One problem related to automatic transmission floor shift has been reported for the 2003 Mercury Mountaineer. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Mercury Mountaineer based on all problems reported for the 2003 Mountaineer.
I attempted to put my vehicle in reverse so I could pull out of a parking space. When I did this, the transmission level broke right off. The vehicle, since it is full-time awd, cannot be moved or towed since all the wheels are engaged in park. The metal holding the transmission lever to the steering column sheared off which I can only consider to be a grave safety risk if the vehicle was in motion and this happened.