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R
Before raising the vehicle, secure it from roll-
ing away by applying the parking brake and
inserting wheel chocks. Do not disengage the
parking brake while the vehicle is raised.
R
The jack must be placed on a firm, flat and
non-slip surface. On a loose surface, a large,
flat, load-bearing underlay must be used. On a
slippery surface, a non-slip underlay must be
used, e.g. rubber mats.
R
Do not use wooden blocks or similar objects
as a jack underlay. Otherwise, the jack will not
be able to achieve its load-bearing capacity
due to the restricted height.
R
Make sure that the distance between the
underside of the tires and the ground does not
exceed 1.2 in (3 cm).
R
Do not place your hands or feet under the
raised vehicle.
R
Do not lie under the vehicle.
R
Do not start the engine when the vehicle is
raised.
R
Do not open or close a door or the trunk lid
when the vehicle is raised.
R
Make sure that no persons are present in the
vehicle when the vehicle is raised.
Vehicles with hub caps: the hub cap covers
the wheel bolts. Before you can unscrew the
wheel bolts, you must remove the hub cap.
X
To remove: take socket ; and lug wrench
= from the vehicle tool kit (Y page 249).
X
Position socket ; on hub cap :.
X
Position lug wrench = on socket ;.
X
Using lug wrench =, turn hub cap : coun-
ter-clockwise and remove it.
X
To install: before installing, check hub cap :
and the wheel area for soiling and clean if
necessary.
X
Put hub cap : in position and turn until it is in
the right position.
X
Position socket ; on hub cap :.
X
Attach lug wrench = to socket ; and
tighten hub cap :.
The tightening torque must be
18 lb-ft (25 Nm).
i
Note that the hub cap should be tightened
to the specified torque of 18 lb-ft (25 Nm).
Mercedes-Benz recommends that you have
the hub cap installed at a qualified specialist
workshop.
X
Using lug wrench =, loosen the bolts on the
wheel you wish to change by about one full
turn. Do not unscrew the bolts completely.
The jacking point is centered between the front
and rear wheel arches (arrow).
Changing a wheel
283
Wheels and tires
Z
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