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Winter tyres lose their effectiveness when the tread is worn down to a depth
of 4 mm.
The speed rating code ⇒ page 233, "New tyres and wheels" determines the
following speed limits for winter tyres: ⇒
Q
max. 160 km/h
S
max. 180 km/h
T
max. 190 km/h
H
max. 210 km/h
In some countries, vehicles which can exceed the speed rating of the fitted
tyre must have an appropriate sticker in the driver's field of view. These
stickers are available from your Authorised Service Centre. The legal require-
ments of each country must be followed.
Do not have winter tyres fitted for unnecessarily long periods. Vehicles with
summer tyres handle better when the roads are free of snow and ice.
If you have a flat tyre, please refer to the notes on the spare wheel
⇒ page 233, "New tyres and wheels".
WARNING
The maximum speed for the winter tyres must not be exceeded. Otherwise,
this could lead to tyre damage and thus, an accident risk.
For the sake of the environment
Fit your summer tyres in good time. They are quieter, do not wear so quickly
and reduce fuel consumption.
Safety First
Operating instructions
Snow chains
Snow chains may be fitted only to the front wheels, and only to certain tyre
sizes ⇒ page 280.
205/55 R16
225/45 R17
225/40 R18
Remove wheel hub covers and trim rings before fitting snow chains. For safety
reasons cover caps, available in any Authorised Service Centre, must then be
fitted over the wheel bolts.
WARNING
Observe the fitting instructions provided by the snow chain manufacturer.
Caution
You must remove the snow chains to drive on roads which are free of snow.
Otherwise they will impair handling, damage the tyres and wear out very
quickly.
Note
•
In some countries, the speed limit for using snow chains is 50 km/h. The
legal requirements of the country should be followed.
•
We recommend that you ask your Approved Service Centre for information
about appropriate wheel, tyre and snow chain size.
Practical tips
Wheels and tyres
15 mm chains
9 mm chains
7 mm chains
Technical Data
235
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