yet display a warning about low tyre pres-
sure.
T
he Tyre Pressure Monitoring System also
has a malfunction indicator that provides
a corresponding warning if the system is
not functioning correctly. The fault indica-
tor is coupled to the indicator lamp for low
tyre pressure. If the system detects a fault,
the warning lamp flashes for around 1 mi-
nute when the vehicle is started and then
lights up continuously. This sequence is re-
peated each time the vehicle is started
again as long as the fault is present.
If the Tyre Pressure Monitoring System indi-
cates a fault, the tyre pressure cannot be
monitored correctly. A malfunction of the
Tyre Pressure Loss Indicator can have vari-
ous causes, e.g. due to replacement of
a wheel or tyre. When a wheel or tyre has
been replaced, check whether the
warn-
ing lamp is indic
ating a system malfunction
to ensure that the Tyre Pressure Monitoring
System is functioning properly → page 359,
→ page 364.
Tyre pressure display in the Infotain-
ment system
Fig. 215 Displa
y in the Infotainment system:
current tyre pressures (illustration).
1
Target tyre pressure in bar.
2
Actual tyre pressure in bar.
3
Loss in pressure at front le.
4
System malfunction for rear right tyre.
1. Switch on the ignition.
2.
Tap
App
overview
in the Infotainment
system.
3. Tap
V
ehicle
.
4
. Tap
Status
.
5.
Tap
Tyre
pressure
.
T
he vehicle is displayed with the target
and actual tyre pressures of all the
wheels → Fig. 215.
When the ignition is switched on, the last
measured tyre pressures will be displayed
first; these values will be updated when the
trip is started. If the tyre pressure is too low,
the respective actual values and the aec-
ted tyres will be marked → Fig. 215.
If the tyres are in rest state, the sensors will
not transmit any tyre pressures. This stops
the sensor batteries discharging.
The last received tyre pressures are shown
in grey if no tyre pressures are transmitted.
If a set of tyres is fitted to the vehicle where
the tyres either do not have tyre pressure
sensors or have tyre pressure sensors that
are not compatible with the vehicle, the in-
dicator lamp
will fla
sh for approximately
1 minute and then light up steadily. The tyre
pressures will not be monitored. The sys-
tem cannot be switched o.
Observe any country-specific legal re-
quirements for the Tyre Pressure Mon-
itoring System.
WARNING
The Tyre Pressure Monitoring System is
not a sub
stitute for the full attention of
the driver and operates only within the
limits of the system. The Tyre Pressure
Monitoring System cannot detect all driv-
ing situations and may not react or may
react with a delay or in an undesired way.
If you do not pay due attention, there is
a risk of accidents and serious injuries or
even death.
·
Always remain alert and do not rely
solely on the Tyre Pressure Monitoring
System. The driver is always responsi-
ble for ensuring the correct tyre pres-
sure.
·
Observe the system limits → page 358,
→ page 362.
·
Check the tyre pressure regularly when
the tyres are cold and always observe
the specified value according to the tyre
Tyre Pressure Monitoring System 361
2KF012720AE
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