Mercedes-Benz 2012 B Class - Manual (Page 323)

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before raising the vehicle, secure it from
rolling away by applying the parking brake
and inserting wheel chocks. Never
disengage the parking brake while the
vehicle is raised.
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the jack must be placed on a firm, flat and
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.
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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.
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make sure that the distance between the
underside of the tires and the ground does
not exceed 1.2 inches (3 cm).
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never place your hands and feet under the
raised vehicle.
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never lie under the raised vehicle.
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never start the engine when the vehicle is
raised.
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never open or close a door or the trunk lid
when the vehicle is raised.
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make sure that no persons are present in
the vehicle when the vehicle is raised.
! The jack is designed exclusively for
jacking up the vehicle at the jacking points.
Otherwise, your vehicle could be damaged.
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 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).
X Take the ratchet wrench out of the tire-
changing tool kit and place it on the
hexagon nut of the jack so that the letters
AUF are visible.
X Position jack = at jacking point ;.
X Make sure the foot of the jack is directly
beneath the jacking point.
Changing a wheel
321
Wheels and tires
Z