Originally Posted by Cal Learner

I've never cleaned these wheels, but I would be verrrrrrrrrrrrrrry reluctant to use Scotchbrite pads for almost anything on a Mercedes. They scour and leave scratches, even on glass. Sorry to say, I found that out the hard way! But I second the suggestion of orange cleaner. I've used the P21S brand of cleaner for years and it's never let me down. Spray on, let soak for a minute. Maybe try a nylon pad (Dobie or Scrunge) or even a toothbrush to agitate the cleaner. Then rinse.