Sagging on rear driver side wheel but holding air.

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Nov 5, 2023 | 04:31 PM

BilliStyx91

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2008 Cls 550 base model

Sagging on rear driver side wheel but holding air.

The air spring was replaced in 2019 it looks like ( if this is a manufactured date im looking at on the airspring) so I'm thinking that's probably not the problem🤷‍♂️ but not 100%. It holds air but sits lower than the other three wheels. Also when I press the button to raise the car it raises but is still slightly lower than other wheels. Any ideas? Bad valve block maybe? I discounted the level sensor because if I understand correctly. The rear has one level sensor and only one side is effected.

Last edited by BilliStyx91; Nov 5, 2023 at 04:50 PM.

Nov 5, 2023 | 07:07 PM

fruitsalt

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2003 E55 AMG

Were both bags in the rear replaced or only one side ?

Nov 5, 2023 | 07:26 PM

BilliStyx91

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2008 Cls 550 base model

Quote:

Originally Posted by fruitsalt

Were both bags in the rear replaced or only one side ?

I don't know tbh I haven't removed the wheel from the otherside. Is there a reason it would be relevant?

Nov 5, 2023 | 07:37 PM

fruitsalt

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Joined: Mar 2021

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2003 E55 AMG

Quote:

Originally Posted by BilliStyx91

I don't know tbh I haven't removed the wheel from the otherside. Is there a reason it would be relevant?

The bags are supposed to be replaced in pairs. I’ve seen difference between sides when only one side is replaced

Nov 5, 2023 | 09:25 PM

BilliStyx91

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2008 Cls 550 base model

Quote:

Originally Posted by fruitsalt

The bags are supposed to be replaced in pairs. I’ve seen difference between sides when only one side is replaced

I'll have to check on that. In my mind the newer air spring would cause it to sit higher than the others though, is my reasoning off there?

Nov 6, 2023 | 12:20 PM

fruitsalt

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Joined: Mar 2021

Posts: 44

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2003 E55 AMG

Quote:

Originally Posted by BilliStyx91

I'll have to check on that. In my mind the newer air spring would cause it to sit higher than the others though, is my reasoning off there?

to my knowledge different manufacturers have different compressions and valvings. For example Ive experienced that the arnott rear air springs make the car sit about half an inch higher then the genuine Bilsteins do.
check to see if both air spring bags are they same, if they are the same then the vehicle probably needs an airmatic ride height calibration, which is currently what I am dealing with.