YearToAvoid

2007 Mercury Mariner Hybrid Problems, Recalls & Reliability

Verdict

Caution

Complaint Index

60/100

#3 most-complained of 6 Mariner Hybrid years

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

The 2007 Mercury Mariner Hybrid has 31 owner complaints and 0 safety recalls on file with NHTSA. Its Complaint Index is 60 out of 100 — #3 highest of 6 Mariner Hybrid model years (verdict: Caution). The most reported problem area is engine (10 complaints, 32% of the total). Complaints report 1 crash and 1 injury.

Complaints
31
Recalls
0
Crashes / fires
1 / 0
Injuries / deaths
1 / 0
NHTSA overall rating
Not rated
EPA combined MPG
27
28 city / 27 hwy

Top 2007 Mercury Mariner Hybrid problems

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

  1. Engine10 (32%)
  2. Brakes8 (26%)
  3. Fuel System5 (16%)
  4. Electrical System4 (13%)
  5. Other3 (10%)
  6. Structure & Body3 (10%)
  7. Transmission & Powertrain3 (10%)
  8. Steering2 (6%)
  9. Suspension, Wheels & Tires1 (3%)
2007 Mercury Mariner Hybrid complaints: complaints filed per month3Apr 2010Mar 2011May 2012Aug 2013Jan 2015Jan 2016Sep 2023
39 complaints filed with NHTSA from Apr 2010 to Sep 2023; peak Apr 2013 (3).

2007 Mercury Mariner Hybrid recalls

No safety recalls on record for this model year.

2007 Mercury Mariner Hybrid fuel economy and fuel cost

City
28 MPG
Highway
27 MPG
Combined
27 MPG
Annual fuel cost (EPA)
$2,400
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.

2007 compared with other Mariner Hybrid years

Complaint Index by model year (0 = fewest issues, 100 = most)0255075100200620072008200920102012
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2006Good4034027
2007Caution6031027
2008Avoid100116030
2009Avoid8021030

All Mercury Mariner Hybrid years: best and worst →

Frequently asked questions

Is the 2007 Mercury Mariner Hybrid a reliable year?
Judged by NHTSA owner complaints and recalls, the 2007 Mercury Mariner Hybrid ranks #3 of 6 among Mariner Hybrid model years (Complaint Index 60/100, verdict: Caution). It has 31 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 2007 Mercury Mariner Hybrid?
The most reported problem areas are engine (10 complaints), brakes (8 complaints), and fuel system (5 complaints). The median mileage at the time of failure in complaints that report it is 70,000 miles.
Does the 2007 Mercury Mariner Hybrid have any recalls?
No safety recall campaigns list the 2007 Mercury Mariner Hybrid in NHTSA’s recall database at the time of the last data update.
What is the fuel economy of the 2007 Mercury Mariner Hybrid?
EPA rates the 2007 Mercury Mariner Hybrid at 27 MPG combined (28 city / 27 highway), with an estimated annual fuel cost of $2,400. 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.