1959 220S cabriolet, 1983 240D original owner, 1999 E300 turbo diesel, 1988 560SL, 2003 SLK320
This weekend I acquired some ATF from a friend. The fluid is ATF134, A001 989 68 03 13. It is the correct ATF listed for my 2003 SLK on aftermarket parts websites. The ATF I already had on hand is A001 989 21 03 10 and is the correct fluid for my '99 E300D. It also appears that the 2004 Approved Mercedes Fluids list shows the 03 10 ATF as the correct fluid for both of my cars. Both cars have the same transmission AFAIK. The SLK is a 722.618 and the E300 is a 722.608. They both use the same filter and gasket. Is the 03 13 ATF just the newer version that is backwards compatible with the 03 10 ATF? Can I use either fluid in either car or must the '03 get only the 03 13?