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Tire pressure loss warning system
Function of the tire pressure loss warning
system
The tire pressure loss warning system warns the
driver by means of display messages when there
is a severe tire pressure loss.
After a change in tire pressure, a wheel rotation
or a tire change, or if you have re-installed
wheels or tires, the tire pressure loss warning
system has to be restarted (
/ page 425).
The tire pressure loss warning system does not
replace the need to regularly check the tire pres‐
sure.
System limitations
The system may be impaired or may not function
par ticularly in the following situations:
R
Incorrectly set tire pressure
R
Sudden pressure loss caused, for example,
by a foreign object penetrating the tire
R
Steady pressure loss in several tires
The system has a restricted or delayed function
particularly in the following situations:
R
Poor ground conditions, e.g. snow or gravel
R
Driving with snow chains
R
When adopting a very sporty driving style
with high cornering speeds or sudden accel‐
eration
R
Driving with a high load
Be sure to also observe the following further
related subjects:
R
Notes on tire pressure (/ page 419)
R
Display messages about the tires
(/ page 491)
Restarting the tire pressure loss warning
system
Requirements:
R
The recommended tire pressure is correctly
set for the respective operating status on
each of the four wheels (/ page 419).
Restart the tire pressure loss warning system in
the following situations:
R
The tire pressure has changed.
R
The wheels or tires have been changed or
newly installed.
On-board computer:
4
Service
5
Tires
#
Swipe downwards on the Touch Control on
the left-hand side of the steering wheel.
The Tire Pressure Control System
ActiveRestart message is shown in the multi‐
function display.
Restart the tire pressure loss warning system in
the following situations:
R
The tire pressure has changed.
R
The wheels or tires have been changed or
newly installed.
#
To begin the restart, press the Touch Control
on the left-hand side of the steering wheel.
The Tire Pressure Now OK? message is
shown in the multifunction display.
Wheels and tires
425
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