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472 Wheels and tyres
Tyre pressures will be displayed after a few
R
minutes of
driving: current values are not yet
known to the system. The pressure/tempera-
ture values of each tyre are displayed as soon
as they are known to the system.
Tyre pressure monitor
active: the teach-in
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process of the system is not yet complete. The
tyre pressures are already being monitored.
Compare the current tyre pressure with the
#
recommended tyre pressure for the current
operating condition (
page 470). Addition-
/
ally, observe the notes on cold tyres
(
page 469).
/
%
The values displayed in the driver's display
may deviate from those of the tyre pressure
gauge as they refer to sea level. At high eleva-
tions, the tyre pressure values indicated by a
tyre pressure gauge are higher than those
shown in the driver's display.
Bear in mind the following related topic:
Notes on tyre pressure (
page 469)
/
R
Restarting the tyre pressure monitoring system
Requirements:
The recommended tyre pressure is correctly
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set for the respective operating status on each
of the four wheels (
page 469).
/
Restart the tyre pressure monitoring system in the
following situations:
The tyre pressure has changed.
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The wheels or tyres have been changed or
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newly fitted.
Driver's display:
©
Service
4
5
Select
Tyre pressure
and confirm with a.
#
Swipe downwards on Touch Control on the
#
steering wheel.
Use current tyre pressures as new refer-
The
ence values?
message is shown in the driver's
display.
Select
Yes
and confirm the restart with a.
#
The
Tyre pressure monitor restarted
is shown in the driver's display.
Current warning messages are deleted and
the yellow h warning lamp goes out.
After you have been driving for a few minutes,
the system checks whether the current tyre
pressures are within the specified range. The
current tyre pressures are then accepted as
reference values and monitored.
If the tyre pressure levels are not within the
specified range, the
sure
message appears.
Bear in mind the following related topic:
Notes on tyre pressure (
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Wheel change
Notes on selecting, fitting and replacing tyres
& WARNING Risk of accident due to incor-
rect wheel and tyre dimensions
If wheels and tyres of the wrong size are fitted,
the service brakes or components in the brake
message
system and in the wheel suspension may be
damaged.
Please correct tyre pres-
page 469)
/
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