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MarkusSchneidi

Mercedes V Klasse Air Suspension Problems

My 2011 Mercedes V Klasse diesel is giving me trouble The air suspension is shot and the whole thing is leaning I'm getting error messages and the low beams are all over the place Error memory points to a defective cable or plug connection to the compressor Could a dodgy connection cause this air suspension problem Has anyone experienced similar air leaks or ride height issues

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)

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

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