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Tyre wear and wheel change
Fig. 239 Tyre wear indicator / wheel change
Tyre wear increases in the following circumstances.
▶
Incorrect tyre pressures.
▶
Driving style (e.g. fast cornering, rapid acceleration / braking).
▶
Incorrect wheel balancing (you should have the wheels balanced after chang-
ing/repair tyres or if the steering “is drifting”).
▶
Wheel alignment errors.
There are wear indicator markers in the tyre treads, indicating whether the
minimum permissible tread depth has been reached » Fig. 239 -
. A tyre
should be regarded as worn out when this indicator is flush with the tread.
Markings on the walls of the tyres with the letters “TWI” or other symbols (e.g.
) indicate the position of the wear indicators.
To ensure uniform wear on all tyres, we recommend that you change the
wheels every 10 000 km, in line with the schedule » Fig. 239 -
.
WARNING
■
Change the tyres at the latest when they are worn down to the wear indi-
cators - risk of accident.
■
Faulty wheel alignment affects handling - risk of accident.
■
Unusual vibrations or the vehicle “pulling ” to one side could be a sign of
tyre damage. Reduce speed and stop! If there are no external signs of tyre
damage, seek the help of a specialist garage.
Spare wheel
A full spare wheel is identical to the wheels mounted on the vehicle.
A temporary spare wheel is provided with a warning label on the rim. Only use
this temporary spare wheel to reach the nearest specialist garage since it is
not intended for permanent use.
Instructions for using a temporary spare wheel
▶
Do not cover the warning sign.
▶
Be particularly observant when driving.
Inflate the spare wheel to the maximum prescribed inflation pressure
» page 206.
WARNING
A temporary spare wheel can only be used for a short time in the event of a
breakdown and with a correspondingly careful driving method.
Emergency spare wheel
A warning label is displayed on the rim of the temporary spare wheel. Only use
this temporary spare wheel to reach the nearest specialist garage since it is
not intended for permanent use.
The emergency wheel is significantly narrower than the wheels mounted
ex-factory.
Instructions for using an emergency wheel
▶
Do not cover the warning sign.
▶
Be particularly observant when driving.
WARNING
■
Observe the instructions on the warning sign of the temporary spare
wheel.
■
Do not drive with more than one spare wheel mounted!
■
Avoid full throttle acceleration, sharp braking and fast cornering when
driving with the temporary spare wheel.
■
Do not use snow chains on the temporary spare wheel.
Tyre marking
Explanation of tyre markings - e.g. 185/60 R 15 84 H
185 Tyre width in mm
60 Height/width ratio in %
207
Wheels
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