2019 MERCEDES-BENZ SLC ROADSTER wheel bolts

Clean
ingthevehi cleparts
Clean ingthewheels G
WAR
NING
The wate rje tfr om acir cular jetno zzle (dir t
blast ers)can caus einv isible exterior dam-
age tothetir es orchassis components.
Comp onents damag edinthis way may fail
une xpectedly. Thereis aris kof an acc iden t.
Do notuse power washerswit hcir cular jet
no zzles tocle an theveh icle.Hav edamag ed
tir es orchassis components repl aced imme-
diat ely.
! Do
notuse acidicwheel cleanin gpro duct s
to rem ove brak edust .This coulddamag e
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 rimwithwheel
cle ane r.Whee lcle ane rcan lead 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.
Clean ingthewind ows 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 aris kof injury.
Always switchoff thewind shieldwiper sand
th eign ition bef ore cleanin gth ewind shield
or wiper blades .
! Do
notuse drycloths, abras iveproduct s,
solv ents or 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 scrape ror ring.
Ther eis other wise aris kof damag ingthe
wind ows.
! Clean
thewate rdrain agechann elsofthe
wind shieldand therear wind owatreg ular
int erv als. Deposi tssuc has leave s,pet als
and polle nmay unde rcer tain circum stanc es prev
entwate rfr om drain ingaway. Thiscan
lead tocor rosion damag eand damag eto
elec tron iccom ponents.
X Clean theins ide and outside ofthewind ows
wit hadamp clothand acle anin gpro duct
th at isrec omm ended andappro vedby
Mer cedes-Ben z.
Clean ingwiper blades G
WAR
NING
If th ewind shieldwiper sare setinmot ion
while youarecleanin gth ewind shield,you
can betrapped bythewiper arm.Ther eis a
ris kof injury.
Always switchoff thewind shieldwiper sand
th eign ition bef ore cleanin gth ewind shield.
! Do
notpull thewiper blade. Other wise, the
wiper bladecouldbe damag ed.
! Do
notcle an wiper blades toooft en and
do notrub them toohard .Ot her wise, the
grap hitecoa tingcoul dbe damag ed.This
coul dcaus ewiper noise.
! Hol
dth ewiper armsecurely when folding
back .The wind shieldcoul dbe damag edif
th ewiper armsmac ksagain stitsudde nly.
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
bef ore swit ching ontheign ition .
Clean ingtheext erior ligh ting !
On
lyuse cleanin gagen tsor cle anin g
clo thsth at are suitable forplast iclen ses .
Caust ic,irritan tor other wise unsuitab le
cle anin gagen tsor cle anin gclo thscoul d
sc rat ch ordamag eth eex terior light ingplas-
tic lenses .
X Clean theplast iclen ses oftheex terior light s
wit hawet spon geand amild cleanin g
agen t,e.g .Mer cedes-Ben zcar sham pooor
cle anin gclo ths. Car
e
249Maintenance andcare Z

Rais
ingthe vehic le G
WARNI
NG
If yo udo not position the jack corre ctlyat
the appro priate jacki ngpointofthe vehicle,
the jack couldtip ove rwi th the vehicle
rai sed .The reisaris kof inju ry.
Only position the jack atthe appro priate
jacki ngpointofthe vehicle. The base ofthe
jack mustbe pos itioned vertically,di rectl y
und erthe jacki ngpointofthe vehicle.
! Only
position the jack atthe appro priate
jacki ngpointofthe vehicle. Othe rwise, you
cou ldda mag ethe vehicle.
Obs erve thefollowi ng when raising thevehi-
cle :
R To raise the vehicle, only usethe vehicle-
spe cificjack thathasbee nteste dand
ap pro ved byMer cedes-Be nz.Ifus ed inco r-
rectl y,the jack couldtip ove rwi th the vehi-
cle raised .
R The jack isdes igned only toraise and hold
the vehiclefor asho rttime while awh eel
is bei ng cha nged .It mus tnot beused for
per formi ngmai ntenance workund erthe
veh icle.
R Avoi dcha nging thewheel onuphilland
dow nhillslo pes .
R Befo reraising thevehicle, secu reitfrom
rol ling away by applying the parking brake
and inserting wheel chocks .Do not disen-
ga ge the parking brakewhile the vehicleis
rai sed .
R The jack mustbe place don afirm ,fla tand
non-sl ipsurfa ce. Onaloose surfa ce, alarge ,
fla t,load -bea ring underlay mus tbe used. On
a sli pp ery surfa ce, anon-sl ipund erlay mus t
be used, e.g. rubber mats .
R Do not usewo ode nblocks orsim ilar obje cts
as ajack underlay.Othe rwise, the jack will
not beableto ach ieve its load -bea ring capa-
city dueto the restricte dhei ght.
R Ma kesure that thedistance betweenthe
und erside of the tiresand theground does
not excee d1.2 in(3 cm).
R Neve rpl ace your hands and feetund erthe
rai sed vehicle.
R Do not lie und erthe vehicle.
R Do not startthe engi newhen the vehicleis
rai sed . R
Do not openor clo seadoo ror the trunk lid
wh en the vehicleis rai sed .
R Ma kesure that noper sons arepresent in
the vehiclewh en the vehicleis rai sed . X
Usi nglug wre nch 0043,loose nthe boltson
the wheel youwi sh tocha nge byabou tone
ful lturn. Donot unscrew theboltscom-
pl etel y. The
jacki ngpoints are locate djust behindthe
front wheel hou sing sand just infront ofthe
rea rwh eel hou sing s(a rrow s).
Vehi cles with AMG equipmen t:the vehicle
ha scove rsinsta lled topro tect thevehicle
bod ynext tothe jacki ngpoints onthe outer
sil ls. 29
0 Cha
ngingawh eelWhe elsand tires

!
To
prevent damage tothe paintwork, hold
the wheel securely againstthe wheel hub
while screwing inthe first wheel bolt. X
Clea nthe wheel andwheel hubcont actsur-
faces.
X Slide thewheel tobe mounted ontothe
alignment boltandpush iton.
X Tighten thewheel boltsuntiltheyarefinger-
tight.
X Unscrew thealignment bolt.
X Tighten thelast wheel boltuntil itis finger-
tight.
X Vehicles
withacoll apsible sparewheel:
inflate thecollapsi blespare wheel
(Y page 295).
Only thenlower thevehicle.
Low ering thevehicl e G
WARNING
The wheels couldcome looseifthe wheel
bolts orwheel nutsarenot tightened tothe
prescribed tighteningtorque.Thereisarisk
of an accident.
Ensure thatthewheel boltsorwheel nuts
are tightened tothe prescribed tightening
torque.
If you arenot sure, donot move thevehicle.
Contact aqual ified speciali stworkshop and
have thetightening torquechecked immedi-
ately.
! Vehicles
withacoll apsible spare
wheel :before lowering thevehicle, inflate
the collapsi blespare wheel withthetire
inflation compressor. Thewheel rimcould
otherwise bedamage d. X
Turn thecrank ofthe jack counter-c lockwise
until thevehicle isonce againstanding
firmly onthe ground.
X Place thejack toone side. X
Tighten thewheel boltsevenly inacross-
wise pattern inthe sequence indicated(0043
to 0083). Thespecified tightening torqueis
96 lb-ft (130 Nm).
X Turn thejack back toits initial position.
X Stow thejack andtherest ofthe vehicle
tools inthe trunk again.
X Vehicles withAMG equipment: insertthe
cover intotheouter sill.
X Check thetire pressure ofthe newly moun-
ted wheel andadjust itifnecessary.
Observe therecommended tirepressure
(Y page 270).
When youaredriving withthecollapsi ble
spare wheel mounted, thetire pressure loss
warning systemorthe tire pressure monitor
cannot function reliably.Only restart thetire
pressure losswarning systemortire pressure
monitor whenthedefective wheelhasbeen
replaced withanew wheel.
Vehicles withatire pressure controlsys-
tem: allinstalled wheelsmustbeequip ped
with functioning sensors. Wheel
andtirecombination s
You canaskforinformation regardingpermit-
ted wheel/tire combinations atan authorized
Mercedes-Benz Center.
! For
safety reasons, Mercedes-Benz recom-
mends thatyouonly usetires andwheels
which havebeen approved byMercedes-
Benz specificall yfor your vehicle. 292
Wheel
andtirecombin ationsWheels andtires