dieseldiehard is absolutely right. When I had mine done, I used PPG glass, MB branded seal, and my parts guy sent me a Daimler-Benz white sticker so it looked original. This was a few years ago, but I seem to recall the whole job was under $500, installed.

Bob

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Bob Jones
Bradenton, FL
'87 560SL-Sold
'99 SL500 For Now