NHTSA Owner Complaint Log
This page lists owner-reported complaints filed with NHTSA for the 2003 Mercury Mountaineer. Complaints are unverified consumer reports submitted to NHTSA and do not by themselves prove a defect or defect rate.
Data synced from NHTSA on May 4, 2026
WHEN APPLYING THE BRAKES, SOMETIME THE DRIVERS FOOT HIT THE GAS PEDAL, AND CAUSED A LONGER STOPPING DISTANCE. THE PEDALS WERE TOO CLOSE AND ON THE SAME HORIZONTAL PLAIN WHEN THE BRAKES WERE DEPRESSED. *AK *SCC *JB
VEHICLE STALLS WHEN COMING TO A COMPLETE STOP. DEALERSHIP CANNOT DUPLICATE THE PROBLEM, AND ARE UNABLE TO FIX IT.*AK