EnginePart report
2003 Mercury Mountaineer Engine Problems
- Complaints
- 1about this part
- Share
- 1%of 152 total for the year
- Median mileage
- 140,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine of the 2003 Mercury Mountaineer, 1% of the 152 complaints for this model year. Where a mileage was given, the median is 140,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2010 | 3 | 23% |
| 2008 | 6 | 6% |
| 2007 | 5 | 6% |
| 2006 | 14 | 12% |
| 2005 | 7 | 9% |
| 2004 | 8 | 4% |
| 2003 | 1 | 1% |
| 2002 | 2 | 1% |
| 2001 | 1 | 5% |
| 2000 | 4 | 3% |
| 1998 | 2 | 1% |
Other parts of the 2003 Mercury Mountaineer
Body and structure
59 complaintsTransmission and drivetrain
42 complaintsElectrical system
11 complaintsBrakes
10 complaintsEngine cooling
10 complaintsSuspension
10 complaintsAir bags
9 complaintsVehicle speed control
9 complaintsFuel system
7 complaintsVisibility (wipers, defrost, mirrors)
7 complaintsLatches, locks and linkages
6 complaintsOther or unknown
6 complaints
59 complaintsTransmission and drivetrain
42 complaintsElectrical system
11 complaintsBrakes
10 complaintsEngine cooling
10 complaintsSuspension
10 complaintsAir bags
9 complaintsVehicle speed control
9 complaintsFuel system
7 complaintsVisibility (wipers, defrost, mirrors)
7 complaintsLatches, locks and linkages
6 complaintsOther or unknown
6 complaints
← All problems reported for the 2003 Mercury Mountaineer
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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