S-Class (W221) 2007-2013: S 320 CDI, S 350, S 450, S 500, S 550, S 420 CDI, S 600

2008 S550 4Matic Airmatic Malfunction

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Old 09-04-2021, 08:49 PM
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Mercedes S550
2008 S550 4Matic Airmatic Malfunction

Got the dreaded Airmatic Malfunction Warning. Car drives fine however, once parked the left rear tire is definitely lower tan the rest. I've already spent 6,000 fixing the car in the last 3 months. I bought it at 86,500 miles. I'm not looking to spend much more. Does anyone have any idea of what I should check first before I commit to replacing the strut? And If I do have to replace the strut is Cardone a good enough replacement instead of Arnott for the strut?
Old 09-05-2021, 12:43 PM
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S500
they can leak air a bit and always seize level sensors... so the poor pump works hard to keep topping it up - half the time when not needed

swap all 3 sensors and see where you are...

then its pump is probably tired, then the struts may be old or not - most start with the struts when its nothing to do with the issue


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