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Tire conditions
General information
Tire and system status are indicated by the color
of the wheels and a text message on the Control
Display.
Any existing messages may not be deleted if the
target pressure is not reached after the tire infla‐
tion pressure is corrected.
All wheels green
▷
The system is active and bases warnings on
the target pressures.
▷
For tires with special approval: the system is
active and bases warnings on the tire inflation
pressures stored during the last reset.
One to four yellow wheels
A flat tire or major tire pressure loss has occurred
in the indicated tires.
Gray wheels
It may not be possible to identify tire pressure
losses.
Possible causes:
▷
Malfunction.
▷
During tire inflation pressure measurement,
after confirmation of the tire settings.
▷
For tires with special approval: a reset is per‐
formed for the system.
For tires with special approval:
perform a reset
1.
"CAR"
2.
"Vehicle status"
3.
"Tire Pressure Monitor"
4.
Make sure that correct tire settings have
been made.
Tire settings, refer to page 330.
5.
Turn on drive-ready state and do not drive
off.
Online Edition for Part no. 01405A38D29 - VI/21
Wheels and tires
6.
Reset tire pressure: "Perform reset".
7.
Drive away.
The wheels are displayed in gray and the follow‐
ing is displayed "Resetting tire pressure...".
After a travel time of several minutes, the set tire
inflation pressures are accepted as the prede‐
fined tire inflation pressures. The reset is com‐
pleted automatically while driving.
After a successfully completed reset, the wheels
on the Control Display are shown in green and
the following is displayed: "Reset successful."
You may interrupt this trip at any time. When you
continue the reset resumes automatically.
Messages: for tires without
special approval
General information
A low tire inflation pressure may cause the DSC
Dynamic Stability Control to be switched on.
Safety information
Warning
A damaged regular tire with low or missing tire
inflation pressure impacts handling, such as
steering and braking response. Run-flat tires
can maintain limited stability. There is a risk of
accident. Do not continue driving if the vehicle
is equipped with normal tires. Follow the infor‐
mation on run-flat tires and continued driving
with these tires.
If a tire inflation pressure check is
required
Message
An icon with a Check Control message appears
on the Control Display.
MOBILITY
331
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