That is a very robust tranny, not usually any trouble with it. It was designed to hold up to the 6.3L M100 engine, so you shouldn't worry too much about abusing it.

Synthetic tranny fluid should extend the life.

Peter

__________________
1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!