Mercedes-Benz A-Class Operator's Manual page 296

294 Wheels and tires 294
Monthly
R
When the load changes
R
Before embarking on a longer journey
R
If operating conditions change, e.g. o -
R
road driving
Adjust the tire pressure, if necessary.
#
Tire pressure which is too high or too low can:
Shorten the service life of the tires.
R
Cause increased tire damage.
R
Adversely a ect driving characteristics and
R
thus driving safety, e.g. due to hydroplaning.
& W W ARNING
ARNING Risk of accident due to too low
a tire pressure
Tires with pressure that is too low can over-
heat and burst as a consequence.
In addition, they also su er from irregular
wear, which can signi cantly impair the brak-
ing properties and the handling characteris-
tics.
Avoid excessively low tire pressure.
#
Tire pressure which is too low can cause:
Tire malfunctions as a result of overheating
R
Impaired handling characteristics
R
Irregular wear
R
Increased fuel consumption
R
& W W ARNING
ARNING Risk of accident due to too high
a tire pressure
Tires with excessively high pressure can burst.
In addition, they also su er from irregular
wear, which can signi cantly impair the brak-
ing properties and the handling characteris-
tics.
Avoid excessively high tire pressures.
#
Tire pressure which is too high can cause:
Increased braking distance
R
Impaired handling characteristics
R
Irregular wear
R
Impaired driving comfort
R
Susceptibility to damage
R
& W W ARNING
ARNING Risk of accident due to repea-
ted pressure drop in the tires
The wheels, valves or tires could be damaged.
Too low a tire pressure can lead to the tires
bursting.
Examine the tires for foreign objects.
#
Check whether the tire has a puncture or
#
the valve has a leak.
If you are unable to rectify the damage,
#
contact a quali ed specialist workshop.
You can nd information on tire pressure for the
vehicle's factory-installed tires on the following
labels:
Tire and Loading Information placard on the
R
B‑pillar of your vehicle ( page 300).
/
Tire pressure table on the inside of the fuel
R
ller ap ( page 295).
/
Observe the maximum tire pressure
( page 306).
/
Use a suitable pressure gauge to check the tire
pressure. The outer appearance of a tire does not