Thanks Mark,
If it runs $250 or so to bore the old one out and sleeve it, it's not that much more for a Mercedes Original replacement.
I still haven't pulled it to inspect the condition of the current one. But, I don't think anyone will sell me a rebuild kit. Liabilities?
I think that next paycheck will go into that master cyl.
I'll let you know how the old one looks.
Have a great day.
Josh

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63 220S W111
76 300D W115
2013 VW JSW TDI M6

previously-
73 280 SEL 4.5
86 300E 5 speed
2010 VW Jetta TDI M6