Juan,

Yes, the car got the upgraded valve seals before I bought it. Before the head corroded through the engine used NO oil. It did not go down noticeably on the dipstick in 3,300 miles, the oil change interval.

Good luck,

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Larry Bible
'01 C Class, Six Speed
'84 Euro 240D, manual, 533K miles
'88 300E 5 Speed
'81 300D Daughter's Car
Over 800,000 miles in
Mercedes automobiles