There are 2 owner-reported steering complaints for the 2009 Mercury Mountaineerin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owns a 2009 Mercury Mountaineer. The contact stated while making a left or right turn, she heard an abnormal noise, and the steering wheel became difficult to turn. The contact stated that the Roll Stability Control (RSC) warning light was illuminated. The contact took the vehicle to the local dealer, where it was diagnosed with needing the Roll Stability Control (RSC) to be replaced. The vehicle was repaired but continued to experience the failure. The manufacturer had not been informed of the failure. The failure mileage was approximately 118,000.
TL*THE CONTACT OWNS A 2009 MERCURY MOUNTAINEER. THE CONTACT STATED THAT WHEN HE ROCKED THE STEERING WHEEL BACK AND FORTH IT MADE A POPPING NOISE. THE CONTACT STATED THAT THE RACK AND PINION CAUSED THE FAILURE TO OCCUR. THE DEALER STATED THAT ALL OF THE FORD AND MERCURY VEHICLES FOR THAT YEAR AND MODEL WERE DESIGNED THE SAME WAY. THE DRIVER SIDE TIRE ON THE INSIDE ALSO BEGAN TO EXHIBIT ABNORMAL WEAR, WHICH THE OWNER STATED COULD ALSO BE THE RACK AND PINION OR THE TIE ROD. THE VIN WAS NOT AVAILABLE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGES WERE 22,000.
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