I was driving highway speed for an hour and saw I was going to be late, so I bumped it up to 90 mph for a 1/2 hour.

After my meeting, I was getting back on the freeway and it was sluggish, and a lot of grey smoke was coming out.

I drove it for 90 minutes, it would barely go 80 mph, it usually zips right up to 100, no problem.

I took the air tube off the front of the turbo and got my finger in there. The blades spun freely, and I could not detect any wobble or axle play. There was a small puddle of oil in the turbo housing, in front of the blades.

It smokes the most when trying to accellerate. When backing off the throttle, the smoke stops.

This problem came on suddenly, there was no slow loss of power over time.

The car has 260,000 miles. The EGR has been blocked off with a copper sheet for a couple years.

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1st MBz: 1982 300SD
2nd MBz: 1987 300SDL
3rd MBz: 1995 S420
4th MBz: 1987 190DT
5th MBz: 1984 300SD w/1983 300DT engine
6th MBz: 1999 C230k I'm 3rd owner, got it w/57,235 miles.
and manages Mom's 2007 R320 CDI