Safety note
WARNING
The display showing the specified tyre inflation
pressures does not replace the tyre inflation
pressure information on the vehicle. If incorrect
data has been entered into the tyre settings,
the specified tyre inflation pressures will also be
incorrect. As a result, reliable signalling of a loss
of tyre inflation pressure can no longer be guar‐
anteed. There is a danger of injury and damage
to property. Make sure that the tyre sizes of the
fitted tyres are displayed correctly and that they
match the specifications on the tyres and in the
tyre inflation pressure information.
Operating requirements
The following requirements must be met for the
system, otherwise reliable signalling of a loss of
tyre inflation pressure is not ensured:
▷
After each tyre or wheel change, the system
has detected the fitted tyres, updated the rel‐
evant information and, after a short journey,
shown it on the Control Display.
If the system does not detect the tyres auto‐
matically, enter the specifications for the fit‐
ted tyres in the tyre settings.
▷
RDC only becomes active after a journey of
several minutes:
▷
After a tyre or wheel change.
▷
Reset, in the case of tyres with special ap‐
proval.
▷
After changing the tyre setting.
▷
In the case of tyres with special approval:
▷
After every tyre or wheel change, a reset
must be carried out when the tyre inflation
pressure is correct.
▷
A reset must be carried out after the tyre
inflation pressure has been adjusted to a
new value.
▷
Wheels with TPM wheel electronics.
Tyre settings
General
If the system does not detect the tyres automati‐
cally, the specifications for the fitted tyres can be
entered in the tyre settings.
The tyre sizes of the fitted tyres can be found in
the tyre inflation pressure information on the ve‐
hicle or directly on the tyres.
The tyre data does not have to be re-entered if
the tyre inflation pressure is corrected.
For summer and winter tyres, the tyre data last
entered for each type is saved. This means that
the settings can be retrieved again after a tyre or
wheel change.
Adjusting the settings
Via iDrive:
1.
"CAR"
2.
"Vehicle status"
3.
"Tyre Pressure Monitor"
4.
"Tyre settings"
5.
"Tyre selection"
6.
"Manual"
7.
"Tyre type"
▷
"Summer tyres"
▷
"Winter/all-season"
8.
Select the type of tyre fitted on the rear axle:
▷
Tyre size, for example 245/45 R18 96 Y.
▷
In the case of tyres with special approval:
"Other tyre".
See the Performing a reset section for
how to proceed.
9.
Select the load status of the vehicle if a tyre
size has been selected.
10.
"Save tyre settings"
The measurement of the current tyre inflation
pressure is started. The progress of the meas‐
urement is shown.
Seite 347
Wheels and tyres
MOBILITY
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