I did it without the new seal and it was a ***** to do. You need to take the metal inserts off the outside, then take the seal out. Also removal of rear deck cover and side panels is a must to access the whole inside part of the seal to put it back in. A new seal with a pull string in it would have made this job take less than an hour in my case instead of 6 frustrating hours. Once seal is around new glass you need to put the metal strips in before putting it in the car. This makes the seal stay put and keeps everything tight once installed. I tried putting them on after the fact only to realize I needed to take the window back out to insert them. Using a hook tool would have helped on getting the seal in properly and easily. Instead I used a large flat blade screw driver and a ton of patience to complete the operation. Very frustrating and wish I would have got a new seal!

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~Jamie
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2003 Pewter C230K SC C1, C4, C5, C7, heated seats, CD Changer, and 6 Speed. ContiExtremes on the C7's.

1986 190E 2.3 Black, Auto, Mods to come soon.....