2009 Mercury Mountaineer Electrical system Problems
- Complaints
- 1about this part
- Share
- 17%of 6 total for the year
- Median mileage
- 71,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the electrical system of the 2009 Mercury Mountaineer, 17% of the 6 complaints for this model year. Where a mileage was given, the median is 71,000 miles.
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.
“Have a 2009 Mercury Mountaineer with 71,000 miles. In the past 10 days, have had four incidents where, while driving, the driver's side power front seat has suddenly reverted to the easy exit position. We bought this car used with 22,000 miles. Have had the car for four years. My wife and I are tall; however, even at that, while driving at speeds between 55-70 (on turnpikes and major highways), this is still an issue. …”
NHTSA complaint #10592417, filed 2014-05, 71,000 milesRelated service bulletins
- 10055318Mar 1, 2014Ford/mercury: to prevent harness damage, on some vehicles, resulting in contact with tire or suspension components, proper routing of wiring harness for wheel speed sensor is…
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2010 | 1 | 8% |
| 2009 | 1 | 17% |
| 2008 | 39 | 41% |
| 2007 | 16 | 20% |
| 2006 | 9 | 8% |
| 2005 | 5 | 6% |
| 2004 | 16 | 8% |
| 2003 | 11 | 7% |
| 2002 | 19 | 5% |
| 2000 | 19 | 15% |
| 1999 | 10 | 7% |
| 1998 | 21 | 9% |
| 1997 | 15 | 5% |
Other parts of the 2009 Mercury Mountaineer
2 complaintsSteering
2 complaintsBrakes
1 complaintsOther or unknown
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2009 Mercury Mountaineer
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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