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Home >> Mercedes Benz >> 2019 >> C300 4Matic, 2D Convertible >> Repair and Diagnosis >> Accessories & Equipment >> Seats >> Seats, Bunks, Restraint Systems - 205 Chassis 1 Of 3 >> Basic Knowledge >> Component Description For Weight Sensing System (WSS) Control Unit - GF91.60-P-4069RF

Component Description For Weight Sensing System (WSS) Control Unit - GF91.60-P-4069RF

Model 205, 253 with code U10 (Automatic seat occupancy recognition and child seat recognition) 

Fig 1: Weight Sensing System (WSS) Control Unit Components Location - Model 205 With Code U10
G14197585Courtesy of MERCEDES-BENZ USA

Location 

The WSS control unit is located beneath the seat cushion at the front passenger seat cushion frame.

Task 

The WSS control unit determines the weight applied to the front passenger seat by means of a pressure measurement in a seat mat filled with silicone. The WSS control unit sends information on the weight classification over the seat occupancy LIN (LIN E2) to the supplemental restraint system control unit (N2/10).

  Wiring diagram for Supplemental Restraint System control unit Model 205 up to model year 2019 with code U10 (Automatic seat occupancy recognition and child seat recognition) Model 253 (except 253.99) with code U10 (Automatic seat occupancy recognition and child seat recognition) PE91.60-P-2106-97FBA
    Model 205 as of model year 2019 with code U10 (Automatic seat occupancy recognition and child seat recognition) PE91.60-P-2106-97FBB