Hey out there from Nashville, my 1999 ML430, have it one year, 140k, nice shape. This happened 4 times in the past 10 months. 3 in TN on same road. 1 in WashDC.

Cruizing 60 to 80 mph, hit a very rough stretch of interstate, of course ML starts rumbling etc. It starts to rumble more, first time I was sure it was a flat tire (I am 70 years young, grew up in my Dad's gas station, still do my own work). Pulled over, no tire problem. Drove on without the problem.

So the next three times I put up with it but two of the times I had to stop for a while and then continue. Yesterday I checked all 4 wheels, they were all warm/hot but seemed about right.

Any suggestions other than avoid construction zones and bad highways?

Note in between these occurances I have replaced the front calipers and discs (just time for it) and put new Michelines on (great improvement, rides like a Rolls now), old tires were cracking.