no you don't all that can be done through the front after you remove the front pump,but if you have gray fluid it sounds as though aluminum metal parts have been grinding up into powder.there may be more here than the reverse clutches.

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David S Poole
European Performance
Dallas, TX
4696880422

"Fortune favors the prepared mind"
1987 Mercedes Benz 420SEL
1988 Mercedes Benz 300TE (With new evaporator)
2000 Mercedes Benz C280
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