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2006 Mercury Mountaineer

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2006 Mercury Mountaineer do not stand out strongly from the model-year median of 117.

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When problems were reported

Mileage at the reported incident

94 reports with mileage · 23 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Engine And Engine Cooling. Review the 43 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 39 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 14 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

6 crash reports2 fire reports6 injury reports

Structure complaints

7 reports
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123,000 miles · Oct 20, 2019
Structure

2006 MERCURY MOUNTAINEER, 123,000 MILES. NOTICE (BOTTOM) OF BOX SUBFRAME, LOCATED REAR DRIVER SIDE ONLY. FOWARD OF REAR AXLE, HAS EXCESSIVE CORROSION IN A LENGTH OF 8 TO 10 INCHES. CORROSION HAS ROTTED THROUGH THIS AREA. VEHICLE HAS 123000 MILES ON IT. ALSO VEHICLE HAS SURFACE CORROSION ALL OVER BOTTOM OF SUBFRAME. FORD DID N…

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2006 MERCURY MOUNTAINEER, 123,000 MILES. NOTICE (BOTTOM) OF BOX SUBFRAME, LOCATED REAR DRIVER SIDE ONLY. FOWARD OF REAR AXLE, HAS EXCESSIVE CORROSION IN A LENGTH OF 8 TO 10 INCHES. CORROSION HAS ROTTED THROUGH THIS AREA. VEHICLE HAS 123000 MILES ON IT. ALSO VEHICLE HAS SURFACE CORROSION ALL OVER BOTTOM OF SUBFRAME. FORD DID NOT APPLY CORROSION COATINGS ON THIS SUB FRAME PROPERLY. THIS COULD BE A HAZARD FOR OTHER VEHICLES AS WELL AS TIME GOES ON. NOTICE OTHER FORD VEHICLES HAVE NUMEROUS PROBLEMS AND RECALLS WITH SUB FRAME CORROSION, RANGING FROM 2001 THROUGH 2014. FORD'S VENDORS THAT FABRICATE THESE PARTS SHOULD BE UPDATED WITH MODERN PROCEDURES TO APPLY CORROSION PREVENTED COATINGS ON THESE PARTS PROPERLY. SHOULD BE A RECALL ON THESE SECTIONS FOR REPAIR... NO ACCIDENTS, NO ISSUES, AS TIME GOES ON THERE MAYBE PROBLEMS IN THE FUTURE WITH FORD PRODUCTS SUB FRAME CORROSION RESULTING IN ACCIDENTS ON ROADS.

NHTSA ODI #11269593

Mileage unknown · Nov 8, 2016
EngineSeatsStructure

"TAKATA RECALL" PAINTING, SEATS ELECTRIC, LIGHT OF THE ENGINE.

NHTSA ODI #10925106

120,000 miles · Nov 14, 2015
Electrical SystemStructure

SHORTLY AFTER PURCHASING MY MOUNTAINEER THE ELECTRIC RUNNING BOARD ON THE DRIVER SIDE BEGAN TO MAKE A GRINDING SOUND. BOUGHT FROM A DEALER IN WA STATE AND MOVED TO WI STATE WHERE THE DRIVER SIDE STOPPED AND THE PASSENGER SIDE STOPPED EXTENDING/RETRACTING. MOVED TO NJ AND WE HAD PURCHASED THE VEHICLE EXTENDED WARRANTY. BEGAN TO S…

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SHORTLY AFTER PURCHASING MY MOUNTAINEER THE ELECTRIC RUNNING BOARD ON THE DRIVER SIDE BEGAN TO MAKE A GRINDING SOUND. BOUGHT FROM A DEALER IN WA STATE AND MOVED TO WI STATE WHERE THE DRIVER SIDE STOPPED AND THE PASSENGER SIDE STOPPED EXTENDING/RETRACTING. MOVED TO NJ AND WE HAD PURCHASED THE VEHICLE EXTENDED WARRANTY. BEGAN TO SOUND LIKE A KNOCKING SOUND WITH LITTLE POWER AND HAD TOWED TO DEALER. THERE THEY FOUND ALL 8 SPARK PLUGS FOULED, DRIVER SIDE HAD 3 EXHAUST MANIFOLD BOLTS LOOSE. PASSENGER SIDE HAD SAME 3 LOOSE, BUT ALSO HAD 2 BROKEN OFF IN EXHAUST MANIFOLD PLUS THE MANIFOLD ITSELF HAD A HAIRLINE CRACK. IN THE END, I PAID ALMOST $2,000 TO HAVE DRIVER AND PASSENGER RUNNING BOARD AND MOTORS REPLACED. THE REAR WINDSHIELD WIPER MOTOR HAD GONE BAD AND WAS REPLACED, THE SPARK PLUGS AND ALL MANIFOLD BOLTS (ALONG WITH BROKEN) WERE ALL REMOVED AND REPLACED.

NHTSA ODI #10790375

60,000 miles · Nov 14, 2015
Electrical SystemExterior LightingStructure

BOUGHT USED IN WA STATE AND LIVE IN NJ NOW. AFTER PURCHASSE IT RAINED ONE NIGHT AND NEXT MORNING ENTIRE CENTER CONSOLE, OVERHEAD LIGHTS WERE ALL WET INSIDE. UPON FURTHER INVESTIGATION DETERMINED LEAK WAS SUNROOF. NOTIFIED DEALER AND THEY HAD A GLASS SPECIALIST REMOVE THE ENTIRE ASSEMBLY AND THOROUGHLY CLEAN. REPLACED SEAL WITH…

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BOUGHT USED IN WA STATE AND LIVE IN NJ NOW. AFTER PURCHASSE IT RAINED ONE NIGHT AND NEXT MORNING ENTIRE CENTER CONSOLE, OVERHEAD LIGHTS WERE ALL WET INSIDE. UPON FURTHER INVESTIGATION DETERMINED LEAK WAS SUNROOF. NOTIFIED DEALER AND THEY HAD A GLASS SPECIALIST REMOVE THE ENTIRE ASSEMBLY AND THOROUGHLY CLEAN. REPLACED SEAL WITH NEW ONE AND CLAIMED NO MORE LEAKAGE. A FEW DAYS LATER IT RAINED AGAIN (WA WELL KNOWN FOR ALWAYS RAINING) AND AGAIN THE LEAK WAS PRESENT. THE DEALER'S RESPONSE WAS NOW 'PARK YOUR VEHICLE WITH THE FRONT END DOWNHILL. THERE ARE TINY SLOTS THAT DIRECT THE WATER DOWN THE CORNER PILLARS AND APPARENTLY CLOG EASILY. SO PARKING WITH FRONT END DOWNHILL WILL RELIEVE THE WATER BEFORE IT CAN POOL UP TO LEAK.

NHTSA ODI #10790370

58,945 miles · May 18, 2013
EngineFuel/propulsion SystemPower Train

PURCHASED IN JUNE 2009 AND HAVE HAD PROBLEM AFTER PROBLEM. MOUNTAINEER PREMIER AWD. TRANSMISSION ISSUE, FEELS LIKE YOU'RE GETTING HIT FROM BEHIND WHEN COMING TO A STOP. RADIATOR LEAKS. BACK LIFT GATE RANDOMLY OPENS, WON'T LATCH. WHEN IT RAINS, WATER COMES IN THROUGH THE INTERIOR LIGHT MOUNT AND THROUGH DVD PLAYER. SPARK PLUGS NO…

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PURCHASED IN JUNE 2009 AND HAVE HAD PROBLEM AFTER PROBLEM. MOUNTAINEER PREMIER AWD. TRANSMISSION ISSUE, FEELS LIKE YOU'RE GETTING HIT FROM BEHIND WHEN COMING TO A STOP. RADIATOR LEAKS. BACK LIFT GATE RANDOMLY OPENS, WON'T LATCH. WHEN IT RAINS, WATER COMES IN THROUGH THE INTERIOR LIGHT MOUNT AND THROUGH DVD PLAYER. SPARK PLUGS NOT EASILY REPLACED, BROKE OFF AND HAD TO BE TOWED TO A SHOP FOR REMOVAL. GAS UNABLE TO BE PUMPED PROPERLY I CAN PUT IN .25 AT A TIME IF I'M LUCKY. IT TAKES 20 MINUTES TO PUMP HALF A TANK OF GAS. I LOVE THE FEATURES THIS VEHICLE HAS BUT THIS HAS BEEN SUCH A HASSLE. *TR

NHTSA ODI #10512649

75,000 miles · Feb 24, 2013
Electrical SystemExterior LightingStructure

(DAY AND MILEAGE ARE APPROXIMATE VALUES). 2006 MERCURY MOUNTAINEER AWD PREMIER EDITION. IN EXCESS RAINFALL EVENTS, WATER LEAKS THRU SUNROOF AND DOWN THRU ROOF CENTER LIGHTING CONSOLE. I'VE TAKEN IT TO NUMEROUS PLACES TO HAVE IT EVALUATED. UPON RECEIVING IT FROM A USED CAR DEALER (RESPECTABLE REPUTATION) THE SUNROOF LEAKED A DAY …

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(DAY AND MILEAGE ARE APPROXIMATE VALUES). 2006 MERCURY MOUNTAINEER AWD PREMIER EDITION. IN EXCESS RAINFALL EVENTS, WATER LEAKS THRU SUNROOF AND DOWN THRU ROOF CENTER LIGHTING CONSOLE. I'VE TAKEN IT TO NUMEROUS PLACES TO HAVE IT EVALUATED. UPON RECEIVING IT FROM A USED CAR DEALER (RESPECTABLE REPUTATION) THE SUNROOF LEAKED A DAY OR TWO LATER. TOOK BACK TO PURCHASING DEALERSHIP AND THEY REMOVED ENTIRE SUNROOF ASSEMBLY, CLEANED AND REPLACED ALL SEALS. THE NEXT RAINSTORM OCCURRED AND I WAS TOLD TO PARK DOWNHILL BECAUSE THERE ARE VERY THIN TUBES AND THEY CLOG EASILY, CAUSING THE WATER TO POOL UP AND LEAK THRU, THE CENTER LIGHTING CONSOLE. I'VE EVEN ASKED FORD AND WAS TOLD BRING IT TO MY LOCAL DEALERSHIP FOR REPAIR. DEALERSHIP SAYS REPAIR WILL BE MY RESPONSIBILITY, AND ALSO SAYS IT MAY NOT 100% REPAIR SINCE THEY WOULD DO SAME SERVICES THE PREVIOUS ESTABLISHMENTS PERFORMED (REMOVE, CLEAN TRACKS AND TUBES, RESEAL). *TR

NHTSA ODI #10499837

45,400 miles · May 9, 2009
Structure

I HAVE A 2006 MERCURY MOUNTAINEER WITH AUTO RUNNING BOARDS. THE RUNNING BOARDS SEEM TO HAVE A MIND OF THEIR OWN. BOTH HAVE BEEN REPLACED BY THE DEALER, THE LATEST WAS 5-5-09. TODAY WHEN OUR DAUGHTER WAS ENTERING THE PASSENGER SIDE THE RUNNING BOARD OPENED UP LIKE IT WAS SUPPOSED TO BUT CLOSED AT ONCE ONTO OUR DAUGHTER FOOT. THE …

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I HAVE A 2006 MERCURY MOUNTAINEER WITH AUTO RUNNING BOARDS. THE RUNNING BOARDS SEEM TO HAVE A MIND OF THEIR OWN. BOTH HAVE BEEN REPLACED BY THE DEALER, THE LATEST WAS 5-5-09. TODAY WHEN OUR DAUGHTER WAS ENTERING THE PASSENGER SIDE THE RUNNING BOARD OPENED UP LIKE IT WAS SUPPOSED TO BUT CLOSED AT ONCE ONTO OUR DAUGHTER FOOT. THE PASSENGER DOOR WAS STILL OPEN WHEN IT CLOSED AND THE RUNNING BOARD WOULD NOT RETRACT. WE WERE VERY LUCKY NOT TO HAVE SUFFERED SERIOUS INJURY. IF SHE HAD BEEN 7 INSTEAD OF 15 I WOULD HATE TO THINK WHAT MIGHT HAVE HAPPENED. *TR

NHTSA ODI #10268300

Official recalls

1

05V520000 · Visibility:windshield Wiper/washer:motor

Nov 9, 2005

ON CERTAIN TRUCKS, PASSENGER CARS AND SPORT UTILITY VEHICLES, THE WINDSHIELD WIPER MOTOR MAY HAVE BEEN PRODUCED WITHOUT GREASE BEING APPLIED TO THE OUTPUT SHAFT GEAR.

Consequence & remedy

Consequence: 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 RESULTING IN A LOSS OF WIPER FUNCTION. INOPERATIVE WIPERS UNDER INCLEMENT WEATHER CONDITIONS COULD CAUSE A CRASH DUE TO IMPAIRED VISIBILITY.

Remedy: DEALERS WILL INSPECT THE WIPER MOTOR FOR THE PRESENCE OF GREASE AND GREASE THE WIPER MOTOR GEARS IF NECESSARY. THE RECALL BEGAN ON NOVEMBER 22, 2005. OWNERS MAY CONTACT FORD AT 1-800-392-3673 OR LINCOLN/MERCURY AT 1-800-521-4140.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.