2005 Mercury MOUNTAINEER: complaints, problems and recalls
Explore the records behind recurring owner reports.
Key facts
82 owner complaints analyzed
0 distinct recall campaigns
56,750 mi median reported failure mileage
Scope: 2005 model year. Data snapshot: . 69 complaints include usable failure mileage.
Most common problems
Structure:Body is the most frequently named component, appearing in 19 of 82 complaints (23.2%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Transmission and shifting | 15 | 18.3% |
| Braking behavior | 14 | 17.1% |
| Engine operation | 7 | 8.5% |
| Steering behavior | 7 | 8.5% |
| Electrical and battery issues | 3 | 3.7% |
| Fuel system concerns | 1 | 1.2% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Structure:Body | 19 |
| Power Train:Automatic Transmission | 11 |
| Vehicle Speed Control | 9 |
| Power Train | 8 |
| Engine | 7 |
| Structure | 5 |
| Electrical System | 4 |
| Steering | 4 |
Structure:Body: 19; Power Train:Automatic Transmission: 11; Vehicle Speed Control: 9; Power Train: 8; Engine: 7; Structure: 5; Electrical System: 4; Steering: 4
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 12 |
| 25,000 to 49,999 | 21 |
| 50,000 to 74,999 | 12 |
| 75,000 to 99,999 | 7 |
| 100,000 to 149,999 | 15 |
| 150,000 and above | 2 |
Under 25,000: 12; 25,000 to 49,999: 21; 50,000 to 74,999: 12; 75,000 to 99,999: 7; 100,000 to 149,999: 15; 150,000 and above: 2
25,000 to 49,999 miles has the most reports with usable mileage (21). 13 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2005 | 2 |
| 2006 | 3 |
| 2007 | 5 |
| 2008 | 8 |
| 2009 | 10 |
| 2010 | 10 |
| 2011 | 8 |
| 2012 | 4 |
| 2013 | 3 |
| 2014 | 6 |
| 2015 | 7 |
| 2016 | 5 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 1 |
| 2022 | 1 |
| 2023 | 3 |
2005: 2; 2006: 3; 2007: 5; 2008: 8; 2009: 10; 2010: 10; 2011: 8; 2012: 4; 2013: 3; 2014: 6; 2015: 7; 2016: 5; 2017: 1; 2018: 4; 2019: 1; 2020: 1; 2022: 1; 2023: 3
Pattern summary
Structure:Body leads the component reports. Transmission and shifting appears in 15 complaint narratives. Braking behavior appears in 14 complaint narratives. Engine operation appears in 7 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Examples from the source records
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10123782 · 2005-06-01 (June 1, 2005)
2005 - MERCURY MOUNTAINEER. THIS VEHICLE HAS WHAT I BELIEVE IS A BRAKING DESIGN FLAW. I HAVE BEE COMPLAINING ABOUT THIS BRAKE IN THIS VEHICLE FORM DAY ONE AS WE FIRST THOUGHT THAT THE BRAKE ROTORS HAD TIRE DRESSING ON THEM. THIS WAS NOT THE CASE. IT NOW APPEARS THAT THE BRAKE PEDAL IS DESIGNED FOR THE SHORTER PERSONS, AROUND 5 FT, 2 IN. THE BRAKE PEDAL WITH A PERSON OF THIS SIZE WOULD SIMPLY PUSH THE BRAKE PEDAL ALMOST STRAIGHT DOWN DOWNWARD TOWARDS THE GROUND. A PERSON OVER 6 FT LIKE MYSELF (6 FT, 6IN), CANNOT PUSH THIS BRAKE PEDAL D…
Owner-reported narrative. Look up ODI 10123782 at NHTSA ↗
Owner report 10140188 · 2005-10-19 (October 19, 2005)
PURCHASED A NEW 2005 MERCURY MOUNTAINEER IN 7/31/2005 THE FIRST TIME THE CAR ACCELERATED WHEN THE BRAKES WERE APPLIED AND THE CAR HAD TO BE PUT IN NEUTRAL TO STOP. THE DEALER REPORTED THAT THERE WERE NO KNOWN FIXES FOR THIS PROBLEM AT THIS TIME. THE SECOND TIME WHILE PULLING INTO MY DRIVEWAY WHEN THE BRAKES WERE APPLIED THE CAR ACCELERATED AND CRASH INTO MY GARAGE DOOR. THIS TIME THE DEALER BLAMED MY WIFE AND SAID SHE MUST HAVE PRESSED THE GAS AND BRAKE PEDDLES AT THE SAME TIME. THE CAR SUSTAINED FRONT END BODY DAMAGE AND MY GARAGE DOOR NEEDS …
Owner-reported narrative. 1,050 miles reported. Look up ODI 10140188 at NHTSA ↗
Owner report 10150251 · 2006-02-14 (February 14, 2006)
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
Owner-reported narrative. 100 miles reported. Look up ODI 10150251 at NHTSA ↗
Owner report 10164458 · 2006-08-04 (August 4, 2006)
2005 MERCURY MOUNTAINEER V6 WITH AWD WAS PLACED IN "PARK" , ENGINE TURNED OFF AND KEY REMOVED FROM IGNITION. THE CAR SLIPPED INTO REVERSE AND ROLLED DOWN DRIVEWAY STRIKING MAILBOXES ACROSS STREET. *JB
Owner-reported narrative. 9,302 miles reported. Look up ODI 10164458 at NHTSA ↗
Owner report 10175567 · 2006-12-08 (December 8, 2006)
DT*: THE CONTACT STATED WHILE DRIVING 25 MPH, A NOISE WAS HEARD AND THE AUTOMATIC STABILITY CONTROL LIGHT ILLUMINATED ON THE DASH AND THE VEHICLE PULLED TO THE RIGHT. IT WAS MANEUVERED OFF THE ROAD AND RESTARTED HOWEVER, THE DASH LIGHT CONTINUED TO ILLUMINATE. THE VEHICLE WAS DRIVEN TO THE DEALER WHO COULD NOT IDENTIFY THE PROBLEM.
Owner-reported narrative. 29,500 miles reported. Look up ODI 10175567 at NHTSA ↗
Owner report 10181889 · 2007-02-07 (February 7, 2007)
TL* - THE CONTACT OWNS A 2005 MERCURY MOUNTAINEER. ON 11/20/06 THE CONTACT'S HEATER ON/OFF SWITCH WOULDN'T ALLOW HER TO TURN THE HEATER OFF. THE CONTACT HAD TO DRIVE WITH THE WINDOWS ROLLED DOWN. THE CONTACT ALSO ATTEMPTED TO TURN THE VEHICLE OFF AND RESTART AND THE FAILURE CONTINUED TO OCCUR. WHILE DRIVING ON 12/18/06 AT 35MPH THE ENGINE STALLED AND THE VEHICLE SHUT OFF. THE WARNING INDICATOR LIGHT READ CHECK ENGINE, LOW PRESSURE PRIOR TO THE FAILURE. THE FAILURE ALSO OCCURRED ON 1/19/07. EACH TIME THE FAILURE OCCURRED THE CONTACT WAS …
Owner-reported narrative. 30,000 miles reported. Look up ODI 10181889 at NHTSA ↗
Owner report 10194914 · 2007-06-28 (June 28, 2007)
TL*THE CONTACT OWNS A 2005 MERCURY MOUNTAINEER. WHILE PULLING INTO A PARKING SPOT AT 5 MPH, THE VEHICLE AUTOMATICALLY ACCELERATED TO AN UNKNOWN SPEED. THE CONTACT WAS DEPRESSING THE BRAKE PEDAL AT THE TIME OF FAILURE. THE VIN AND ENGINE SIZE WERE UNKNOWN. THE CURRENT AND FAILURE MILEAGES WERE 23,000.
Owner-reported narrative. 23,000 miles reported. Look up ODI 10194914 at NHTSA ↗
Owner report 10196645 · 2007-07-17 (July 17, 2007)
THIS IS THE SECOND COMPLAINT. THE 2005 MERCURY MOUNTAINEER SPONTANEOUSLY ACCELERATED ON THE FREEWAY. I WAS DRIVING AT 70 MPH AND IT ACCELERATED TO OVER 80 MPH. THE GAS PEDAL WAS PULLING ITSELF DOWN.*AK
Owner-reported narrative. 15,240 miles reported. Look up ODI 10196645 at NHTSA ↗
Recall history
0 distinct campaigns affect this selection. Announcement dates below are different from vehicle model years. A campaign may cover multiple years.
No recall campaigns are recorded in this snapshot.