I have not change a MB transmission, but have change plenty of Fords and Chevy's, but you need a transmission jack or you will be under there all day getting it aligned..rent one..

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2000 Ford 7.3 Powerstroke 4x4
2006 Mazda Tribute
1983 Black 300 D (donated to charity)
1993 Teal 300 D (160K) Sold
"I love the smell of burnt diesel fuel in the morning, it smells like ....VICTORY"

Semper Fidelis
USMC 1973-1976