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MOBILITY
the possible distance traveled may be up to
50 miles/80 km.
Vehicle handling with damaged tires
Vehicles driven with a damaged tire will han-
dle differently, potentially leading to conditions
such as the following:
▷
Greater likelihood of skidding of the vehicle.
▷
Longer braking distances.
▷
Changed self-steering properties.
Modify your driving style. Avoid abrupt steering
or driving over obstacles, for instance curbs or
potholes.
Final tire failure
Vibrations or loud noises while driving can indi-
cate the final failure of a tire.
Reduce speed and stop; otherwise, pieces of
the tire could come loose and cause an acci-
dent.
Do not continue driving. Contact an authorized
service center or another qualified service cen-
ter or repair shop.
System limits
The system could be delayed or malfunction in
the following situations:
▷
A natural, even tire pressure loss in all
four tires will not be recognized. Therefore,
check the tire inflation pressure regularly.
▷
Sudden serious tire damage caused by ex-
ternal circumstances cannot be recognized
in advance.
▷
The system has not been initialized.
▷
When driving on a snowy or slippery road.
▷
Sporty driving style: slip on traction wheels,
high lateral acceleration (drifting).
▷
When driving with snow chains.
338
Wheels and tires
Online Edition for Part no. 01405A7B930 - II/23
Changing wheels/tires
General information
When using runflat tires or a tire repair set, the
wheel does not always need to be changed
immediately in the event of a breakdown when
there is tire pressure loss.
If necessary, a suitable wheel change tool, e.g.,
a jack, is available as an accessory from an
authorized service center or another qualified
service center or repair shop.
Safety information
Warning
The jack is only provided for short-term lifting
of the vehicle for wheel changes. Even if all
safety precautions are observed, there is a
risk of the raised vehicle falling if the jack tips
over. There is a risk of injury or danger to life.
When the vehicle is raised with the jack, do
not lie under the vehicle and do not switch on
the drive-ready state.
Warning
Supports such as wooden blocks under the
jack reduce the load-carrying capacity of
the jack to bear weight. The load-carrying
capacity of the wooden blocks may be ex-
ceeded and the vehicle may tip over. There is
a risk of injury or danger to life. Do not place
supports under the jack.
Warning
The jack, issued by the vehicle manufacturer,
is provided in order to perform a wheel
change in the event of a breakdown. The
jack is not designed for frequent use, e.g.,
changing from summer to winter tires. Using
the jack frequently may cause it to become
jammed or damaged. There is a risk of injury
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