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Electrical systemPart report

2010 Mercury Mountaineer Electrical system Problems

Complaints
1about this part
Share
8%of 13 total for the year
Median mileage
109,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the electrical system of the 2010 Mercury Mountaineer, 8% of the 13 complaints for this model year. Where a mileage was given, the median is 109,000 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.

“The contact owns a 2010 Mercury Mountaineer. The contact stated that the check engine warning light was illuminated. The vehicle was taken to an independent mechanic to be diagnosed. The contact was informed that the computer had provided an incorrect error code. The vehicle was also diagnosed by an authorized Ford tech who confirmed the failure with the computer. The manufacturer was contacted and informed of the failure. The manufacturer referred the contact to the NHTSA to file a complaint. The vehicle was not repaired. The approximate failure mileage was 109,000.”

NHTSA complaint #11468066, filed 2022-06, 109,000 miles

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
201018%
2009117%
20083941%
20071620%
200698%
200556%
2004168%
2003117%
2002195%
20001915%
1999107%
1998219%
1997155%

Other parts of the 2010 Mercury Mountaineer

Brakes
5 complaints
Vehicle speed control
4 complaints
Engine
3 complaints
Fuel system
2 complaints
Steering
2 complaints
Transmission and drivetrain
2 complaints
Interior lighting
1 complaints
Other or unknown
1 complaints
Seat belts
1 complaints
Seats
1 complaints
Body and structure
1 complaints

← All problems reported for the 2010 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