuts arenot tightened tothe
prescri bedtightening torque.There isarisk
of an accide nt.
Ensure thatthewhee lbolts orwhee lnuts
are tightened tothe prescri bedtightening
torque .
If you arenot sure ,do not move thevehicl e.
Contact aqua lified speci alist worksho pand
have thetightening torquechecked immedi-
ately .
X Turn thecrank ofthe jack counter-clockwi se
until thevehicl eis once againstanding
firmly onthe grou nd.
X Pla cethe jack toone side. X
Tigh tenthewhee lbolts evenly inacross-
wis epattern inthe sequ ence indica ted(0043
to 0083). Thespeci fiedtightening torqueis
96 lb-ft (130Nm).
X Turn thejack back toits initia lposi tion.
X Stow thejack andtherest ofthe vehicl e
tools inthe trunk again.
X Merce
des-AMGvehic lesand vehic les
with AMG equipment: insertthecover into
the outer sill.
X Che ckthe tire pressu reofthe newly moun-
ted whee land adjustitifnecessa ry.
Observe therecommende dtire pressu re
(Y pag e296) .
Vehic leswith atire pressure control sys-
tem: allinstall edwhee lsmust beequ ipped
with functioning sensors.
When youaredrivi ngwith theemerge ncy
spar ewhee lmounted, thetire pressu remoni- Chang
ingawhe el
317Whee lsand tires Z