2010 Mercury Mountaineer

Routine

Owners filed 13 complaints about this vehicle with federal regulators, most often about the service brakes. It has been recalled 1 time.

What fails
ComponentReportsCrashesFiresInjuries
Service Brakes5
000
Engine2
000
Vehicle Speed Control1
000
Unknown or Other1
000
Steering1
000
Seat Belts1
000
Power Train1
000
Electrical System1
000

1 safety recall

Part 573 reports
Seats › Front Assembly › Recliner10V161000
Filed Apr 20, 201033,256 vehiclesFord Motor Company

Defect. FORD IS RECALLING CERTAIN MODEL YEAR 2010 FUSION, EXPLORER, EXPLORER SPORT TRAC, AND MERCURY MILAN AND MOUNTAINEER VEHICLES MANUFACTURED BETWEEN DECEMBER 15, 2009 THROUGH FEBRUARY 3, 2010 EQUIPPED WITH FRONT SEAT MANUAL RECLINERS. THESE VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 202, "HEAD RESTRAINT." THE RECLINER GEAR PLATE TEETH MAY BE OUT OF DIMENSION SPECIFICATION WHICH COULD RESULT IN LIMITED PAWL TO GEAR PLATE TOOTH ENGAGEMENT.

Risk. IN THE EVENT OF A CRASH, THE SEATBACK AND HEAD RESTRAINT MAY MOVE REARWARD, INCREASING THE RISK OF INJURY.

Remedy. DEALERS WILL REPLACE THE MANUAL RECLINERS FOR BOTH POWER AND MANUAL SEATS FREE OF CHARGE. THE SAFETY RECALL IS EXPECTED TO BEGIN ON OR BEFORE APRIL 30, 2010. OWNERS MAY CONTACT FORD AT 1-866-436-7332.

What owners reported

Newest filings
Electrical System
Filed Jun 7, 2022109,000 milesNY

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.

Service Brakes
Filed Dec 31, 2019WI

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.

Unknown or Other
Filed Dec 8, 201990,500 milesNH

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.

Power Train
Filed Dec 10, 2018AL

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.

Engine
Filed Jun 26, 201665,000 milesCO

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.

Seat Belts
Filed Sep 29, 201560,000 milesNY

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.

Service Brakes
Filed Mar 28, 201538,000 milesVA

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

Service Brakes
Filed Oct 5, 201438,000 milesVA

SEE BELOW FROM: TIER 1 EMAIL - CRCFMC [MAILTO:[email protected]] 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 AND WILL NOT BE ABLE TO REIMBURSE YOU FOR THE COST OF REPAIRS. THANK YOU FOR CONTACTING FORD MOTOR COMPANY. WE ARE SORRY THAT WE WERE NOT ABLE TO MEET YOUR EXPECTATIONS. SINCERELY, [XXX] CUSTTOMER RELATIONSHIP CENTER FORD MOTOR COMPANY FROM: GENERIC - CRC CONTACT RECEIVED: 3/18/2014 5:45 PM TO: TIER 1 EMAIL - CRCFMC SUBJECT: VEHICLE SERVICE ISSUES WHAT IS YOUR VEHICLE SALES OR SERVICE ISSUE?:THE VEHICLES BRAKES STARTED LOCKING UP WHILE DRIVING. THE CAUSE WAS DUE TO A DEFECTIVE WHEEL BEARING THAT CAUSED THE ANTILOCK BRAKE SENSOR TO MALFUNCTION CREATING AN EXTREMELY DANGEROUS DRIVING SCENARIO WHAT ACTION HAS YOUR DEALER TAKEN TO ADDRESS THE ISSUE?:N/A WHAT ASSISTANCE ARE YOU SEEKING FROM FORD MOTOR COMPANY?:REIMBURSEMENT FOR DEFECTIVE REPAIRS ARE YOU THE OWNER OF THE VEHICLE :YES MILEAGE : 3

Service Brakes
Filed Mar 25, 201438,660 milesVA

FROM: TIER 1 EMAIL - [XXX] SENT: THURSDAY, MARCH 20, 2014 8:57 AM TO: [XXX]SUBJECT: RE: VEHICLE SERVICE ISSUES CRM:01660000000018 [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. 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 AND WILL NOT BE ABLE TO REIMBURSE YOU FOR THE COST OF REPAIRS. THANK YOU FOR CONTACTING FORD MOTOR COMPANY. WE ARE SORRY THAT WE WERE NOT ABLE TO MEET YOUR EXPECTATIONS. [XXX]FORD MOTOR COMPANY ------------------- ORIGINAL MESSAGE ------------------- FROM: GENERIC - CRC CONTACT RECEIVED: 3/18/2014 5:45 PM TO: TIER 1 EMAIL - CRCFMC WHAT IS YOUR VEHICLE SALES OR SERVICE ISSUE?:THE VEHICLES BRAKES STARTED LOCKING UP WHILE DRIVING. THE CAUSE WAS DUE TO A DEFECTIVE WHEEL BEARING THAT CAUSED THE ANTILOCK BRAKE SENSOR TO MALFUNCTION CREATING AN EXTREMELY DANGEROUS DRIVING SCENARIO WHAT ACTION HAS YOUR DEALER TAKEN TO ADDRESS THE ISSUE?:N/A WHAT ASSISTANCE ARE YOU SEEKING FROM FORD MOTOR COMPANY?:REIMBURSEMENT FOR DEFECTIVE REPAIRS ARE YOU THE OWNER OF THE VEHICLE :YES VIN : [XXX] MILEAGE : 38000 WHERE IS YOUR VEHICLE NOW : INPOSSESSION HAVE YOU CONTACTED THE DEALER :NO DEALER NAME

Service Brakes
Filed Oct 14, 201331,000 milesMD

THERE IS A MANUFACTURING FAULT WITH THE POSITION OF THE BRAKE AND THE GAS PEDAL. IT IS VERY EASY TO MOVE THE RIGHT FOOT FROM THE GAS TO THE BRAKE AND LEAVE ENOUGH OF THE FOOT ON THE GAS AT THE SAME TIME. IT ALLOWS THE BRAKE TO BE PRESSED BUT ALSO APPLIES GAS TO GIVE A VEHICLE A SURGE WHILE BRAKING. HAD THE SAME SITUATION WITH A 2001 FORD TAURUS AND FORD ISSUED A RECALL NOTICE TO HAVE THE PLACEMENT OF PEDALS CHANGED. *TR

Engine
Filed Aug 9, 201355,000 milesIL

WHILE DRIVING THE MOUNTAINEER I WAS SLOWING FOR A STOPLIGHT SHORTLY AFTER STARTING IT UP (HAD DRIVEN ABOUT 1/3 MILE). THE ENGINE SUDDENLY STARTED TO SPEED UP AND REQUIRED SIGNIFICANT EXTRA BRAKING FORCE TO COME TO A STOP. I PUT THE CAR IN NEUTRAL AND THE ENGINE RAN AT ABOUT 3,300 RPM FOR ABOUT 10 SECONDS. THIS IS THE THIRD TIME THIS HAS HAPPENED. THE FIRST TIME THE THERMOSTAT WAS REPLACED. THE SECOND TIME THE THROTTLE BODY WAS REPLACED. THE THIRD TIME THE VEHICLE WAS CHECKED BUT NO DEFECT COULD BE FOUND. THE SECOND TIME I ALSO PUT IT IN NEUTRAL AND IT ALSO RAN AT ABOUT 3,300 RPM FOR ABOUT 10 SECONDS. *TR

Vehicle Speed Control
Filed Feb 28, 20131,000 milesNY

TL* THE CONTACT OWNS A 2010 MERCURY MOUNTAINEER. THE CONTACT STATED THAT WHILE BRAKING TO A STOP, THE VEHICLE WOULD LUNGE FORWARD. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THEY ADVISED HIM THAT THEY WERE UNABLE TO DIAGNOSE THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS CONTACTED AND THEY OFFERED NO ASSISTANCE. THE FAILURE MILEAGE WAS APPROXIMATELY 1,000. THE CURRENT MILEAGE WAS APPROXIMATELY 30,000.

Steering
Filed May 30, 20126,125 milesFL

PULLED INTO PARKING SPACE, PLACED SHIFTER IN PARK, TURNED OFF IGNITION, RELEASED BRAKE AND VEHICLE ROLLED BACKWARDS AS IF NOT IN PARK. ATTEMPTED TO RESTART VEHICLE AND NO RESPONSE. SET PARKING BRAKE. COULD NOT GET VEHICLE TO LOCK INTO PARK, SHIFTER MOVED REGARDLESS OF BRAKE ON OR NOT AND WOULD NOT START. MOVED SHIFTER THROUGH ENTIRE RANGE OF GEARS AND RETURNED TO PARK, VEHICLE STILL WOULD NOT START AND PARK WOULD NOT HOLD. CALLED DEALER AND WAS TOLD TO HAVE IT TOWED IN. RETURNED TO VEHICLE AND TRIED ONCE MORE AND IT STARTED AND PROCEEDED TO RESPOND NORMALLY. VEHICLE TAKEN DIRECTLY TO DEALER WHO COULD NOT FIND ANY PROBLEM OR CAUSE OF PRECEDING SITUATION. ON TWO SUBSEQUENT DATES (MOST RECENT 5/25/2012), VEHICLE WAS BACKED INTO A PARKING SPACE, PLACED IN PARK AND IGNITION TURNED OFF. WHEN AN ATTEMPT TO RESTART VEHICLE WAS MADE THERE WAS NO RESPONSE. PARK APPEARED TO HOLD NORMAL, BUT UNABLE TO ENGAGE IGNITION. DASH LIGHTS, CHIMES AND ALL ELECTRICAL COMPONENTS APPEAR TO WORK NORMAL BUT WAS STILL UNABLE TO ENGAGE STARTER. AGAIN STARTED PROCESS TO HAVE VEHICLE TOWED TO DEALER. AFTER APPROXIMATELY 30 MINUTES TO AN HOUR OF SITTING (WITH NO OTHER ACTION) VEHICLE STARTED NORMALLY. AGAIN DEALER AT A LOSS FOR CAUSE AND CANNOT EFFECT REPAIR SINCE UNABLE TO RECREATE PROBLEM. CONCERN IS FOR TRANSMISSION/IGNITION INTERLOCK FAILURE OR OTHER ACTION THAT COULD RESULT IN DAMAGE OR INJURY. *TR

13 of 13 complaints, reproduced as filed.

Across model years

Worst on record: 2002
YearComplaintsRecallsFiresDeathsAssessment
2010 — this page13100Routine
20096000Routine
200896200Routine
200781100Routine
2006117220Routine
200582100Routine
2004210120Above average
2003152150Routine
2002372470Above average
200122410Routine
20001238120Routine
1999151951Fatalities reported
19982366231Fatalities reported
19973287101Fatalities reported
19963200Routine

Compare every Mountaineer year →

Reading this record

No unusual pattern of severe incidents in the complaint record.

Complaint counts track how many cars were sold and how long they have been on the road as much as they track quality. A common model from 2013 has had a decade to accumulate reports; a rare one from last year has not. The signal worth weighing is in the severity columns, in whether the same component keeps appearing, and in whether the manufacturer eventually opened a recall for it.

Recall repairs are free for as long as the recall stands. Check whether a specific car still has open work at NHTSA's VIN lookup.

Most recent recall on file: Apr 20, 2010. Source: NHTSA Office of Defects Investigation.