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2005 Mercury Mountaineer

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2005 Mercury Mountaineer do not stand out strongly from the model-year median of 117.

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When problems were reported

Mileage at the reported incident

69 reports with mileage · 13 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Structure. Review the 26 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 19 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Vehicle Speed Control. Review the 13 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

6 crash reports0 fire reports1 injury reports

Electrical System complaints

5 reports
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98,581 miles · Jul 1, 2016
Electrical System

TL* THE CONTACT OWNS A 2005 MERCURY MOUNTAINEER. WHEN THE VEHICLE WAS STARTED, THE CONTACT HEARD A KNOCKING NOISE FROM THE MIDDLE OF THE DASHBOARD AND COLD AIR WAS BLOWING FROM THE VENTS. THE DEALER DIAGNOSED THAT THE TEMPERATURE BLENDER ACTUATOR FAILED AND NEEDED REPLACEMENT. THIS WAS THE THIRD TIME THE VEHICLE WAS REPAIRED FOR…

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TL* THE CONTACT OWNS A 2005 MERCURY MOUNTAINEER. WHEN THE VEHICLE WAS STARTED, THE CONTACT HEARD A KNOCKING NOISE FROM THE MIDDLE OF THE DASHBOARD AND COLD AIR WAS BLOWING FROM THE VENTS. THE DEALER DIAGNOSED THAT THE TEMPERATURE BLENDER ACTUATOR FAILED AND NEEDED REPLACEMENT. THIS WAS THE THIRD TIME THE VEHICLE WAS REPAIRED FOR THE SAME FAILURE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 98,581.

NHTSA ODI #10881999

124,000 miles · Apr 22, 2016
Air BagsElectrical SystemStructureCrash

MY HUSBAND WAS DRIVING OUR 2005 MERCURY MOUNTAINEER AND HE WAS GOING LESS THAN 20 MILES PER HOUR ON A MAIN STREET AND GOT IN A ACCIDENT THE WOMAN STOPPED SHORT AND HE REAR ENDED HER. THE CAR TOTALLED UP BUCKLED UP AIR BAGS NEVER INFLATED THEY CAME OUT COMPLETELY DEFLATED. ISSUE WITH THIS CAR ALSO IS THE ELECTRIC DRIVER WINDOW DI…

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MY HUSBAND WAS DRIVING OUR 2005 MERCURY MOUNTAINEER AND HE WAS GOING LESS THAN 20 MILES PER HOUR ON A MAIN STREET AND GOT IN A ACCIDENT THE WOMAN STOPPED SHORT AND HE REAR ENDED HER. THE CAR TOTALLED UP BUCKLED UP AIR BAGS NEVER INFLATED THEY CAME OUT COMPLETELY DEFLATED. ISSUE WITH THIS CAR ALSO IS THE ELECTRIC DRIVER WINDOW DIES OUT MECHANIC COULD NOT FIGURE OUT BOUGHT NEW MOTORS STILL WOULDNT OPEN ELECTRIC SWITCHES THEY THOUGHT IT WAS FULLY ELECTRONIC THEY WHERE GOING TO RE WIRE VERY EXPENSIBE BUT CAR WAS TOTALLED. CAR HORRIBLE ON GAS ALSO. HAVE PICTURES OF DELATED AIR BAGS BOTH DRIVER AND PASSANGER

NHTSA ODI #10860958

158,000 miles · Dec 11, 2010
Electrical System

MY 2005 MERCURY MOUNTAINEER LOSES POWER FOR NO REASON. THIS IS THE FOURTH TIME THIS HAS HAPPENED. IT WAS BEEN TO THE DEALER MULTIPLE TIMES AND THEY CANNOT FIND A PROBLEM. THERE IS NOTHING TO FORESEE WHEN IT HAPPENS, THE ONLY CONSISTENCY HAS BEEN THAT LUCKILY I HAVE BEEN ON LOCAL ROADS DOING NO MORE THAN 35 MILES PER HOUR OR S…

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MY 2005 MERCURY MOUNTAINEER LOSES POWER FOR NO REASON. THIS IS THE FOURTH TIME THIS HAS HAPPENED. IT WAS BEEN TO THE DEALER MULTIPLE TIMES AND THEY CANNOT FIND A PROBLEM. THERE IS NOTHING TO FORESEE WHEN IT HAPPENS, THE ONLY CONSISTENCY HAS BEEN THAT LUCKILY I HAVE BEEN ON LOCAL ROADS DOING NO MORE THAN 35 MILES PER HOUR OR SO. FIRST BATTERY LIGHT AND SERVICE ENGINE COMES ON AS THE ENGINE STOPS, THEN LOW OIL. THE CAR DOES NOT SEIZE UP, I CAN STEER TO THE SIDE OF THE ROAD. IF I PUT IT BACK IN PARK. TURN THE IGNITION OFF, AND THEN RESTART IT IS FINE. THERE IS CONSIDERABLE LENGTH OF TIME BETWEEN OCCURRENCES (MONTHS IF NOT CLOSE TO A YEAR THIS TIME.) *TR

NHTSA ODI #10369966

10,800 miles · Jan 14, 2009
Electrical System

CRUISE CONTROL DISENGAGES AFTER DRIVING FOR AN EXTENDED PERIOD OF TIME, USUAL A TRIP OVER 90 MINUTES IN LENGTH. IT WORKS FINE UNTIL YOU HAVE TO APPLY BRAKE FOR A CONSTRUCTION ZONE, OR OF RAMP, ETC. WHEN YOU PUSH RESUME NOTHING HAPPENS. TURNING IT OFF AND TRYING TO TURN IT BACK ON STILL DOES NOT RESOLVE THE PROBLEM. AFTER TURN…

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CRUISE CONTROL DISENGAGES AFTER DRIVING FOR AN EXTENDED PERIOD OF TIME, USUAL A TRIP OVER 90 MINUTES IN LENGTH. IT WORKS FINE UNTIL YOU HAVE TO APPLY BRAKE FOR A CONSTRUCTION ZONE, OR OF RAMP, ETC. WHEN YOU PUSH RESUME NOTHING HAPPENS. TURNING IT OFF AND TRYING TO TURN IT BACK ON STILL DOES NOT RESOLVE THE PROBLEM. AFTER TURNING THE CAR ON AND OFF A FEW TIMES IT WILL START WORKING AGAIN, BUT THAT ISN'T REALLY USEFUL WHILE ON A LONG TRIP. IT FIRST HAPPENED TWO AND A HALF YEARS AGO AND CONTINUES TO HAPPEN. THE DEALERSHIP SAYS THEY CAN'T DUPLICATE THE PROBLEM BUT HAS ONLY TEST DRIVEN FOR 20 MINUTES. *TR

NHTSA ODI #10254973

34,177 miles · Jun 17, 2008
Electrical SystemEngine And Engine CoolingSeats

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 A…

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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

NHTSA ODI #10231347

Official recalls

0

No recalls in this snapshot.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

1

EA09013 · Vehicle Rollaway Allegations

Opened Aug 18, 2009 · Closed Feb 12, 2013

Status: closed (inferred from source dates) · Power Train:automatic Transmission:gear Position Indication (prndl); Power Train:automatic Transmission:lever And Linkage:column Shift; Steering; Steering:column; Steering:column LOCKING:ANTI-THEFT Device

This investigation is being closed based on several considerations.By the most inclusive counting of all alleged rollaway incidents (i.e., counting all alleged rollaway incidents and assuming a singular failure mechanism), the incident rate is low, however during EA09-013, ODI identified a number of different failure mechanisms in 180 incidents related to the alleged defect.The highest rate for any particular failure mechanism, the failure of the Automatic Transmission Parking System, was 4.4/100K.The next-highest failure rate was for the BSI System, at 3.4/100K.For all identified failure mechanisms there has been a drastically declining trend including very few incidents occurring in recent years.Accordingly, this investigation is closed.The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist.For additional information regarding this investigation, see the complete closing resume in the document file for EA09-013. The ODI reports cited above can be reviewed at www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification (ODI) numbers:10168454, 10279630, 10280078.

Additional source detail variants (5)

Power Train:automatic Transmission:gear Position Indication (prndl)

This investigation is being closed based on several considerations.By the most inclusive counting of all alleged rollaway incidents (i.e., counting all alleged rollaway incidents and assuming a singular failure mechanism), the incident rate is low, however during EA09-013, ODI identified a number of different failure mechanisms in 180 incidents related to the alleged defect.The highest rate for any particular failure mechanism, the failure of the Automatic Transmission Parking System, was 4.4/100K.The next-highest failure rate was for the BSI System, at 3.4/100K.For all identified failure mechanisms there has been a drastically declining trend including very few incidents occurring in recent years.Accordingly, this investigation is closed.The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist.For additional information regarding this investigation, see the complete closing resume in the document file for EA09-013. The ODI reports cited above can be reviewed at www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification (ODI) numbers:10168454, 10279630, 10280078.

Power Train:automatic Transmission:lever And Linkage:column Shift

This investigation is being closed based on several considerations.By the most inclusive counting of all alleged rollaway incidents (i.e., counting all alleged rollaway incidents and assuming a singular failure mechanism), the incident rate is low, however during EA09-013, ODI identified a number of different failure mechanisms in 180 incidents related to the alleged defect.The highest rate for any particular failure mechanism, the failure of the Automatic Transmission Parking System, was 4.4/100K.The next-highest failure rate was for the BSI System, at 3.4/100K.For all identified failure mechanisms there has been a drastically declining trend including very few incidents occurring in recent years.Accordingly, this investigation is closed.The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist.For additional information regarding this investigation, see the complete closing resume in the document file for EA09-013. The ODI reports cited above can be reviewed at www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification (ODI) numbers:10168454, 10279630, 10280078.

Steering:column

This investigation is being closed based on several considerations.By the most inclusive counting of all alleged rollaway incidents (i.e., counting all alleged rollaway incidents and assuming a singular failure mechanism), the incident rate is low, however during EA09-013, ODI identified a number of different failure mechanisms in 180 incidents related to the alleged defect.The highest rate for any particular failure mechanism, the failure of the Automatic Transmission Parking System, was 4.4/100K.The next-highest failure rate was for the BSI System, at 3.4/100K.For all identified failure mechanisms there has been a drastically declining trend including very few incidents occurring in recent years.Accordingly, this investigation is closed.The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist.For additional information regarding this investigation, see the complete closing resume in the document file for EA09-013. The ODI reports cited above can be reviewed at www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification (ODI) numbers:10168454, 10279630, 10280078.

Steering:column LOCKING:ANTI-THEFT Device

This investigation is being closed based on several considerations.By the most inclusive counting of all alleged rollaway incidents (i.e., counting all alleged rollaway incidents and assuming a singular failure mechanism), the incident rate is low, however during EA09-013, ODI identified a number of different failure mechanisms in 180 incidents related to the alleged defect.The highest rate for any particular failure mechanism, the failure of the Automatic Transmission Parking System, was 4.4/100K.The next-highest failure rate was for the BSI System, at 3.4/100K.For all identified failure mechanisms there has been a drastically declining trend including very few incidents occurring in recent years.Accordingly, this investigation is closed.The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist.For additional information regarding this investigation, see the complete closing resume in the document file for EA09-013. The ODI reports cited above can be reviewed at www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification (ODI) numbers:10168454, 10279630, 10280078.

Steering

This investigation is being closed based on several considerations.By the most inclusive counting of all alleged rollaway incidents (i.e., counting all alleged rollaway incidents and assuming a singular failure mechanism), the incident rate is low, however during EA09-013, ODI identified a number of different failure mechanisms in 180 incidents related to the alleged defect.The highest rate for any particular failure mechanism, the failure of the Automatic Transmission Parking System, was 4.4/100K.The next-highest failure rate was for the BSI System, at 3.4/100K.For all identified failure mechanisms there has been a drastically declining trend including very few incidents occurring in recent years.Accordingly, this investigation is closed.The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist.For additional information regarding this investigation, see the complete closing resume in the document file for EA09-013. The ODI reports cited above can be reviewed at www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification (ODI) numbers:10168454, 10279630, 10280078.