Sounds like bad wiring to me. Did you install it yourself? If so, I'd go back and check your wiring work. If not, take it to a good stereo shop, and they should be able to diagnose.

Mike

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1979 300 SD
350,000 miles
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1982 300D-gone---sold to a buddy
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1985 300TD
270,000 miles
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1994 E320
not my favorite, but the wife wanted it

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