S55 AMG 2003 ABC light briefly comes on on lift out
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Junior Member
Joined: Jan 2015
Posts: 42
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Merc S55 AMG Kompressor 2003 & S320 1999
S55 AMG 2003 ABC light briefly comes on on lift out
Hi all
I am since July 2014 the owner of a Mercedes S55 AMG Kompressor and Living in South Africa. The car has been given a clean bill of health through a scan by Merc (no issues with valves etc) but the ABC light comes on very briefly (you got to watch for it to actually see it but the hear the warning sound) on rare occasions then the suspension (One of them) lift out when "Flying" over a hump in the road at speed. is this normal?
I am since July 2014 the owner of a Mercedes S55 AMG Kompressor and Living in South Africa. The car has been given a clean bill of health through a scan by Merc (no issues with valves etc) but the ABC light comes on very briefly (you got to watch for it to actually see it but the hear the warning sound) on rare occasions then the suspension (One of them) lift out when "Flying" over a hump in the road at speed. is this normal?
Super Member
Joined: Aug 2007
Posts: 649
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From: Las Vegas
3-pointed star
Your pulsation dampeners are bad, I had this same issue a few weeks ago.
http://www.benzworld.org/forums/atta...ion-damper.jpg
http://www.benzworld.org/forums/atta...ion-damper.jpg
Thread Starter
Junior Member
Joined: Jan 2015
Posts: 42
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Merc S55 AMG Kompressor 2003 & S320 1999
Hi Guys, thanks for the response. When I go through my workshop manual I note they distingues between the pulsation dampener.at the valve system and the rear and front suspension pressure reservoirs. There is only 1 pulsation dampener which sit on my european car at the right front fender on the door side behind the plastic wheel inserts. There is one "Front Axle Pressure Reservoir" in the front and one "Rear Axle Pressure Reservoir" and one Return Pressure Reservoir". Any clues from you guys on the difference and which one is causing that alarm.
Super Member
Joined: Mar 2010
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From: London UK
2013 W204 C63 AMG, 2008 W221 S65 AMG
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Senior Member
Joined: Jun 2005
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From: Houston, TX
2017 S63
there's no 5th one. There are 4. 2 large and 2 small. The ones that fail the most are the large ones. I would change out both. ABC fluid doesn't like Nitrogen so do a complete ABC fluid flush after you have fixed it.
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Thread Starter
Junior Member
Joined: Jan 2015
Posts: 42
Likes: 2
Merc S55 AMG Kompressor 2003 & S320 1999
Thanks for the reply jnash. Got one of the "nitrogen *****" which fits for the rear and front axel valve blocks. Gambled to change front first and hit the jackpot. Membrane shot and full of fluid. Replaced and solves is the audible alarm and the light. Fluid is on its way to do the flush as the fluid I got out was rather black. Cannot understand why Merc says it is "for life". Talking about "For Life". I also replaced the Supercharger oil this weekend following a great video on Youtube. However, we in South Africa (RSA) struggle to get Mobile jet oil II as recommended by most in the US. Mercedes is as usual very illusive about giving you specs but saying get Mercedes oil and when you order they do not have stock for weeks. I however got Earoshell turbine 560 HTC which is according to the Boeing guys compatible with Mobil jet oil II.(They use both on their jet engines) The colour is the same (Orange/Pink) It looks the same the viscosity is the same the temp ratings are the same. What is your comment on using this Earoshell turbinr 560.
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Joined: Nov 2014
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S 55 AMG
Hello everyone im Duff I have a 2001 S55 AMG ive done a lot of work to the car I have a brand new ABC Pump O ring unit and a Few Lines on the ABC System now my ABC light came on and its a fault code the Valve Block can anyone tell me if it can be rebuilt or remanufactured cheaper then the OEM $1800 Mercedes Part ?
