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Home >> Mercedes Benz >> 2002 >> C240 Standard >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Anti-Theft & Central Locking -- 203 Chassis >> Basic Knowledge >> Glass breakage sensor, location/task/design/function - GF80.50-P-4107PS

Glass breakage sensor, location/task/design/function - GF80.50-P-4107PS

MODEL 203.2 with CODE (551a) Anti-theft alarm system (ATA) with CODE (882b) Interior motion sensor (only with anti-theft alarm system) 

Fig 1: Identifying Glass Breakage Sensors Location
G04735413
  Glass breakage sensor, location The left rear window glass breakage sensor (B39) and right rear window glass breakage sensor (B39/1) are located in the bottom area of the rear side window
The rear window glass breakage sensor (B39/4) is located in the bottom are of the rear window
 
  Glass breakage sensor, task Detects breakage of rear side window and rear window from line discontinuity  
  Glass breakage sensor, design A conducting loop is vacuum-metalized to the inside of the side window and the rear widow  
  Glass breakage sensor, function A line discontinuity is evaluated by the interior motion sensor transmitter and receiver and transmitted to the rear SAM control module with fuse and relay module via the controller area network bus class B (interior compartment) (CAN B).