The owner's manual for my '80 SD says to use ATF. Of course things change. I would use what is recommended in the manual. Though sometimes I wonder if manufactures recommendations to use their brand fluids, is just them repackaging off the shelf products but at a premium.

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