Need help with car polishing / compound - Mercedes-Benz Forum
 
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post #1 of 3 (permalink) Old 06-15-2019, 07:48 PM Thread Starter
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Angry Need help with car polishing / compound

Hi All,

I am new to car polishing and need some help. I bought a Porter Cable 7242XP and am using M105/M205 to compound and polish my car.
It looks MUCH better now under the light, but it is no where no perfection and i still have TONS of scratches and swirls.

My car is a 2017 C300, obsidian black colour. I read online that benz uses some super hard clearcoat and that could explain why im having a hard time compounding the scratches off. I was hoping to get some input if I need to compound it again, or just polish. And wanted to see how i can fix my bumper from thousands of tiny rock chips. The chips aren't through the clear coat and havent really damaged the paint, but i see tons of bumps on the paint which bother me. Any advice would help TONS!!

Here is the link to the album with my pictures:
https://imgur.com/a/dMBrmc6

Even after polishing, i am still getting swirls. And after compounding, i still have some larger scratches that wont disappear.


Here is a pic of my bumper


Thanks for the help!
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post #2 of 3 (permalink) Old 06-15-2019, 07:51 PM Thread Starter
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post #3 of 3 (permalink) Old 07-07-2019, 06:40 PM
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Here are several thoughts--be careful how much you compound/polish off, as you are removing material. The UV protection will be much less the more this is done. As far as the rock chips, I eventually had my bumper entirely repainted, then clear PPF (paint protection film) applied on top of that--and I'm even more careful about space between me and the car in front, just in case. I also had hood and partial quarter panel PPF, and you have to look hard to even see the film line.

Another option if repainting certain areas is not, is you could try Dr. ColorChip. There are a few videos showing how to squeegee it on, and then rub it off. They will match it exactly to your paint code. The squeegee effect will broadly fill in those many small areas, vs having to painstakingly and frustratingly apply it like touch-up paint. Wait 30 days before any further buffing on top of it, or PPF for that matter if you end up going that route.
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