Complaints
153
Crashes
9
Fires
5
Injuries
8
Fatalities
—
Recalls
0
Worst 2006 Mercury Mountaineer Problems
Top 3 most-reported issues with average mileage at failure.
#123 complaints
Automatic Transmission
Avg mileage:39,766 mi
Crash-related:2
Fires:1
#219 complaints
Engine And Engine Cooling:Cooling System
Avg mileage:56,432 mi
#317 complaints
Engine & Cooling
Avg mileage:58,504 mi
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All Problems by Category
Every NHTSA complaint category for the 2006 Mercury Mountaineer.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Automatic Transmission | 23 | 2 | 1 | 39,766 mi | |
| Engine And Engine Cooling:Cooling System | 19 | — | — | 56,432 mi | |
| Engine & Cooling | 17 | — | — | 58,504 mi | |
| Engine Problems | 14 | — | 1 | 77,404 mi | |
| Transmission / Drivetrain | 14 | — | 1 | 86,600 mi | |
| Electrical Faults | 7 | 1 | 1 | 96,540 mi | |
| Seat-Related Issues | 6 | 1 | — | 142,667 mi | |
| Engine And Engine Cooling:Cooling System:Radiator Assembly | 5 | — | — | 84,423 mi | |
| Body Structure | 5 | — | — | 94,500 mi | |
| Gasoline Fuel System | 3 | — | — | — | |
| Electrical System:Wiring | 2 | — | — | — | |
| Other Equipment | 2 | — | — | — | |
| Headlight/Taillight Failures | 2 | — | — | — | |
| Fuel System | 2 | — | — | — | |
| Structural Problems | 2 | — | — | — | |
| Tire Defects | 2 | 1 | — | — | |
| Unintended Acceleration | 2 | — | — | — | |
| Wheel Issues | 2 | — | — | — | |
| Airbags | 1 | 1 | — | — | |
| Engine And Engine Cooling:Cooling System:Hoses/Lines/Piping/Fittings | 1 | — | — | — | |
| Engine And Engine Cooling:Exhaust System:Emission Control:Catalytic Convertor | 1 | — | — | — | |
| Parking-Brake Issues | 1 | 1 | — | — | |
| Power Train:Automatic Transmission:Control Module (Tcm/Pcm/Tecm) | 1 | — | — | — | |
| Power Train:Automatic Transmission:Lever And Linkage:Floor Shift | 1 | — | — | — | |
| Seat Belt Issues | 1 | — | — | — | |
| Brakes | 1 | — | 1 | — | |
| Hydraulic Brakes | 1 | 1 | — | — | |
| Service Brakes, Hydraulic:Foundation Components:Disc:Rotor | 1 | — | — | — | |
| Service Brakes, Hydraulic:Foundation Components:Drum | 1 | — | — | — |
Automatic Transmission
23
complaints
Crashes
2
Fires
1
Avg Miles
39,766
Engine And Engine Cooling:Cooling System
19
complaints
Crashes
—
Fires
—
Avg Miles
56,432
Engine & Cooling
17
complaints
Crashes
—
Fires
—
Avg Miles
58,504
Engine Problems
14
complaints
Crashes
—
Fires
1
Avg Miles
77,404
Transmission / Drivetrain
14
complaints
Crashes
—
Fires
1
Avg Miles
86,600
Electrical Faults
7
complaints
Crashes
1
Fires
1
Avg Miles
96,540
Seat-Related Issues
6
complaints
Crashes
1
Fires
—
Avg Miles
142,667
Engine And Engine Cooling:Cooling System:Radiator Assembly
5
complaints
Crashes
—
Fires
—
Avg Miles
84,423
Body Structure
5
complaints
Crashes
—
Fires
—
Avg Miles
94,500
Gasoline Fuel System
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Electrical System:Wiring
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Other Equipment
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Headlight/Taillight Failures
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Fuel System
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Structural Problems
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Tire Defects
2
complaints
Crashes
1
Fires
—
Avg Miles
—
Unintended Acceleration
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Wheel Issues
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Airbags
1
complaints
Crashes
1
Fires
—
Avg Miles
—
Engine And Engine Cooling:Cooling System:Hoses/Lines/Piping/Fittings
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Engine And Engine Cooling:Exhaust System:Emission Control:Catalytic Convertor
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Parking-Brake Issues
1
complaints
Crashes
1
Fires
—
Avg Miles
—
Power Train:Automatic Transmission:Control Module (Tcm/Pcm/Tecm)
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Power Train:Automatic Transmission:Lever And Linkage:Floor Shift
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Seat Belt Issues
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Brakes
1
complaints
Crashes
—
Fires
1
Avg Miles
—
Hydraulic Brakes
1
complaints
Crashes
1
Fires
—
Avg Miles
—
Service Brakes, Hydraulic:Foundation Components:Disc:Rotor
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Service Brakes, Hydraulic:Foundation Components:Drum
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2006 Mercury Mountaineer. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Other Mercury Mountaineer Years
2006 Mercury Mountaineer — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2006 Mercury Mountaineer reliable?
Verdict: Typical for Model. The 2006 Mercury Mountaineer has 153 NHTSA complaints, 9 crash-related, and 0 recall campaigns. The most common issue is Automatic Transmission with 23 complaints. Source: NHTSA via VinItel.
What are common problems with the 2006 Mercury Mountaineer?
Top reported problems: Automatic Transmission (23 complaints, avg 39,766 mi); Engine And Engine Cooling:Cooling System (19 complaints, avg 56,432 mi); Engine & Cooling (17 complaints, avg 58,504 mi). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
At what mileage do problems start on the 2006 Mercury Mountaineer?
The weighted average mileage at time of complaint is about 70,035 miles. Some components fail earlier, some later — check the "All Problems by Category" table above for per-issue averages.
How safe is the 2006 Mercury Mountaineer?
NHTSA complaints for the 2006 Mercury Mountaineer include 9 crash-related reports, 5 fire reports, 8 injuries, and 0 fatalities. These are owner-reported incidents, not official crash-test ratings — a complaint being filed doesn't confirm a defect, but clusters around specific components are worth investigating.
Does the 2006 Mercury Mountaineer have any recalls?
No NHTSA recall campaigns have been issued for the 2006 Mercury Mountaineer as of the latest data sync. Verify by VIN for the most current status — new recalls can be issued years after a model year ships.
Should I buy a 2006 Mercury Mountaineer?
Complaint levels are in line with what's expected. Normal used-car due diligence applies — check the specific VIN for accident history, open recalls, and title brands.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full Mercury Mountaineer reliability report with year-by-year comparison and generation analysis.
Check Your Specific 2006 Mercury Mountaineer
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
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