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Knocking and creaking noise from the front when driving over bumps. S class 2006 W221

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Old Feb 18, 2010 | 04:58 PM
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S 320 cdi (W221 2006)
Knocking and creaking noise from the front when driving over bumps. S class 2006 W221
I can hear some kind of clunk noise and a sound like an old mattress on the front of my car (steering area) when going over a small bump or a small pot hole.
Anybody can help me?
Thanks in advance.
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Old Feb 18, 2010 | 05:59 PM
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Sounds like a bad bushing or airbag...
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Old Feb 19, 2010 | 02:03 AM
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Which model year car is it? There is an old bulletin about the torsion bar mount issues that can create both noises.
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Old Feb 19, 2010 | 04:40 AM
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Old mattress? It is because the car is as comfortable as one.
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Old Feb 20, 2010 | 10:51 AM
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S 320 cdi (W221 2006)
Diesel Benz, my model car is a WDD2210221A081---
(S Class 2006 320cdi)

Can you explain this bulletin?

Thanks,
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