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Practical hints
What to do if …?
Display Possible cause/consequence Possible solution
Tire pressure monitor
inoperative
No wheel sensors
The Advanced TPMS* is deactivated be-
cause wheels without proper sensors were
installed.
̈ Have the wheel sensors installed by an authorized
Mercedes-Benz Center.
As soon as all wheels with sensors have been mounted, the
Advanced TPMS* is switched back on after driving for sever-
al minutes.
Tire pressure monitor
currently unavailable
The Advanced TPMS* is unable to monitor
the tire inflation pressure due to:
ț a nearby radio interference source
ț the on-board voltage is too low
ț excessive wheel sensor temperatures
As soon as the causes for the malfunction are no longer present,
the Advanced TPMS* automatically becomes active again after
a few minutes driving.
Tire pressures
displayed after driving
a few minutes
Vehicles with Advanced TPMS*:
The tire inflation pressure is being checked.
̈ Drive the vehicle for a few minutes.
Visit workshop
without shifting gears
The automatic transmission cannot be shift-
ed out of the set position because of a mal-
function.
If the automatic transmission is shift to drive position D
(
୴ page 399):
̈ Without changing the automatic transmission from drive
position D, contact an authorized Mercedes-Benz Center.
If the automatic transmission is shift to position N, R or P:
̈ Do not drive.
̈ Consult an authorized Mercedes-Benz Center.