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Old 10-23-2002, 05:07 PM
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1973 450 SEL Clean Motor Oil Question


I just changed my motor oil about a week ago. I put in the correct filter and so on. This may sound strange but is the oil supposed to be "dunkel blonde" even after 400 miles? It seems like every other make I've had the oil turns into the black oil off of the x-files in 100 miles.

I am worried if I have poor circulation. My oil pressure is okay and the oil pan has no severe dents. The oil filter was installed correctly too. Am I being over cautious?

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Old 10-23-2002, 07:53 PM
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Join Date: Aug 2001
Location: Evansville, Indiana
Posts: 8,150
A good tight engine running properly won't carbon up the oil in a hurry. I've seen cars with several thousand miles on them with only slightly dark oil. It only means the oil is holding up nicely and not collecting carbon, so the engine is running properly.

The oil I drained out of the 280 SE (years old!) was only dark, not black.

1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!
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