S-Class (W220) 1999-2006: S 320 CDI, S 320, S430, S 500, S 600

air suspension problem

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Old Jan 16, 2018 | 02:19 PM
  #1  
aligi's Avatar
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2013 c300 sport, 2001 s500,1992 600sel
air suspension problem

i just bought a 2001 S500 runs and drives great but when shut off L/R sags bad when the car is started and you push the button that raises the car it pumps up even if you shut the light on the switch off it still rides fine no warnings when you park it lowers back down on the L/R only any advise.
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Old Jan 17, 2018 | 09:57 PM
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Mercedes
Originally Posted by aligi
i just bought a 2001 S500 runs and drives great but when shut off L/R sags bad when the car is started and you push the button that raises the car it pumps up even if you shut the light on the switch off it still rides fine no warnings when you park it lowers back down on the L/R only any advise.
most likely you need a new air strut
less likely but also possible you have a leak in the air line to that strut , or your valve body has a internal leak to that strut
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Old Jan 22, 2018 | 09:29 AM
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2013 c300 sport, 2001 s500,1992 600sel
Ok, I replaced the rear shocks found the compression fitting on top of the rear strut was the problem soapy water found it Thanks for the help
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Old Jan 27, 2018 | 11:56 PM
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1999 s430 Mercedes benz
Airmatic

I am a proud owner of a 1999 s430 Mercedes benz. Recently I've changed the two rear struts with used ones but it didn't rise at all. Any help will be appreciated

Thanks in advance
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Old Jan 28, 2018 | 06:44 AM
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Originally Posted by Carlos Matthews
I am a proud owner of a 1999 s430 Mercedes benz. Recently I've changed the two rear struts with used ones but it didn't rise at all. Any help will be appreciated

Thanks in advance
you airmatic pump
in the front fender well isn't pumping
get a new pump and relay
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Old Jan 28, 2018 | 08:44 AM
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From: Ball Ground, GA (N of Atlanta)
2003 S500 2007 GL450
Carlos,

I would suggest that you try what is wrong first, as there are several possible causes for your problem. Some of these include:
Blown or faulty fuse.
Air leak in the system.
Worn compressor seal.
Fault in the Airmatic valve block.

The more you learn about the Airmatic System, the easier it is to fix. You might start here:
https://w220.ee/Airmatic
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Old Jan 28, 2018 | 01:21 PM
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1999 s430 Mercedes benz
I have changed the pump, valve block and two rear shocks.
The pump comes on once I start the car still nothing happens
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Old Feb 1, 2018 | 05:24 PM
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s430
The trick is to have it in all four struts, or the pump or something.
I just park up my s class, and 10 minutes later, it's stanced. Looks like one of those hondas that get stuck on speed humps
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