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Dumbing down the process
Quote:
Originally Posted by tangofox007
Catastrophic failure is hardly a meaningful measure of oil filtration effectiveness.
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Agreed. The dual-chamber filter system (in which some oil is continuously filtered and returned to the oil pan) is superior to a simple pressure-path-only filter. For diesels, it was thought that removing as much soot and other combustion products from the oil was important (and it is!). That's probably one reason why it's possible for these engines to last so long. It's also more expensive and probably why Mercedes chose to drop it in favor of the simpler system. Why give the customers prime rib if they're happy with hamburger?
Jeremy
__________________
"Buster" in the '95
Our all-Diesel family
1996 E300D (W210) . .338,000 miles Wife's car
2005 E320 CDI . . 113,000 miles My car
Santa Rosa population 176,762 (2022)
Total. . . . . . . . . . . . 627,762
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970
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