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Changing a wheel
322
Place chocks or other suitable items under
X
the front and rear of the wheel that is diago-
nally opposite the wheel you wish to change.
Raising the vehicle
G
WARNING
If you do not position the jack correctly at the
appropriate jacking point of the vehicle, the
jack could tip over with the vehicle raised.
There is a risk of injury.
Only position the jack at the appropriate jack-
ing point of the vehicle. The base of the jack
must be positioned vertically, directly under
the jacking point of the vehicle.
!
The jack is designed exclusively for jacking
up the vehicle at the jacking points. Other-
wise, your vehicle could be damaged.
Observe the following when raising the vehicle:
To raise the vehicle, only use the vehicle-spe-
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cific jack that has been tested and approved
by Mercedes-Benz. If used incorrectly, the
jack could tip over with the vehicle raised.
The jack is designed only to raise and hold the
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vehicle for a short time while a wheel is being
changed. It must not be used for performing
maintenance work under the vehicle.
Avoid changing the wheel on uphill and down-
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hill slopes.
Before raising the vehicle, secure it from roll-
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ing away by applying the parking brake and
inserting wheel chocks. Do not disengage the
parking brake while the vehicle is raised.
The jack must be placed on a firm, flat and
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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.
Do not use wooden blocks or similar objects
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as a jack underlay. Otherwise, the jack will not
be able to achieve its load-bearing capacity
due to the restricted height.
Make sure that the distance between the
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underside of the tires and the ground does not
exceed 1.2 in (3 cm).
Never place your hands and feet under the
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raised vehicle.
Do not lie under the vehicle.
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Do not start the engine when the vehicle is
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raised.
Do not open or close a door or the trunk lid
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when the vehicle is raised.
Make sure that no persons are present in the
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vehicle when the vehicle is raised.
Vehicles with alloy wheels and hub caps: the
wheel bolts are covered by a hub cap. Before you
can unscrew the wheel bolts, you must remove
the hub cap.
To remove: take socket ; and lug wrench
X
= from the vehicle tool kit (
Position socket ; on hub cap :.
X
Position lug wrench = on socket ;.
X
Using lug wrench =, turn hub cap : coun-
X
ter-clockwise and remove it.
To install: before installing, check hub cap :
X
and the wheel area for soiling and clean if
necessary.
Put hub cap : in position and turn until it is in
X
the right position.
Position socket ; on hub cap :.
X
Attach lug wrench = to socket ; and
X
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).
page 286).
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