YearToAvoid

2006 Mercury Mariner Hybrid Reliability Data: Problems & Recalls

Good The 2006 Mercury Mariner Hybrid ranks 4th out of 6 model years with a complaint index of 40 and a Good verdict, based on 34 NHTSA complaints and no recalls. Brakes are the top concern, making up 38% of complaints.

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

YearToAvoid Scorecard

Complaint Index
40/100
#4 of 6 Mariner Hybrid years
Verdict
Good
vs. other years of this model
Complaints
34
unique NHTSA reports
Recalls
0
distinct NHTSA campaigns
Crashes
2
reported in complaints
Fires
0
Injuries
0
Top issue
Brakes
Best nearby year
2010
rated Best
NHTSA overall rating
Not rated
EPA combined MPG
27
28 city / 26 hwy
Injuries / deaths
0 / 0

Top 2006 Mercury Mariner Hybrid problems

Share of this year’s NHTSA 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%)

A complaint can list more than one component, so shares add up to more than 100%. Shares are % of complaints.

What owners report

  • Anti-lock brake system triggers unexpectedly on dry pavement, causing repeated lock-up and release cycles at low speed.
  • Brake pedal feel fades or fails, sometimes with the ABS and brake warning lights on, in one case leading to a crash.
  • Gasoline engine shuts off suddenly at highway or cruising speed, showing a "stop safely now" message with no electric drive backup.
  • Vehicle stalls at low speed with the stop engine light on and will not restart until towed for diagnosis.
  • Transmission refuses to move from a stop after idling, requiring a full restart before the accelerator responds.
  • Wiring controlling the hydraulic pump for the ABS brake system triggers a brake system failure message on the driver display.
2006 Mercury Mariner Hybrid complaints: complaints filed per month3Nov 2009Sep 2010Aug 2012Jan 2014Mar 2015Jun 2016Dec 2018
34 complaints filed with NHTSA from Nov 2009 to Dec 2021; peak Dec 2018 (3).

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 reliable?
Based on NHTSA owner complaints and recalls, the 2006 model year has a complaint index of 40 and a Good verdict relative to other Mariner Hybrid years, ranking 4th out of 6.
What is the biggest problem with the 2006 Mercury Mariner Hybrid?
Brakes are the top problem area, accounting for 38% of complaints, including reports of ABS activating on dry pavement and brake pedal failure.
Does the 2006 Mercury Mariner Hybrid have any recalls?
NHTSA lists no recalls for the 2006 Mercury Mariner Hybrid.
How does the 2006 Mariner Hybrid compare to other years?
The 2006 model has a complaint index of 40, better than the 2008 (100, Avoid) and 2009 (80, Avoid) model years, but worse than the 2010 model (20, Best).
What is the fuel economy of the 2006 Mercury Mariner Hybrid?
The EPA rates it at 27 mpg combined (28 city / 26 highway), with an estimated annual fuel cost of $2,400.

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.