Lance,
this is a common problem on the 60x series motors (if used on rough roads or bad motor mounts).
Phil and Rusty do not carry the lines, you have to order them from MB-USA (approx $45 per line, I kid you not).
However, the lines are basically a bubble flared line , I am fabricating a set for my wifes 190D (same basic setup, one less cyl) and should have them done tonight.
I can bend and flare a set for you tomorrow (parts cost ought to be approx $20 for a set of 6)

I'll update this message tomorrow

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1982 300SD (214 k, excellent shape) kidmobile running mostly biodiesel, gets 31 mpg hwy with 2.82 rear from a euro 500SEL



1976 115 body 240D 4-speed (traded for Jeep parts) - Engine lives on in my CJ7