There are 1 owner-reported speed control & cruise complaints for the 2010 Mercury Mountaineerin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2010 MERCURY MOUNTAINEER. THE CONTACT STATED THAT WHILE BRAKING TO A STOP, THE VEHICLE WOULD LUNGE FORWARD. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THEY ADVISED HIM THAT THEY WERE UNABLE TO DIAGNOSE THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS CONTACTED AND THEY OFFERED NO ASSISTANCE. THE FAILURE MILEAGE WAS APPROXIMATELY 1,000. THE CURRENT MILEAGE WAS APPROXIMATELY 30,000.
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 25, 2026