One problem related to tank assembly has been reported for the 2005 Mercury Mountaineer. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 Mercury Mountaineer based on all problems reported for the 2005 Mountaineer.
Leaking evaporative emission fuel tube, that runs across the top of the gas tank, vehicle could have caught fire.
| Gasoline Fuel System problems | |
| Tank Assembly problems |