There are 3 owner-reported body & structure complaints for the 2008 Mercury Mountaineerin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
**I FIRST NOTICED MY TIRE PRESSURE LIGHT CAME ON UPON PURCHASING MY VEHICLE. THE DEALER SAID THAT THE AIR MAY HAVE BEEN LOW AND COULD FLUCTUATE WITH THE WEIGHT IN THE VEHICLE. HE FILLED THE TIRE THAT APPEARED TO HAVE BEEN LOW AND IT TURNED OFF MOMENTARILY. A FEW DAYS LATER IT HAPPENED AGAIN AND I WOULD ADD AIR WHICH ALLEVIATED AGAIN IN THE SAME TIRE, BUT FOR A FEW HOURS LATER IT CAME ON AGAIN WHICH I FOUND OUT ENDED UP BEING AN ISSUE WITH ALL 4 OF THE TIRES. AFTER SEVERAL ATTEMPTS OF FILLING AND REFILLING OVER A PERIOD OF TIME AND USING "A FILLER" (CAN OF AIR FOR FLAT TIRES) IS WHEN I KNEW THEN ALL 4 TIRES ARE DEFECTIVE. THE AIR PRESSURE GOES ON AND OFF AND HAS NOW STAYED ON! I AM LUCKY IF IT TURNS OFF AT ALL NOW! THE TIRES ARE FIRESTONE DESTINATION A/T TIRES. **ALSO THE PASSENGER SIDE BACK PANEL (WHERE THE GAS FILL-TANK HOLE PANEL IS) WAS MANUFACTURED IN PROPERLY AS IT IS SEVERELY RUSTING, BUBBLING PAINT, AND CHIPPING AWAY ONLY BUT IN THIS ONE SPOT. THE RUST SIZE IS THE ONLY SPOT ON THE VEHICLE IN WHICH IS ABOUT THE SIZE OF THE PALM OF MY HAND. **I ALSO HAVE AN OUTSTANDING COMPLAINT ALREADY WITH A VERY DANGEROUS FAULTY CRUISE CONTROL ON THIS VEHICLE WHICH STALES THE VEHICLE AND RENDERS IT UNCONTROLLABLE WHILE DRIVING AND IN MOTION. *TR
DRIVER SEAT MOVES BACK INTO EXIT POSITION AND INTERIOR LIGHTS COME ON WHILE DRIVING. THIS HAPPENS AT ANY SPEED PERIODICALLY AND WHILE GOING OVER BUMPS. I AM VERY SHORT SO WHEN THIS HAPPENS I HAVE A DIFFICULT TIME REACHING THE GAS/BRAKE. I HAVE 4 YOUNG CHILDREN AND THIS IS A VERY BIG SAFETY ISSUE WHILE DRIVING. *TR
WHILE DRIVING THE DRIVER SEAT SLIDES BACK INTO EXIT FORM AND IT IS HARD TO REACH THE GAS AND BRAKES AND THE INTERIOR LIGHTS COME ON. THIS HAPPENS PERIODICALLY WHILE DRIVING IF YOU TOUCH THE IGNITION AS IF YOU ARE GOING TO START THE VEHICLE THE SEAT WILL GO BACK INTO PLACE AND THE INTERIOR LIGHTS WILL GO OFF. *TR
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 26, 2026