I've known a number of MBs to be cured of excess oil consumption by
allowing the oil level to drop part way to the lower mark rather than
keeping the level at the full mark.
I suspect there is some "thrashing" of oil by some engines at the top
mark on the dipstick, and the oil is then either foamed or blasted to
mist by the crank and hence out the crankcase breather and into the
intake, or the excessive velocity of oil thrown up onto the cylinder
walls overwhelms the oil control rings and it gets into the cylinders
that way.
When the lever drops a bit, the oil gets thrown around less and
doesn't get where it shouldn't.
I never fill mine till they get to the lower mark, and don't add more
than a quart unless I'm taking off on a long highway trip in the
summer, where I need the maximum oil cooling capacity.
Of course, on the old 72 220D it didn't matter (no long highway
trips!) because it used about 4 quarts of oil to a tank of fuel....
Peter
On Jan 15, 2009, at 8:09 PM, OK Don wrote:
A friend has a 560SEL that does the same thing. He decided to live
with it that way.
On Thu, Jan 15, 2009 at 4:42 PM, Redghost <redgh...@comcast.net>
wrote:
All I know is that when I add oil to Gump for a change, I go to
the top.
Drive her around and it drops to the bottom. Check and check and
never
goes below. Add a bit just in case it was all sucked into the
filter, still
goes to the bottom and stays there.
clay
--
OK Don
W124 Diesels
Ubuntu 8.10
KD5NRO
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