Ok guy's, I did a seaech and really did not find what I wanted. I plan to service the trans on the 96 E300D next week and I would like some opinions on MB factory ATF verses a quality synthetic ATF. The reason I bring up synthetic is that we use it in the tranny's on our Ford F550's with the 7.3 power stroke at work. We have documentation that it lowers the temp trans significantly and if you have ever fooled with one of these with any kind of load they will fry a trans in a heart beat (just get stuck once). I have no reason the believe the trans on the MB is running hot but with it pushing 285K on the odometer I want to make sure it last as long as the engine with out an overhaul.

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Keith Schuster
2006 E350 98K miles
2013 Ford Explorer 15K miles