This may be what you're looking for. Dennis rebuilt mine and many others around the world. Great work, better than new, 3yr warranty, fast turnaround and R&I assistance. Check with him for latest prices, but should be around $50@ +/- and a one time shipping charge.
Mercedes Hydraulic Cylinder Rebuilder
Dennis Ficken
16285 S. Chester
Olathe, Ks 66062
(913) 544-4521
mercedescylinders@sbcglobal.net