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E320 Yr 2000, S430 YR 2002
546 Posts
Discussion Starter #1
I have a couple of issues with my Gear shifter. One is that the reverse lights do not work, Strangely, I get the "bulb malfunction" message intermittently - not sure why its not there all the time ( bulbs and fuses are OK). Secondly, the gear does not always shift out of park. I have a transmission module but I am not sure if it is functional.

1. Is there anty way to check if the unit works OK without installing it ?
2. How can I open the unit if I need to extract the "gear sense' switch from it.

I have attached the pictures. I see four, security torx bolts at the base of the unit. Do I have to loosen these ? are there other screws that may need to be loosened in addition ?



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