Remove the door panel and whack on the motor a couple times while holding the window switch in the up position, sometimes they get stuck. You don't need a sledge hammer, but a couple strikes with a rubber hammer or a large screwdriver should do it.

Jerry

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Running:
85 300SD, 400K+, anthracite gray
97 S320, 275K black
02 E320 4matic Wagon, 175K green
88 Dodge W100, 165K, 4wd beast
Projects:
none, at the moment
Past:
83 300SD white, 350K+
84 300SD silver, 275K
00 C230 Kompressor, 200K+