I use the MB products to clean my canvas. About every two years I use a cabriolet impregnating spray made by MB. This seals and waterproofs the canvas so the water will bead on the top and roll off when it hits it. When applying, do it after the top is clean, tape off the rear plastic windows and put sheets all over the rest of the car. In other words, lay a sheet over the entire car and manually raise the soft top so it sits on top of the sheet, the sheet protects the rest of the finish. Also cover the rest of the car to ensure no overspray hits the finish. Good luck.
Brian

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Brian W. Heitman

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