Looking for headlight restoration opinions - Mercedes-Benz Forum
 
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post #1 of 10 (permalink) Old 06-05-2019, 05:53 PM Thread Starter
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Looking for headlight restoration opinions

I picked up some 02-05 (used) headlights to upgrade my 01. I also bought a heavy duty headlight restoration kit since they were bought and shipped sight unseen. What the wrecking yard described as "fair" lens, I would say is good to very good.

So my question is, the kit I bought says to start wet sanding with the supplied 800 then 1200 then 2000 grit paper. I think I can start at the 1200 or 2000 then go on to the polishing paste. As a matter of fact, the one on the bottom I may just hit with the paste and no sanding.

But, I've never done headlights before. So those who have, what are your thoughts? And thank you in advance 🙂
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post #2 of 10 (permalink) Old 06-05-2019, 06:22 PM
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Quote:
Originally Posted by Kensk74 View Post
I picked up some 02-05 (used) headlights to upgrade my 01. I also bought a heavy duty headlight restoration kit since they were bought and shipped sight unseen. What the wrecking yard described as "fair" lens, I would say is good to very good.

So my question is, the kit I bought says to start wet sanding with the supplied 800 then 1200 then 2000 grit paper. I think I can start at the 1200 or 2000 then go on to the polishing paste. As a matter of fact, the one on the bottom I may just hit with the paste and no sanding.

But, I've never done headlights before. So those who have, what are your thoughts? And thank you in advance 🙂
Whatever you do be consistent with both - do the same to both of them, regardless of their condition.

What kit did you buy? The 3M kits are the best, in my experience. I just used one on my 2002 ML500 and the lenses on it were pretty bad. The climate here in Florida really takes a toll on plastics.

Dan
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post #3 of 10 (permalink) Old 06-05-2019, 07:52 PM Thread Starter
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It was just a generic eBay kit, but hat pretty good reviews/rating
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post #4 of 10 (permalink) Old 06-05-2019, 10:33 PM
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Wet sanded with 600 > 1200 and then DA polish with rubbing compound. If you already have a buffer it's a lot cheaper and faster than the headlight restoration kits. Still need to clear but waiting to do another car so I can spray both same time.

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post #5 of 10 (permalink) Old 06-06-2019, 04:31 AM
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I’ve used this kit from Amazon a bunch of times and it works very well:

https://smile.amazon.com/gp/product/...?ie=UTF8&psc=1

Dan
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post #6 of 10 (permalink) Old 06-06-2019, 04:48 AM Thread Starter
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No buffer, but I plan on keeping the mini pad and backing plate so if I ever need it in the future.

That 3M kit looks extremely similar to the one I bought. Hopefully mine works well, I paid the same amount for it, lol
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post #7 of 10 (permalink) Old 06-06-2019, 10:33 AM
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You should be able to get decent results with any of those kits. $10 makes it a lot easier to swallow. I impulse purchased one from local parts store for $20 about 10 years ago. That said, having used them before I'd still probably buy a few sheets of 600, 1200, 2k paper from the hardware store. It goes by a lot faster hand sanding with a quarter sheet of paper than using the little wheel on a drill and is a lot less aggressive.
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post #8 of 10 (permalink) Old 06-06-2019, 10:40 AM
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I would disagree.

If you use one of the 3M kits and a good corded drill, you can do a set of headlights in under 30 minutes. Thatís about the amount of time it typically takes me.

I understand buying all the separate components, but for $10 itís hardly worth it. I have a DA polisher, but I save it for the headlights that are just lightly hazed. If theyíre worse, like the set I showed in an earlier post, Iíll go full bore with a 3M kit. I usually have leftover materials from these as well, so after a couple of them I will often have enough leftovers to do another car, further reducing my costs.

Dan
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post #9 of 10 (permalink) Old 06-06-2019, 01:04 PM Thread Starter
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I ended up hand sanding. I tried the disc in my drill, but it kept feeling like it was grabbing even though it was plenty wet. Turned out ok, I didn't even touch the one that was already clear, the one I did is quite close to it now. Can't compain for $10, but next time i will try a better known one
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post #10 of 10 (permalink) Old 06-06-2019, 04:07 PM
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That's how I felt using the drill with the 3M kit when I did it 10 years ago. It's unergonomic to keep it perpendicular to the surface of the lens and kept grabbing and running. Polycarbonate is soft. With a quarter sheet of paper in the hand an long strokes it goes by quick alternating horizontal and vertical strokes. The DA with 5" or 6" pad only takes a few passes to polish out 1200 grit lines.

But diff'rent strokes, of course. Not knocking anyone's method if it works for them.
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