peeled clear coat removal - ML320 rear window pillars

Slik560

New member
I recently bought a 2003 ML320 that has a very typical condition on the rear window pillars – the clear coat has failed big-time.



My original plan was to get the remainder of the old peeling clear coat off somehow, then wet sand the two panels and see if they will polish up to any acceptable level. If not, then I would get them re-painted. But then I received a suggestion: why not wrap the two pillars in vinyl? So I picked up a piece of outdoor/automotive grade gloss black vinyl wrap from a local sign company today for $5.00.



Even with a vinyl wrap, preparation is the key, so I was also wondering: is there any way other than sanding to get the rest of the peeling clear coat off? One suggestion that I have tried with some success is taking some very adhesive tape (plastic or duct tape) and using that to peel off the clear coat that remains. I tried it last night and it actually worked on some of it! I may use a heat source to warm up the area and try again.



The goal is to get it all off and still have enough paint left underneath to play with, just in case the vinyl idea does not work out as well as I expect. Any other suggestions for removing the last of the old clear coat? I was also considering acetone, but I would have to heavily mask off everything around the pillar areas and wipe carefully with the acetone on a microfiber cloth.



I plan to wait for warmer weather to apply the vinyl, which will give me time to do the remaining prep work. If this works well, then I’m on to something – if not, then I’m only out $5 and a little elbow grease! This might seem like a big deal over such a small thing, but I hate to think what a body shop would charge to re-spray those two window pillar panels.



Any suggestions on removing damaged clear coat are appreciated. Thanks.
 

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I would think a razor would be difficult on that curved panel, but I've never actally tried it.



If you do try the sanding route, just start at something with a ton of cut like 400grit and then work up to about 1000 or so. This sould shorten the sanding time dramatically, leave a smooth enough surface for the vinyl and be a whole lot more consistant than a razor or tape. Still use the tape to get the loose stuff off, but sand the rest.
 
RaskyR1 said:
I think sanding will still be the quickest.



Sanding it would be the best way...I agree...if you have a rotary you could blend that clear quite well, I've done it on a few cars and it comes out looking OK
 
Interesting, I have a 99 ML and mine are fine, I assumed they were just black plastic.
 
Compressed air is also an option to remove any loose paint but that's only if you happen to have a large air compressor handy. ;)
 
I peeled clear with my power washer, so check this too.



In fact, I removed the clear from 2 panels, but I still have small patches similar to yours, so I kinda facing the same challenge.



I'll check the surgical blades, normal razors or even plastic razors, but I've never used plastics, so dunno if they were working.



Clear1.jpg




Clear2.jpg




Clear3.jpg
 
I ended up wet sanding the old clear coat off (400 grit & working up to 1500) and then used M105/205 on an orbital with orange & red pads to polish up the panels to a presentable state. Looks a lot better than I thought it would! It took about an hour's worth of sanding and another 45 minutes of polishing. If they ever start to fade, I'll just repeat the process.
 
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