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Originally Posted by jayv  Can anyone CONFIRM Mercedes approval of Dexron III ATF's as a substitute for the oem power steering fluid? I just noticed the leak up at the reservoir and the closest MB dealer is 100 miles away. If I could get some compatible fluid locally and just put enough in to get me by until I can get the oem..... I need to use my 2001ML 320 in the meantime.
Also - I tightened the somewhat loose hose clamp where the return hose comes into the reservoir and cleaned up around the reservoir - maybe I can track the flow of the fluid if I get some more in the reservoir. I suspect it is the universal reservoir/o-ring problem. Does fluid return to the reservoir under much pressure? Thanks! |
You should be okay but I'd use a fluid with a little more consistency of the original, like Valvoline SynPower synthetic blend. As a matter of fact, I've been using the synthetic blend in both ML's and in the ML430 for over a year. It actually got rid of the constant groaning I had after my hose blew. It seems the air gets out a bit better in this brand.