GLE63s, GLE63, GLE53 AMG SUV & Coupe (W166, W167) 2015 - Present (Two generations)

Rust signs behind the front grill

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Old Mar 21, 2024 | 06:20 PM
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GLE43AMG, CLA 250
Rust signs behind the front grill

Hello MB folks!

I have a 2018 GLE 43 AMG with 40k miles. Was walking up to the car when I noticed some rust signs behind the grill. Is this normal? Any advice or insight very much appreciated!

Thank you!



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Old Mar 21, 2024 | 06:38 PM
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See if the manufacturer's warranty is still active for rust/corrosion. I do not recall what the term is but all manufacturers have it and some exceed the limited new car warranty term.
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Old Mar 23, 2024 | 01:01 PM
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'21 AMG53 wDPP & ARC, 19 GLC300 - Former-03 C240,2 ML BlueTecs,20 GLE450 E-ABC,15 Cayenne D,17 Macan
I believe that any rust warranty is "rust through" coverage, not surface rust.

IMO your best solution would be Permatex Rust treatment with a brush on formula. It penetrates and stops rust while leaving a paintable surface.

https://www.permatex.com/products/sp...ctive%20primer.
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Old Mar 24, 2024 | 12:06 PM
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AMG GLE 53 Coupe
In my previous adventures with rust problems (not with MB) the requirement before they did anything was that it had to perforate the metal. Surface rust wasn't their problem.
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Old Mar 24, 2024 | 12:46 PM
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Originally Posted by mikapen
I believe that any rust warranty is "rust through" coverage, not surface rust.

IMO your best solution would be Permatex Rust treatment with a brush on formula. It penetrates and stops rust while leaving a paintable surface.

https://www.permatex.com/products/sp...ctive%20primer.
Interesting. Thanks! Googled it to see if I could use it on rusty roof deck rails from salty ocean air and then also came across this product which also sounds promising:

Xion Lab 2-in-1 Rust Converter & Metal Primer - Concentrate Covers Up to 4X More - Industrial Grade Water Based - UV Resistant Rust Reformer & Inhibitor - No Top Coat Needed - Works On Damp Surfaces https://a.co/d/hhHBrU6

I have plenty of rusty things around the house to try both of them.
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