Component description for the fuel tank pressure sensor - GF47.30-P-2100VU

WARNING: This page does not describe the selected car, but rather 28 other vehicles, including the 2012 Mercedes-Benz GL550, 2012 Mercedes-Benz GL450, 2011 Mercedes-Benz ML63, 2011 Mercedes-Benz ML550, and 2011 Mercedes-Benz ML350. However, it is still accessible from the selected car via links, so may be relevant.

MODEL 203 with ENGINE 272.920 with CODE (494) USA version

MODEL 211 with ENGINE 272.922 with CODE (494) USA version

MODEL 203, 209 with ENGINE 272.940 with CODE (494) USA version

MODEL 203 with ENGINE 272.941 with CODE (494) USA version

MODEL 171 with ENGINE 272.942 with CODE (494) USA version

MODEL 211 with ENGINE 272.943 with CODE (494) USA version

MODEL 211 with ENGINE 272.944 with CODE (494) USA version

MODEL 251 with ENGINE 272.945 with CODE (494) USA version

MODEL 221 with ENGINE 272.946 with CODE (494) USA version

MODEL 203, 209 with ENGINE 272.960 with CODE (494) USA version

MODEL 171 with ENGINE 272.963 with CODE (494) USA version

MODEL 211, 219 with ENGINE 272.964 with CODE (494) USA version

MODEL 221 with ENGINE 272.965 with CODE (494) USA version

MODEL 230 with ENGINE 272.966 with CODE (494) USA version

MODEL 164, 251 with ENGINE 272.967 with CODE (494) USA version

MODEL 203 with ENGINE 272.970 with CODE (494) USA version

MODEL 211 with ENGINE 272.972 with CODE (494) USA version

MODEL 221 with ENGINE 272.975 with CODE (494) USA version

MODEL 221 with ENGINE 273.922 with CODE (494) USA version

MODEL 164 with ENGINE 273.923 with CODE (494) USA version

MODEL 221 with ENGINE 273.924 with CODE (494) USA version

MODEL 164 with ENGINE 273.943 with CODE (494) USA version

MODEL 211, 219 with ENGINE 273.960 with CODE (494) USA version

MODEL 216, 221 with ENGINE 273.961 with CODE (494) USA version

MODEL 211 with ENGINE 273.962 with CODE (494) USA version

MODEL 164, 251 with ENGINE 273.963 with CODE (494) USA version

MODEL 230 with ENGINE 273.965 with CODE (494) USA version

MODEL 209 with ENGINE 273.967 with CODE (494) USA version

MODEL 221 with ENGINE 273.968 with CODE (494) USA version

Fig 1: Identifying Fuel Tank, Fuel Level Sensor, Fuel Tank Pressure Sensor And Fuel Pump

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Location

Model 203, 209, 211, 219: in the closing plate of the left fuel tank chamber
Model 171: in the closing plate of the fuel filter
Model 164: at the top of the filler neck (Version 1 for standard series) or at the top in the fuel tank
Model 221: above on the filler neck
Model 251: at the top in the fuel tank
Model 230: at the top in the fuel tank at the fuel level sensor.

Task

Detects the in-tank pressure for leakage testing of the purge system.

Function

The voltage supply of 5 V is performed by the ME control unit. The measuring range extends from approx. -50 mbar up to approx. +30 mbar.

The output signal is dependent on the in-tank pressure: -50 mbar approx. 0.5 V, 0 mbar approx. 3 V and +30 mbar approx. 4.5 V.