X
Stop the vehicl eonsolid,non-slipper yand
level ground.
X Appl ythe parking brake.
X Move the front wheel stothe straight-ahead
position.
X Shif tthe automatic transmissio ntoposition
P.
X Switch off the engine.
X Ifat raile risc oupled to the vehicle, uncouple
it.
X Remove the vehicl etool sand jack from the
vehicl e(Ypage 223).
X Remove the spare wheel from the spare wheel
bracket (Y page 223).
X Secure the vehicl eagains trolling away.
Securing the vehicle against rolling
away X
Place chocks or other suitable items under
the front and rea rofthe wheel that is diago-
nally opposite the wheel you wish to change.
Raising the vehicle G
WARNING
If you do not position the jack correctl yatthe
appropriate jacking point of the vehicle, the
jack coul dtip over with the vehicl eraised.
There is arisk of injury.
Only position the jack at the appropriate jack-
ing point of the vehicle. The base of the jack
must be positioned vertically,d irectly under
the jacking point of the vehicle.
! Only position the jack at the appropriate
jacking point of the vehicle. Otherwise, you
coul ddamage the vehicle.
Observe the following whenr aisingthe vehi-
cle:
R Use only the vehicle-specific jack that has
been tested and approved by Mercedes-Benz
to rais ethe vehicle. If the jack is used incor-
rectly, it coul dtip over while the vehicl eis
raised.
R The jack is designed only to rais ethe vehicle
for ashort time while awhee lisb eing
changed .Itisnot permissible to use it to per-
form maintenance work under the vehicle. R
Avoid changing the whee lonuphilland down-
hill slopes.
R Before raising the vehicle, secur eitagainst
rolling away by applying the parking brake and
positioning whee lchocks. Do not release the
parking brake whil ethe vehicl eisraised.
R The jack must be place donafirm, flatand
non-slip surface. On aloo se surface, alarge,
fla tload-beari ng underlay must be used .Ona
slippery surface, anon-slip underlay must be
used ,e.g.u se arubber matont iles.
R Do not us ewoode nblocks or similar objects
as ajack underlay .Otherwise, the jack will not
be able to achieve its load-bearing capacity
du etot he restricte dheight.
R Ensure tha tthe distance between the under-
side of the tyr eand the ground does not
exceed 3cm.
R Do not place your hands or fee tunder the
raised vehicle.
R Do not li eunder the raised vehicle.
R Do not start the engine when the vehicl eis
raised.
R Do not open or close adoorw hent he vehicle
is raised.
R Ensure tha tnopersons ar epresent in the
vehicl ewhenr aisin gthe vehicle. X
Using wheel wrench :,loosen the bolts on
the wheel you wish to change by abouto ne
full turn. Do not unscrew the bolts completely. 244
Changing
awheelWheels and tyres
X
Assembl ethe pump lever for the jack from the
vehicl etool kit. X
Tur nlowering screw =on the jack clockwise
as far as it will go using notch ;on the pump
lever.
Pressure release screw =is closed.
i Do not turn pressure release screw
=by
more than one to two revolutions. Otherwise,
hydrauli cfluid could escape. X
Position jack Avertically under the jacking
point of axle carrier tube ?.
X Keep pumping until axle carrier tube ?sits
securely in the recess of jack Aand the base
of the jack lies evenly on the ground. Ensure that th
ejack is locate dverticall yunder
the jacking point.
X Rais ethe vehicl ebypumping unti lthe tyr eis
no mor ethan3cmo ff the ground.
Removing awheel !
Do no
tplace wheel bolts in sand or dirt. The
threads of the wheel bolts and wheel hubs
could otherwise be damagedw hen the bolts
are tightened.
When fitting/removing wheels, and for as long
as the wheels are removed, avoid applying any
external force on the brake discs. This could
impair the level of comfort when braking.
X Unscrew the wheel bolts.
X Remove the wheel.
Fitting anew wheel G
WARNING
Oiled or greased wheel bolts/wheel nuts as
well as damaged wheel bolts/wheel nut
threads or wheel hub/wheel bolt threads
could cause the wheel bolts/wheel nuts to
loosen. As aresult, you coul dlose awheel
while driving. There is arisk of an accident.
Never oil or grease whee lbolts/wheel nuts. In
the event of damage to the threads, contact a
qualified specialist worksho pimmediately.
Have damaged whee lscrews/wheel nuts/
whee lbolts or the damaged whee lhub thread
replaced. Do not drive any further. G
WARNING
If you tighten the whee lbolts or whee lnuts
when the vehicl eisraised, the jack coul dtip
over. There is arisk of injury.
Only tighten the whee lbolts or whee lnuts
when the vehicl eisonthe ground.
It is imperative to observe the instructions and
safety notes on "Changing awheel"
(Y page2 43).
Only use whee lbolts that have been designed
for the whee land the vehicle. For safety rea-
sons, Mercedes-Benz recommends that you
only use whee lbolts which have been approved Changing
awheel
245Wheels an dtyres Z
