There are 2 stored owner reports matching the brakes leading-label group for the 2006 Mercury Mountaineer in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)TL* THE CONTACT OWNS A 2006 MERCURY MOUNTAINEER. HE HAS EXPERIENCED SEVERAL FAILURES WITH THE VEHICLE. IN AN ATTEMPT TO DIAGNOSE THE FAILURE THE VEHICLE WAS TAKEN TO SEVERAL DIFFERENT REPAIR CENTERS, TO NO AVAIL. WHEN CONTACTING HIS LOCAL DEALER THE CONTACT WAS ADVISED THAT THE VEHICLE WOULD NEED SEVERAL REPAIRS INCLUDING A FAILED RADIATOR, THERMOSTAT, WATER PUMP, BRAKE DRUMS, ROTORS AND A GREASE TREATMENT, ALL AT HIS OWN EXPENSE. THE MANUFACTURER WAS CONTACTED AND WOULD NOT OFFER ANY ASSISTANCE. THE FAILURE MILEAGE WAS APPROXIMATELY 65,000 AND THE CURRENT MILEAGE WAS 107,253.
TL*THE CONTACT RENTED A 2006 MERCURY MOUNTAINEER. WHILE MAKING A LEFT TURN AT APPROXIMATELY 5-10 MPH, THE CONTACT APPLIED TOO MUCH PRESSURE TO THE ACCELERATOR PEDAL AND THE VEHICLE SPED FORWARD. THE CONTACT APPLIED THE BRAKES AND THE EMERGENCY BRAKE, BUT THE VEHICLE DID NOT DECELERATE OR STOP. THE VEHICLE CRASHED INTO FOUR PARKED VEHICLES. BOTH PASSENGERS WERE TRANSPORTED TO THE HOSPITAL, BUT ONLY THE FRONT PASSENGER, WHO WAS WEARING A SEAT BELT, SUFFERED BRUISES AND SORENESS. A POLICE REPORT WAS FILED. THE VEHICLE WAS DESTROYED AND TOWED. THE VIN, POWERTRAIN, ENGINE SIZE, PURCHASE DATE, AND NUMBER OF CYLINDERS WERE UNKNOWN. THE CURRENT AND FAILURE MILEAGES WERE 6,000.
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.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.