E 420 (210.072) V8-4.2L (119.985) (1997)
Keyless Entry Receiver: Description and Operation
Up to 06/96 Production
Up to 06/96 Production
Purpose
Receiving and amplifying the IR remote control signal.
Filtering out extraneous light.
Optical displays:
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Vehicle locked, unlocked
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Release of engine control
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Condition of batteries in remote control key
Function
The infrared remote control (IRCL) receiver module, interior mirror (A26/7) transfers the infrared light beam from the IR remote control key with
transponder to the DAS infrared control module (N54/1) via a control cable.
When the vehicle is locked the red indicator lamps flash, when it is unlocked the green indicator lamps in the infrared remote control (IRCL)
receiver module, interior mirror (A26/7) flash. If the red and green indicator lamps flash alternatingly, the engine control is not released, if they
flash simultaneously it is necessary to check the condition of the batteries in the IR remote control key.