Observe the following notes when using snow
c
hains:
R
Snow chains are only permissible for certain
wheel/tyre combinations. You can obtain
information about this from a Mercedes-Benz
Service Centre.
R
For safety reasons, only use snow chains that
have been specically approved for your vehi-
cle by Mercedes-Benz, or snow chains with
the same quality standard.
R
If snow chains are tted, the maximum per-
missible speed is 50 km/h.
R
Vehicles with Active Parking Assist: do not use
Active Parking Assist when snow chains are
tted.
%
You can permanently limit the maximum vehi-
cle speed f
or driving with winter tyres
(/ page 184).
%
You can deactivate ESP
®
t
o pull away
(/ page 178). This allows the wheels to spin,
achieving an increased driving force.
Tyre pressure
Notes on tyre pressure
&
WARNING Risk of accident due t
o insu-
cient or excessive tyre pressure
Underinated or overinated tyres pose in par-
ticular the following risks:
R
The tyres can burst.
R
The tyres can wear excessively and/or
unevenly.
R
The driving characteristics as well as the
steering and braking characteristics may
be greatly impaired.
#
Comply with the recommended tyre
pr
essure and check the tyre pressure of
all tyres, including the spare wheel, regu-
larly:
R
monthly
R
when the load changes
R
before embarking on a longer journey
R
if oper
ating conditions change, e.g. o-
road driving
#
Adjust the tyre pressure, if necessary.
Tyre pressure which is too high or too low can:
R
Shor
ten the service life of the tyres.
R
Cause increased tyre damage.
R
Adversely aect driving characteristics and
thus driving safety, e.g. due to aquaplaning.
&
WARNING Risk of accident due t
o repea-
ted pressure drop in the tyres
The wheels, valves or tyres could be damaged.
Too low a tyre pressure can lead to the tyres
bursting.
#
Examine the tyres for foreign objects.
#
Check whether the tyre has a puncture
or t
he valve has a leak.
#
If you are unable to rectify the damage,
cont
act a qualied specialist workshop.
394
Wheels and tyres