

Engine (31%)
Transmission and Drivetrain (17%)
Brakes and Traction Control (2%)
Suspension and Steering (29%)
Electrical and Air Conditioning (17%)
Paint, Rust, Leaks, Rattles, and Trim (0%)
Other (2%)
$2500+ (9%)
$1000 - $2499 (12%)
$500 - $999 (6%)
$100 - $499 (47%)
< $100 (26%)
Engine not specified
Mercury Mountaineer in Georgia, United States Jan 2011 - Feb 2012 | |||
Mar 2011181000 miUS $390 | Unsteady wandering ride. Had alignment, technician said needed new struts. Replaced rear struts - $325.00 + $65.00 for alignment - Self performed in 8.0 hours. Difficult. | ||
Jan 2012208000 miUS $90 | CEL on for EGR malfunction - Replaced EGR with new Motorcraft EGR. Self performed in 1 hour. easy. | ||
Feb 2012210000 miUS $400 | ABS and AdvancTrac Lights on - Replaced both front hub assemblies. Also rotors and brake pads. Self performed in 4.5 hours. Not difficult. |
239-horsepower 4.6L V8 5-speed automatic RWD
Mercury Mountaineer in South Carolina, United States Mar 2010 - Feb 2012 | |||
Apr 2010124000 mi | Car shuts off while driving, sometimes while accelerating, other times while cruising. | ||
Mar 2011149000 miUS $20 | condensation in sparkplug area | ||
Feb 2012158000 mi | condensation in sparkplug area again, just dry it out |
239-horsepower 4.6L V8 5-speed automatic AWD
Mercury Mountaineer in Texas, United States May 2015 - Oct 2016 | |||
Mar 201695000 miUS $3200 | Complete trans rebuild. Weak transmission. rnThis is a very common problem with Ford Explorer & Mercury Mountaineer. |
Mercury Mountaineer in Colorado, United States Aug 2013 - Jan 2017 | |||
Mar 2015153000 miUS $120 | Broken Sway bar. Both Connectors replaced. | ||
Jul 2015155300 miUS $300 | had to replace coil | ||
Oct 2015157500 miUS $1192 | fuel pump | ||
Nov 2015158100 miUS $622 | 1 coil, 8 plugs, 6 boots |
Mercury Mountaineer in Minnesota, United States Nov 2008 - May 2010 | |||
May 200949000 miUS $120 | Squeak under drivers side. Turned out to be bushings. Replaced, and car runs fine. |
Mercury Mountaineer in New Jersey, United States Dec 2013 - Mar 2015 | |||
Jan 2014US $2175 | replaced entire steering system |
Mercury Mountaineer in Pennsylvania, United States Feb 2010 - Sep 2011 | |||
Jul 201086000 miUS $350 | inner hub bearing replaced. Driver's/Front | ||
Aug 201086000 mi | Replaced inner tie rod. Passenger side. | ||
Sep 2011110000 miUS $70 | Upper & lower ball joints changed. Drivers side. Air pressure sensor warning light. Replaced two sensors. Warning light still on after 400 miles. |
Mercury Mountaineer in Alaska, United States Jul 2009 - Jun 2014 | |||
Oct 200946200 mi | Transmission fluid leaking from vent tube. Dealer unable to find cause. | ||
Aug 201050900 mi | Replace transmission lines (dealer noticed leak while doing brakes), repair transmission cooler lines, transmission service including new fluid and filter, replace fuel filter. | ||
Dec 201155000 miUS $409 | Leaking transmission cooler lines. Malfunctioning tire pressure sensor. | ||
Jun 201256000 miUS $2520 | Hard shifts, intermittent "check transmission" and "overdrive" lights. Dealer re-sleeved the servo bores. | ||
Oct 201258000 miUS $350 | Hard shifting, transmission light was on. Dealer replaced transmission main control valve. | ||
Feb 201359200 mi | Transmission light came on (recurring problem), accompanied by hard shifting. Dealer was unable to duplicate the problem, advised bringing the vehicle back next time light comes on, without turning vehicle off. | ||
Sep 201362000 miUS $455 | Alternator stopped charging battery. Replaced. Also replaced serpentine belt. |
Mercury Mountaineer in Illinois, United States Sep 2015 - Mar 2018 | |||
Mar 2018143000 miUS $300 | Replaced Alternator |
210-horsepower 4.0L V6 5-speed automatic RWD
Mercury Mountaineer in Florida, United States Aug 2011 - Jul 2012 | |||
May 2012103400 mi | Thermostat housing. | ||
Jul 2012107000 mi | Upper and lower control arms. |
210-horsepower 4.0L V6 5-speed automatic AWD
Mercury Mountaineer in Georgia, United States Sep 2014 - Dec 2014 | |||
Dec 201495000 miUS $4500 | The engine DIED the,after I fixed the transmission. end of the truck. |
Mercury Mountaineer in Indiana, United States Jun 2015 - Jun 2020 | |||
Jul 2015108300 miUS $100 | Plastic thermostat housing block sprung a leak. | ||
Jan 2017US $200 | Voltage drops when A/C compressor turns on and headlights go dim. Replaced battery and alternator. Still have the same problem. Changed serpentine belt, belt tensioner, and idler pulley due to belt squealing. | ||
Apr 2018119000 miUS $10 | Turn signal relay was replaced |
Mercury Mountaineer in Illinois, United States Jan 2013 - Jun 2018 | |||
Jun 201381000 miUS $2000 | wheel bearings replaced rear, front wheel bearing housings replaced rear differential bearings replaced | ||
Apr 201490500 miUS $1050 | New struts and springs all the way around | ||
Jul 2015103300 miUS $175 | Idler tension pulley and belt. | ||
Sep 2016116000 miUS $650 | Upper ball joints, front wheel bearings, rear hatch glass hinges | ||
Apr 2017120000 miUS $350 | no repair plus upper ball joints | ||
Feb 2018136000 miUS $20 | Needed new thermostat | ||
Jun 2018137000 miUS $128 | alternator replacement |