MB DOC, could you tell me where the buzzer unit is located? Also, could it be that I have reversed the connections to the courtesy lamp? ( I am hoping for a simple cure) I have a U-Pull-It scrapyard nearby that is usually full of '80's 201 and 124 cars. Thanks.

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1992 400E current
1988 300E sold
1973 280C totalled
1973 280SEL never got it running
1971 250C my first love but rusted out