Question about Arnott
Has anyone installed the cheaper struts on their GL? I found a website that has lifetime replacement and it’s only $400 for both front struts.
One other thing. I bought this car because of really good service history, always serviced at the dealer. The fronts have been replaced 4 times by the dealer from the previous owner. The rear bags have 0 history of being done. Do you guys recommend doing the rears anyway even tho they aren’t bad? I’m at 131,000 miles. Thank you.
The FCP Euro lifetime warranty requires you to return the parts in their original boxes (or you get charged I think 20%) on your dime, so it isn't exactly a free replacement.
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At the rear these items are separate ... on my GL the life of the rear shocks was very similar to the life of the rear air springs. Shocks are done for when they leak oil.
Recommend replacing shocks same time as replacing rear springs. You're doing the same thing when you replace front struts.
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I’m hoping they will last a while as this car only gets driven roughly 5,000 miles a year


in my case,
The original front struts lasted 8 years (49k miles), then the second set installed by Mercedes dealer lasted 5 years (53k miles).
The third set (arnott + mobile mechanic) has been there for 4 years and 15k miles, let's see how long the arnott front struts will last.
One time I checked the rear bags and found stoner spit; I think one of the front bags was also starting to go. Got on the phone with Arnott and the lady said they had upgraded the struts, so she would send both of those. The guy in shipping didn't believe me when I told him I needed all four.
But then I messed up. A swaybar link was loose and I thought it was the new strut. So I jacked them on one replacement. I fessed up and they were nice enough about it.
But they got their revenge. They sold me a Chinesium compressor. Man I went through a lot of grief on that one. I couldn't believe the new compressor had failed that quickly. Arnott super quality, amirite?
And then there was the fellow that noticed that the rear bags have a much lower pressure rating than the Bilsteins. This he found out when on a road trip. While towing. He no happy.
One time I checked the rear bags and found stoner spit; I think one of the front bags was also starting to go. Got on the phone with Arnott and the lady said they had upgraded the struts, so she would send both of those. The guy in shipping didn't believe me when I told him I needed all four.
But then I messed up. A swaybar link was loose and I thought it was the new strut. So I jacked them on one replacement. I fessed up and they were nice enough about it.
But they got their revenge. They sold me a Chinesium compressor. Man I went through a lot of grief on that one. I couldn't believe the new compressor had failed that quickly. Arnott super quality, amirite?
And then there was the fellow that noticed that the rear bags have a much lower pressure rating than the Bilsteins. This he found out when on a road trip. While towing. He no happy.
When I recently replaced the non-airmatic shocks on my ML, I noticed in the manual that the nut on the upper ball joint is supposed to be one-time use only. I can attest that using it more than that is probably safe since mine have been off quite a few times without issue.








