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What to do if …
Display message Possible cause/consequence Possible solution
Tire Pressure
Monitor
Inoperative
No Wheel Sensors
There are wheels without appropri-
ate wheel sensors mounted (e.g.
winter tires).
̈ Have the TPMS or Advanced TPMS* checked
by an authorized Mercedes-Benz Center.
̈ Have the appropriate wheel sensors installed
by an authorized Mercedes-Benz Center.
Tire Pres. Monitor
Wheel Sensor Missing
Vehicles with Advanced TPMS*:
One or more sensors malfunction
(e.g. battery in one or more wheel
sensors is empty).
One or more wheels without appro-
priate wheel sensors mounted (e.g.
spare tire).
̈ Have the Advanced TPMS* checked at an au-
thorized Mercedes-Benz Center.
̈ Have the wheel sensors installed at an
authorized Mercedes-Benz Center.
The tire pressure for the respective tire is
shown in the multifunction display.
One or more wheels without appro-
priate wheel sensors mounted (e.g.
spare tire).
The respective tire is indicated by ---
instead of the tire inflation pressure
in the multifunction display.
̈ Have the Advanced TPMS* checked at an au-
thorized Mercedes-Benz Center.
̈ Have the appropriate wheel sensors installed
at an authorized Mercedes-Benz Center.
Warning! G
Do not drive with a flat tire. A flat tire affects
the ability to steer or brake the vehicle. You may lose control of the vehicle. Contin-
ued driving with a flat tire will cause exces-
sive heat build-up and possibly a fire.