2006 Mercury MountaineerProblems, recalls & complaints

NHTSA has logged 117 owner complaints about the 2006 Mercury Mountaineer, most often about the engine and engine cooling. It is covered by 1 safety recall.

2006 Mercury Mountaineer

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through December 27, 2022. Updated daily. Photo: Clock38030, CC BY 4.0.

Complaints by system

Where the 2006 Mercury Mountaineer has problems

117 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Engine and engine cooling431
Power train394
Engine141
Electrical system92
Structure70
Seats61
Fuel system, gasoline30
Vehicle speed control30
Wheels20
12 other systems175

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

1 recall

2006 Mercury Mountaineer recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

–no report yet

Windshield wiper/washer: motor

Recall 05V-520 · Nov 9, 2005 · 199,942 vehicles

Risk. AFTER A PERIOD OF CONTINUOUS USE ON THE HIGH SPEED SETTING, LACK OF GREASE ON THE OUTPUT SHAFT GEAR MAY CAUSE THE GEAR TO DISTORT OR FRACTURE DURING OPERATION…

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mercury.

Mileage at failure

When do engine and engine cooling problems start?

57kmiles, median

Based on the odometer reading in 36 engine and engine cooling complaints. 92% were reported before 100,000 miles.

median0k50k100k150k200k+
2under 30k miles33under 100k miles3100k miles or more
Best & worst years

2006 vs. every other Mountaineer year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Mountaineer median. How we score

'96'97'98'99'00'01'02'03'04'05'06'07'08'09'10
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
NHTSA crash tests

2006 Mercury Mountaineer safety ratings

2006 Mercury Mountaineer 4-DR. w/SAB in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.

  • Rollover: 3 stars (22.8% risk)
  • Stability control: Standard
  • Forward collision warning: No
  • Lane departure warning: No
In owners' words

What Mountaineer owners report

Recent engine and engine cooling complaints filed with NHTSA, shortened. Personal details are removed.

The contact owns a 2006 Mercury Mountaineer. The contact stated that her husband informed her that the vehicle had experienced an unknown radiator failure. The vehicle was taken to an independent mechanic, where the radiator was replaced; however, the failure reoccurred. The vehicle was repaired…
Complaint 11498964 · Dec 27, 2022 · 143,869 miles
TL* THE CONTACT OWNS A 2006 MERCURY MOUNTAINEER. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 25 MPH, AN UNKNOWN WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC WHERE THE RADIATOR WAS REPLACED, BUT THE FAILURE RECURRED. THE VEHICLE WAS THEN TAKEN TO AN…
Complaint 10679247 · Jan 27, 2015 · 106,000 miles
2006 MERCURY MOUNTAINEER. CONSUMER WRITES IN REGARDS TO FAILURE OF THE WATER MANIFOLD HOUSING. *SMD THE CONSUMER STATED HE WAS DRIVING 70 MPH, WHEN THE ENGINE LIGHT ILLUMINATED. THE VEHICLE BEGAN TO OVERHEAT AND STEAM WAS COMING FROM UNDER THE HOOD. THE WATER MANIFOLD HOUSING HAD COME APART,…
Complaint 10637899 · Sep 29, 2014

Own a 2006 Mountaineer?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.