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Home >> Mercedes Benz >> 2009 >> E550 Base >> Repair and Diagnosis >> Suspension >> Wheels & Tire System >> Tires, Tire Pressure & Wheels -- Basic Knowledge -- E550 (211.072) >> Basic Knowledge >> Tire pressure loss warning (RDW) Mercedes-Benz Driver Information Service - GF40.15-P-0002-03T

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

Fig 1: Identifying Instrument Cluster Components
G07506937Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

The tire pressure loss warning (RDW) can be displayed in the multifunction display (A1p13) in the instrument cluster (A1). These can be shown as follows:

IMPORTANT The messages in the multifunction display (A1p13) may be:

System information 

IMPORTANT The tire pressure loss warning (RDW) is only available as of "circuit 15 ON".

Fig 2: Screen Display - Tyre Pressure Monitor Available When Ignition On
G07506938Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Selection display 

IMPORTANT This display appears when a reactivation is performed

Fig 3: Screen Display - Tyre Pressure Monitor Active
G07506939Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Selection display 

IMPORTANT Once the tires have been checked, the confirmation for the tire pressure loss warning (RDW) is given in this display.

If this confirmation does not follow, the tire pressure loss warning is not active.

Fig 4: Screen Display - Conformation
G07506940Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Confirmation display 

IMPORTANT This display appears as confirmation that tire pressure loss warning (RDW) is active.

Fig 5: Screen Display - Tyre Pressure Monitor Reactivated
G07506941Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Warning message 

IMPORTANT Warning message while driving.

The tire pressure loss warning (RDW) has established that the rolling circumferences of the wheels have changed relative to each other. Checking the wheels is necessary.

The message can be acknowledged.

Fig 6: Screen Display - Check Tyres
G07506909Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

System reminder 

IMPORTANT Since the last red warning message the tire pressure loss warning (RDW) has not yet been restarted.

Fig 7: Screen Display - Check Tyres (Reactivate)
G07506943Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

System message 

IMPORTANT With this display the driver's acknowledgment is no longer possible.

Activation is only possible in the workshop using STAR DIAGNOSIS.

Fig 8: Screen Display - Tyre Pressure Monitor (Inactive)
G07506944Courtesy of MERCEDES-BENZ OF NORTH AMERICA.