I just picked up for my wife a 2003 E320 with 52,000 miles and in perfect shape. Serviced by the dealer since new and just took it in on a trade.
I talked to the previous owner and she verfied everything since her husband died.
Ive have had a S300 and 420sel and but this is the first car that does not hav a dipstick to check the oil. The car checks the oil for you.

I just picked up two 5qts MobilOne oil and a filter. the book says 8.5 quarts.

It just seems strange not having a dipstick.

Anyone else feel the same way?

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1998 Land Rover Range Rover 66K Miles
1988 300SE Totaled in 1998, hit by drunk driver, but we walked away OK
1989 420SEL 140,000, just warming up. Total by 18 wheel gas truck rear ended, but refused to lose another MB. Had it repaired cost $10,000+ Great Car again SOLD it for a 2003 C320 to save on gas
1991 2500 Suburban 454, 130,000, Best truck in the world. SOLD it out right.
1952 8N Tractor 1,000,000-/+