My wife's 2002 ML-320 (delivered April 02 and now with 20,000 miles) continues to have two problems that will not go away and in-spite of multi week long stays in the MB shop cannot be fixed.

The first is an intermittent accelerator hesitation problem...from a standing stop you will step on the gas on nothing happens. No revs, no movement of the vehicle...nothing. Then after two-three seconds off it goes like nothing was wrong. It has happened when the vehicle is hot or cold, and there does seem to be a common weather factor...it seems to always happen when it is 80 degrees or above. We do live in an area that is also very humid most of the time (South Texas). How often does it happen? One or twice per week...sometimes four of five times per day.

Next is a transmission problem...once again intermittent. The transmission will not up shift or it will downshift at will. Happens once or twice per month maybe. First go around the dealer replaced the control module but it still happens.

We are wits end...not only are these two problems a reoccurring pain but that are both a real safety issue.

I have read of others with the hesitation problem...how about the transmission problem?

Thanks!

Jeff

McAllen, Texas

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Jeff