There is a problem with plastic oil tubes cracking or falling off on M119 engines, but you usually got a loud ticking noise if one of the tubes has come off.

Do a search on oil tubes, and there is tons of info in the archives.

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Paul S.

2001 E430, Bourdeaux Red, Oyster interior.
79,200 miles.

1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".