There are 1 owner-reported fuel system complaints for the 2005 Mercury Mountaineerin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
LEAKING EVAPORATIVE EMISSION FUEL TUBE, THAT RUNS ACROSS THE TOP OF THE GAS TANK, VEHICLE COULD HAVE CAUGHT FIRE. *TR
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 Apr 26, 2026