2004 Mercury Mountaineer Mercury Mountaineer 2004

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2004 Mercury Mountaineer repairs by problem area

Engine (27%)

Transmission and Drivetrain (16%)

Brakes and Traction Control (2%)

Suspension and Steering (30%)

Electrical and Air Conditioning (16%)

Paint, Rust, Leaks, Rattles, and Trim (2%)

Other (7%)

Chart based on 44 repairs.
See TSBs and recalls for the 2004 Mercury Mountaineer.

2004 Mercury Mountaineer repair cost distribution

$2500+ (0%)

$1000 - $2499 (3%)

$500 - $999 (30%)

$100 - $499 (46%)

< $100 (22%)

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

Chart based on 37 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2004 Mercury Mountaineer 4dr SUV

239-horsepower 4.6L V8 5-speed automatic RWD

Mercury Mountaineer in Missouri, United States
Oct 2010 - May 2015
Dec 2010

66000 mi

US $20
CEL came on 2 days after I bought the truck-dang!. Autozone diagnosed code as low coolant temp. I bought a thermostat and gallon of antifreeze at my local mom & pop parts store and replaced the thermostat in under an hour in my garage. 
Jun 2013

120000 mi

US $7
Driver side sun visor bracket plastic shattered. Fabricated replacement bracket out of surviving pieces and jb weld putty. 
Sep 2014

135000 mi
EGR pressure code. Check engine light. Not effecting vehicle performance. 
May 2015

143000 mi
Differential whine 

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2004 Mercury Mountaineer 4dr SUV

239-horsepower 4.6L V8 5-speed automatic AWD

Mercury Mountaineer in Colorado, United States
Jul 2010 - Nov 2010
Sep 2010

111000 mi

US $703
Rear wheel bearings reamed out for the fourth time.  Replaced all bearings, seals, rear end housing, and ajdusted the ring gear and pinion. Grooved axle unnoticed in previous repair causing seal failure. The loss of lubricant caused the failure of wheel bearings. Required replacement of carrier bearings, wheel bearings, ring gear and pinion, and all seals. 
Mercury Mountaineer in Rhode Island, United States
Sep 2008 - Jun 2018
Oct 2008

73000 mi
TPMS Tire Valve Stem faulty, reports tire inflation level low. Tire is fully inflated. Pinion seal leaking and rear axle seal leaking 
Dec 2008

74000 mi

US $810
Both front wheel hubs needed to be replaced due to a loud gear whinning noise coming from the front of the vehicle Changed both front wheels hubs due to high whining noise 
May 2009

81000 mi

US $249
Engine starter motor needed to be replaced due to a dead spot. Truck would randomly refused to start due to no starter motor activity 
May 2010

99200 mi

US $169
Starter Motor not working, wire corroded & broke. Tire pressure sensor needed to be replaced on 1 tire. 
Mar 2011

115000 mi

US $800
Upper & Lower Balls Joints, Sway Bar bushings, Sway Bar end links 
Aug 2011

123000 mi

US $275
Sway bar bushings & end link bushings replaced 
May 2013

157300 mi

US $350
Both Idler Pulleys need to be replaced. Bearings were shot. 
Jan 2014

152800 mi

US $290
The starter quit working and was replaced. 
May 2015

179300 mi

US $100
The hood latch rusted and became inoperable. 
Feb 2016

181300 mi

US $210
ABS Light stays illuminated, Wheel Hub w/ sensor needed to be replaced. Engine would skip on cylinder #8. Spark plug & coil was replaced. Engine oil filter adaptor was leaking oil through the gasket. The gasket was replace & oil change performed. 
Mar 2018

204000 mi

US $1200
Replaced muffler and tailpipe Replaced brake pads and brake rotors. Replaced all four strut assemblies  and front right wheel hub 
Apr 2018

204000 mi

US $50
Oil Filter adaptor developed another leak. I went to a new repair shop to have the gasket replaced. 
Mercury Mountaineer in New Jersey, United States
Feb 2011 - Apr 2011
Apr 2011

96000 mi

US $180
LFT FRONT HUB BEARING MAKING NOISE. REPLACED HUB ASSEMBLY, PROBLEM SOLVED.(DIY) 
Mercury Mountaineer in Virginia, United States
Dec 2009 - Jun 2011
Jan 2010

107000 mi

US $350
Planetary gear came loose in the t/case and started to break links on the chain. I have pics send email, if wanted. Replaced with a used unit by the aftermarket warrantee company 

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2004 Mercury Mountaineer 4dr SUV

210-horsepower 4.0L V6 5-speed automatic AWD

Mercury Mountaineer in New Jersey, United States
Oct 2014 - Jun 2018
Oct 2014

77000 mi

US $175
Rusted exhaust flange, replaced with new split clamp 
Jan 2015

US $261
Driver's side visor and vanity light detached from mounting structure. Needed to replace visor mount and rewire vanity light. Visor was hanging and needed to be taped to roof liner in order to drive car without obstructing driver vision. 
Jul 2015

80000 mi

US $276
Battery would not retain a charge. Alternator was found to be faulty and was replaced. 
Mercury Mountaineer in Pennsylvania, United States
Feb 2010 - Apr 2011
Nov 2010

89000 mi

US $500
Driver's side front wheel bearing replaced 
Apr 2011

96000 mi

US $1100
Cracked flywheel replaced Cracked flywheel replaced 
Mercury Mountaineer in Virginia, United States
Jul 2010 - Sep 2014
Aug 2011

91600 mi

US $550
Car was idling rough and stalling at stops. CE light on. Fuel Pressure sensor failed, promptly diagnosed and replaced. Part had to be ordered through Ford dealer, no aftermarket part.  
Apr 2012

102000 mi

US $300
Upper right ball joint 
Jun 2012

105000 mi

US $650
had to replace both front end wheel bearings. 
Feb 2014

128000 mi

US $420
Won't start. Got full tuneup (plugs and wires) and changed fuel filter 
Aug 2014

134000 mi

US $180
Mass air flow sensor failed 
Mercury Mountaineer in New York, United States
Jan 2009 - Jun 2011
Aug 2009

100000 mi

US $600
REAR WHEEL BEARING 
Sep 2009

105000 mi

US $500
REPLACE BALL JOINTS AND FRONT PINION SEAL 
Jan 2010

115000 mi

US $300
ALTERNATOR AND THERMOSTAT FOR COOLING SYSTEM 
Feb 2010

119000 mi

US $500
wheel bearing failure 

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See TrueDelta's information for all Mercury models.

2004 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 2004 Mercury Mountaineer problems occur, check out our car reliability stats.

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