E-Class (W212) 2010 - 2016: E 350, E 550

Jacked car up to swap wheels, now front suspension won't deflate. Help!

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Old 05-22-2020, 11:20 PM
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12 CLS 550
Jacked car up to swap wheels, now front suspension won't deflate. Help!

I posted this on the CLS550 forum but I know this forum is more active. As the title stated, I lifted the car on jacks to swap out my wheels, now my front end is fully erected (lifted up) and won't deflate. I've tried starting it and letting it run but all I hear is the compressor running inflating the suspension, I'm worried that it'll blow my front strut as another member has had this happen to him. Any way to get the system to drop or self level?
Old 05-23-2020, 12:03 PM
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12 CLS 550
Anyone? Is there a way to reset the airmatic system?
Old 05-23-2020, 01:15 PM
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2012 E550 sedan 2019 E63 Wagon
Make sure the new wheels did not hit the height sensors. It may broken a sensor arm.

Last edited by S. Madman; 05-23-2020 at 01:18 PM.
Old 05-23-2020, 02:36 PM
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Sensor arms are intact with no appearant issues.
Old 05-23-2020, 04:53 PM
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1922 Ford Model T / no OBD
Do you have a scanner who can read and adjust the suspension?
Other than that, the mechanical lowering will involve some time.
Old 05-23-2020, 04:58 PM
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I don't know anyone with a scanner, last resort is dealership on Tuesday. How do you do mechanical lowering?
Old 05-23-2020, 05:03 PM
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1922 Ford Model T / no OBD
The bags have Shrader-type valve on the top.
So when you remove the tubing and insert a pin in the hole, you will release the air.
Not easy job with bag on the car and you need to be careful
There is also electrical possibility by jumping 2 wires, but that would take some homework to figure.
Old 05-25-2020, 12:33 AM
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With the vehicle and sitting on the ground, have you tried turning the nut that seals the line going to the strut??? you might be able to release the air that way.

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