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Wheels and tyres
steering and suspension. In the event of run
out, the wheel
s shoul
d be bal
anced again.
When a new wheel is fitted, it should be bal-
anced again.
Adjustments of the running gear: misaligned
running gear increases the wear of the tyres
and affects safety while driving. If tyres wear
too quickly, have the wheel alignment
checked at a specialised workshop.
Low profile tyres
Low profile tyres, compared to other rim and
tyre combinations, offer a broader tread and
a greater rim diameter along with a lower
height of the tyre sidewall. This results in a
more agile driving behaviour. However, on
roads that are in poor condition, this might af-
fect comfort and cause more noise.
Low profile tyres may deteriorate more quick-
ly than standard tyres, for instance due to
strong knocks, potholes, manhole covers and
kerbs. Therefore, maintaining the correct tyre
pressure is particularly important
›››
page 342.
To avoid damage to tyres and wheels, drive
with special care when driving on roads in
poor condition.
Visually inspect your tyres every 3,000 km re-
garding damage, e.g. flattening/cracks on
the tyre sidewall or deformations/cracks on
the rims.
If the rims and tyres have received a heavy
impact or have been damaged, have them
checked and, if required, replaced at a speci-
alised workshop.
Low profile tyres may deteriorate more quick-
ly than standard tyres.
WARNING
If you notice unusual vibration or the car
pulls to one side whil
e driving, this may in-
dicate that one of the tyres is damaged.
●
Reduce speed immediately and stop,
while observing the highway code.
●
Check the wheels and tyres for damage.
●
Never carry on driving on worn tyres or
wheels. Request qualified assistance im-
mediately.
●
If there is no visible exterior damage,
drive slowly and carefully to the nearest
specialised workshop and have the vehicle
checked.
Tyre code
Fig. 303
Universal code on tyres
Radial
Rim diamet
er code
L
oad inde
x & speed rating
DOT tyre identification number
Severe snow conditions
Tyre ply composition and materials used
Max. load rating
Treadwear, traction and temperature
grades
Max. permissible inflation pressure
Passenger car tyre
Nominal width of tyre in millimetres
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