Useful information
These
Operating Instructions describe all the
models and standard and optional equipment
of your vehicle that were available at the time
of going to print. Country-specific differences
are possible. Bear in mind that your vehicle
may not be equipped with all the functions
described. This also applies to safety-relevant
systems and functions.
Read the information on qualified specialist
workshops (Y page 30).
Operating and road safety
Regular checking of wheels and tyres
Tyres
are of particular importance to the oper-
ating and road safety of the vehicle.
Regularly check the following:
R
tyre pressure (Y page 400)
R
tyre tread
R
tyre condition
A tyre dealer, a qualified specialist workshop
or any Mercedes-Benz Service Centre will be
able to provide further information about the:
R
tyre load-bearing capacity (LI, Load Index)
R
speed rating (maximum permissible tyre
speed)
R
tyre age
R
causes and consequences of tyre wear
R
measures to be taken in the event of tyre
damage
R
types of tyre for specific regions, areas of
operation or conditions of vehicle use
R
interchangeability of tyres, etc.
Tyre tread
G
WARNING
Insufficient tyre tread will reduce tyre trac-
tion. The tyre is no longer able to dissipate
water.
This means that on wet road surfaces,
the risk of aquaplaning increases, in particular
where speed is not adapted to suit the driving
conditions. There is a risk of accident.
If
the tyre pressure is too high or too low, tyres
may exhibit different levels of wear at differ-
ent locations on the tyre tread. Thus, you
should regularly check the tread depth and
the condition of the tread across the entire
width of all tyres.
Minimum tyre tread depth for:
R
summer tyres: 3 mm
R
M+S tyres: 4 mm
For safety reasons, replace the tyres before
the legally prescribed limit for the minimum
tyre tread depth is reached.
G
WARNING
There is a danger of aquaplaning occurring,
even if you are driving slowly and your tyres
have
sufficient tread depth, depending on the
depth of water on the road. There is a risk of
an accident.
For this reason, avoid tyre ruts and brake
carefully.
:
Example: tyre tread wear indicator
A specified minimum tread depth is a legal
requirement for all tyres. Observe the legal
requirements for the country you are cur-
rently in.
398
Operating and road safety
Wheels and tyres
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