MarkusSchneidi
Mercedes V Klasse Air Suspension Problems
Summary of the thread
The 2011 Mercedes V Klasse is experiencing air suspension issues, causing the vehicle to lean and display error messages. The problem is suspected to be due to a defective cable or plug connection to the compressor, which can lead to compressor malfunction and uneven ride height. A professional diagnosis confirmed a corroded connector on the compressor, which was cleaned and re-seated, resolving the issue and restoring the air suspension's functionality.
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4 comment(s)
MarkusSchneidi (community.author)
I've had a quick look, but I'm no expert I can see some wires and plugs near the compressor, but I wouldn't know what corrosion looks like, nor how to check for a 'loose pin' Is there a simple way to identify a bad connection Like, a specific wire to wiggle, or a plug I could try reseating Or maybe a YouTube video showing the usual suspects
ottokeller9
Given your admitted lack of expertise, I strongly advise against attempting any repairs yourself Incorrectly handling suspension components can be dangerous Your symptoms are consistent with a potential electrical fault within the air suspension system While a simple connection issue is possible, a professional diagnosis is warranted to rule out more complex problems Proceed to a qualified workshop for further assessment
MarkusSchneidi (community.author)
Understood, thanks for the advice I took it to a local shop and you were spot on it was a corroded connector on the compressor They cleaned it up, re-seated everything, and cleared the error codes Air suspension is working perfectly again The 95€ estimate was spot on, so I dodged a bullet there Thanks again for the help
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MERCEDES
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VKLASSE
ottokeller9
A defective cable or plug connection can certainly cause those symptoms The air suspension system relies on electrical signals to control the compressor and valves A break in the circuit can lead to compressor malfunction, uneven ride height, and error messages Have you inspected the relevant wiring harness and connections for corrosion, damage, or loose pins