the FAQ makes an interesting read i thought...
Mercedes-Benz 722.6 Transmission FAQ - Benzworld.org - Mercedes-Benz Discussion Forum
esp the following
and a link to pentosinQuote:
What Should I Do If My Transmission Has problem?
1) Do not panic but do pray that your transmission does not have major mechanical problems.
http://www.pentosin.net/f_transmissionfluid.asp

