What does 7 liters equal in quarts? For the last 40 thousand miles worth of oil changes, I have been dumping in 8 quarts. Technically it's supposed to be 7.9, so I have been adding an extra 1/10th of a quart. What's that, 3 extra ounces.

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1999 MB SL500 (110,000 mi)
2004 Volvo V70 2.5T (220,000 mi)
2014 Tesla Model S 85 (136,000 mi)
MBCA member