Tire pressure loss warning (RDW) Mercedes-Benz Driver Information Service - GF40.15-P-0002-03CWB

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:

information messages and
warning messages

The information messages can be called up in the instrument cluster via the tire pressure loss warning (RDW) menu. The warning messages appear automatically.

Information message 1

The tire pressure loss warning (RDW) is nonfunctional. Possible causes are:

Sensor fault in Electronic Stability Program control unit (N30/4)
Undefined signal or no signal via chassis CAN

Fig 1: Display Run Flat Indicator Inoperative

Courtesy of MERCEDES-BENZ USA

Information message 2

Operating acknowledgment after reactivation.

Fig 2: Display Run Flat Indicator Restarted

Courtesy of MERCEDES-BENZ USA

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.

Fig 3: Display Tyre Pressure Check Tyres

Courtesy of MERCEDES-BENZ USA

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) has not been reactivated.

Fig 4: Display Check Tyre Pressures

Courtesy of MERCEDES-BENZ USA