BenzWorld Junior Member
Date registered: Mar 2010
Vehicle: '73 280 SE 4.5
Location: Fort Worth, Texas
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You know this sounds crazy, but I put castrol 10-30 GTX in mine and it started smoking.
A local MB mechanic told me to drain it and put in the cheapest oil you could fine, he recommended Oreillys Brand 15-40 with soot control and it stopped. Just thought I would tell you because whenever I have obtained a new car I always want to put fresh oil in it.
Don't ask me why I picked castrol GTX, never again. Good luck.