2010 Mercury Mountaineer recalls & problems

Safety recalls

Recall repairs are free at any authorised dealer. A recall listed here may already have been fixed on a particular car: enter its 17-character VIN at nhtsa.gov/recalls to see open recalls.

Crash test ratings

NHTSA 5-Star Safety Ratings (New Car Assessment Program). Ratings are comparable only between vehicles of similar size and weight, and ratings from 2011 on use tougher tests than earlier years. Photos: NHTSA.

Fuel economy

EPA estimates from fueleconomy.gov for each engine and transmission sold. Annual cost is the EPA's estimate for 15,000 miles a year at its current fuel and electricity price assumptions. Your results will vary.

What owners report

*Median odometer reading when the problem happened, where owners gave one. One complaint can name several problem areas.

Recent owner complaints

• Electrical system

  The contact owns a 2010 Mercury Mountaineer. The contact stated that the check engine warning light was illuminated. The vehicle was taken to an independent mechanic to be diagnosed. The contact was informed that the computer had provided an incorrect error code. The vehicle was also diagnosed by an authorized Ford tech who confirmed the failure with the computer. The manufacturer was contacted and informed of the failure. The manufacturer referred the contact to the NHTSA to file a complaint. The vehicle was not repaired. The approximate failure mileage was 109,000.

  Jun 8, 2020 · 109,000 miles
• Service brakes

  TL* THE CONTACT OWNS A 2010 MERCURY MOUNTAINEER. WHILE THE CONTACT'S WIFE WAS DRIVING 70 MPH, SHE DEPRESSED THE BRAKE PEDAL AND THE FRONT DRIVER'S SEAT STARTED TO SLIDE BACKWARDS AND THE INTERIOR LIGHTING ILLUMINATED. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE DRIVER LOST CONTROL OF THE VEHICLE AS IT MADE A 360 DEGREE SPIN. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS INFORMED OF THE FAILURE. THE FAILURE MILEAGE WAS UNKNOWN.

  Dec 30, 2019
• Unknown or other

  DOORS LOCKING MECHANISM MALFUNCTIONING AND CODING NUMBERS NOT FUNCTIONING. BEING LOCKED OUT WHEN USING CODE #S. CHAIN CRANKIN HARSHLY BUT NOT UNLOCKING DOORS. WHEN USING KEY INSTEAD OF CODE KEY DOES NOT UNLOCK NOR LOCK ANY DOORS EXCEPT DRIVERS DOOR LOCK.

  Dec 1, 2019 · 90,500 miles
• Power train

  REAR DIFFERENTIAL IS FILLING WITH WATER PASS THE FILL PLUG. THIS IS A GARAGE KEPT CAR AND NEVER OFF ROAD NOR DIRVEN IN DEEP WATER. FIRST TIME DISCOVERED AT 22000 MILES AND THE DEALER REPLACE THE PINION SEAL AND OIL, BUT COULD NOT FIND THE CAUSE. DIFFERENTIAL NOW MAKING NOISE AND AGAIN FULL OF WATER PAST THE FILL PLUG. SEARCHED ONLINE AND FOUND SEVERAL PEOPLE WITH THE SAME PROBLEM WITH FORD PRODUCTS. DEALER CANNOT FIND OR NOT WILLING TO FIND THE CAUSE. CALLED FORD AND THEY OFFER LITTLE TO NO SUPPORT. GUESS THEY ARE WAITING FOR THE DIFFERENTIALS TO LOCK UP AT HIGHWAY SPEED AND KILL A DOZEN OF SO PEOPLE.

  Dec 10, 2018
• Engine

  AT HIGH SPEEDS, THE CAR STALLS. IT ALSO STALLS AT STOP LIGHTS. THIS HAPPENS REPEATEDLY, AND FORD CANNOT FIGURE OUT WHAT IS WRONG WITH IT.

  Jun 23, 2016 · 65,000 miles
• Seat belts

  TL* THE CONTACT OWNS A 2010 MERCURY MOUNTAINEER. THE CONTACT STATED THAT WHILE ATTEMPTING TO LATCH BOTH OF THE SECOND ROW SEAT BELTS, THE BELTS FRACTURED AND DETACHED FROM THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER. THE TECHNICIAN WAS UNABLE TO DETERMINE THE CAUSE OF THE FAILURE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 60,000.

  Aug 10, 2015 · 60,000 miles
• Service brakes

  FRONT BRAKES STARTED AUTOMATICALLY SEIZING UP RANDOM TIMES AND SPEEDS DUE TO A DEFECTIVE WHEEL BEARING THAT DISRUPTED THE ANTILOCK BRAKE SENSORS. THIS CREATED AN EXTREMELY DANGEROUS DRIVING ISSUE. FORD REFUSED TO TAKE RESPONSIBILITY OR PAY FOR ANY REPAIRS BECAUSE IT WAS OUTSIDE THE WARRANTY PERIOD. *TR

  Mar 6, 2014 · 38,000 miles
• Service brakes

  SEE BELOW FROM: TIER 1 EMAIL - CRCFMC [MAILTO:CRCFMC@FORD.COM] SENT: THURSDAY, MARCH 20, 2014 8:57 AM TO: [XXX] CT: RE: VEHICLE SERVICE ISSUES CRM:01660000000018 HELLO[XXX] MY NAME IS [XXX], I AM FROM FORD`S CUSTOMER RELATIONSHIP CENTER (CRC). I HAVE REVIEWED YOUR EMAIL REGARDING THE CONCERNS ON YOUR 2010 MOUNTAINEER. I APOLOGIZE FOR ANY INCONVENIENCE THIS HAS CAUSED. FORD MOTOR COMPANY CONSIDERS THE SATISFACTION OF ITS OWNERS TO BE ONE OF ITS MOST IMPORTANT OBJECTIVES. WE COMMIT VERY SUBSTANTIAL RESOURCES AND EFFORT IN A SINCERE ATTEMPT TO RESOLVE THE CONCERNS OF OUR OWNERS. HOWEVER, LIMITS MUST BE PLACED ON THOSE EFFORTS. AFTER CAREFUL CONSIDERATION WE ARE SUPPORTING THE PREVIOUS DECISION…

  Mar 13, 2014 · 38,000 miles

Owner complaints are submitted to NHTSA by the public and are not verified. Shown as filed (NHTSA removes personal details); long reports are shortened.

NHTSA defect investigations

• Fleet Vehicle Recall Completion AuditClosed

  On November 18, 2010, NHTSA's Recall Management Division (RMD) opened an audit query (AQ10-001) to investigate recall remedy completion by rental car companies on safety recall campaigns.It was expected to provide the agency an indication of how completely and how quickly rental car fleets perform necessary recall-related remedies on the vehicles owned and then rented/leased for use on the roadways.RMD queried three (3) major motor vehicle manufacturers (Ford, Chrysler, and General Motors) and requested data regarding completion figures for fifteen (15) discreet safety recalls.Analysis of this data demonstrated that rental car recalls completion was neither complete nor consistent.The rental car companies representing the largest market share in the industry were then queried as to their respective policies for the rental, lease, and sale of vehicles with open recalls.The data and…

  AQ10001 · opened Nov 18, 2010 · closed Dec 28, 2015