Operation CHARM
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Mercedes Benz
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1998
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C 230 (202.023) L4-2.3L (111.974)
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Repair and Diagnosis
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Accessories and Optional Equipment
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Antitheft and Alarm Systems
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Description and Operation
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Transmitter and Receiver (Interior Motion Sensor)
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Purpose/Design
Purpose/Design
Purpose
Monitoring vehicle interior.
Design
The IMS transmitter and receiver module consists of one IR transmitter and receiver each for the front and rear side windows and a logic circuit for evaluation.