The front passenger window is frozen in the closed position (at least its not stuck open). Switch is good. I applied power from the battery via a jumper, and nothing happened. The Haynes manual says I need to detach glass from the regulator, which can't be done without lowering the glass. What do I do, this must happen all the time. Thanks.

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87 300e (white/black; amg body kit)
88 300ce (red/cream; amg body kit)
93 300ce cabrio (white/blue/blue top)
93 300ce cabrio (black/grey/black top)
98 ml 320 (totaled @ 137,000 miles)
99 clk320 (black/grey/black top)