Mercedes-Benz A-Class Owner's Manual page 350

Tyre pressure loss warning system
Function of the tyre pressure loss warning
system
The tyre pressure loss warning system warns the
driver by means of display messages when there
is a severe tyre pressure loss.
After a change in tyre pressure, a wheel rotation
or a tyre change, or if you have refitted wheels
or tyres, the tyre pressure loss warning system
has to be restarted ( page 347).
→
The tyre pressure loss warning system does not
replace the need to regularly check the tyre
pressures.
System limitations
The system may be impaired or may not function
in the following situations:
if the tyre pressure is set incorrectly
R
if there is a sudden pressure loss caused, for
R
example, by a foreign object penetrating the
tyre
if the pressure loss in several tyres decrea‐
R
ses at the same rate
The system has a limited or delayed function:
when the road surface is poor, e.g. snow or
R
gravel
when driving with snow chains
R
when driving in a very sporty driving style
R
with high cornering speeds or sudden accel‐
eration
when driving with a high load
R
Be sure to also observe the following further
related subjects:
Notes on tyre pressure (
→
R
Display messages about the tyres
R
( page 408)
→
Restarting the tyre pressure loss warning
system
Requirements:
The recommended tyre pressure is correctly
R
set for the respective operating status on
each of the four wheels (
→
Restart the tyre pressure loss warning system in
the following situations:
The tyre pressure has changed.
R
The wheels or tyres have been changed or
R
newly fitted.
On-board computer:
Service
,
Swipe downwards on Touch Control on the
#
left-hand side of the steering wheel.
The Run Flat Indicator activeRestart
is shown in the multifunction display.
page 339)
Restart the tyre pressure loss warning system in
the following situations:
The tyre pressure has changed.
R
The wheels or tyres have been changed or
R
newly fitted.
To begin restart, press Touch Control on the
#
left-hand side of the steering wheel.
page 339). The Tyre pressure now OK?
shown in the multifunction display.
Select
#
Wheels and tyres 347
Tyres
.
message
message is
Yes .