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Tyre marking
Explanation of tyre markings - e.g. 185/60 R 15 84 H
185
Tyre width in mm
60
Height/width ratio in %
R
Code letter for the type of tyre – Radial
15
Diameter of wheel in inches
84
Load index
H
Speed symbol
Load index - indicates the maximum permissible load for each individual
tyre
Load index
83
Load
487
(In kg)
Speed symbol - indicates the maximum permissible speed for a vehicle fit-
ted with tyres in a given category
Speed
S
symbol
Maximum
speed
180
(in km/h)
WARNING
Never exceed the maximum permissible load bearing capacity and speed
for the tyres fitted – risk of accident.
Operating in winter conditions
All-year (or "winter") tyres
All-year or "winter"tyres (indicated by an M+S or a mountain peak/snowflake
symbol ) to improve the performance of the vehicle in winter conditions.
To get the best possible driving characteristics, all-year or "winter"tyres, with a
minimum tread depth of 4 mm on all four wheels, should be fitted.
84
85
86
87
500
515
530
545
T
U
H
V
190
200
210
240
If "winter" tyres are mounted, summer tyres should be fitted again in good
time as they provide better handling properties, a shorter braking distance,
less tyre noise and reduced tyre wear on roads which are free of snow and ice
as well as at temperatures above 7 °C.
Speed symbol
All-year or "winter"tyres (marked with M+S and a peak/snowflake symbol )
of a lower speed category than listed in the vehicle's technical documentation
can be used provided that the maximum permissible speed for these tyres is
not exceeded even if the maximum possible speed of the vehicle is higher.
On vehicles with Infotainment, the speed limit for all-season or "winter" tyres
can be set with the button
there is the possibility to set the speed limit for winter tyres at a specialist ga-
rage.
If the vehicle has all-season or "winter"tires of a lower speed category then the
88
specified maximum speed of the vehicle (referring to tyres that have not been
delivered by the factory, a warning label with the maximum value of the speed
560
category provided for the mounted tyres must be fixed in the interior of the
vehicle in a constantly visible place in the driver's field of vision. The warning
label (sticker) can be replaced by setting the maximum value of the speed cat-
egory specified for the mounted tyres in Infotainment (only applies to certain
countries). This specification defines the maximum vehicle speed with moun-
W
ted all-season or "winter"tyres that may not be exceeded.
Snow chains
270
The snow chains improve handling in wintry road conditions.
Before fitting the snow chains, remove the full wheel trims.
Snow chains must only be fitted on the front wheels and are applicable only to
the following wheel / tyre combinations.
Rim size
5J x 14
Only fit snow chains with links and locks not larger than 9 mm.
Rim size
6J x 15
Only fit snow chains with links and locks not larger than 12 mm.
in menu
→ → Tyres. For other vehicles,
Impression depth D
35 mm
Impression depth D
38 mm
Tyre size
175/70 R14
Tyre size
185/60 R15
215
Wheels
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