Whats the best way to remove surface rust????? - Mercedes-Benz Forum

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post #1 of 6 (permalink) Old 11-09-2005, 01:49 PM Thread Starter
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Whats the best way to remove surface rust?????

I have a 1986 560-SEL ,I kept it in a heated garage..

The rust is surface rust,it is not body rot. It is so tiny you would not see it unless I pointed it out to you. I never drove the Mercedes in the winter,or during bad weather,i have a cheap Honda accord for bad weather.

I drove it to a local Autobody shop and he insisted buying a brand new fender,He said he can find a good after market one.He does not wast time fixing surface rust,money is not made that way in hid shop.

He told me that anyone offering to fix my fender would be robbing me blind.

He clains its not possible to fit surface rot,it will
always come back to haunt you.Plus its completely impossible to match the color of an origional paint job.

I am upset becuse this is the only blemish on the car,its been kept in a heated garage in Greenwich,Connecticut,I purchased it because the origional primer on the frame and undercarraige are in mint condition,Plus it has the origional paint job.

Cananyone point me in the right direction toa autobody shop that can fix up a small area and prevent the rust from returning?

Years ago I saw a tv show on autobody were they kill rust dead in their tracks,I am not sure what procedure that is used but it stops rust dead in its tracks,maybe somw one reading this might know how its done.I just hope I can find a Professional bodyshop in the Connecticut area that handles small jobs like this.

I am in Connecticut arrea ,but will drive to surronding states if necessary.

I will inclose a picture of the front left fender

Thanks for your help Jason
Email nikonls8000@comcast.net
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1986 560SEL
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post #2 of 6 (permalink) Old 11-09-2005, 06:16 PM
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RE: Whats the best way to remove surface rust?????

If he insisted you to get a brand new fender and it is not possible to match the color then that mean that he will get a fender that is pre paint to the original color. I believe that a brand new fender will come in only primer and paint to match your car. Remeber when it come to automobile you have to check other place.
IMO he is lazy for a small job. What would be easier sand down, bondo, and paint or R/R and paint?
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post #3 of 6 (permalink) Old 11-09-2005, 06:34 PM
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RE: Whats the best way to remove surface rust?????


While I don't know about that particular bodyman doing it, I agree that the fender should be replaced. That is a pretty bad rust spot. It will come back more than likely. Fortunately, W126 fenders aren't as pricey as some other things.


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post #4 of 6 (permalink) Old 11-09-2005, 08:20 PM
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RE: Whats the best way to remove surface rust?????

Jason, The problem, one that the body man all too well knows, is that it's not just surface rust! Wait until you see what's underneath! The way to remove this cancer is to disassemble, grind out all the rust area, then repair it as required. Your fender looks like it can be saved.

With regards to paint, it should be no problem to match. Local professional body shops can match even older paints. Then they blend into the surrounding areas so you won't see a drastic change from one panel to another. Find a repair shop that will explain all the procedures to you. My rough estimate is $300 to $500. And no, there is no miracle product for rust in that area. There are products that eliminate rust, but it just doesn't apply here.

Check out these pics of "surface rust" at the bottom of the driver's door. Then, look at the bottom of the door when it was removed! Best of luck, it will be worth fixing!

If you want to see a real horror show, check out my restoration pics in my "gallery"!
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'80 240D, '87 560SL, '93 190E Sportline, '91 420SEL, '70 300SEL 6.3
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post #5 of 6 (permalink) Old 11-11-2005, 03:35 PM
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RE: Whats the best way to remove surface rust?????

A good bodyman can take out the rust, it can be sand blasted, filled and made to look great. Will the rust come back, maybe if it is not properly done, they restore classic cars with lots of rust. The paint can be matched including fading. I just had some spots done on my 92 and you cant tell, pricey yes, but imposible to tell. If they want to change the entire fender there is more damage by doing that, even rust thru, a patch can be welded in.
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post #6 of 6 (permalink) Old 11-12-2005, 09:09 PM
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RE: Whats the best way to remove surface rust?????

Rust is something you can never ever do in a half -a** way. If every speck of it isn't removed, it will come back -- later if not sooner.

Your rust is on a seam line where two pieces come together. They have to be seperated, sandblasted to clean metal, treated, primed and painted. Anything less is a complete waste of money.

I suspect your body guy was thinking if he pulled the fender off to clean the rust -- what's better spending the money to clean up an old fender or spend the money on a new one? As pointed out, 126 fenders aren't that expensive so why screw around? If the dollars are close go for the new and be rid of the rust on that piece of sheetmetal.

It just takes a few drives on a salty road without a rigorous cleanup afterwards to get rust started. The warm garage can actually contribute to it if the car is wet because the warmer moisture will attack the metal faster than ice. Frequently there is a tiny pit or scratch - barely visible that the water and salt start on.

Paint is easy to match - shouldn't be an issue.

A rust spot that size, to me, isn't tiny -- it's the tip of an iceberg.

Just remember - rust never sleeps.
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