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GF40.15-P-0002-03GM Tire Pressure Loss Warning (RDW) Mercedes Benz Driver Information Service



GF40.15-P-0002-03GM Tire pressure loss warning (RDW) Mercedes Benz Driver Information Service
- with CODE (477) Tire pressure loss warning
- as of model year 09


The driver information for the tire pressure loss warning (RDW) system is output via the instrument cluster (A1).

A distinction is made between the following:
- Menu displays
- warning messages

The menu displays can be called up in the instrument cluster via the tire pressure loss warning menu. The warning messages appear automatically.





Menu display 1

The tire pressure loss warning system is only available as of circuit 15.





Menu display 2

Normal status of tire pressure loss warning system.





Menu display 3

Operation feedback after manual restart.





Menu display 4

The tire pressure loss warning (RDW) is nonfunctional.
Possible causes:
- Sensor fault in ESP control unit (N47-5)
- Undefined signal or no signal via engine compartment CAN





Warning message 1

Tire pressure loss warning without position specification. If there is a significant pressure loss, the warning message appears after the vehicle has been driven for a few minutes.





Warning message 2

Reminder message in the event of an ignition restart following tire pressure loss warning. The message is repeated each time the ignition is switched on, provided that the tire pressure loss warning (RDW) system has not been restarted.





Warning message 3

The tire pressure loss warning (RDW) is nonfunctional.
Possible causes:
- Sensor fault in ESP control unit
- Undefined signal or no signal via engine compartment CAN