Mercedes-Benz C-Class Operator's Manual page 306

Flat tire
304
and inserting wheel chocks. Never
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, 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
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objects 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 inches (3 cm).
never place your hands and feet under the
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raised vehicle.
never lie under the raised vehicle.
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never start the engine when the vehicle is
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raised.
never 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
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the vehicle when the vehicle is raised.
Using lug wrench :, loosen the bolts on
X
the wheel you wish to change by about one
full turn. Do not unscrew the bolts
completely.
The jacking points are located just behind the
wheel housings of the front wheels and just
in front of the wheel housings of the rear
wheels (arrows).
! The jack is designed exclusively for
jacking up the vehicle at the jacking points.
Otherwise, your vehicle could be damaged.
Position jack = at jacking point ;.
X
Make sure the foot of the jack is directly
X
beneath the jacking point.
Turn crank ? clockwise until jack = sits
X
completely on jacking point ; and the
base of the jack lies evenly on the ground.
Turn crank ? until the tire is raised a
X
maximum of 1.2 in (3 cm) from the ground.
I n f o r ma t i o n P r o v i d e d b y :