Deep scratch near edge on auto glass

The glass on an old classic Ferrari has scratches near the edge of the rear door. In the same area of the glass is, what we call, the water-mark. It is the small stamp that tells who manufactured the glass, and other info. This must remain untouched. I know that I can not do this kind of repair with the Glass Renu system. I found a Dremel kit with many attachments, and the manual says that it can be used to grind and polish glass.
Has anyone worked with a dremel to grind and polish glass, either on autos or plate? :cool:

Stay the F–k away from it. It’s not worth your time and it may end up costing u more than your time.