I take PS high pressure lines to my local hydraulic shop. hose is 3.99 a foot and crimps are $10 each and fittings are about $20-35. pressure tested to 850 PSI.

but as Pawo said, I have yet to replace an MB hose

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RIP: 80 300SD
RIP: 79 450SEL
2002 E430 4matic (212,000km)
2002 ML500 'sport'

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