Reports submitted to NHTSA by owners and drivers, shown in full
Data refreshed
Complaints on fileComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
210
Latest Jun 21, 2021
Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
13
Filed in the last 12 monthsReports filed with NHTSA in the trailing 365 days. Recent volume reflects attention and vehicle age as much as anything else.
0
Reports on file since Jan 15, 2004
What this page shows
Our database holds 210 NHTSA owner-reported complaints for the 2004 Mercury Mountaineer. Each one is a report filed by an owner or driver and published by NHTSA without most of them being verified. A complaint is not a confirmed defect, not a recall and not a manufacturer bulletin. Narratives are shown exactly as filed.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Complaints, most recent first
Showing 1–25 of 210 · page 1 of 9
Transmission
Filed Jun 21, 2021
This vehicle is has a power train problem from day one with the 5R55S/W transmission and AWD transfer case. I purchased this vehicle where it stranded my family over 200 miles from home and it's a non running car. This vehicle should have been removed from being sold with this defect and crushed! I will never buy a FoundOnRoad Dead ford pos ever. The transmission went into neutral with out any notice. To repair the faulty drive train I will cost me aprox $2400.00 mileage 152,000 third time the drive train has been worked on.. There tranmissions were failing in a little as 50,000 miles.
NHTSA ID
11421672
Incident
Aug 19, 2020
Electrical
Filed May 2, 2019
MY WINDOWS WERE ROLLING DOWN WHEN I FIRST THEN ALL OF A SUDDEN STOPPED ROLLING DOWN
NHTSA ID
11205264
Incident
Dec 18, 2018
AirbagsSteering
Filed Jan 6, 2019
TAKATA RECALL AIR BAG LIGHT STAYS ON FOR NO APPARENT REASON... ALL THE TIME GRINDING NOISES WHILE TURNING LEFT OR RIGHT SOUNDS LIKE GEARS ARE FREELY SPINNING WHILE ENGAGED AND DRIVING. NO ISSUES WITH CHANGING GEARS AS FAR AS MECHANIC SAYS.
NHTSA ID
11165492
Incident
Dec 10, 2018
Body & structure
Filed Sep 7, 2018
OPERATING THE TAILGATE WINDOW HINGES BROKE OFF SCREWS APPEARED TO HAVE SEVERE CORROSION VEHICLE WAS STATIONARY
NHTSA ID
11128025
Incident
Sep 6, 2018
Mileage
149,674 mi
Suspension
Filed Mar 28, 2018
HUMMING IN FRONT AT ALL SPEEDS FT WHEEL BEARINGS WHERE BAD. NOW RIGHT REAR BEARING MAKING NOISE. VERY LOOSE . LOTS OF OTHER COMPLAINTS ONLINE NEED TO BE LOOKED AT
NHTSA ID
11081868
Incident
Mar 27, 2018
Mileage
90,000 mi
Body & structureElectricalOther / unspecified
Filed Dec 11, 2017
1. PAINT COMING OFF OF ROOF AND DRIVER'S DOOR. 2. REAR PASSENGER SIDE AND DRIVER SIDE POWER WINDOWS NOT WORKING. 3. CRACKS IN PLASTIC AREA OF REAR LIFT GATE AROUND WIPER ARM. 4. ALMOST LOST CONTROL AND POTENTIAL ACCIDENT ON INTERSTATE WHEN RIGHT REAR WHEEL CAME LOOSE.
NHTSA ID
11053938
Incident
Oct 5, 2017
Mileage
135,000 mi
Filed Jul 6, 2017
THIS WAS VERY DANGEROUS!! RIGHT HINGE BROKE WHICH DROPPED RIGHT SIDE OF GLASS PUTTING PRESSURE ON THE GLASS WHICH MADE IT EXPLODE. GLASS COVERED ME WITH A FEW MINIMAL CUTS
NHTSA ID
11003324
Incident
Jul 5, 2017
Mileage
190,000 mi
Airbags
Filed Dec 12, 2016
Crash reported1 injury reported
MY SON WAS DRIVING TO WORK ON AUGUST 6, 2015. SOMETHING HAPPENED, AND HE RAN OFF THE ROAD AND HIT A TREE. AT THAT POINT THE AIRBAG COVER FLEW TOTALLY OFF, INSTEAD AND FALLING DOWN AS IT IS SUPPOSED TO. THE COVER ITSELF GASHED MY SONS FOREHEAD FROM LEFT TO RIGHT, AND HE LOST HIS RIGHT EYE. THIS IS A TERRIBLE ACCIDENT. THE AIRBAGS CAME OUT SO FAST THAT THEY HAD BURN MARKS ON THEM. THESE AIRBAGS WERE SUPPOSED TO SAVE PEOPLES LIVES INSTEAD OF MANGLING THEIR FACES. SOMEONE NEEDS TO BE RESPONSIBLE FOR THIS HORRIFIC ACT....01/04/17 *BF *TR *CN
NHTSA ID
10934845
Incident
Aug 6, 2016
Body & structure
Filed Apr 29, 2016
REAR TAILGATE WINDOW HINGE BROKE WHILE HAVING THE WINDOW ONLY OPEN AND PUTTING AWAY GROCERIES. UPON CLOSING THE WINDOW, THE RIGHT HINGE BROKE CAUSING THE WINDOW TO ALMOST FALL OFF OF THE CAR. I ATTEMPTED, WITH ASSISTANCE FROM OTHERS IN THE PARKING LOT, TO PUSH THE WINDOW BACK INTO THE FRAME AND HAVE IT LOCK AT THE CENTER LATCH. THE LATCH IS NO LONGER ENGAGED AND I HAVE ATTEMPTED TO PUSH ON THE WINDOW TO CONNECT WITH THE LATCH. I AM NOT STRONG ENOUGH TO DO SO. THE WINDOW IS AT A POINT WHERE IT COULD FALL OFF OF MY CAR. THERE WAS A RECALL ON THIS PART FOR 2000-2003 VEHICLES OF THIS MAKE AND MODEL. FORD IS NOT CARRYING OVER THE RECALL TO 2004 STATING THE DEFECT IS NOT THE SAME (WITH THE DETAILS) AS THE RECALL ITSELF. IT IS STILL THE SAME DEFECTIVE PART! I AM OF SHORT STATURE AND DO NOT HAVE THE STRENGTH TO PUSH THE WINDOW THE 1" OR SO TO GET IT INTO THE FRAME TO LOCK SUCCESSFULLY. I HAVE CONTACTED MY LOCAL FORD DEALERSHIP FOR ADVICE BUT HAVE BEEN TOLD I WOULD NEED TO PAY OUT OF POCKET. I AM AT RISK OF HAVING THE WINDOW FALL OFF THE BACK OF MY CAR AND DO NOT CURRENTLY HAVE THE MONEY TO PAY FOR THIS REPAIR AT THIS TIME. THERE HAVE BEEN SEVERAL COMPLAINTS NOTED FOR THIS EQUIPMENT FAILURE ON THIS SITE FOR THE 2004 MOUNTAINEER. JUST NOT SURE WHAT TO DO NEXT. MY VEHICLE IS MY BREAD AND BUTTER IN ORDER TO WORK.
NHTSA ID
10862164
Incident
Apr 23, 2016
Mileage
186,000 mi
Body & structure
Filed Mar 7, 2016
THE REAR LIFTGATE CRACKED NEAR THE MERCURY EMBLEM. THIS OCCURRED ABOUT TWO YEARS AFTER PURCHASING THE VEHICLE NEW. I TOOK IT TO TWO DIFFERENT FORD DEALERSHIPS AND WAS TOLD BY BOTH THE FORD WOULD NOT FIX THIS PROBLEM ON THE 2004. ONE STATED THE 2003 MODEL HAD THE SAME PROBLEM, BUT THAT FORD REPAIRED THOSE. I DID NOT RECEIVE A RESPONSE TO MY EMAIL I SENT TO FORD. THIS IS A SUBSTANTIAL EXPENSE TO THE OWNERS OF THIS VEHICLE. IF YOU LOOK AROUND YOU CAN TELL IF YOU ARE BEHIND A 2004 EXPLORER OR MOUNTIANEER, THEY ALL WILL HAVE AT LEAST ONE CRACK AROUND THE EMBLEM.
NHTSA ID
10840354
Incident
Jun 1, 2006
Mileage
15,000 mi
Engine
Filed Mar 7, 2016
MY VEHICLE SHUTS OFF WHILE DRIVING. NO WARNING, LOSES POWER STEERING, LOSES POWER BRAKES. IT WILL START RIGH BACK UP ONCE I SHIFT INTO PARK. THIS HAPPENS AT ALL DIFFERENT SPEEDS AND TEMPERATURES. I COULD HAVE JUST GOT IN THE CAR OR BEEN DRIVING FOR HOURS. HAPPENS AT 15MPH AND 60MPH JUST THE SAME. HAVE ALMOST BEEN HIT FROM BEHIND OF SEVERAL OCCASIONS WHEN THIS HAS HAPPENED.
NHTSA ID
10840317
Incident
Feb 17, 2016
Mileage
143,000 mi
Powertrain (other)
Filed Feb 23, 2016
FAILURE OF FRONT DIFFERENTIAL MOUNT CARRIER BUSHINGS FAILURE LEADING TO TWO TRANSMISSION REBUILTS,TRANSFER CASE REBUILD, AND OVER $5000.00 IN REPAIRS. FAILURE OF CARRIER BUSHINGS WOULD LEAD TO FRONT END LOCKING UP. CAUSING A JACKHAMMER AFFECT ON THE DRIVETRAIN OF THE VEHICLE. TO CLOSE CALLS DUE TO FRONT END LOCKING UP. ACCIDENTS WERE AVOIDED DUE TO DRIVER VIGILANCE. HAVE PICTURES OF BUSHINGS AND WHAT'S LEFT OF THE BUSHINGS.
NHTSA ID
10837659
Incident
Jun 15, 2013
Mileage
135,000 mi
Visibility
Filed Feb 3, 2016
TL* THE CONTACT OWNS A 2004 MERCURY MOUNTAINEER. THE CONTACT STATED THAT WHILE DRIVING, THERE WAS A POPPING NOISE FROM THE REAR OF THE VEHICLE. UPON INSPECTION, IT WAS DISCOVERED THAT THE REAR LIFT GATE WINDOW HAD SUDDENLY SHATTERED. THE CONTACT INDICATED THAT WINDOW WAS REPLACED BUT THE FAILURE REOCCURRED. AFTER REPLACING THE WINDOW A SECOND TIME THE CONTACT RECENTLY DISCOVERED THAT THE WINDOW PANEL AND GLASS HAD CRACK. THE CAUSE OF THE FAILURES WERE NOT DETERMINED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 80,000.
NHTSA ID
10823895
Incident
Jul 1, 2012
Mileage
80,000 mi
EngineFuel system
Filed Jan 14, 2016
THIS VEHICLE IDLES VERY LOW AND STALLS AT VARIOUS SPEEDS. NO WARNING IS GIVEN ENGINE JUST SHUTS DOWN. SPARK PLUGS HAVE BLOWN TOTALLY OUT FROM THE ENGINE SEVERAL TIMES.
NHTSA ID
10820147
Incident
Apr 1, 2015
Mileage
142,000 mi
Electrical
Filed Jan 5, 2016
WHILE MY 17 YEAR OLD DAUGHTER WAS DRIVING WITH THE CRUISE CONTROL ON IN A 30 -40 MPH ZONE, SEVERAL LIGHTS CAME ON, THE POWER STEERING WENT OUT, AND THE VEHICLE STALLED. SHE WAS ON A SMALL 2 LANE ROAD, AND THERE WERE NO WARNINGS PRIOR TO THE OCCURRENCE. SHE WAS VERY SCARED, SHE TURNED ON THE HAZARD LIGHTS AND CALLED ME IMMEDIATELY. THE VEHICLE THEN RESTARTED AND SHE DROVE HOME. TODAY (JAN. 5, 2016) THE PROBLEM OCCURRED AGAIN, FORTUNATELY IN A SLOW SPEED ZONE AGAIN. SHE WAS ABLE TO RESTART THE VEHICLE AND CONTINUE DRIVING. THIS PROBLEM IS POTENTIALLY VERY DANGEROUS AND NEEDS TO BE ADDRESSED BY THE MANUFACTURER, OR THEY NEED TO OFFER A BUY BACK AT FULL VALUE FOR PLACING PEOPLE AT RISK.
NHTSA ID
10818272
Incident
Jan 5, 2016
Mileage
135,000 mi
Body & structure
Filed Sep 30, 2015
REAR LIFT GATE WINDOW HINGES RUSTED/CORRODED. HINGES HAVE BROKEN CAUSING WINDOW TO SHIFT AND MOVE.
NHTSA ID
10778866
Incident
Sep 25, 2015
Mileage
85,000 mi
Driver assistance
Filed Jul 6, 2015
ENGINE DIED HAS REPEATED ONLY A FEW TIMES AT OR ABOVE 50MPH OVER SPAN OF TIME
NHTSA ID
10732320
Incident
Jul 6, 2015
Mileage
89,600 mi
Body & structure
Filed Jun 23, 2015
1 injury reported
TL* THE CONTACT OWNS A 2004 MERCURY MOUNTAINEER. WHILE THE VEHICLE WAS PARKED, THE REAR LIFTGATE GLASS STRUT DISENGAGED AND THE GLASS DETACHED FROM THE VEHICLE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 107,000. ...UPDATED 07/30/15 *BF!..UPDATED 08/13/15 *BF UPDATED 10/26/2017*CN
NHTSA ID
10726806
Incident
Jun 22, 2015
Mileage
107,000 mi
Airbags
Filed May 22, 2015
I WAS DRIVING DOWN THE STREET AND ALL OF A SUDDEN MY SIDE AIRBAGS DEPLOYED. I DID NOT HIT A POT HOLE, THERE WAS NO ACCIDENT, THEY WENT OFF BY THEMSELVES. *TR
NHTSA ID
10720970
Incident
May 5, 2015
Mileage
160,000 mi
Filed Feb 11, 2015
DOOR DINGS AND DENTS. *TR
NHTSA ID
10682705
Incident
Sep 23, 2013
Body & structure
Filed Dec 28, 2014
EVERY TIME IT RAINS, EVEN JUST A SPRINKLE, WATER COMES IN FROM TOP OF DRIVER'S SIDE DOOR/ROOF. IT ALSO COMES IN THROUGH THE DOME LIGHT AND VISOR. MY FLOORBOARD IS FLOODED WITH WATER. I HAVE TRIED TO USE A CAR COVER AND IT DOES NOT WORK. I CAN NOT AFFORD AT THIS TIME TO BRING INTO A DEALERSHIP. THIS PROBLEM IS GOING TO DESTROY THIS VEHICLE. *TR
NHTSA ID
10668551
Incident
Apr 1, 2014
Mileage
120,000 mi
Airbags
Filed Dec 22, 2014
DRIVING AT APPRX 50 MPH WHEN SUDDENLY BOTH THE DRIVER SIDE AND PASSENGER SIDE AIR CURTAINS DEPLOYED!! THERE WAS NO ACCIDENT. NO IMPACT FROM OBJECTS. NO POT HOLES OR ROAD HAZARDS. NO WARNINGS JUST A LOUD BANG AND THE NEXT THING I KNEW I WAS HIT IN THE HEAD BY AN AIRBAG!! I HAD NO IDEA WHAT HAPPENED. I THOUGHT I WAS STRUCK OR SHOT AT FIRST! I WAS FORTUNATE TO KEEP THE CAR UNDER MY CONTROL AS I WAS ON A TWO LANE SURFACE STREET IN MORNING TRAFFIC. I AM CURRENTLY IN CONTACT WITH FORD TO ATTEMPT RESOLUTION FOR THE DEFECT. IN RESEARCHING ONLINE I HAVE FOUND THAT THIS HAS HAPPENED MULTIPLE TIMES WITH THE SAME MODEL AND YEAR VEHICLE. THIS SOUNDS LIKE A SAFETY RECALL SHOULD BE CONSIDERED. I WILL ATTEMPT TO UPDATE MY COMPLAINT AS I CONTINUE MY TALK TO TRY AND GAIN RESOLUTION WITH FORD. *TR
NHTSA ID
10667784
Incident
Dec 22, 2014
Mileage
164,000 mi
Powertrain (other)
Filed Nov 24, 2014
TL* THE CONTACT OWNS A 2006 MERCURY MOUNTAINEER. THE CONTACT STATED THAT WHILE DRIVING 70 MPH, THE VEHICLE LOST POWER WITHOUT WARNING. THE VEHICLE WAS MERGED TO THE SIDE OF THE ROAD WHERE IT WAS RESTARTED. HOWEVER, THE VEHICLE FAILED TO ACCELERATE PAST 35 MPH. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE THE TECHNICIAN DIAGNOSED THAT THE POWER TRAIN NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE FAILURE MILEAGE WAS 99,000. THE VIN WAS NOT AVAILABLE.
NHTSA ID
10660439
Incident
Nov 22, 2014
Mileage
99,000 mi
Other / unspecifiedSuspension
Filed Nov 21, 2014
THIS WILL NOW BE THE 5TH TIME WE HAVE REPLACED A BALL BEARING IN THIS [XXX] TRUCK ... THE FRONT DRIVER TWICE THE FRONT PASSENGER ONCE AND NOW THIS IS THE SECOND TIME FOR THE BACK DRIVER! THIS IS HORRIBLE! THERE HAS TO BE MORE OF AN ISSUE THEN JUST THAT IF IT KEEPS HAPPENING! I WILL BE CONTACTING MERCURY AND I PRAY SOMETHING GETS DONE! THIS IS NOT A CHEAP FIX EITHER! AND WHEN IT HAPPENS IT IS LIKE THE TIRE IS ABOUT TO FALL OFF IT WOULD IF THERE WEREN'T LUG NUTS ON IT! BY FAR THE WORST SUV I HAVE HAD! 1000S OF DOLLARS TO FIX IT AND IT JUST KEEPS HAPPENING WHY AND WHY HASN'T THERE BEEN A RECALL ON THIS?? *TR
NHTSA ID
10660161
Incident
Oct 9, 2013
Body & structureElectricalPowertrain (other)
Filed Nov 14, 2014
TRANSMISSION SOLENOIDS THREE TIMES, PAINT COMING OFF, PASSENGER SEAT TRIM CAME OFF, CRACKED REAR LIFT GATE, PASSENGER FRONT AND REAR DOOR WINDOWS, AND DRIVER SIDE REAR DOOR WINDOW DO NOT WORK. *TR
NHTSA ID
10655142
Incident
Apr 15, 2012
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
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