S55 AMG, S65 AMG , S63 AMG (W220, W221) 2001 - 2013 (Two Generations)

Need Help! S55 Problems... *sigh*

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Old Feb 27, 2014 | 05:30 PM
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From: Portsmouth, NH
C63, S55, 190E 16V, S600 Maybach, S550, GL550
Need Help! S55 Problems... *sigh*

Sooo I'll try to keep this as short as possible with giving you guys enough info to help diagnose the problem.

Whenever I park my car, on any suspension setting (low, med, high), it will very slowly creep up in height. So say I have it set at the lowest setting, and park for 5 minutes with car on.. It will be raised up very high, like I put it on the highest setting, or even higher than that. It will go back down if I press the height adjustment button to the level I want it at again, or will slowly go back as I drive. This just seems weird to me though and I want to get it figured out before something bad happens. Or maybe its normal and I'm just noticing it now? I dont know, but it seems like a problem to me. The car will not keep going up or adjust any height when the car is off obviously.

Whether these are related to the issue or not I have no idea, but..

- There is a hissing noise from the engine bay area, like the sound of air either escaping or being taken in..

- My adjustable links seem to be a little uneven (right rear is a little lower than left rear)

Does anyone know whats going on, or have any info they can share with me about it?

Thanks
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Old Feb 27, 2014 | 05:34 PM
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From: Portsmouth, NH
C63, S55, 190E 16V, S600 Maybach, S550, GL550
model is a 2002 by the way if that matters
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Old Feb 27, 2014 | 10:42 PM
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find the leak and fix it
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Old Feb 28, 2014 | 01:23 PM
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From: Kingsville Ontario (South of Detroit)
2003 S500 4Matic (SOLD) + 2004 S55 (SOLD) 2005 CLK 500 Cabriolet 2008 S 450
Assuming you have the ABC system I would suggest you look at the valving blocks for dis-assembly and resealing.
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Old Feb 28, 2014 | 01:47 PM
  #5  
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From: Portsmouth, NH
C63, S55, 190E 16V, S600 Maybach, S550, GL550
Originally Posted by mrbobby
Assuming you have the ABC system I would suggest you look at the valving blocks for dis-assembly and resealing.
is there a better replacement for the valve block if I'm going to take it out?
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Old Feb 28, 2014 | 02:30 PM
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Does this system incorporate a high pressure reservoir? If not, the pump must be coming on then, right?
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Old Feb 28, 2014 | 05:43 PM
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http://en.wikipedia.org/wiki/Active_Body_Control
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Old Feb 28, 2014 | 09:08 PM
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Originally Posted by june82000
Does this system incorporate a high pressure reservoir? If not, the pump must be coming on then, right?
NO, its a none pressured reservoir with a low pressure drip return line.
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Old Feb 28, 2014 | 09:12 PM
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Originally Posted by Durban
is there a better replacement for the valve block if I'm going to take it out?
no, but they are easy to recondition. It requires new o-rings and a complete chemical clean of the solenoids/valves. There is a full write-up and a YouTube video on how to if you look around.
https://mbworld.org/forums/s55-amg-s...e-o-rings.html

http://www.benzworld.org/forums/w220...ml#post4046008

Last edited by jnash; Feb 28, 2014 at 09:17 PM.
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Old Mar 3, 2014 | 07:48 AM
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From: Portsmouth, NH
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Originally Posted by jnash
no, but they are easy to recondition. It requires new o-rings and a complete chemical clean of the solenoids/valves. There is a full write-up and a YouTube video on how to if you look around.
https://mbworld.org/forums/s55-amg-s...e-o-rings.html

http://www.benzworld.org/forums/w220...ml#post4046008
alright thanks, I'll look into the problem and see what needs to be done. Hopefully its just a line that needs replacing. Been driving it for a few days and it still creeps up when its parked but other than that and the small hissing everything is normal
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Old Mar 5, 2014 | 11:25 AM
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Originally Posted by Durban
alright thanks, I'll look into the problem and see what needs to be done. Hopefully its just a line that needs replacing. Been driving it for a few days and it still creeps up when its parked but other than that and the small hissing everything is normal
So is your fluid level holding steady or low?
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Old Mar 6, 2014 | 08:55 AM
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Originally Posted by Exotic-metal55
So is your fluid level holding steady or low?
I believe all of my fluids are ok. Ive been driving it with the problem I described for however many days its been, probably something like 200 miles. Really didnt seem like a big problem at all, just like a blown line or something. But I was driving today and around 45-50 MPH I got a "ABC - Visit Workshop" message.. another 5 minutes and the red "ABC - Drive Carefully". It didnt seem like a violent fail though like ive read some people describe, with fluids spraying everywhere, in fact I couldn't really tell the difference even though I only drove it for a about 3 more minutes before I got to where I was going. I got out and the car looked lower but nothing crazy.. I know its hard to know what the problem is without seeing it but any ideas on this one? Got to get it to the shop obviously...

Still need to drive it 15 miles home later today, on wheels that already rub with suspension working properly... Should be really fun. **** abc

Last edited by Durban; Mar 6, 2014 at 08:57 AM.
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Old Mar 6, 2014 | 10:21 AM
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If your fluid level is good, then you do not have a leak. I had simulair symptoms , when my front right strut went out. You need to hook up STAR and find out what all the errors show.
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