The Mercury Mountaineer is a mid-size sport-utility vehicle, sold new from the 1997 through 2010 model years. It competed with mainstream SUVs like the Nissan Pathfinder, Toyota 4Runner, Jeep Grand Cherokee, and Honda Pilot, as well as the Acura MDX and Lexus RX and GX. During most of its 14-year run, the Mountaineer was essentially a Ford...