One problem related to transmission stuck in gear 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.
The gear shift gets stuck in park and I have to pull down on it really hard to get it in drive or reverse I'm afraid that its going to break one day.