I had the same kind of leak. I took the piece of line after I cut it to a hydraulic shop and for under $10 they sold me a 10,000psi compression splice that fit perfectly. I was sure to re-line the clamps so that I end up with 9 or 10 splices.

-Tad

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1995 G320
2003 C230 Kompressor Coupe
2005 ML500
2007 ML350