Has anyone had a problem with the drivers side window rattling when all the way down. The only way to solve this problem is to keep window up about a inch or two. I just bought the car on friday july 19th 2002. :confused
Do you mean that you just bought the 1997? Or is there a new C5 involved? I haven't seen any complaints on this particular issue, and IIRC, the most of the window adjustments are fairly accessible. The only frequent noise I can recall from that area is the seat belt hitting the door while in its retainer.
There are a few bulletins for inner door rattles from the regulator assemblies.
First, 83-15-05 is for a door rattle, and you would have to install an insulator in the door.
The second, is 00-08-64-004, which is for a noisy regulator movement, or inoperative condition.
Either of these 2 bulletins can be referenced for your concern.