R 350 4MATIC (251.165) V6-3.5L (272.967) (2006)
Tire Pressure Sensor: Description and Operation
GF40.15-P-5126RT Wheel Sensor, Component Description
MODEL 251.1 /0 with CODE (475) Tire pressure monitor (Siemens)
MODEL 251.1
with CODE (470) Tire pressure monitor (base)
with CODE (494) USA version
Design
Together with the filling valve, the TPM [RDK] wheel sensors form a compact unit and are fitted into the rims like a screw-on valve. Modifications to
the rims are not required.
The following are located in the housings:
-
pressure sensor
-
temperature sensor
-
transmission stage
-
Lithium battery for internal voltage supply