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2003 Mercury Mountaineer reliability record

Every consumer complaint and recall the U.S. government (NHTSA) has on file for the 2003 Mercury Mountaineer — the repair risk behind the ownership cost.

Source-verified · 2026NHTSA Office of Defects Investigation Official source ↗
NHTSA complaints
220
1 in the last 5 years
Top problem area
STRUCTURE:BODY
26 complaints
Recalls on record
0
none on record
Reported harm
8 reported crashes · 11 injuries · 7 fires

How this record compares

raw NHTSA counts, not defect rates

Complaint rank

#2,365

of 4,194 vehicle records

Vs Mercury median

-9

median 229 across 90 Mercury records

Vs 2001-2005

-32

median 252 complaints in 794 records

Top component share

19%

Structure: 41 complaints

What owners report fails — 2003 Mercury Mountaineer

  • STRUCTURE:BODY 26
  • POWER TRAIN:AUTOMATIC TRANSMISSION 19
  • STRUCTURE:BODY:HATCHBACK/LIFTGATE 15
  • POWER TRAIN 15
  • ELECTRICAL SYSTEM 10

Estimate the 5-year cost to own a 2003 Mercury Mountaineer

A vehicle's complaint record hints at the repair and maintenance budget you'll need. Add your state, purchase price, and mileage to the TCO calculator for the full picture.

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These are unverified consumer reports and manufacturer recalls filed with the National Highway Traffic Safety Administration — not validated defect rates, and not adjusted for how many 2003 Mercury Mountaineer units were produced or sold. High-volume and older vehicles naturally accumulate more complaints. Use this as one research signal, not a verdict on any individual vehicle. Data as of 2026. Source: NHTSA Office of Defects Investigation (public domain).

Frequently asked questions

Is the 2003 Mercury Mountaineer reliable?

NHTSA has 220 consumer complaints on record for the 2003 Mercury Mountaineer. The most-reported problem area is structure:body (26 reports). These are unverified consumer reports filed with the government, not validated failure rates, and are not adjusted for how many 2003 Mercury Mountaineer units were produced — popular vehicles naturally accumulate more reports.

What are the most common problems with the 2003 Mercury Mountaineer?

Owners most often report problems with: structure:body (26), power train:automatic transmission (19), structure:body:hatchback/liftgate (15), power train (15). Each figure is the number of complaints filed with NHTSA for this exact model year.

How much does it cost to own a 2003 Mercury Mountaineer?

Ownership cost depends on your state taxes, insurance, fuel, and the maintenance the vehicle's reliability record implies. Use the CarOutlay 5-year TCO calculator to estimate the full cost including the repair risk this complaint record suggests.

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