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Practical hints
What to do if ...
Display message
Tire pressure displayed
only after driving
a few minutes
Tire pressure monitor
inoperative
Tire pressure monitor
inoperative
No wheel sensors
Tire pressure monitor
temporarily
unavailable
Tire pressure monitor
Wheel sensor missing
428
Possible cause/consequence
Vehicles with Advanced TPMS*:
The tire inflation pressure is being checked.
The TPMS or Advanced TPMS* is
malfunctioning.
There are wheels without wheel sensors
mounted (e.g. winter tires).
The TPMS or Advanced TPMS* is unable to
monitor the tire pressure due to
a nearby radio interference source
excessive wheel sensor temperatures
One or more sensors malfunction (e.g. bat-
tery in one or more wheel sensor is empty).
One or more wheels without wheel sensors
mounted (e.g. spare tire).
Possible solution
Drive the vehicle for a few minutes.
Have the TPMS or Advanced TPMS* checked by an
authorized Mercedes-Benz Light Truck Center.
Have the TPMS or Advanced TPMS* checked by an
authorized Mercedes-Benz Light Truck Center.
Have the wheel sensors installed by an authorized
Mercedes-Benz Light Truck Center.
As soon as the causes for the malfunction are no
longer present, the TPMS or Advanced TPMS* auto-
matically becomes active again after a few minutes
of driving.
Have the TPMS or Advanced TPMS* checked by an
authorized Mercedes-Benz Light Truck Center.
Have the wheel sensors installed by an authorized
Mercedes-Benz Light Truck Center.
Vehicles with Advanced TPMS*:
The tire pressure for the respective tire is shown in
the multifunction display.
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