Just a little FYI, the accumulators are the "cheapest" part of this system. At least on my W123 TD. For my car they about $75 a piece. Get under the car and see if the shock is leaking at all.
1994 MB E320 Coupe (199,500 mi)
1992 MB 190E 2.6 (173,000 mi)
1983 Porsche 911SC (148,000 mi)
2004 Volvo V70 2.5T (198,000 mi)
President of CT/Westchester Section