in and OE out of the chrysler tq.,you are mixing OE mb fluid with atf4,who really knows the difference?I don't

However I and others have seen so many members that changed to non spec fluid and had problems and peeps with good transmissions use the real stuff and have good results.Like motor oil I will ere on the OE spec fluids.You is up to You

ohlord
fastlane thru mercedesshop.com also carries spec fluid.