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Old 03-17-2014, 07:00 PM
97 SL320 97 SL320 is offline
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Join Date: Jan 2012
Posts: 7,534
Are you holding the switch for 3 seconds after the window reaches the up limit of travel?
This is what stores the top limit.

The next time I do this on my car I'm going to put some rags on the glass edge to reduce closed height. Doing this will keep the seal from getting too crushed in normal use.
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