One problem related to automatic transmission control module has been reported for the 2006 Mercury Mountaineer. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2006 Mercury Mountaineer based on all problems reported for the 2006 Mountaineer.
Transmission problems that resulted after recalibration in response to recal notice. Vehicle now lurches forward by itself when stopped at a traffic light. One needs to stand on the brakes to prevent vehicle from striking other vehicles.