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Home >> Mercedes Benz >> 2009 >> E350 Base >> Repair and Diagnosis >> Transmission >> Clutch -- E350 (211.256) >> Basic Knowledge >> Clutch RPM sensor, location/task/design/function - GF25.19-P-5103A

Clutch RPM sensor, location/task/design/function - GF25.19-P-5103A

MODEL 203, 230 with TRANSMISSION 716.6 

with CODE (424) Sequentronic automated manual transmission (SEQ) 

up to Model Year 8 

MODEL 208, 209, 211 with TRANSMISSION 716.6 with CODE (424) Sequentronic automated manual transmission (SEQ) 

Fig 1: Identifying Clutch RPM Sensor
G07282951Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Clutch RPM sensor, location The clutch RPM sensor (B52) is mounted on the right-hand side of the manual transmission.
Clutch RPM sensor, task Transmits the current clutch RPM to the automated manual transmission control module (N15/6).
Clutch RPM sensor, design The clutch RPM sensor (B52) is designed as an inductive sensor. It consists of a magnetic core installed at a defined distance from a rotor in the transmission.
Clutch RPM sensor, function The magnetic field of the clutch RPM sensor (B52) is intersected by the teeth of the rotor in the transmission. This changes the magnetic field and the coil induces an AC voltage. This AC voltage changes frequency according to the clutch speed.