50 km/h. When using snow chains, please
observe the legal requirements of the country in
which you are driving.
!
Before fitting the snow chains, check them
for damage. Damaged or worn snow chains
may snap and damage the following compo-
nents:
R
wheel
R
wheel housing
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wheel suspension
Therefore, only use snow chains that are in
perfect condition. Observe the manufactur-
er's installation instructions.
!
Vehicles with steel wheels: if you fit snow
chains on steel wheels, you may damage the
hub caps. Remove the hub caps from the rel-
evant wheels before fitting the snow chains.
Snow chains offer better traction in wintry road
conditions.
For safety reasons, Mercedes-Benz recom-
mends that you use only snow chains that have
been approved for Mercedes-Benz vehicles or
that are of a corresponding standard of quality.
Information about snow chains can be obtained
from any Mercedes-Benz Service Centre.
When fitting snow chains, please bear the fol-
lowing points in mind:
R
Snow chains cannot be fitted on all wheel/
tyre combinations. Observe the approved tyre
and snow chain dimensions when fitting the
snow chains. Observe the restrictions on the
use of snow chains under "Wheel/tyre Com-
binations" (Y page 373).
R
vehicles with rear-wheel drive: only fit
snow chains in pairs and only to the rear
wheels. Observe the manufacturer's installa-
tion instructions.
R
vehicles with front-wheel drive: only fit
snow chains in pairs and only to the front
wheels. Observe the manufacturer's installa-
tion instructions.
R
use snow chains only when the road surface is
completely snow-covered. Remove the snow
chains as soon as possible when you come to
a road that is not snow-covered.
R
local regulations may restrict the use of snow
chains. Observe the appropriate regulations
before fitting snow chains.
R
when driving with snow chains fitted, do not
exceed the maximum permissible speed of
50 km/h.
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check the tension of the chains after a dis-
tance of approximately 1.0 km.
You may wish to deactivate ESP
®
when pulling
away with snow chains fitted (Y page 72). This
way, you can allow the wheels to spin in a con-
trolled manner, generating increased propulsive
force (cutting action).
Tyre pressure
Information on tyre pressure
G
WARNING
Underinflated or overinflated tyres pose the
following risks:
R
the tyres may burst, especially as the load
and vehicle speed increase.
R
the tyres may wear excessively and/or
unevenly, which may greatly impair tyre
traction.
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the driving characteristics, as well as steer-
ing and braking, may be greatly impaired.
There is a risk of an accident.
Observe the recommended tyre pressure and
check the tyre pressure of all the tyres includ-
ing the spare wheel:
R
at least every two weeks
R
when the load changes
R
before embarking on a longer journey
R
for changed operating conditions, e.g. off-
road driving
If necessary, correct the tyre pressure.
G
WARNING
If you fit unsuitable accessories onto tyre
valves, the tyre valves may be overloaded and
malfunction, which can cause tyre pressure
loss. Due to their design, retrofitted tyre pres-
sure monitors keep the tyre valve open. This
can also result in tyre pressure loss. There is a
risk of accident.
Tyre pressure
359
Wheels and tyres
Z
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