Page 401 of 521
Aluminium hub cap
#
Toremo ve:position soc ket2 on hub cap
1.
% The soc ket can be found in the tyre-change
to ol kit. #
Position wheel spanner 3on soc ket2. #
Using wheel spanner 3, turn hub cap1
anti-clo ckwise and remo veit. #
Tofit: position hub cap 1and turn until it is
comple tely flush with the wheel. #
Position soc ket2 on hub cap 1. #
Attach wheel spanner 3tosoc ket2 and
tighten the hub cap clockwise.
Specified tightening torq ue: 25 Nm. #
Raising theve hicle (→ page 398). Ra
ising theve hicle when changing a wheel Re
quirements:
R There are no persons in theve hicle.
R The vehicle is prepared for a wheel change
(→ page 397).
R The hub caps ha vebeen remo ved
( → page 397).
Impor tant no tes on using the jack:
R Only use theve hicle-specific jack that has
been tested and appr ovedby Mercedes-Benz
to raise theve hicle.
R The jack is only designed forra ising and
holding theve hicle for a short time while a
wheel is being changed and not for mainte‐
nance workunder theve hicle. R
The jack must be placed on a firm ,fl at and
non-slip sur face. If necessar y,use a lar ge,
load-bearing, non-slip underla y.
R The base of the jack must be positioned ver‐
tically under the jack support point. Ru
les of conduct when theve hicle is raised:
R Never place your hands or feet under the
ve hicle.
R Do not lie under theve hicle.
R Do not start the engine and do not release
th e electric parking brake.
R Do not open or close any doors or the boot
lid. 398
Wheels and tyres
Page 403 of 521
#
Position jack 2at jack support point 1.#
Turn ratchet ring spanner 3clockwise until
jack 2sits comple tely on ja cksupport point
1 and the base of the jack lies evenly on
th e ground. #
Continue toturn ratchet ring spanner 3
until the tyre is raised a maximum of 3 cm
off the ground. #
Loosen and remo vethe wheel (→ page 400). Re
moving a wheel Re
quirement:
R The vehicle is raised (→ page 398).
When changing a wheel, avoid applying any force
to the brake discs, since this could impair the
le ve l of com fort when braking.
* NO
TEDama getothre ading from dirt on
wheel bolts #
Do not place wheel bolts in sand or on
a dirty sur face. #
Unscr ew the uppermost wheel bolt com‐
ple tely. #
Screw centring pin 1instead of the wheel
bolt into theth re ading. #
Unscr ew there maining wheel bolts fully. #
Remo vethe wheel. #
Fitthe new wheel (→ page 400). Fi
tting a new wheel Re
quirement:
R The wheel is remo ved (→ page 400). 400
Wheels and tyres
Page 404 of 521
&
WARNING Risk of accident from losing a
wheel
Oiled, greased or damaged wheel bolt/wheel
nut thre ads or wheel hub/wheel mounting
bolt thre ads can cause the wheel bolts/
wheel nuts tocome loose.
As a result, you could lose a wheel while driv‐
ing. #
Never oil or grease theth re ads. #
Intheeve nt of damage totheth re ads,
con tact a qualified specialist workshop
immediatel y. #
Have the damaged wheel bolts or dam‐
aged hub thre ads replaced. #
Do not continue driving. #
Obser vethe information on thech oice of
tyres (→ page 392).
Fo r tyres with a specified direction of rotation,
an ar rowonthe side wall of the tyre indicates
th e cor rect di rection of rotation. Obse rvethe
direction of rotation when fitting. #
Slide the wheel tobe mounted onto the cen‐
tring pin and push it on. &
WARNING Risk of inju ryfrom tightening
wheel bolts and nuts
If yo u tighten the wheel bolts or wheel nuts
when theve hicle is raised, the jack could tip. #
Only tighten wheel bolts or wheel nuts
when theve hicle is on the ground. #
For saf etyre asons, on lyuse wheel bolts
which ha vebeen appr ovedfo r Mercedes-
Benz and the wheel in question. #
Tighten the wheel bolts until they are finger-
tight. #
Unscr ew the cent ring pin. #
Tighten the last wheel bolt until it is finger-
tight. #
Lowe rth eve hicle (→ page 401). Lo
weri ngtheve hicle af ter a wheel change Re
quirement:
R The new wheel has been fitted (→ page 400). #
Place thera tchet ring spanner onto the he xa‐
gon nut of the jack so that the letters "AB"
are visible. #
Tolowe r the vehicle: turnthera tchet ring
spanner of the jack anti-clockwise. #
Tighten the wheel bolts evenly in a crosswise
pattern in the sequence indicated (1 to5 ).
Specified tightening torq ue: 150 Nm. Wheels and tyres
401
