Quote:
Originally Posted by Will_w202
I firmly believe if it is speed-dependent, not RPM-dependent or not happening the whole time the motor is running, it's not the mounts. If it is while in gear, at speed, it is very likely the flex discs.
Ya know, Blackmercedes, what o you think about the tensioner spring ( ithink)? There is a piece that goes with the tensioner and I can;t recall exactly what it is. I've heard these cause shuddering. Minewas replaced under warranty, when I complained about engine rougness, but I don't personally remember it being that bad, but my seat of the pants is different than others
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UPDATE UPDATE UPDATE Car went back to the local Mercedes dealer this morning. Checked driveshaft flex joints, tranny mounts, and engine mounts-no problems found. They suspect the Continentals may be out of round or have a small ply separation. They're swapping out the wheels with another car on the lot. If this is it, I'll be getting a new set of tires out of the deal. (bumper-to-bumper warranty, right?) Should have an answer tomorow. Will advise -Mike