The reason I ask this is because I have always believed that checking the oil when it was cold would give a more accurate reading. However, the owner's manual tells you to check it when it's at operating temp. I would think waiting until first thing in the morning would definetly give all the oil a chance to make it's way down to the oil pan. Is there that big of a difference in the oil level when it gets hot. I know that it thins out, but does it make a noticeable difference on the dipstick?

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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