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BrakesPart report

2003 Mercury Mountaineer Brakes Problems

Complaints
10about this part
Share
7%of 152 total for the year
Median mileage
64,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 10 complaints about the brakes of the 2003 Mercury Mountaineer, 7% of the 152 complaints for this model year. Where a mileage was given, the median is 64,000 miles. 1 a fire, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“2003 Mercury Mountaineer awd 4.0l. We purchased our Mountaineer in june of 2004, with 22,000 miles on the odometer. Approximately 300 miles into our ownership, we experienced a front bearing wine. Dealership covered defect under 3 year / 36,000 mile warranty. Other defects covered...replacement of the rear speed sensor at 23,454 miles. A 2nd ABS problem required a new actuator speed control switch assembly at 28,419 miles. Transmission shift solenoid replaced at 32,075 miles. Driver side passenger window motor replaced at 33,443 miles. Recall on rear glass hatch lift struts at 27,379 miles. …”

NHTSA complaint #10163859, filed 2006-07, 22,300 miles

“Dt: contact states while driving 2003 Mercury Mountaineer she was turning and pressed on the brakes the pedal fell off. The service dealer stated the reason this happened was because the bracket broke. The brake pedal fell off when pressed because a self locking bolt was never installed during assembly.”

NHTSA complaint #10126010, filed 2005-08, 29,000 miles

“After spending hours trying to remove back disc-drums found that the ebrake shoes had released from the linings on both sides rear of a 2003 Mercury Mountaineer the adhesive on the shoes had released from the shoe.”

NHTSA complaint #10323692, filed 2010-04, 80,000 miles

“The rotors were pitted and rusted on the consumers 2003 Mercury Mountaineer. The brakes would take too long to work. The front pads and rear pads were worn, replaced and resurfaced.”

NHTSA complaint #10127971, filed 2005-06, 30,000 miles

“When applying the brakes, sometime the drivers foot hit the gas pedal, and caused a longer stopping distance. The pedals were too close and on the same horizontal plain when the brakes were depressed.”

NHTSA complaint #10034144, filed 2003-09, 21,000 miles

Brakes: other model years

YearComplaintsShare of year
2010538%
2009117%
200855%
200711%
200633%
200556%
200452%
2003107%
2002236%
2001314%
200087%
199996%
199863%
19974012%

Other parts of the 2003 Mercury Mountaineer

Body and structure
59 complaints
Transmission and drivetrain
42 complaints
Electrical system
11 complaints
Engine cooling
10 complaints
Suspension
10 complaints
Air bags
9 complaints
Vehicle speed control
9 complaints
Fuel system
7 complaints
Visibility (wipers, defrost, mirrors)
7 complaints
Latches, locks and linkages
6 complaints
Other or unknown
6 complaints
Steering
6 complaints

← All problems reported for the 2003 Mercury Mountaineer

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology