2006 MERCURY MOUNTAINEER TRANSMISSION PROBLEMS. HESITATION, FUNNY SHIFTING. COULD GET SOMEONE IN TROUBLE BY THE RANDOM SHIFTING PROBLEM. FORD DEALER I WENT TO SAID THEY HAD NEVER HEARD OF THE PROBLEM. WHEN YOU GOOGLE THIS IT IS A PROBLEM THANKS *TR
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.
About this comparison →How this year compares
Owner complaints by model year
Compare all Mountaineer years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
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.
Power Train complaints
39 reportsMY CAR HAS HAD A CONTINUING PROBLEM WITH THE TRANSMISSION. IT SHIFTS ROUGHLY AND LURCHES WHEN BEGINNING TO MOVE. FOR EXAMPLE, WHEN STOPPED AT A STOPLIGHT, AND THEN BEGINNING TO DRIVE, IT WILL LURCH, JOLTING THE PASSENGERS. OUR DRIVEWAY IS SLOPED TOWARD THE STREET. WHEN I PARK THE CAR, I ALWAYS SET THE EMERGENCY BRAKE AS WELL…
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MY CAR HAS HAD A CONTINUING PROBLEM WITH THE TRANSMISSION. IT SHIFTS ROUGHLY AND LURCHES WHEN BEGINNING TO MOVE. FOR EXAMPLE, WHEN STOPPED AT A STOPLIGHT, AND THEN BEGINNING TO DRIVE, IT WILL LURCH, JOLTING THE PASSENGERS. OUR DRIVEWAY IS SLOPED TOWARD THE STREET. WHEN I PARK THE CAR, I ALWAYS SET THE EMERGENCY BRAKE AS WELL. THE CAR ALWAYS ROLLS A FEW INCHES BEFORE THE BRAKES LOCK, EVEN THOUGH IT IS STOPPED AND IN PARK. ON SEP. 4, 2009, MY MOTHER BORROWED MY CAR TO GO TO LUNCH. SHE COULDN'T FIND THE EMERGENCY BRAKE RELEASE. SHE PUT THE CAR IN PARK AND GOT OUT TO LOCATE THE EMERGENCY BRAKE. SHE FOUND IT AND RELEASED IT. THE CAR POPPED INTO REVERSE AND ROLLED BACKWARDS TO THE STREET. THE DOOR KNOCKED MY MOTHER DOWN AND SHE HIT HER HEAD HARD ENOUGH TO SUSTAIN A CLOSED HEAD INJURY WITH MINOR BLEEDING IN HER BRAIN. THE CAR ROLLED ACROSS THE STREET, OVER THE CURB AND HIT A NEIGHBOR'S POPLAR TREE. THE ENTIRE TAILGATE WAS DESTROYED, THERE WAS SOME INTERIOR DAMAGE AND THE FRAME WAS WARPED. THE TAILGATE HAD TO BE REPLACED, THE BUMPER AND TRAILER HITCH HAD TO BE REPAIRED AND THE FRAME STRAIGHTENED. MY MOTHER WAS IN HOSPITAL OVERNIGHT AND HAD TO HAVE TWO CT-SCANS. SHE STILL HAS HEADACHES AND TRANSIENT DIZZINESS. WE ARE JUST FORTUNATE THE CAR DIDN'T RUN HER OVER, HIT A PEDESTRIAN (THERE ARE A LOT OF WALKERS IN OUR NEIGHBORHOOD), HIT A CAR OR A NEIGHBOR'S HOUSE. *TR
2006 MERCURY MOUNTAINEER SLIPPED OUT OF PARKED IN DRIVEWAY AND HIT MOTHER INLAWS 2005 GMC ENVOY. THIS IS ONE OF A HAND FULL OF TIMES IT HAS SLIPPED OFF PARK. TOOK IT TO THE DEALERSHIP 3 TIMES AND NOTHING, NOW I AM FIGHTING WITH GRAND LEDGE FORD, GRAND LEDGE, MI TO GET IT FIX OR REPLACE THE TRANSMISSION BEFORE SOMEONE GET SERIOUS…
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2006 MERCURY MOUNTAINEER SLIPPED OUT OF PARKED IN DRIVEWAY AND HIT MOTHER INLAWS 2005 GMC ENVOY. THIS IS ONE OF A HAND FULL OF TIMES IT HAS SLIPPED OFF PARK. TOOK IT TO THE DEALERSHIP 3 TIMES AND NOTHING, NOW I AM FIGHTING WITH GRAND LEDGE FORD, GRAND LEDGE, MI TO GET IT FIX OR REPLACE THE TRANSMISSION BEFORE SOMEONE GET SERIOUSLY HURT OR EVEN DIES. THIS IS A VERY SCARY SITUATION AND NEEDS TO BE RECALLED AS SOON AS POSSIBLE. *TR
HAD TO REPLACE TWO RADIATORS WITHIN 30,000 MILES OF REPLACEMENT. EXACTLY HOW MANY COMPLAINTS, OR SHOULD I SAY DEATHS (?) ARE NEEDED TO TRIGGER AN INVESTIGATION OF A COMPANY GLADLY RECEIVING ASSISTANCE WHILE OUTPUTTING INFERIOR VEHICLES. NO VEHICLE MANUFACTURED IN 2006 SHOULD NEED THREE NEW RADIATORS WITHIN 3 YEAR AND 70K MILES. …
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HAD TO REPLACE TWO RADIATORS WITHIN 30,000 MILES OF REPLACEMENT. EXACTLY HOW MANY COMPLAINTS, OR SHOULD I SAY DEATHS (?) ARE NEEDED TO TRIGGER AN INVESTIGATION OF A COMPANY GLADLY RECEIVING ASSISTANCE WHILE OUTPUTTING INFERIOR VEHICLES. NO VEHICLE MANUFACTURED IN 2006 SHOULD NEED THREE NEW RADIATORS WITHIN 3 YEAR AND 70K MILES. STOP LETTING FORD OFF THE HOOK AND GET SERIOUS ABOUT GETTING TO THE BOTTOM OF THEIR ISSUES. JUST DO A SEARCH ON 2006 MERCURY MOUNTAINEER AND YOU WILL CLEARLY SEE THERE ARE ISSUES WITH THE COOLING AS WELL AS THE AUTOMATIC TRANSMISSION. IN FACT, OUR MODEL HAS THE SAME ISSUE THAT OTHERS HAVE REPORTED WITH THE AUTOMATIC TRANSMISSION AND IT WILL SOMETIMES NO MOVES GEARS, SLIP A GEAR, AND TUG LIKE IT IS PULLING OUT OF MUD AT A STOP LIGHT. OPEN A FULL BLOWN INVESTIGATION INTO THEIR LACK OF QUALITY CONTROL AND THE LACK OF PROFESSIONALISM ON THE PART OF THE DEALERSHIPS FOR NOT REPORTING THIS TO CORPORATE. *TR
TWO COMPLAINTS. 1) TRANSMISSION DOWNSHIFTS HARD WHEN SLOWING, SUCH AS FOR A STOP SIGN. MERCURY SAYS IT IS A SOFTWARE PROBLEM. THEY ARE AWARE OF THE PROBLEM BUT WON'T FIX IT UNDER THE EXTENDED WARRANTY. MY VEHICLE HAS 37,700 MILES. 2) EXTREME WIRE WEAR. IT CAME WITH MICHLIN TIRES AND I HAVE GOTTEN FAR LESS THAN 20,000 MILES …
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TWO COMPLAINTS. 1) TRANSMISSION DOWNSHIFTS HARD WHEN SLOWING, SUCH AS FOR A STOP SIGN. MERCURY SAYS IT IS A SOFTWARE PROBLEM. THEY ARE AWARE OF THE PROBLEM BUT WON'T FIX IT UNDER THE EXTENDED WARRANTY. MY VEHICLE HAS 37,700 MILES. 2) EXTREME WIRE WEAR. IT CAME WITH MICHLIN TIRES AND I HAVE GOTTEN FAR LESS THAN 20,000 MILES OUT OF THEM. I AM NOW REPLACING WITH BRIDGESTONE. I DON'T KNOW IF IT IS THE TIRE OR SOMETHING DEFECTIVE WITH THE VEHICLE. THE DEALERSHIP LIED TO ME WHEN I TOOK IT IN FOR THEM TO CHECK. THE MICHLINS ARE WEARING IN THE CENTER OF THE TREAD AND THE DEALERSHIP TOLD ME THAT IT WAS BECAUSE I HAD 45 POUNDS IN THE TIRES. I AM VERY CONCERNED ABOUT ALL ASPECTS OF UPKEEP OF MY VEHICLE. IT CALLS FOR 32 PSI FRONT AND REAR. THE TIRES ARE ALWAYS WITHIN A COUPLE OF POUNDS OF THAT FIGURE. GRANTED THE WEAR DOES LOOK LIKE OVERINFLATION. SOMETHING IS WRONG WITH THE TIRE OR THE VEHICLE. I HAVE MADE SURE THE ALIGNMENT IS RIGHT ON AND IT DOES ALIGHN PROPERLY SO I TEND TO BELIEVE IT IS THE MICHLIN CROSS TERRIAN 235X65X18 TIRES. OTHER THAN THE TRANS WHICH THE DEALERSHIP ADVISES WILL BE FIXED WITH A SOFTWARE UPGRADE AND THE TIRE PROBLEM, EVERYTHING ELSE IS VERY SATISFACTORY WITH THE VEHICLE. *TR
I HAVE JUST PURCHASED A USED 2006 MERCURY MOUNTAINEER AWD V8. WHEN THE VEHICLE IS COMING TO A STOP, THE TRANSMISSION LUNGES FORWARD AS IT IS DOWNSHIFTING. IT FEELS JUST LIKE ANOTHER VEHICLE HAS HIT MY VEHICLE FROM BEHIND. THIS IS A DANGEROUS SITUATION SINCE AS THE VEHICLE LUNGES FORWARD, IT COULD HIT A PEDESTRIAN IN A CROSS W…
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I HAVE JUST PURCHASED A USED 2006 MERCURY MOUNTAINEER AWD V8. WHEN THE VEHICLE IS COMING TO A STOP, THE TRANSMISSION LUNGES FORWARD AS IT IS DOWNSHIFTING. IT FEELS JUST LIKE ANOTHER VEHICLE HAS HIT MY VEHICLE FROM BEHIND. THIS IS A DANGEROUS SITUATION SINCE AS THE VEHICLE LUNGES FORWARD, IT COULD HIT A PEDESTRIAN IN A CROSS WALK OR HIT ANOTHER VEHICLE IN FRONT OF ME. *TR
WHEN I STOP MY TRANNY KICKS AND IT FEELS LIKE I GOT HIT IN THE REAR. I TOOK IT TOO FM DEALER AND THEY ADJUSTED THE COMP, BUT DIDN'T FIX THE PROB. IT GOT WORSE. *TR
MY 2006 MOUNTAINEER HAS TRANSMISSION PROBLEMS. WHILE COMING TO A STOP AT A LIGHT THERE IS A LOUD "POP" OR THUD LIKE NOISE AS IF THE TRANSMISSION IS POPPING INTO PLACE. ALSO TRANSMISSION SLIPS WHEN GOING FORWARD. IT JERKS ESPECIALLY AT LOW SPEEDS SUCH AS PULLING OUT OF A PARKING SPACE. THERE IS DEFINITELY SOMETHING WRONG WITH TH…
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MY 2006 MOUNTAINEER HAS TRANSMISSION PROBLEMS. WHILE COMING TO A STOP AT A LIGHT THERE IS A LOUD "POP" OR THUD LIKE NOISE AS IF THE TRANSMISSION IS POPPING INTO PLACE. ALSO TRANSMISSION SLIPS WHEN GOING FORWARD. IT JERKS ESPECIALLY AT LOW SPEEDS SUCH AS PULLING OUT OF A PARKING SPACE. THERE IS DEFINITELY SOMETHING WRONG WITH THE TRANSMISSION. POOR DESIGN OR MANUFACTURING BUT DEFINITELY SOMETHING IS WRONG. YOU FEEL LIKE YOU HAVE BEEN STRUCK FROM BEHIND WHEN THE POPPING/THUD NOISE OCCURS AT A LIGHT. VERY UNSETTLING. ALSO CAR LURCHES FORWARD WHEN PULLING OFF FROM A STANDING POSITION SUCH AS AT A LIGHT AND YOU FEEL LIKE YOUR GOING TO HIT THE CAR IN FRONT OF YOU. *TR
I OWN A 2006 MERCURY MOUNTAINEER (V8 AWD). EVERYTIME I STOP THE TRANSMISSION JOLTS FORWARD AS IF WE HAVE BEEN INVOLVED IN A REAR-END COLLISION. I HAVE CALLED FORD MOTOR COMPANY TO COMPLAIN AND THEY HAVE AGREED THAT THERE IS A PROBLEM BUT NOT TO THE DEGREE THAT THEY WOULD INITIATE A RECALL. THIS IS VERY DANGEROUS AND SOMEONE IS E…
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I OWN A 2006 MERCURY MOUNTAINEER (V8 AWD). EVERYTIME I STOP THE TRANSMISSION JOLTS FORWARD AS IF WE HAVE BEEN INVOLVED IN A REAR-END COLLISION. I HAVE CALLED FORD MOTOR COMPANY TO COMPLAIN AND THEY HAVE AGREED THAT THERE IS A PROBLEM BUT NOT TO THE DEGREE THAT THEY WOULD INITIATE A RECALL. THIS IS VERY DANGEROUS AND SOMEONE IS EVENTUALLY GOING TO GET HURT IF NOT KILLED. *TR
2006 MERCURY MOUNTAINEER HAS TRANSMISSION PROBLEMS. CONSUMER STATES THAT HIS VEHICLE HAS BEEN SERVICE SEVERAL TIMES BUT THE PROBLEM IS NOT FIXED. *NJ THE CONSUMER STATED THE TRANSMISSION WOULD SLIP, MOST NOTICEABLY IN FRIGID TEMPERATURES. *JB
Official recalls
105V520000 · 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
0No exact-year investigations in this snapshot.
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