YearToAvoid

2006 Mercury Mariner Hybrid Problems, Recalls & Reliability

Verdict

Good

Complaint Index

40/100

#4 most-complained of 6 Mariner Hybrid years

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

The 2006 Mercury Mariner Hybrid has 34 owner complaints and 0 safety recalls on file with NHTSA. Its Complaint Index is 40 out of 100 — #4 highest of 6 Mariner Hybrid model years (verdict: Good). The most reported problem area is brakes (13 complaints, 38% of the total). Complaints report 2 crashes.

Complaints
34
Recalls
0
Crashes / fires
2 / 0
Injuries / deaths
0 / 0
NHTSA overall rating
Not rated
EPA combined MPG
27
28 city / 26 hwy

Top 2006 Mercury Mariner Hybrid problems

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

  1. Brakes13 (38%)
  2. Engine12 (35%)
  3. Electrical System8 (24%)
  4. Fuel System5 (15%)
  5. Steering5 (15%)
  6. Transmission & Powertrain5 (15%)
  7. Other1 (3%)
2006 Mercury Mariner Hybrid complaints: complaints filed per month5Nov 2009Sep 2010Aug 2012Jan 2014Mar 2015Jun 2016Dec 2018
49 complaints filed with NHTSA from Nov 2009 to Dec 2021; peak Mar 2015 (5).

2006 Mercury Mariner Hybrid recalls

No safety recalls on record for this model year.

2006 Mercury Mariner Hybrid fuel economy and fuel cost

City
28 MPG
Highway
26 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.

2006 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

All Mercury Mariner Hybrid years: best and worst →

Frequently asked questions

Is the 2006 Mercury Mariner Hybrid a reliable year?
Judged by NHTSA owner complaints and recalls, the 2006 Mercury Mariner Hybrid ranks #4 of 6 among Mariner Hybrid model years (Complaint Index 40/100, verdict: Good). It has 34 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 2006 Mercury Mariner Hybrid?
The most reported problem areas are brakes (13 complaints), engine (12 complaints), and electrical system (8 complaints). The median mileage at the time of failure in complaints that report it is 104,000 miles.
Does the 2006 Mercury Mariner Hybrid have any recalls?
No safety recall campaigns list the 2006 Mercury Mariner Hybrid in NHTSA’s recall database at the time of the last data update.
What is the fuel economy of the 2006 Mercury Mariner Hybrid?
EPA rates the 2006 Mercury Mariner Hybrid at 27 MPG combined (28 city / 26 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.