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Check whether the wheel or valve has a
#
leak.
If you are unable to rectify the damage,
#
contact a qualified specialist workshop.
You can find information on recommended tire
pressures for the vehicle's factory-installed tires
on the following labels:
Tire and Loading Information placard on the
R
B‑pillar of your vehicle (
Tire pressure table on the inside of the fuel
R
filler flap .
Observe the maximum tire pressure
(
page 307).
/
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.
+
ENVIRONMENTAL NOTE Environmental
damage due to insufficient or excessive
tire pressure
Note that insufficient or excessive tire pres‐
sure shortens the service life of the tires.
For this reason, check the tire pressure
#
regularly; at least every 14 days.
Vehicles with a tire pressure monitor: 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
R
of direct sunlight for at least three hours.
The vehicle has traveled less than 1 mile
R
(1.6 km).
A rise in the tire temperature of 18 °F (10 °C)
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 may affect
the ride comfort.
& WARNING Risk of accident due to
unsuitable accessories on tire valve
If you mount unsuitable accessories onto tire
valves, the tire valves may be overloaded and
page 302).
/
malfunction, which can cause a loss of tire
pressure. Aftermarket tire pressure monitor‐
ing systems will cause the tire valve to remain
open, depending on the design. This can also
result in a loss of tire pressure.
Only screw standard valve caps or valve
#
caps specifically approved by Mercedes-
Benz for your vehicle onto the tire valve.
Notes on towing a trailer
The applicable tire pressures for the tires of the
rear axle is always the recommended tire pres‐
sure for a full load.
Tire pressure table
The tire pressure table can be found on the seat
base or on the B‑pillar on the driver's side.
%
The data shown in the images is example
data.
The tire pressure table shows the recommended
tire pressure for the tires installed at the factory
on this vehicle. The recommended tire pressures
are valid for cold tires and different vehicle load
conditions.
If one or more tire sizes precede a tire pressure,
the tire pressure information following is only
valid for those tire sizes.
If the preceding tire sizes are supplemented by
the + symbol, the tire pressure information
following shows alternative tire pressures.
The load conditions "partially laden" and "fully
laden" are defined in the table for varying
weights.
Some tire pressure tables only show the rim
diameter instead of the complete tire size, e.g.
R16. The rim diameter is part of the tire size and
can be found on the side wall of the tire
(
page 307).
/
Wheels and tires 297
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