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390 Wheels and tyres
390
Observe the following notes when using snow
chains:
Snow chains are only permissible for certain
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wheel/tyre combinations. You can obtain
information about this from a Mercedes-Benz
Service Centre.
For safety reasons, only use snow chains that
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have been speci cally approved for your vehi-
cle by Mercedes-Benz, or snow chains with
the same quality standard.
If snow chains are tted, the maximum per-
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missible speed is 50 km/h.
V V ehicles wit
ehicles with A
h Activ
ctive P
e Par arking Assist
king Assist: : do not use
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Active Parking Assist when snow chains are
tted.
%
You can permanently limit the maximum vehi-
cle speed for driving with winter tyres
(
page 183).
/
%
®
You can deactivate ESP
to pull away
(
page 176). This allows the wheels to spin,
/
achieving an increased driving force.
T T yr yre pr
e pressure
essure
N N o o t t es on tyr
es on tyre pr
e pressure
essure
& W W ARNING
ARNING Risk of accident due to insu -
cient or excessive tyre pressure
Underin ated or overin ated tyres pose in par-
ticular the following risks:
The tyres can burst.
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The tyres can wear excessively and/or
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unevenly.
The driving characteristics as well as the
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steering and braking characteristics may
be greatly impaired.
Comply with the recommended tyre
#
pressure and check the tyre pressure of
all tyres, including the spare wheel, regu-
larly:
monthly
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when the load changes
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before embarking on a longer journey
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if operating conditions change, e.g. o -
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road driving
Adjust the tyre pressure, if necessary.
#
Tyre pressure which is too high or too low can:
Shorten the service life of the tyres.
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Cause increased tyre damage.
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Adversely a ect driving characteristics and
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thus driving safety, e.g. due to aquaplaning.
& W W ARNING
ARNING Risk of accident due to 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 the valve has a leak.
If you are unable to rectify the damage,
#
contact a quali ed specialist workshop.
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