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

2012 S550 4matic front air suspension PLEASE HELP!!!

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Old 07-16-2020, 06:47 PM
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2012 S550 4matic
2012 S550 4matic front air suspension PLEASE HELP!!!

I hit a pothole and my right front air suspension would raise and keep lowering this wentvin for about 3 weeks. One morning I came out side and the front end was low on both sides. I just replace the right air suspension, air suspension compressor and compressor relay. The car still won't raise. I I checked lines. They seem to be good. I'm at a loss.
Old 07-16-2020, 07:38 PM
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2007 SL550 & 2012 S550 4matic
You need MB star DAS XENTRY to tell you the root cause of this failure. Several parts could have been damaged in the pot hole incident. Have you tried a soap water solution on air connection spots? Try some on the top of strut and then use switches in console to raise the car. It might be a simple leak or new struts or something in between.
Old 07-19-2020, 05:08 PM
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2010 E550, 273 Engine: 2012 S550, 278 Engine
Originally Posted by Shaiton McCrary
I hit a pothole and my right front air suspension would raise and keep lowering this wentvin for about 3 weeks. One morning I came out side and the front end was low on both sides. I just replace the right air suspension, air suspension compressor and compressor relay. The car still won't raise. I I checked lines. They seem to be good. I'm at a loss.
Check the level sensors. You may have broken one when you hit the pot hole. If one side air spring does not inflate it is likely the whole front stays down as one sprig may not be able to push car up alone.
Old 07-20-2020, 08:34 AM
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