Tire pressure monitor
Principle
The Tire Pressure Monitor monitors the tire
pressure and issues a warning if the tire
pressure has dropped.
The sensors in the tire valves measure the
tire pressure and tire temperature.
Depending on the tires detected or entered,
the system displays the specified nominal
pressures on the Interaction Unit and com-
pares these with the current tire pressures.
General information
When using tires not found in the tire infla-
tion pressure specifications on the vehicle,
e.g., tires with special approval, the Tire
Pressure Monitor must be actively reset.
The system will then take over the actual
tire inflation pressures as the target pres-
sures.
When operating the system, also note the
information found in the Tire inflation pres-
sure chapter.
Additional information:
Tire inflation pressure, refer to page 286.
Safety information
Warning
The display of the target pressures is not
a substitute for the tire inflation pressure
details on the vehicle. Incorrect entries in
the tire settings can lead to incorrect tar-
get tire inflation pressure values. In this
case, it cannot be guaranteed that the no-
tification of a tire pressure loss will be
reliable. There is a risk of injury and risk
of damage to property. Make sure that the
sizes of your mounted tires are displayed
correctly and match the information on the
tires and the tire inflation pressure speci-
fications on the vehicle.
Functional requirements
If the following requirements are not met
for the Tire Pressure Monitor, tire pressure
losses may not be reported reliably:
– Whenever a tire or wheel is changed,
this system detects and updates the
mounted tires, displaying them on the
Interaction Unit after driving for a short
time.
Enter the information about the
mounted tires in the tire settings when
the system does not automatically de-
tect the tires.
– The Tire Pressure Monitor does not ac-
tivate until after driving for a few mi-
nutes:
– After a tire or wheel change.
– After a reset, when using tires with
special approval.
– After changing tire settings.
– When using tires with special approval,
note the following:
– After a tire or wheel change, a reset
was performed with the correct tire
inflation pressure.
– After the tire inflation pressure was
adjusted to a new value, a reset was
performed.
– Wheels with tire pressure sensors are
mounted.
Tire settings
General information
You can enter information on your mounted
tires in the tire settings if the tires are not
automatically detected by the system.
Seite 300
MOBILITY Wheels and tires
300
Online Edition for Part no. 01405B37A59 - II/24
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