There are 5 stored owner reports matching the steering leading-label group for the 2005 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 5 of 5 matching reports.
Open the full vehicle complaint log (all categories)TL* THE CONTACT OWNS A 2005 MERCURY MOUNTAINEER. WHILE DRIVING 45 MPH, THE POWER STEERING FAILED WITHOUT WARNING. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC, BUT WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS UNKNOWN.
TL*THE CONTACT OWNS A 2005 MERCURY MOUNTAINEER. WHILE DRIVING 40 MPH, THE CONTACT NOTICED THAT THE VEHICLE BEGAN TO SWAY BACK AND FORTH IN THE REAR. THE VEHICLE WAS TAKEN TO A REPAIR SHOP BUT THE MECHANIC COULD NOT DUPLICATE OR DIAGNOSE THE FAILURE. THE CONTACT REPLACED ALL OF THE TIRES AND BRAKES; HOWEVER, THE FAILURE CONTINUED TO OCCUR. THE FAILURE MILEAGE WAS APPROXIMATELY 80,000. THE CURRENT MILEAGE WAS APPROXIMATELY 102,000.
I HAVE A 2005 MERCURY MOUNTAINEER, AND I TURNED THE KEY AND WENT TO MOVE FROM R TO DRIVE AND THE HANDLE (GEAR SHAFT) JUST SNAPPED OFF. *TR
TL*THE CONTACT OWNS A 2005 MERCURY MOUNTAINEER. ON THE DAY THE VEHICLE WAS PURCHASED, THE CONTACT NOTICED FLUID LEAKING ONTO HER GARAGE FLOOR. SHE RETURNED TO THE DEALER AND WAS INFORMED THAT THE PINION SEAL NEEDED TO BE REPLACED, AND REPAIRS WERE MADE. WHILE TRAVELING 45 MPH, THE CONTACT ATTEMPTED TO SET THE CRUISE CONTROL AND THE VEHICLE SHUT OFF IN THE MIDDLE OF THE ROAD. SHE WAS ABLE TO PULL OVER TO THE SHOULDER AND RESTART THE VEHICLE TO DRIVE HOME. AFTER WORK ONE EVENING, SHE WAS UNABLE TO START THE VEHICLE. AFTER 20 MINUTES, HER FATHER ARRIVED AND WAS ABLE TO FORCEFULLY START THE VEHICLE. THE CONTACT RETURNED TO THE DEALER THE FOLLOWING DAY, BUT THEY COULD NOT DUPLICATE THE FAILURE WITH THE CRUISE CONTROL OR THE STALLING. ON JUNE 16, 2008, SHE TOOK THE VEHICLE TO THE DEALER AND THEY REPLACED A FUSE. UPON FURTHER INSPECTION, THEY IDENTIFIED A BUSHING THAT NEEDED TO BE REPLACED AS WELL. ALL OF THESE FAILURES OCCURRED WITHIN FOUR MONTHS OF PURCHASING THE VEHICLE AND WITH LESS THEN 4,000 MILES PLACED ON THE VEHICLE BY THE CONTACT. THE FAILURE MILEAGE WAS 34,177 AND CURRENT MILEAGE WAS 37,600. UPDATED 07/15/08 *BF WHEN THE CONSUMER STARTED THE VEHICLE, THE POWER SEATS AND POWER LOCKS FAILED TO WORK. THE CONSUMER RETURNED TO THE DEALER AND THEY REPLACED THE DRIVER SIDE MOTOR. THE SWAY BAR BUSHINGS WERE REPLACED. UPDATED 07/15/08
HAD WARPED ROTORS WITHIN FIRST 2,000 MILES. FORD WOULD ONLY GROUND ROTORS BUT DEALER REPLACED THEM AT NO CHARGE. I HAVE ALSO EXPERIENCED A LOUD, THUMPING NOISE WHEN I AM MAKING A SHARP TURN TO LEFT OR RIGHT AT A VERY LOW SPEED. ALSO, OFTEN WHEN PUTTING CAR IN REVERSE MANY TIMES THERE IS A LARGE THUMP AND VEHICLE APPEARS TO SHIFT HARD. FINALLY, WHEN STOPPED ON A STEEP HILL, AFTER REMOVING FOOT FROM BRAKE, VEHICLE ROLLS BACKWARDS MANY TIMES. *JB
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.