One problem related to frame rust has been reported for the 2001 Mercury Mountaineer. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 Mercury Mountaineer based on all problems reported for the 2001 Mountaineer.
The frame in back is rusting through. The back cross member at the rear bumper is rusted bad. It rattles all the time. Back sway bars are rusted bad.
| Structure problems | |
| Frame Rust problems |