Two problems related to transmission failure have been reported for the 2000 Mercury Mountaineer. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2000 Mercury Mountaineer based on all problems reported for the 2000 Mountaineer.
Transmission failure at 42,000 miles w/o warning while driving at highway speeds!.
2000 Mercury Mountaineer diagnosed with transmission failure - slipping between 2nd & 3rd gears. Vehicle only has 50000 miles.