| WARNING Risk of accident due to insufficient
or excessive tire pressure |
Underinflated or overinflated tires pose the
following risks:
- The tires may burst, especially as the
load and vehicle speed increase.
- The tires may wear excessively and/or
unevenly, which may greatly impair tire
traction.
- The driving characteristics, as well as
steering and braking, may be greatly
impaired.
- Comply with the recommended tire
pressure and check the tire pressure of
all tires including the spare wheel regularly:
- at least once a month
- when the load changes
- before embarking on a longer journey
- if operating conditions change, e.g. off-road
driving
- Adjust the tire pressure as necessary.
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Driving with tire pressure that is too high or too
low can:
- Shorten the service life of the tires.
- Cause increased tire damage.
- Adversely affect driving characteristics and
thus driving safety, e.g. due to hydroplaning.
| WARNING Risk of an accident due to
insufficient tire pressure |
| Tires with pressure that is too low can overheat
and burst as a result.
In addition, they also suffer from excessive
and/or irregular wear, which can significantly
impair the braking properties and the handling
characteristics.
- Avoid excessively low tire pressures in
all the tires, including the spare wheel.
|
Tire pressure which is too low can cause:
- Tire defects as a result of overheating
- Impaired handling characteristics
- Irregular wear
- Increased fuel consumption
| WARNING Risk of accident from excessive
tire pressure |
| Tires with excessively high pressure can
burst because they are damaged more easily
by highway fill, pot holes etc.
In addition, they also suffer from irregular
wear, which can significantly impair the braking
properties and the handling characteristics.
- Avoid excessively high tire pressures in
all the tires, including the spare wheel.
|
Excessively high tire pressure can result in:
- Increased braking distance
- Impaired handling characteristics
- Irregular wear
- Impaired driving comfort
- Susceptibility to damage
| WARNING Risk of accident caused by
repeated drop in tire pressure |
| If the tire pressure drops repeatedly, the
wheel, valve or tire may be damaged.
Insufficient tire pressure can cause the tires
to burst.
- Inspect the tire for signs of foreign
objects.
- Check whether the wheel or valve has a
leak.
- If you are unable to rectify the damage,
contact a qualified specialist workshop.
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You can find information on tire pressure for the
vehicle's factory-installed tires on the following
labels:
- Tire and Loading Information placard on the
B‑pillar of your vehicle.
- Tire pressure table on the inside of the fuel
filler flap.
Observe the maximum tire pressure.
Use a suitable tire pressure gauge to check the
tire pressure. The outer appearance of a tire
does not permit any reliable conclusion about
the tire pressure.
Vehicles with a tire pressure monitoring system:
You can also check the tire pressure using
the on-board computer.
Only correct tire pressure when the tires are
cold. Conditions for cold tires:
- The vehicle has been parked with the tires
out of direct sunlight for at least three hours.
- The vehicle has traveled less than 1 mile
(1.6 km).
A rise in the tire temperature of 18 ºF (10 ºC)
increases the tire pressure by approx. 10 kPa
(0.1 bar/1.5 psi). Take this into account when
checking the tire pressure of warm tires.
The tire pressure recommended for increased
load/speed in the tire pressure table can affect
the ride comfort.
| WARNING Risk of accident from unsuitable
accessories on the tire valves |
If you mount unsuitable accessories onto tire
valves, the tire valves may be overloaded and
malfunction, which can cause tire pressure
loss. Tire pressure monitoring systems for
retrofitting will cause the tire valve to remain
open. This can also result in tire pressure
loss.
- Only screw standard valve caps or valve
caps specifically approved by
Mercedes-Benz for your vehicle onto
the tire valve.
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