Date registered: Jan 2008
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I'm not the one who was asked.
However, a DA Polisher with Meguiar's Polishing Pad, and Meguiar's M135 has worked for me on removing swirls on my black SLK. I had tried 80 & 83 and didn't get good results.
M135 on the DA has worked for me several times. The only problem? I'm so lazy. Even doing it once a year to the entire car is unlikely for me. I think I'm down to doing the top surfaces of the car every other year, and the sides, the year in between.
Furthermore, I hate that in small areas you can't really polish well, like next to the license plate even with a smaller pad. I guess you're suppose to remove the license plate. Again, I'm lazy.
However, I do find M135 works nicely. Be careful with it ever by hand though, it seems like it leaves a dull finish if you do any touch up by hand and you will have to follow up.
With the DA though, the M135 seems to leave a very nice finish even without a follow up with another product.
Again, no guarantees, just some things I've observed.
2008 C300 Sport with P2 Package
2009 SLK 350 with P1 & Heating