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Noise of airmatic suspension in first few minutes of driving then goes away??

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Old May 30, 2011 | 09:14 PM
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S320 CDI (Brabus D6)
Noise of airmatic suspension in first few minutes of driving then goes away??

Hey guys,

I recently purchased a 2007 S320 CDI, with airmatic suspension. I notice there seems to be creaking or squeaky kind of nice when going of speed bumps within first 10 mins of driving car, but after the car "warms up" this noise disappears when hitting speed bumps.. Is this normal? i have a lot of speed bumps in my area, the noise is from front suspension i think.

After first 10-15 mins there is no more noise.

Thanks guys!
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Old Jun 2, 2011 | 09:21 PM
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Vath ML63 Brabus C63 SL63 CLK63BS C63BS
I have the same noise with my 2007 ML63 which also has airmatic. would love to know what it is
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Old Jun 3, 2011 | 08:52 PM
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S320 CDI (Brabus D6)
according to my mechanic, he says its the antiroll bar rubbers, the bushes or whatever they call them. but the whole antiroll bar has to be replaced. The place i bought the car where trying to fixing it by adding new roll bar links, but my mechanic says not going to work.
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Old Jun 3, 2011 | 08:52 PM
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it has to be replaced becuase the rubbers cant be repalced on their own/
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Old Jun 15, 2011 | 07:07 PM
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What's the cost of the repair?
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Old Jun 24, 2011 | 04:10 PM
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S320 CDI (Brabus D6)
the official mercedes place are saying its the 2 front arms left and right and is costing trough them 1200 euro. Nice s550 is that a LW?
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Old Jul 30, 2011 | 09:51 PM
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Sorry for the late reply, but yes it's a LW.

Originally Posted by realizment
the official mercedes place are saying its the 2 front arms left and right and is costing trough them 1200 euro. Nice s550 is that a LW?
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Old Jul 31, 2011 | 12:58 AM
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Originally Posted by realizment
the official mercedes place are saying its the 2 front arms left and right and is costing trough them 1200 euro. Nice s550 is that a LW?
So the official mercedes place cannot decide if it is the anti-roll bar rubber or something else?

There is a technical bulletin about the anti-roll bar rubber making noise at speed bumps etc. The fix does not need any new parts.
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Old Jul 31, 2011 | 07:10 AM
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Do you know the bulletin number? I'm having some slight squeaking now, but not major however I want to address it before it gets worse. I was thinking that it maybe the upper control arm bushings.
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Old Jul 31, 2011 | 10:16 AM
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Originally Posted by TDwayne69
Do you know the bulletin number?
I only know the Euro bulletin number, these are different from the ones from MBUSA.
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Old Oct 14, 2011 | 05:04 PM
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Bumping this thread, does anyone have bullentin number and can tell me what the "fix" consists of. Thanks.
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Old Oct 24, 2011 | 08:45 AM
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bump
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Old Nov 8, 2011 | 05:15 PM
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Bump again. I have the car in the shop for lower control arm replacement. If I push down on the left side of the car, I can hear the noise clear as day. Going to go ahead and change my engine mounts, here shortly. I'll DIY it. I see you can buy parts on Ebay for 100 or so bucks.
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Old Nov 8, 2011 | 05:28 PM
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I had the same issue, the replaced the left lower control arm (they charged $750.00 for parts, labor, and wheel alignment) and the sound went away, now the right side is making the same noise and I'm going to DIY it myself.
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Old Nov 8, 2011 | 05:42 PM
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Originally Posted by realizment
according to my mechanic, he says its the antiroll bar rubbers, the bushes or whatever they call them. but the whole antiroll bar has to be replaced. The place i bought the car where trying to fixing it by adding new roll bar links, but my mechanic says not going to work.
Had that problem before first time they replaced roll bars was around 700$ at the dealer. But that noise came back later, it wasnt that aloud but still noticeable, they replaced torgue thrust arm bushing, when i brought my car for airmatic issues, those cost 345$. Now there is no noise whatsoever.
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Old Nov 8, 2011 | 05:47 PM
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I ordered what I needed from FCPEuro. I ordered the cheaper part which was not in stock. Ordered the OEM Mercedes Part for around $200 shipped to Japan.

http://www.fcpeuro.com/products/merc...i-2213308207-1
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Old Nov 8, 2011 | 05:47 PM
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Creaking noise over speed bumps.

There is a Service Bulletin on this. I had this same problem with my "08" for quite some time before finally getting it resolved last year.
I had the dealer follow the procedure in the Service Bulletin. We weren't sure it was going to solve it but figured it was worth a try. They applied glue to the sway bar mounts and reinstalled them. The noise is completely gone and has been for over a year.
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Old Nov 8, 2011 | 05:48 PM
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Originally Posted by NJS430
There is a Service Bulletin on this. I had this same problem with my "08" for quite some time before finally getting it resolved last year.
I had the dealer follow the procedure in the Service Bulletin. We weren't sure it was going to solve it but figured it was worth a try. They applied glue to the sway bar mounts and reinstalled them. The noise is completely gone and has been for over a year.
Do you have bulletin or reference number?
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Old Nov 8, 2011 | 05:55 PM
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I had the bulletin which I printed off of STAR TECHINFO. Not sure where it is but I will look for it and post the bulletin # if I find it.

If someone currently has access to Star Techinfo they should be able to find the # and post it as well.

Originally Posted by 745Japan
Do you have bulletin or reference number?
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Old Nov 8, 2011 | 06:01 PM
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Originally Posted by NJS430
I had the bulletin which I printed off of STAR TECHINFO. Not sure where it is but I will look for it and post the bulletin # if I find it.

If someone currently has access to Star Techinfo they should be able to find the # and post it as well.
I would certainly appreciate this. Thanks
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Old Nov 8, 2011 | 08:01 PM
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Here is the Bulletin - I really didn't think this was my problem. I knew about this bulletin for a long time before I had them try it. Whenever I went over a speed bump, I would hear something between a creak and a thud. It didn't seem to match the description but it certainly was the problem. Should have had it done a year earlier.

Hope this helps you resolve your problem.

Note - I deleted Figure 6 in the Bulletin which just shows the epoxy being mixed on a plate. I needed to make the file smaller because of the size limitation on the forum

Originally Posted by 745Japan
I would certainly appreciate this. Thanks
Attached Files
File Type: pdf
10857-2.pdf (1.83 MB, 4134 views)

Last edited by NJS430; Nov 8, 2011 at 08:05 PM.
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Old Nov 9, 2011 | 03:04 AM
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Well no more noise on my car. Vehicle has 33K miles on the dash and the lower control arm was just shot. I'm going to go ahead and change the other one next week. But here is what I found today while changing out the first one today. Test drove it, all day after making the repairs and all is good.

Price was 230.00

Labor DIY so free.
Attached Thumbnails Noise of airmatic suspension in first few minutes of driving then goes away??-lca1.jpg   Noise of airmatic suspension in first few minutes of driving then goes away??-lca2.jpg  
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