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Notes on noise or unusual handling charac‐
teristics
While driving, pay attention to vibrations, noises
and unusual handling characteristics, e.g. pulling
to one side. This may indicate that the wheels or
tires are damaged. If you suspect that a tire is
defective, reduce your speed immediately. Stop
the vehicle as soon as possible to check the
wheels and tires for damage. Hidden tire dam‐
age could also be causing the unusual handling
characteristics. If you find no signs of damage,
have the tires and wheels checked at a qualified
specialist workshop.
Notes on regularly inspecting wheels and
tires
&
WARNING Risk of accident from dam‐
aged tires
Damaged tires can cause tire pressure loss.
As a result, you could lose control of your
vehicle.
#
Check the tires regularly for signs of
damage and replace any damaged tires
immediately.
&
WARNING Risk of aquaplaning due to
insufficient tire tread
Insufficient tire tread will result in reduced
tire grip. The tire tread is no longer able to
dissipate water.
This means that in heavy rain or slush the
risk of hydroplaning is increased, in particu‐
lar if vehicle speed is not adapted to suit the
conditions.
If the tire pressure is too high or too low,
tires may exhibit different levels of wear at
different locations on the tire cont act sur‐
face.
#
Thus, you should regularly check the
tread depth and the condition of the tire
contact surface across the entire width
of all tires.
Minimum tread depth for:
R
Summer tires: â in (3 mm)
R
M+S tires: ã in (4 mm)
#
For safety reasons, replace the tires
before the legally prescribed limit for
the minimum tread depth is reached.
Carry out the following checks on all wheels reg‐
ularly, at least once a month or as required, e.g.
prior to a long jour ney or driving off-road:
R
Check the tire pressure (/ page 419).
R
Visually inspect tires and wheels for damage.
R
Check the valve caps.
The valves must be protected against mois‐
ture and dirt by the valve caps approved
especially for your vehicle by Mercedes-Benz.
R
Visual check of the tire tread depth and the
tire cont act surface across the entire width.
The minimum tread depth for summer tires is
â in (3 mm) and for winter tires ã in
(4 mm).
Wheels and tires
417
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