YearToAvoid

2006 Mercury Montego Reliability Data: Problems & Recalls

No verdict The 2006 Mercury Montego has 85 NHTSA complaints and a complaint index of 50, ranking 2nd worst out of 3 model years covered. Engine issues (41% of complaints) and transmission/powertrain problems (33%) dominate, with a median failure mileage of 66,000 miles.

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

YearToAvoid Scorecard

Complaint Index
50/100
#2 of 3 Montego years
Verdict
No verdict
vs. other years of this model
Complaints
85
unique NHTSA reports
Recalls
0
distinct NHTSA campaigns
Crashes
5
reported in complaints
Fires
1
Injuries
4
Top issue
Engine
Best nearby year
—
no alternative with data
NHTSA overall rating
Not rated
EPA combined MPG
20
18 city / 25 hwy
Injuries / deaths
4 / 0

Top 2006 Mercury Montego problems

Share of this year’s NHTSA complaints by component group. Groups with 15+ complaints have their own page.

  1. Engine35 (41%)
  2. Transmission & Powertrain28 (33%)
  3. Electrical System10 (12%)
  4. Fuel System9 (11%)
  5. Brakes7 (8%)
  6. Suspension, Wheels & Tires7 (8%)
  7. Structure & Body5 (6%)
  8. Airbags4 (5%)
  9. Other3 (4%)
  10. Seat Belts3 (4%)

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

What owners report

  • Engine surges or accelerates unexpectedly at low speeds, sometimes causing the vehicle to hit another object.
  • Vehicle lunges forward or backward when shifted into drive or reverse, damaging bumpers or nearby structures.
  • Airbags fail to deploy during side or rear-end collisions despite visible vehicle damage.
  • Serpentine belt fractures accompanied by a burning smell and sudden loss of power steering.
  • Electrical failures cause headlights and engine to shut off while driving at highway speed.
  • Accelerator pedal sticks, causing the engine to hold high RPM until manually shut off.
2006 Mercury Montego complaints: complaints filed per quarter82005 Q42008 Q32010 Q42012 Q32014 Q32016 Q22019 Q2
85 complaints filed with NHTSA from 2005 Q4 to 2026 Q2; peak 2011 Q3 (8).

2006 Mercury Montego recalls

No safety recalls on record for this model year.

2006 Mercury Montego fuel economy and fuel cost

City
18 MPG
Highway
25 MPG
Combined
20 MPG
Annual fuel cost (EPA)
$3,250
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 Montego years

Complaint Index by model year (0 = fewest issues, 100 = most)0255075100200520062007
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2005No verdict100135220
2006No verdict5085020
2007No verdict036120

All Mercury Montego years: best and worst →

Frequently asked questions

How many complaints does the 2006 Mercury Montego have?
NHTSA lists 85 complaints for the 2006 Mercury Montego, with a complaint index of 50.
What is the top problem area for the 2006 Montego?
Engine problems make up 41% of complaints (35 of 85), followed by transmission and powertrain issues at 33%.
Are there any recalls for the 2006 Mercury Montego?
NHTSA lists 0 recalls for the 2006 Mercury Montego, including 0 do-not-drive recalls.
How does the 2006 Montego compare to other years?
The 2006 model ranks 2nd worst of 3 model years with data, with a complaint index of 50 versus 100 for 2005 and 0 for 2007.
At what mileage do problems typically appear?
The median mileage at failure across complaints is 66,000 miles, with engine issues around 67,756 miles and transmission issues around 75,214 miles.

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.