Have you had any body work done in the tailgate? I fixed a ml recently that had the antenna amplifier wire was plugged into the wrong wire so the antenna amp wosent working and this kept the am from operating. I would reccomend that you check the wiring in the tailgate behind the trim panel. The 1st thing to do is pull the radio and unplug the antenna and to test the radio just plug in a wire in the center hole that is about 3 feet long and this wil simulate an antenna. If the am is decent and the seek stops on am stations then the problem has to be the antenna (it is in the glass in the hatch). Good luck!<br> <br> Scott
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