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MOBILITY
Wheels and tires
Vehicle features and options
This chapter describes model-specific equip-
ment, systems and functions that are available
now and will be available in the future, even if
they are not available in the owned vehicle.
Additional information:
Vehicle equipment, refer to page 8.
Tire pressure
General information
The tire condition and tire pressure influence
the following:
▷
The service life of the tires.
▷
Driving safety.
▷
Driving comfort.
▷
Fuel consumption.
Safety information
Warning
A tire with too little or no tire inflation pres-
sure may heat up significantly and sustain
damage. This will have a negative impact
on aspects of handling, such as steering and
braking response. There is a risk of accident.
Regularly check the tire inflation pressure,
and correct it as needed, for instance twice
a month and before a long trip.
Tire pressure specifications
In the tire inflation pressure table
The tire inflation pressure table, refer to
page 290, contains all tire inflation pressure
specifications for the specified tire sizes at the
290
Wheels and tires
Online Edition for Part no. 01405A5F6E0 - VI/22
ambient temperature. The tire inflation pres-
sure values apply to tire sizes approved by
the manufacturer of the vehicle for the vehicle
type.
To identify the correct tire inflation pressure,
please note the following:
▷
Tire sizes of your vehicle.
▷
Maximum speed for driving.
On the control display
The current tire inflation pressure values and
the intended tire inflation pressure values for
the mounted tires can be displayed on the
Control Display.
To ensure that they are displayed correctly, the
tire sizes must be stored in the system and
must have been set for the mounted tires.
The current tire inflation pressure value is lo-
cated on each tire.
The reference tire inflation pressure value is
located in the lower area of the control display.
Checking the tire pressure
General information
Tires heat up while driving. The tire pressure
increases with the tire temperature.
Tires have a natural, consistent tire pressure
loss.
The displays of inflation devices may under-
read by up to 0.1 bar/2 psi.
Checking using tire inflation pressure
specifications in the tire inflation
pressure table
1.
Determine the intended tire inflation pres-
sure levels for the mounted tires.
2.
Check the tire inflation pressure in all four
tires, using a pressure gage, for example.
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