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Changing a wheel
352
Securing the vehicle against rolling
away
If your vehicle is equipped with a wheel chock, it
can be found in the tyre-change tool kit
(
page 325).
Y
The folding wheel chock is an additional secur-
ing measure to safeguard the vehicle from roll-
ing away, e.g. during a wheel change.
Fold both plates upwards :.
X
Fold out lower plate ;.
X
Insert the lugs on the lower plate fully into the
X
openings in base plate =.
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.
Observe the following when raising the vehi-
cle:
only use the vehicle-specific jack that has
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been tested and approved by Mercedes-Benz
to raise the vehicle. If the jack is used incor-
rectly, it could tip over while the vehicle is
raised.
the jack is designed only to raise the vehicle
R
for a short time while a wheel is being
changed. It is not permissible to use it to per-
form 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
positioning wheel chocks. Do not release 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. use a rubber mat on tiles.
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 tyres and the ground does
not exceed 3 cm.
do not place your hands or feet under the
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raised vehicle.
do not lie under the raised 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 boot 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 raising the vehicle.
Vehicles with light-alloy wheels and hub
cap: the wheel bolts are covered by a hub cap.
Before you can unscrew the wheel bolts, you
must remove the hub cap. Two different variants
can be fitted.
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