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W220 Airmatic Problem, Car too high!

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Old 08-25-2010, 01:16 AM   #1
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W220 Airmatic Problem, Car too high!

I have a 2000 S430 and I noticed the front end of the car was really low a week ago. The sign came on in the front saying "Stop, car too low". I rushed and took it to a local mechanic and he looked at it and said he thinks its the Airmatic compressor pump leaking and he changed it for $600.00 including labor and tax. But the problem is now the front part of the car is fine but the back part of the car is raised up a good 6 inches from the wheel. The mechanic doesn't know what it could be. He said it might be the Airmatic Computer Unit but he's not sure. The struts are pretty new and were replaced by the previous owner, so it cant be the struts. Can you guys please help?
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Old 08-25-2010, 10:52 PM   #2
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Have him check the ride height sensors and also the valve block. Better yet, since he has no clue, take it to a dealer ior to a certified MB independent with experience in Airmatic systems.
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Old 08-26-2010, 07:54 AM   #3
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was it fine after he changed the compressor, and then the problem in the rear developed shortly after?

or was it never right from the moment he changed the compressor?

Could be something as simple as disconnecting the battery to reset the system./
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Old 08-27-2010, 03:07 PM   #4
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He checked the height sensors and the valve block and did not see a problem in them, I'm most likely going to take it to a dealer.....just not to excited about the huge bill they might slap me with. As for the height increase, it was never right from when he changed the compressor. I will disconnect the battery and get back to you guys ASAP.
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Old 08-28-2010, 02:47 PM   #5
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I took the battery out for a day and kept it off overnight, I just plugged it back in and no change. I am noticing the car is getting a little (2 inches) lower from both the front and the back. I think the car is going to be lowered again from the front in a week or so like it was before i took it to the mechanic. GREAT!
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Old 08-29-2010, 05:13 AM   #6
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Quote:
Originally Posted by desiguyinnc View Post
I took the battery out for a day and kept it off overnight, I just plugged it back in and no change. I am noticing the car is getting a little (2 inches) lower from both the front and the back. I think the car is going to be lowered again from the front in a week or so like it was before i took it to the mechanic. GREAT!
Have you driven the car any distance?

Perhaps it needs to be driven (at varying speeds, including freeway) for the system to settle in? I know my car lowers itself at freeway speeds, and comes back up a bit upon exiting at the first stop sign.
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Old 09-21-2010, 07:42 PM   #7
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I have a S280 W220 year 2000, everything is fine on the Airmatic,
But when I park it, it goes fully high and normal when we start it...
Any ideas? Thanks.
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Old 09-28-2010, 03:02 AM   #8
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damn i wish i can help.. but i didnt even know w220 can go that high !!
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Old 10-15-2010, 09:42 PM   #9
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I have noticed that the Airmatic takes the car higher when parked up IF I lock the car... then if I unlock the car from the house, it re-locks and the height goes to normal.. Any ideas? Thanks
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Old 04-18-2011, 12:42 PM   #10
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Hello im having the same problem with my S430...when I turn my car and wait for 10 to 15 minutes the car rises extremly high and when I turn the car back on it levels off....Did you ever find out the problem or can you help?
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Old 04-18-2011, 03:06 PM   #11
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kenneth, I ended up taking it to a dealer and asked them to diagnose the problem. I thought I was going to end up spending thousands to fix this nightmare but it turned out there was a wire in the system half fried so they just replaced the wire. They charged me 2 hours of labor for it which was like 200 bucks. I recommended going to the dealer for a diagnoses rather than a private mechanic because they have more insight with this whole airmatic contraption.
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Old 04-24-2011, 11:27 AM   #12
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Lightbulb

My 2005 s500 too low in front won't rise up I can here the compressor working
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Old 08-15-2013, 05:52 PM   #13
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Quote:
Originally Posted by desiguyinnc View Post
kenneth, I ended up taking it to a dealer and asked them to diagnose the problem. I thought I was going to end up spending thousands to fix this nightmare but it turned out there was a wire in the system half fried so they just replaced the wire. They charged me 2 hours of labor for it which was like 200 bucks. I recommended going to the dealer for a diagnoses rather than a private mechanic because they have more insight with this whole airmatic contraption.
Hi did you know which wire was it and where it is located? My car does the same and they want me to replace the valve block which is around $1000!
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Old 08-15-2013, 08:38 PM   #14
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Last edited by mb techman; 09-23-2014 at 07:30 PM.
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4matic, adjust, airmatic, benz, car, compressor, height, leaking, low, mercedes, merceds, problem, ride, s320, s430, sensor, w220


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