OK, I used the Sam's club degreaser 50/50 with water on the white W126. I went over it twice in some areas and over all the car looks better. There are still some stubborn diesel soot spots that I believe may take more effort to remove.

Enter Glare Auto Polish Liqui-Clay I came across this company a few years back and they have some good reviews on the internet. I've had the product on hand for a few years but have not yet tried it out.

https://www.glare.com/

this detail company in santa rosa california uses their products (the customers seem quite pleased):

https://blsautodetail.com/

My issue is the price of their polishers. I've attached a photo of one of their polishing pads, it is quite large with a 3/4 inch hole in the center for attaching to (I assume) one of their quite expensive polishing machines.

I am wondering if anyone might have any ideas for a less expensive option to use with the glare polishing pads??

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