Dextron II was replaced by III. There are 12 "approved" ATFs, 3 of the most common are Quaker State, Pennzoil, Castrol. If want the whole list you can contact MB and they will send you a copy of the "Approved Service Products List". This booklet won't necessarily list your exact model but it list the approved fluids for MB cars.

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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