Conveniently my 93 300E has the auto up down window feature via the key locks. When I first purchased the car they worked flawlessly. However over the past six weeks the opening worked intermittently, and now only if its immediately after locking the door. The windows work normally in all other respects.

Suggestions, hints, experiences-

Thanks in advance

Thornton

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1993 300E
1999 E320 Estate