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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.
▌Restarting the tyre pressure monitoring system
Requirements
The recommended tyre pressure is correctly
R
set for the respective operating status on each
of the four wheels (
page 554).
/
Restart the tyre pressure monitoring system in the
following situations:
The tyre pressure has changed.
R
The wheels or tyres have been changed or
R
newly fitted.
Driver's display:
©
Service
4
5
Select
Tyre pressure
and confirm with a.
#
Swipe downwards on Touch Control on the
#
steering wheel.
The
Use current tyre pressures as new refer-
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
Please correct tyre pres-
sure
message appears.
F232 0017 02
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,
message
the service brakes or components in the brake
system and in the wheel suspension may be
damaged.
Always replace wheels and tyres with
#
those that fulfil the specifications of the
original part.
For wheels, pay attention to the following:
Designation
R
Type
R
For tyres, pay attention to the following:
Designation
R
Manufacturer
R
Type
R
Wheels and tyres 557
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