Clear Coat Peeling Off - Mercedes-Benz Forum
 
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#1 (permalink) Old 10-18-2011, 12:41 AM
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Clear Coat Peeling Off

So for the past few months, all the Clear Coat (is what I'm guessing it is) is peeling off of all my plastic trim pieces. Front bumper, mirrors, the two trim pieces on the roof.

What causes this? How can it be fixed? How can it be prevented?

I'll try to get some pictures tomorrow.
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#2 (permalink) Old 12-14-2011, 02:24 PM
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This is caused by heavy chemicals usage and mechanical wear. In other words, it is caused by using Car Wash Drivethru.
That's a big no no.
Car Wash Drivethrus use strong chemicals and the machine they use is so abrasive it will, eventually, remove the Clear Coat paint then the Actual Paint itself.

Hand Wash is the only way to prevent it.


Quote:
Originally Posted by fata1ity View Post
So for the past few months, all the Clear Coat (is what I'm guessing it is) is peeling off of all my plastic trim pieces. Front bumper, mirrors, the two trim pieces on the roof.

What causes this? How can it be fixed? How can it be prevented?

I'll try to get some pictures tomorrow.

Charles
New York City, NY
Richmond County

United States of America
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#3 (permalink) Old 12-14-2011, 09:38 PM
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Quote:
Originally Posted by fata1ity View Post
So for the past few months, all the Clear Coat (is what I'm guessing it is) is peeling off of all my plastic trim pieces. Front bumper, mirrors, the two trim pieces on the roof.

What causes this? How can it be fixed? How can it be prevented?

I'll try to get some pictures tomorrow.
I have no idea what MB of florida is talking about. The only problem with car washes are the abrasive brushes they use scratch the paint, which are hardly that noticeable..

Delamination (clear coat peeling) is irreversible, and a pita to fix. your only option is to have it sanded down and painted. I'd be careful and take it to one of the more reputable shops around you, and check their work before it's painted. A lot of places will cut corners, and your clear coat will begin peeling in a year or two.

Edit: causes include sun exposure, not keeping the car waxed, and/or the simple fact that factory paintjobs aren't perfect and the fact that the car is 12years old.

Last edited by Benznoob26; 12-14-2011 at 09:46 PM.
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#4 (permalink) Old 12-17-2011, 05:11 AM
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Where are the photos you mentioned?

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#5 (permalink) Old 12-20-2011, 01:44 PM
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There was discussion of a similar topic in the W140 forum. If you clear coat has peeled there are a few things that may have caused it; harsh climate or exposure to UV rays a lot (especially if car is parked outside), repeated use of harsh chemicals when washing (ie Zep degreaser or something similar). Other than these things mentioned, they only real issue that would result in this is little or no maintenance of the paint, in other words, the car was probably not taken care as well as it should be. This may or may not be true, I have no idea if you are the original owner or not. These are just some ideas, so hopefully it helps. All the best.
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#6 (permalink) Old 12-21-2011, 08:37 AM
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Also shoddy body repair work. Factory Benz paint should never do this with regular care, under regular conditions.
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#7 (permalink) Old 01-05-2012, 07:23 AM
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I've also seen clear coat peel if it was put on after the layer below it has cured for more than a few months.
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#8 (permalink) Old 01-08-2012, 03:11 PM
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The other thing that is a factor is AGE, This car is 13 years old, Depending on where the car is located, Stop and think how many heating and cooling cycles that paint has seen!!!!!!!!!!! Newer paint has become more durable over the years but it will fail sooner or later, You can protect it (by waxing and keeping it out of the sun) but it will fail at some point.
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#9 (permalink) Old 01-09-2012, 01:26 AM
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Quote:
Originally Posted by Mercedes Benz of Florida View Post
This is caused by heavy chemicals usage and mechanical wear. In other words, it is caused by using Car Wash Drivethru.
That's a big no no.
Car Wash Drivethrus use strong chemicals and the machine they use is so abrasive it will, eventually, remove the Clear Coat paint then the Actual Paint itself.

Hand Wash is the only way to prevent it.
Agreed (plus the other factors mentioned (i.e. UV radiation, etc) but allied with harsh chemicals found in drive through 'touchless' washing will destroy clear coat paint

~ Providing unbiased advice that Professional and Enthusiast Detailer’s Trust ~ TOGWT Blog - TOGWT Facebook Page

Last edited by togwt; 01-09-2012 at 01:29 AM.
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