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Rustproofing

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Old Mar 31, 2016 | 09:05 PM
  #1  
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2015 C300 4Matic Sport
Rustproofing

Anyone get this done? I live in the North, so there is a good amount of salt during the winter months. I would imagine a car wash a week would be good enough for the sides, but the under body could be susceptible.

If you have rustproofed (or not) and have something to add, I would be happy to hear it.

Thanks
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Old Apr 1, 2016 | 09:14 AM
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Modern cars are already rustproofed at the factory. Save your money for car washes.


IMHO of course
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Old Apr 1, 2016 | 09:52 AM
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I didn't know dealers still tried to sell unnecessary rustproofing. I thought that ended in the 80's. Don't do it.
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Old Apr 1, 2016 | 10:11 AM
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Thanks! I love this forum, so many knowledgable people without all the flaming. You guys rock!
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Old Apr 1, 2016 | 01:37 PM
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Originally Posted by Mikey53
Modern cars are already rustproofed at the factory. Save your money for car washes.


IMHO of course
This is correct.

There is no need for rustproofing since the late 90s. And undercoat is also very bad for modern cars and may block sensors.

The only stealerhsip upsell these days are security etching, clear bra, and interior protection products which to me only clear bra is worth it as long as they don't charge double of what good independent shop charges.
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Old Apr 2, 2016 | 01:36 AM
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While the car chassis will be well protected it will probably be items like brake pipes etc, that will be susceptible to rust.
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Old Apr 2, 2016 | 09:52 AM
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2013 C300 Sport 4Matic, 2000 Mustang GT Vert. Supercharged
I live in north (Read Canada). During normal winter, we have snow from late December to early March. Temperature can varies from 32 Fahrenheit (0 Celsius) to -13 Fahrenheit (-20 Celsius) in winter days. This has for effect to create a lot of humidity underneath and from inside of cars body.

In this harsh environment, car does rust, we can see late model cars (read Mazda, some GM & Chrysler) with prematurity rust. That being said, MB has good reputation of resisting to rust. There is a lot of MB 10 years old around here with no sign of rust.

I have decided to not add any additional rust proofing on mine as I did for my previous car (Nissan Maxima)
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Old Apr 2, 2016 | 10:01 AM
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There have been many published reports dealing with aftermarket rust-proofing over the years. Generally, the various brands of rust-proofing create more problems than they solve, and can actually contribute to oxidation.

Modern cars use aluminum and treated metal, as well as plastics, in their body panels and structure, and are much less susceptible to rust than older cars. The safest bet is to just ignore all the sales pitches for a very questionable and unnecessary product.
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Old Apr 3, 2016 | 11:06 AM
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Originally Posted by Bil
In this harsh environment, car does rust, we can see late model cars (read Mazda, some GM & Chrysler) with prematurity rust. That being said, MB has good reputation of resisting to rust. There is a lot of MB 10 years old around here with no sign of rust.

I have decided to not add any additional rust proofing on mine as I did for my previous car (Nissan Maxima)
Mazda is awful for rust due to quality of Japanese steel. But almost all other Japanese and and German cars are now built in America with American steel, rust is less of an issue.

It also depends on what your local government used to clear roads. East of Manitoba it is mostly salt base so it's wise to hose your car down whenever possible.

Out here in the prairies, we are too cold for salt to work and we are much dryer as well, so rust is never an issue since the 90s unless it comes from body damage.
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Old Apr 3, 2016 | 11:28 AM
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You guys are awesome, thanks for all of the good information. I will not be rustproofing!
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