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ESP brake pressure sensor, location/task/function - GF42.45-P-4900F

MODEL 463.243 /244 /246 /247 /249 /250 /254 ## as of 127357 as of 1.9.01, 463.270 /271, 463.309 /322 /323 /332 /333 ## as of 127357 as of 1.9.01 with CODE (BB3) Electronic stability program (ESP) 

MODEL 463.248 ## as of 127357 as of 1.9.01 with CODE (BB3) Electronic stability program (ESP) except CODE (979) Special protected version 

Fig 1: Identifying ESP Brake Pressure Sensor
G07741602Courtesy of MERCEDES-BENZ USA
  ESP brake pressure sensor, location The ESP brake pressure sensor (B34) is mounted on the traction system hydraulic unit (A7/3).  
  ESP brake pressure sensor, task The ESP brake pressure sensor (B34) measures the hydraulic pressure of the brake fluid and generates an electrical signal according to the pressure of the brake fluid.  
  ESP brake pressure sensor, function A ceramic sensor element measures pressure of brake fluid. There is an electronic component in the metal casing of the sensor, which produces an analog voltage signal according to the pressure of the brake fluid.