← New search

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 →

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

What owners actually said

117 reports
66,900 miles · Oct 19, 2008
Power Train

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…

Read full complaint

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

NHTSA ODI #10246038

38,000 miles · Sep 2, 2008
Power Train

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…

Read full complaint

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

NHTSA ODI #10240639

Mileage unknown · Aug 14, 2008
Power Train

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

NHTSA ODI #10238271

20,800 miles · Jul 26, 2008
Engine And Engine Cooling

MY 2006 MERCURY MOUNTAINEER HAS A PROBLEM WITH THE A/C FAN UNIT. THE A/C FAN WILL NOT DECREASE IN BLOWER INTENSITY EVEN IF MANUALLY DOWNGRADING THE FAN OR TURNING UP THE TEMPERATURE. DOES NOT MATTER WHETHER YOU ARE IN AUTO OR MANUAL A/C MODE. *TR

NHTSA ODI #10235854

26,000 miles · May 14, 2008
Power Train

2006 MERCURY MOUNTAINEER. THE TRANSMISSION HAS PROBLEMS. IT PUNCHES IN AND OUT OF GEARS, MAKES A LOUD GRINDING NOISE AND PULLS THE CAR TO THE LEFT. IT HAS PROBLEMS GOING INTO REVERSE. IT DOES NOT HAPPEN ALL THE TIME BUT I WOULD SAY ABOUT 3 TO 4 TIMES A WEEK. IT IS NOT SAFE TO DRIVE WHEN THE CAR DOES THIS. I AM DRIVING MY 1…

Read full complaint

2006 MERCURY MOUNTAINEER. THE TRANSMISSION HAS PROBLEMS. IT PUNCHES IN AND OUT OF GEARS, MAKES A LOUD GRINDING NOISE AND PULLS THE CAR TO THE LEFT. IT HAS PROBLEMS GOING INTO REVERSE. IT DOES NOT HAPPEN ALL THE TIME BUT I WOULD SAY ABOUT 3 TO 4 TIMES A WEEK. IT IS NOT SAFE TO DRIVE WHEN THE CAR DOES THIS. I AM DRIVING MY 1 YEAR OLD IN THIS CAR AND I HAVE TO CONCENTRATE SO HARD TO MAKE THE CAR GO STRAIGHT AND TO PUT MINIMAL PRESSURE ON THE GAS PEDAL SO IT DOESN'T JERK US TOO HARD. IT IS AT THE DEALERSHIP NOW AND FROM WHAT I HAVE READ ONLINE THEY WILL TRY TO PUT A BANDAID ON THE PROBLEM UNTIL THE WARRANTY RUNS OUT! THIS CAR ONLY HAS 26,000 MILES ON IT! I JUST BOUGHT IT USED ABOUT 8 MONTHS AGO. *TR

NHTSA ODI #10227799

6,000 miles · Mar 16, 2008
Power Train

BOUGHT THIS MERCURY MOUNTAINEER MARCH 2007. WORSE VEHICLE EVER OWNED. MOST OF THE TIME WHEN STOPPING I GET THAT THUD NOISE. I FEEL LIKE I GOT HIT FROM THE BEHIND. WHEN IN TRAFFIC I WORRY ALOT ALSO. I BOUGHT THIS TRUCK IN 7 TIMES AND PROBLEM STILL OCCURS. DEALERSHIP WILL NOT FIX IT UNTIL I SHOW THEM THE PROBLEM. I TOLD TH…

Read full complaint

BOUGHT THIS MERCURY MOUNTAINEER MARCH 2007. WORSE VEHICLE EVER OWNED. MOST OF THE TIME WHEN STOPPING I GET THAT THUD NOISE. I FEEL LIKE I GOT HIT FROM THE BEHIND. WHEN IN TRAFFIC I WORRY ALOT ALSO. I BOUGHT THIS TRUCK IN 7 TIMES AND PROBLEM STILL OCCURS. DEALERSHIP WILL NOT FIX IT UNTIL I SHOW THEM THE PROBLEM. I TOLD THEM IT DOES NOT HAPPEN EVERYDAY. WITH MY LUCK IT DID NOT HAPPEN WHEN I WAS THERE. *TR

NHTSA ODI #10221330

11,000 miles · Jan 2, 2008
Power Train

TRANSMISSION KICKS FROM 2ND GEAR TO 1ST GEAR WHEN COMING TO A STOP. IT IS INTERMITTENT AND JARRING TO THE VEHICLE AND PASSENGERS. THE VEHICLE WAS TAKEN IN FOR REPAIR TO AN AUTHORIZED DEALERSHIP. THE TRANSMISSION FLUID WAS CHANGED AND THE COMPUTER WAS REFLASHED, HOWEVER THE PROBLEM WITH THE SHIFT SHOCK CONTINUES.*CN

NHTSA ODI #10213528

411 miles · Oct 25, 2007
Engine And Engine CoolingPower Train

TL*THE CONTACT OWNS A 2006 MERCURY MOUNTAINEER. THE CONTACT STARTED THE VEHICLE AND IT IMMEDIATELY STALLED. THE VEHICLE WAS TOWED TO A LOCAL DEALER AND THEY STATED THAT THE ENTIRE COMPUTER SYSTEM FAILED AND WAS REPLACED. TWO MONTHS LATER, THE ENGINE LIGHT ILLUMINATED. SHE TOOK THE VEHICLE TO THE DEALER AND THEY STATED THAT T…

Read full complaint

TL*THE CONTACT OWNS A 2006 MERCURY MOUNTAINEER. THE CONTACT STARTED THE VEHICLE AND IT IMMEDIATELY STALLED. THE VEHICLE WAS TOWED TO A LOCAL DEALER AND THEY STATED THAT THE ENTIRE COMPUTER SYSTEM FAILED AND WAS REPLACED. TWO MONTHS LATER, THE ENGINE LIGHT ILLUMINATED. SHE TOOK THE VEHICLE TO THE DEALER AND THEY STATED THAT THERE WAS EMISSION FAILURE. THE CONTACT ALSO BEGAN EXPERIENCING FAILURES WITH THE FRONT PASSENGER WINDOW AND THE FRAME WAS REPLACED. THE ENGINE LIGHT STILL CONTINUED TO ILLUMINATE AND THE DEALER STATED THAT IT WAS DUE TO THE CATALYTIC CONVERTER, IN ADDITION TO THE TRANSMISSION. THE DEALER DID NOT KNOW HOW TO REPAIR THE FAILURES. THE CURRENT MILEAGE WAS 1,500 AND FAILURE MILEAGE WAS 411.

NHTSA ODI #10206905

5,500 miles · Sep 9, 2007
Power Train

I BOUGHT MY 2006 MERCURY MOUNTAINEER APRIL 26, 2006. I STARTED HAVING THE TRANSMISSION PROBLEMS DECEMBER 2006. WHEN YOU PUT ON BREAKS TO STOP YOU HEAR A THUD AND THE VEHICLE WILL ACTUAL THROW YOU FORWARD IN THE SEAT. IT FEELS LIKE YOU MIGHT NOT ACTUALLY STOP WHEN IT FIRST HAPPENS. THIS HAPPENS DAILY. THE FIST TIME I TOOK THE…

Read full complaint

I BOUGHT MY 2006 MERCURY MOUNTAINEER APRIL 26, 2006. I STARTED HAVING THE TRANSMISSION PROBLEMS DECEMBER 2006. WHEN YOU PUT ON BREAKS TO STOP YOU HEAR A THUD AND THE VEHICLE WILL ACTUAL THROW YOU FORWARD IN THE SEAT. IT FEELS LIKE YOU MIGHT NOT ACTUALLY STOP WHEN IT FIRST HAPPENS. THIS HAPPENS DAILY. THE FIST TIME I TOOK THE VEHICLE IN AND LEFT IT WITH THEM, THEY DROVE IT AND SAID THEY DID NOT FIND ANYTHING. JANUARY 2007 I TOOK THE CAR BACK TO THEM AND THEY DID DIVE IT AND HAVE THE SAME PROBLEM. THE CALLED FORD AND FORD TOLD THEM THERE WAS A RECALL ON IT AND THEY NEEDED TO PUT IT ON THE COMPUTER AND DO A RECALIBRATING. THEY DID THIS AND THE PROBLEM WAS GONE FOR A WEEK AND IT RETURNED. I TOOK IT BACK TO THEM AND THEY REPLACED A PART IN THE TRANSMISSION, THIS LASTED A WEEK AND IT STARTED THE SAME THING AGAIN. I AM NOW STILL FUSSING WITH THEM ABOUT GETTING IF FIXED. THEY KEPT IT 5 DAYS LAST WEEK AND DID NOTHING TO IT. I HAD AN APPOINTMENT WITH A FORD REP. LAST WEEK AND THIS PAST WEEK AND HE DID NOT SHOW FOR EITHER APPOINTMENT. *TR

NHTSA ODI #10202285

6,000 miles · Aug 24, 2007
Parking BrakeService Brakes, HydraulicCrashInjury

TL*THE CONTACT RENTED A 2006 MERCURY MOUNTAINEER. WHILE MAKING A LEFT TURN AT APPROXIMATELY 5-10 MPH, THE CONTACT APPLIED TOO MUCH PRESSURE TO THE ACCELERATOR PEDAL AND THE VEHICLE SPED FORWARD. THE CONTACT APPLIED THE BRAKES AND THE EMERGENCY BRAKE, BUT THE VEHICLE DID NOT DECELERATE OR STOP. THE VEHICLE CRASHED INTO FOUR PA…

Read full complaint

TL*THE CONTACT RENTED A 2006 MERCURY MOUNTAINEER. WHILE MAKING A LEFT TURN AT APPROXIMATELY 5-10 MPH, THE CONTACT APPLIED TOO MUCH PRESSURE TO THE ACCELERATOR PEDAL AND THE VEHICLE SPED FORWARD. THE CONTACT APPLIED THE BRAKES AND THE EMERGENCY BRAKE, BUT THE VEHICLE DID NOT DECELERATE OR STOP. THE VEHICLE CRASHED INTO FOUR PARKED VEHICLES. BOTH PASSENGERS WERE TRANSPORTED TO THE HOSPITAL, BUT ONLY THE FRONT PASSENGER, WHO WAS WEARING A SEAT BELT, SUFFERED BRUISES AND SORENESS. A POLICE REPORT WAS FILED. THE VEHICLE WAS DESTROYED AND TOWED. THE VIN, POWERTRAIN, ENGINE SIZE, PURCHASE DATE, AND NUMBER OF CYLINDERS WERE UNKNOWN. THE CURRENT AND FAILURE MILEAGES WERE 6,000.

NHTSA ODI #10200654

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.