YearToAvoid

2009 Mercury Mountaineer Problems, Recalls & Reliability

Verdict

Best

Complaint Index

0/100

#6 most-complained of 6 Mountaineer years

Based on NHTSA complaints per model-year, not a reliability rating. Methodology

The 2009 Mercury Mountaineer has 6 owner complaints and 0 safety recalls on file with NHTSA. Its Complaint Index is 0 out of 100 — #6 highest of 6 Mountaineer model years (verdict: Best). The most reported problem area is steering (2 complaints, 33% of the total).

Complaints
6
Recalls
0
Crashes / fires
0 / 0
Injuries / deaths
0 / 0
NHTSA overall rating
Not rated
EPA combined MPG
16
14 city / 19.5 hwy

Top 2009 Mercury Mountaineer problems

NHTSA owner complaints by component group. Groups with 15+ complaints have their own page.

  1. Steering2 (33%)
  2. Structure & Body2 (33%)
  3. Brakes1 (17%)
  4. Electrical System1 (17%)
  5. Engine1 (17%)
  6. Other1 (17%)
2009 Mercury Mountaineer complaints: complaints filed per month2Sep 2010May 2013May 2014Mar 2015Mar 2018Nov 2022
8 complaints filed with NHTSA from Sep 2010 to Nov 2022; peak May 2014 (2).

2009 Mercury Mountaineer recalls

No safety recalls on record for this model year.

2009 Mercury Mountaineer fuel economy and fuel cost

City
14 MPG
Highway
19.5 MPG
Combined
16 MPG
Annual fuel cost (EPA)
$4,050
15,000 mi/yr
Fuel
Regular
Current regular gas
$4.32/gal
national avg.

EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.

2009 compared with other Mountaineer years

Complaint Index by model year (0 = fewest issues, 100 = most)0255075100200520062007200820092010
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2007Caution6081015
2008Avoid8096115.5
2009Best06016
2010Best2013116

All Mercury Mountaineer years: best and worst →

Frequently asked questions

Is the 2009 Mercury Mountaineer a reliable year?
Judged by NHTSA owner complaints and recalls, the 2009 Mercury Mountaineer ranks #6 of 6 among Mountaineer model years (Complaint Index 0/100, verdict: Best). It has 6 complaints and 0 recalls on file. This reflects reported safety-related problems, not an overall reliability rating.
What are the most common problems with the 2009 Mercury Mountaineer?
The most reported problem areas are steering (2 complaints), structure & body (2 complaints), and brakes (1 complaints). The median mileage at the time of failure in complaints that report it is 47,000 miles.
Does the 2009 Mercury Mountaineer have any recalls?
No safety recall campaigns list the 2009 Mercury Mountaineer in NHTSA’s recall database at the time of the last data update.
What is the fuel economy of the 2009 Mercury Mountaineer?
EPA rates the 2009 Mercury Mountaineer at 16 MPG combined (14 city / 19.5 highway), with an estimated annual fuel cost of $4,050. Where several configurations exist, the median is shown.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.