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emoynier
Regular
Date registered: Jul 2014
Location: New York and Montreal
Vehicle(s): W463 1997 300TD
Posts: 91
| Underbody corrosion protection
What underbody and cavity rust preventive product the group recommends that can be bought in the USA?
Is this any good from the UK
 (IMG_0243.PNG)
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 IMG_0243.PNG (661KB - 1 downloads)
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03-Gwagen
Elite Veteran
Date registered: Apr 2006
Location: Western Pennsylvania
Vehicle(s): CLK63 Black Series, 2018 G63, 2016 GLE300d
Posts: 888
| RE: Underbody corrosion protection
I used that stuff one time for inside doors and rockers. Literally Stunk. Thought I ruined the G. Smell lasted months.
I like both http://www.eastwood.com/eastwood-heavy-duty-anti-rust-in-amber.html and http://www.fluid-film.com/ .
Edited by 03-Gwagen 7/20/2017 12:14 AM
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emoynier
Regular
Date registered: Jul 2014
Location: New York and Montreal
Vehicle(s): W463 1997 300TD
Posts: 91
| Re: Underbody corrosion protection
How about Dinitrol? |
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emoynier
Regular
Date registered: Jul 2014
Location: New York and Montreal
Vehicle(s): W463 1997 300TD
Posts: 91
| Re: Underbody corrosion protection
Or Fluid Film? |
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BlueG
Elite Veteran
Date registered: Aug 2009
Location: DC
Vehicle(s): 2003 G500
Posts: 714
| Re: Underbody corrosion protection
Fluid film works. Get a gallon and use a sprayer with your air compressor. Its taken from wool and has a particular scent that sticks around for a couple hours but after that its good. It leaves a good oily residue on stuff and into pores so rust really cant happen. I spray my trucks but haven't sprayed the G yet. G is getting it this fall. |
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Boy G
Expert
Date registered: Feb 2007
Location: Bushveld, South Africa
Vehicle(s): Diesel G's: 617A and 602
Posts: 1683
| Re: Underbody corrosion protection
Regarding the exposed surfaces, i stripped then blasted the old underbody sealant off and then replaced using Sika 529. The local distributor kindly loaned me the Jetflow gun used to apply it. I am really pleased with the result. My only issue with it was the yellow colour but that is easily solved by overcoating. I used Jotun Jotamastic 90.
If we can get these products in SA I am sure you can get them there. Mind you perhaps you cant. I mean if you cant even get cool diesel vehicles there how can you get Sika.
Ok apologies, that was low.... |
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DUTCH
Administrator Doppelgänger
Date registered: Apr 2006
Location: US, GA, Atlanta
Vehicle(s): 2015 Audi Q7 3.0 TDI,2018 Sprinter
Posts: 9963
| Re: Underbody corrosion protection
Boy G - 7/20/2017 3:04 PM
If we can get these products in SA I am sure you can get them there. Mind you perhaps you cant. I mean if you cant even get cool diesel vehicles there how can you get Sika.
Ok apologies, that was low....
Sika is available here in many and various types - in spite of the fact that MB doesn't think its diesel are good in the North American market. Because of the dieselgate emissions problems, MBUSA had no 2017 diesel cars for sale. The only diesel they sold for 2017 was the Sprinter.
Damned Political shame, but I'm straying off topic.  |
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Fred V
Regular
Date registered: Apr 2014
Location: Green Mnts
Vehicle(s): 02 G500
Posts: 88
| RE: Underbody corrosion protection
I have combined Waxoyl and Fluidfilm on the G. Had used Waxoyl on other vehicles prior to owning the G (with good result) and already had the applicator wands. I went over every nook and cranny which was time consuming enough that I doubted one of the commercial applicators would do the same. Since then I have had it sprayed with Fluidfilm each fall. One of the local autobody places applies Fluifilm for a few weeks each fall. Have to call in Aug to get one of the appointments in Sept or Oct (which reminds me...). Both Waxoyl and Fluidfilm have odors. Personally I prefer the smell of Waxoyl, chemical rather than the wet sheep smell of Fluidfilm. |
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osky1976
Member
Date registered: Oct 2016
Location: Kansas
Vehicle(s): 1990 Mercedes 250GD W460 LWB
Posts: 39
| Re: Underbody corrosion protection
What do you guys think about the POR 15? |
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Fred V
Regular
Date registered: Apr 2014
Location: Green Mnts
Vehicle(s): 02 G500
Posts: 88
| RE: Underbody corrosion protection
I have used POR 15. Sometimes successful, sometimes not. On the G I've tried two places, lower edge of rear door and on an aftermarket roof ladder. I just daubed some on rust spots on the ladder. No surface prep and no top coat. Lasted fairly well as in a little more than a year. Winters here are tough on metal, essentially a marine environment as the roads are treated with rock salt and brine, no sand. For the bottom edge of the door I got the media blaster going and cleaned down to bare metal after moving the gasket out of the way. POR15 on that cleaned metal but also lasted about year. Rust is back again and am going to try a local autobody shop. |
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osky1976
Member
Date registered: Oct 2016
Location: Kansas
Vehicle(s): 1990 Mercedes 250GD W460 LWB
Posts: 39
| Re: Underbody corrosion protection
There is a step by step process to take for prepping metal before you paint on the POR 15. Fred did you take those steps? |
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Fred V
Regular
Date registered: Apr 2014
Location: Green Mnts
Vehicle(s): 02 G500
Posts: 88
| RE: Underbody corrosion protection
No, no prep at all on the ladder. Just walked up to it on a dry day and applied POR15. The door edge was media blasted but again not the whole Marine Clear and Metal Ready process. I did do that when I started using POR15 (other vehicles) but got disillusioned and quit bothering. Try it out and see what you think. At least for me it did not turn out to be the corrosion barrier I had hoped. |
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