There are 1 owner-reported body & structure complaints for the 2001 Mercury Mountaineerin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
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.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on May 4, 2026