Here are the pump rebuild instructions:
DIY: ABC pump rebuild (Pictures + steps) - MBWorld.org Forums
DIY: ABC pump rebuild (Pictures + steps) - MBWorld.org Forums
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I think they are pretty similar cost wise but ABC is harder to work with.
I would say ABC is much more expensive, the struts etc are £1230 from Mercedes, valve bodies more expensive, fluid more expensive. There are more parts to the ABC system too.
I suppose it depends what fails in the end.
Accumulators, many more hoses and the ABC pump itself. In terms of running costs its higher as the fluid needs to be changed out every 3 years or so at 150+ (just in fluid).
ABC struts are indeed available reman/exchange from MB but at £938 + VAT, compared to the £1371 + VAT.
An update for anyone following:
Garage have identified a leak in one of the system lines. Strut and pump appear to be OK for now, but they say they won't know for certain until the leak has been fixed. Does that sound about right? They certainly seem to know their way around the ABC system.
Is ABC a more expensive fix than Airmatic?
ABC is in another league to Airmatic.
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