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Old 06-14-2007, 08:21 AM   #9 (permalink)
bobterry99
BenzWorld Elite
 
Date registered: Jan 2004
Vehicle: 300SL, SL500
Location: Las Vegas, Atlanta
Posts: 1,443
Quote:
Originally Posted by BANANA
The window works perfectly with the up and down button. the problem is that the window does not go down automatically while opening the roof. i have to hold the window button to lower the window.
Quote:
Originally Posted by Chris7747
I also have the same problem but with the driver side and the Deal here told me that it's the control box of the window. Anyone can give me suggestion?
These problems probably have to do with the limit switch located in the bottom of the door. This switch closes when the window is fully lowered and is an input to the top controller (the top controller controls the windows).

When you use the window switch to lower the window, the controller unconditionally activates the motor. But when you use the window switch "express down" feature or the convertible top switch, then the motor runs only if the limit switch in the bottom of the door is open.

I would remove the door panel and have a look at the switch.
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