Tyre pressure
370
chains as soon as possible when you come to
Snow chains
a road that is not snow-covered.
G WARNING
R local regulations may restrict the use of snow
chains. Observe the appropriate regulations if
If you have fitted snow chains to the front
you wish to fit snow chains.
wheels, they may scrape against the vehicle
R do not exceed the maximum permissible
body or chassis components. This could
speed of 50 km/h.
cause damage to the vehicle or the tyres.
R never use Parking Pilot when snow chains are
There is a risk of an accident.
fitted ( Y page 201).
To avoid hazardous situations:
You may wish to deactivate ESP ® when pulling
away with snow chains ( Y page 75). This allows
R never fit snow chains on the front wheels
the wheels to spin in a controlled manner, ach-
R fit snow chains to the rear wheels in pairs.
ieving increased propulsive force (cut).
Information about driving with an emergency
! Before fitting the snow chains, check them
spare wheel ( Y page 380).
for damage. Damaged or worn snow chains
may snap and damage the following compo-
nents:
Tyre pressure
R wheel
R wheel housing
Tyre pressure specifications
R wheel suspension
G WARNING
Therefore, only use snow chains that are in
perfect condition. Observe the manufactur-
Underinflated or overinflated tyres pose the
er's installation instructions.
following risks:
! You must drive at a raised vehicle level if
R the tyres may burst, especially as the load
snow chains have been fitted. The vehicle
and vehicle speed increase.
Wheels and tyres
could otherwise be damaged. Observe the
R the tyres may wear excessively and/or
notes in the "AIRMATIC package" section.
unevenly, which may greatly impair tyre
! When driving with snow chains fitted, do not
traction.
use the ADS sport mode (Adaptive Damping
R the driving characteristics, as well as steer-
System). The vehicle could otherwise be dam-
ing and braking, may be greatly impaired.
aged.
There is a risk of an accident.
For safety reasons, Mercedes-Benz recom-
mends that you use only snow chains that have
Observe the recommended tyre pressure and
been approved for Mercedes-Benz or that are of
check the tyre pressure of all the tyres includ-
an equivalent standard of quality. For more
ing the spare wheel:
information, please contact a qualified special-
ist workshop.
R at least every two weeks
Fit the snow chains on all driven wheels for max-
R when the load changes
imum tractive power and driving stability. If you
R before embarking on a longer journey
own snow chains for two driven wheels only, fit
the snow chains to the wheels on the rear axle.
R for changed operating conditions, e.g. off-
The vehicle then remains more stable under
road driving
braking
If necessary, correct the tyre pressure.
If you wish to fit snow chains, please bear the
following points in mind:
G WARNING
R snow chains cannot be fitted to all wheel/tyre
If you fit unsuitable accessories onto tyre
combinations. Permissible wheel-tyre combi-
valves, the tyre valves may be overloaded and
nations ( Y page 380).
malfunction, which can cause tyre pressure
R use snow chains only if the road surface is
loss. Due to their design, retrofitted tyre pres-
completely snow-covered. Remove the snow