E 500 4MATIC Wagon (211.283) V8-5.0L (113.969) (2004)
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Seat Occupant Classification Module - Air Bag: Description and Operation
GF91.60-P-4046T WSS (Weight Sensing System) Control Unit, Component Description
- as of 19.2.04 [model 211.0 /2]
- as of 1.7.06 [model 219.3]
- with CODE (494) USA version
Component Identification
Location
The WSS control unit is mounted to the front passenger seat frame.
task
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The WSS control unit determines the weight of a person or a mounted child seat on the front passenger seat using the WSS sensors (B48/11,
B48/12, B48/13, and B48/14), which are fastened to the seat frame.
The measured values are used to classify the weight, and they are provided to the restraint systems control unit (N2/7) for exact control of the
airbag stages.
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Evaluation and voltage supply of the WSS sensors
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Making the weight classification available via the Controller Area Network bus class B (interior) (CAN-B).
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Self-test of the WSS control unit and the WSS sensors. In the event of a defect, it is entered in the fault memory.
