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Refrigerant Pressure Sensor, Basic Function - GF83.40-P-2021A

Model all (CAR) 

General 

The pressure sensor records the refrigerant pressure at the high-pressure side of the air conditioning system and is read in directly by the climate control, control system. The refrigerant pressure sensor operates in a pressure value range of approx. 0 to 35 bar.

Location 

The pressure sensor is screwed in to the connection fitting of the refrigerant line (high-pressure side) in the area of the condenser.

Fig 1: Refrigerant Pressure Sensor Components Location - Model 205
G12939599Courtesy of MERCEDES-BENZ USA

IMPORTANT Depending on the model, the refrigerant pressure sensor can also be designated with B12.

Function requirements