Kamil,

You most likely have only intermittent fuel getting to the injectors. Whenever fuel can come out of a place where it is not supposed to come out, remember that air can get in. Air is compressible and wreaks havoc with the injection system as it is designed to have no air in the high pressure side of the system. Put the lines back on, run it to purge the air out (I do not think your model has a hand pump) with the starter until it fires, and it should smooth out fine. Jim

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Own:
1986 Euro 190E 2.3-16 (291,000 miles),
1998 E300D TurboDiesel, 231,000 miles -purchased with 45,000,
1988 300E 5-speed 252,000 miles,
1983 240D 4-speed, purchased w/136,000, now with 222,000 miles.
2009 ML320CDI Bluetec, 89,000 miles

Owned:
1971 220D (250,000 miles plus, sold to father-in-law),
1975 240D (245,000 miles - died of body rot),
1991 350SD (176,560 miles, weakest Benz I have owned),
1999 C230 Sport (45,400 miles),
1982 240D (321,000 miles, put to sleep)