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The "new" 722.9-style fluid is recommmended for the 722.6 trans. You use the SDS (Star Diagnostic System) to read the fluid temp directly, and set the level once the 80C mark is met. It's not too tricky, but works best with two people. However, I just pay to have it done...
Most good indie MB shops have the SDS (otherwise dealers will hose you for the labour) and I don't bother doing the trans fluid change myself as the 722.6 is pretty picky about the fluid level. The hour's labour my mechanic charged me was more than worth having it done right. Also, with the SDS hooked up, you can read the trans adaptation values and see what's going on inside the trans with regards to shifting.
There are many DIY'ers that have done this job without problems, but I have seen quite a few trash their tranny. At $2500, the 722.6 is too expensive for me to take a chance on.
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11-10-2006, 05:08 PM
Hybrid Mode
