2005 Mercury Mountaineer Mercury Mountaineer 2005

We are 103,000+ car owners sharing real-world car information.

Join Us

2005 Mercury Mountaineer repairs by problem area

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%)

Select a problem area

Need advice about a specific Mercury Mountaineer problem?

Chart based on 42 repairs.
See TSBs and recalls for the 2005 Mercury Mountaineer.

2005 Mercury Mountaineer repair cost distribution

$2500+ (9%)

$1000 - $2499 (12%)

$500 - $999 (6%)

$100 - $499 (47%)

< $100 (26%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 34 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2005 Mercury Mountaineer

Engine not specified

Mercury Mountaineer in Georgia, United States
Jan 2011 - Feb 2012
Mar 2011

181000 mi

US $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 2012

208000 mi

US $90
CEL on for EGR malfunction - Replaced EGR with new Motorcraft EGR. Self performed in 1 hour. easy. 
Feb 2012

210000 mi

US $400
ABS and AdvancTrac Lights on - Replaced both front hub assemblies. Also rotors and brake pads. Self performed in 4.5 hours. Not difficult. 

Return to top

2005 Mercury Mountaineer 4dr SUV

239-horsepower 4.6L V8 5-speed automatic RWD

Mercury Mountaineer in South Carolina, United States
Mar 2010 - Feb 2012
Apr 2010

124000 mi
Car shuts off while driving, sometimes while accelerating, other times while cruising. 
Mar 2011

149000 mi

US $20
condensation in sparkplug area 
Feb 2012

158000 mi
condensation in sparkplug area again, just dry it out 

Return to top

2005 Mercury Mountaineer 4dr SUV

239-horsepower 4.6L V8 5-speed automatic AWD

Mercury Mountaineer in Texas, United States
May 2015 - Oct 2016
Mar 2016

95000 mi

US $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 2015

153000 mi

US $120
Broken Sway bar. Both Connectors replaced. 
Jul 2015

155300 mi

US $300
had to replace coil 
Oct 2015

157500 mi

US $1192
fuel pump 
Nov 2015

158100 mi

US $622
1 coil, 8 plugs, 6 boots 
Mercury Mountaineer in Minnesota, United States
Nov 2008 - May 2010
May 2009

49000 mi

US $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 2014

US $2175
replaced entire steering system 
Mercury Mountaineer in Pennsylvania, United States
Feb 2010 - Sep 2011
Jul 2010

86000 mi

US $350
inner hub bearing replaced. Driver's/Front 
Aug 2010

86000 mi
Replaced inner tie rod. Passenger side. 
Sep 2011

110000 mi

US $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 2009

46200 mi
Transmission fluid leaking from vent tube. Dealer unable to find cause. 
Aug 2010

50900 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 2011

55000 mi

US $409
Leaking transmission cooler lines. Malfunctioning tire pressure sensor. 
Jun 2012

56000 mi

US $2520
Hard shifts, intermittent "check transmission" and "overdrive" lights. Dealer re-sleeved the servo bores. 
Oct 2012

58000 mi

US $350
Hard shifting, transmission light was on. Dealer replaced transmission main control valve. 
Feb 2013

59200 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 2013

62000 mi

US $455
Alternator stopped charging battery. Replaced. Also replaced serpentine belt. 
Mercury Mountaineer in Illinois, United States
Sep 2015 - Mar 2018
Mar 2018

143000 mi

US $300
Replaced Alternator 

Return to top

2005 Mercury Mountaineer 4dr SUV

210-horsepower 4.0L V6 5-speed automatic RWD

Mercury Mountaineer in Florida, United States
Aug 2011 - Jul 2012
May 2012

103400 mi
Thermostat housing. 
Jul 2012

107000 mi
Upper and lower control arms. 

Return to top

2005 Mercury Mountaineer 4dr SUV

210-horsepower 4.0L V6 5-speed automatic AWD

Mercury Mountaineer in Georgia, United States
Sep 2014 - Dec 2014
Dec 2014

95000 mi

US $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 2015

108300 mi

US $100
Plastic thermostat housing block sprung a leak. 
Jan 2017

US $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 2018

119000 mi

US $10
Turn signal relay was replaced 
Mercury Mountaineer in Illinois, United States
Jan 2013 - Jun 2018
Jun 2013

81000 mi

US $2000
wheel bearings replaced rear, front wheel bearing housings replaced rear differential bearings replaced 
Apr 2014

90500 mi

US $1050
New struts and springs all the way around 
Jul 2015

103300 mi

US $175
Idler tension pulley and belt. 
Sep 2016

116000 mi

US $650
Upper ball joints, front wheel bearings,  rear hatch glass hinges 
Apr 2017

120000 mi

US $350
no repair plus upper ball joints 
Feb 2018

136000 mi

US $20
Needed new thermostat 
Jun 2018

137000 mi

US $128
alternator replacement 

Return to top

See TrueDelta's information for all SUVs
See TrueDelta's information for all Mercury models.

2005 Mercury Mountaineer Repair Histories

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2005 Mercury Mountaineer problems occur, check out our car reliability stats.