Undercoating Protection Recommended?
Thread Starter
Newbie
Joined: Aug 2023
Posts: 5
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2023 GLS 450
Undercoating Protection Recommended?
I am about to enter the first Canadian winter with my 2023 GLS 450. I have been recommended by friend to get a rubberized undercoating that will protect the bottom of the car from all the salt and grime that will no doubt built up from driving on snow on city roads. I was not aware that this was a thing but I have found several shops that provide this coating service here and have found one that does 3M rubberized undercoating.
I am wondering if others have used something like this and would recommend it or not.
I am wondering if others have used something like this and would recommend it or not.
Junior Member
Joined: Nov 2021
Posts: 63
Likes: 16
2022 GLS 450 (X167)
Your friend generally talks, and I bet your friend does not know what the GLS looks like underneath. Mostly, it is covered with plastic panels. I probably can see a benefit in removing those panels and spraying, but the GLS doesn't have a whole lot of exposed body underneath. It is primarily the giant heatshield that is exposed of the exhaust system.
Member
Joined: Nov 2009
Posts: 245
Likes: 244
'20 GLS450, '17 S550 Sedan
I have never opted for aftermarket offerings with words like: sealant, protection, weatherproof, coating, armor, etc., as I believe they are not necessary, given how well modern automotive painting/coating is done at the factory. Furthermore, I would worry that who-knows-who with the spray gun shooting who-knows-what onto my underbody could inadvertently plug up an intentional drain hole or otherwise gum up the works of something important. Just my $0.02 
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