2007 Mercury Mountaineer

Routine

Owners filed 81 complaints about this vehicle with federal regulators, most often about the seats. It has been recalled 1 time.

When it fails
020k40k60k90k120k200k
75,000 milesMedian miles at failure

67 complaints record an odometer reading. Failures cluster around 60,00075,000 miles.

What fails
ComponentReportsCrashesFiresInjuries
Seats16
000
Power Train13
200
Electrical System12
000
Vehicle Speed Control4
001
Power Train › Automatic Transmission4
000
Engine4
000
Unknown or Other3
000
Structure › Body3
100
Engine and Engine Cooling › Cooling System3
000
Wheels2
000

1 safety recall

Part 573 reports
Visibility › Glass, Side/Rear07E104000
Filed Dec 11, 20071,657 vehiclesSafelite Fulfillment, Inc.

Defect. CERTAIN CURVED TEMPERED REPLACEMENT GLASS MANUFACTURED BY HANGZHOU SAFETY GLASS LTD AND SUPPLIED TO SAFELITE BY AUTO TEMP INC., IDENTIFIED AS DOT-430, AND SOLD FOR USE ON CERTAIN DOMESTIC AND FOREIGN VEHICLES MAY NOT BREAK INTO SMALL PIECES AS EXPECTED OF TEMPERED GLASS AND FAILS TO CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 205, "GLAZING MATERIALS."

Risk. IN THE EVENT OF A VEHICLE CRASH, THE OCCUPANT(S) MAY BE SERIOUSLY INJURED BY SHATTERED GLASS.

Remedy. SAFELITE WILL NOTIFY ITS RETAIL CUSTOMERS AND REPLACE THE GLASS FREE OF CHARGE. RETAIL CUSTOMERS CAN CONTACT SAFELITE TOLL FREE AT 1-888-843-2906. SAFELITE WILL NOTIFY ITS WHOLESALE CUSTOMERS AND REIMBURSE WHOLESALE CUSTOMERS FOR CURRENT INVENTORY AND AT A SPECIFIED RATE FOR REPLACING THEIR CUSTOMER'S GLASS. WHOLESALE CUSTOMERS CAN CONTACT SAFELITE'S WHOLESALE DIVISION, SERVICE AUTOGLASS TOLL FREE AT 1-888-246-6298. THE RECALL BEGAN ON JANUARY 15, 2008.

What owners reported

Newest filings
Power Train
Filed Jun 18, 202578,000 milesCA

The contact owns a 2007 Mercury Mountaineer. The contact stated that after shifting the transmission from park(P) to reverse(R), the vehicle failed to respond. The contact removed and reinserted the fob key in the ignition to correct the failure. The vehicle was taken to an independent mechanic, who diagnosed that an unknown transmission part needed to be replaced. The vehicle was not repaired. The mechanic instructed the contact to pull the park release lever each time to shift the vehicle out of park (P). The manufacturer was made aware of the failure and advised the contact to file a complaint with the NHTSA Hotline. The failure mileage was approximately 78,000.

Seat Belts
Filed May 14, 2025IL

I buckle the seat belt and it just comes unbuckled spontaneously when I’m driving. I check to see if the seat belt is secure by pulling on it. It seems secure but still unbuckles. I usually have to redo my seatbelt every 5 minutes. I do not feel like it will keep me safe in a collision

Tires › Sidewall
Filed May 3, 2024NY

My husband had purchased 4 brand new COOPER TIRES EVOLUTION H/T M+S size P235 / 65 R 18 a number of years ago. My husband has since passed away. I cannot find my sales receipt due to the fact my husband had paid for the tires in question. I do not know what he did with the sales receipt. I have a few good-faith efforts and attempts to bring this matter to COOPER TIRES but each and every time I got the same reply from them "NO we cannot help you. We will not be able to warranty your tires for you......we need a sales receipt......" I had my good friend take my vehicle to a local tire dealer and installer recommended by COOPER TIRES and this tire dealer found that: (1) all 4 COOPER TIRES on my vehicle look and are brand new (2) tire tread depth on all 4 COOPER TIRES on my vehicle are 8/32 " (3) three COOPER TIRES on my vehicle show a DOT date code of 2017 and one COOPER TIRE on my car shows a DOT date code of 3817 (4) all four COOPER TIRES on my vehicle have numerous cracks on the sidewall of the tires which is a manufacture defective and COOPER TIRES should replace all 4 tires on my car (5) the right-rear COOPER tire on my vehicle is leaking air from the sidewall due to the cracks. (6) COOPER TIRES should under the law include my tires under their national recall list because the COOPER TIRES on my vehicle have the same (1) make and model tire (2) the exact same size tire (3) all 4 COOPER TIRES on vehicle were made in the same factory as the rest of the recall tires (4) three

Engine
Filed May 4, 2023PA

If you set cruise control while driving under 45 mph the engine shuts off.

Electrical System
Filed Jan 19, 2023MN

It happens every time I drive this vehicle. The ignition is lose, so the key jiggles and if their is too much bumping or shaking the key slightly moves and the seat and interior lights come on now I’ve tried Combat the issue with keeping the lights off on the interior and thought maybe I could turn off the seat function still haven’t figured that out yet

Unknown or Other
Filed Aug 18, 2022MI

I was driving on the expressway and my truck just shut off. The car panel Illuminati to a check engine light and a wrench. I had to put on my caution light and make it to the shoulder. That was scary. I sat for 10 minutes before it started back up. I've taken it to the dealership and all they did was guess what the problem could be. They said it might be the fuel pump or something electric or the computer. That's not doing me any good, because I'm still having this problem.

Power Train
Filed Apr 12, 2021137,000 milesPA

HAD TO REPLACE TRANSMISSION COMPLETELY AT 137,000 MILES. THERE'S BEEN A LOT OF COMPLAINTS ABOUT THESE TRANSMISSIONS AT THIS MILEAGE AND FORD SHOULD BE RESPONSIBLE FOR SOME OF THE COST. THIS IS RIDICULOUS.

Power Train
Filed Oct 24, 2019130,000 milesMI

I HAD TO REPLACE THE TRANSMISSION AND SOME OTHER RELATED PARTS IN MY VEHICLE AND I WAS INFORMED BY A DEALERSHIP THAT THERE WAS A "SILENT RECALL" ON THIS TRANSMISSION AND THAT EVEN THOUGH FORD MOTOR COMPANY WAS AWARE OF THE ISSUES AS EARLY AS 2000 THEY CONTINUE TO INSTALL THEM IN VEHICLES. IF YOU LOOK ONLINE YOU WILL SEE QUITE A NUMBER OF COMPLAINTS ON THIS TRANSMISSION. I FEEL SINCE FORD KNOWINGLY KEPT USING THESE TRANSMISSIONS AND WAS WELL AWARE OF THEIR POSSIBLE FAILURE WHEN THEY REACHED 130,000 MILES THAT THEY SHOULD BE RESPONSIBLE FOR AT LEAST A PORTION OF HE COSTS IF INDEED, NOT ALL OF THE COST OF REPLACEMENT. WHAT HAPPENS WHEN A CAR COMPANY PUTS OUT A SILENT RECALL? DO I HAVE ANY RIGHTS? I HAVE ALREADY SENT A CERTIFIED LETTER TO FORD MOTOR CUSTOMER RELATIONS IN DEARBORN, MI AND I HAVE A SIGNED RECEIPT THAT THEY ACCEPTED MY LETTER BUT THEY HAVE NOT BOTHERED TO CONTACT ME AT ALL. WHAT ARE MY OPTIONS AND IS THIS SOMETHING YOU CAN HELP ME WITH? THE FIRST TIME THIS TRANSMISSION CAUSED A PROBLEM WAS WHEN WE WERE IN 5 PM TRAFFIC ON A ROAD WITH A SPEED LIMIT OF 55 MILES AN HOUR AND THE CAR JUST STOPPED LEAVING MY FAMILY IN THE MIDDLE OF A BUSY TWO LANE ROAD WHICH WAS VERY DANGEROUS. WE WERE FINALLY ABLE TO GET THE VEHICLE TO THE SHOULDER. I CAN FORWARD MY BILLS AND COPIES OF ONLINE CONVERSATIONS REGARDING THE FAILURE OF THESE TRANSMISSIONS.

Unknown or Other
Filed Oct 10, 2019215,297 milesCA

CAN'T REGISTER MY VEHICLE BECAUSE I'M TOLD THAT THE CATALYTIC CONVERTER IS NOT LEGAL FOR USE IN CALIFORNIA, AND IT IS NOT AVAILABLE AFTER AN EXTENSIVE NATION WIDE SEARCH OF DIFFERENT CATALYTIC CONVERTER MANUFACTURERS. HOW OR CAN YOU HELP ME TO RESOLVE THIS MATTER.

Electrical System
Filed Sep 6, 20195 milesIL

1ST WHILE DRIVING THE DRIVER'S SEAT CONTINUES TO MOVE BACK N FORTH FROM WAY BACK TO UP CLOSE DRIVING THIS VEHICLE WHILE THIS SEAT MOVES IS VERY DANGEROUS EVERYTIME I LOCK THE DOORS THEY UNLOCK N ONLY LOCK WHEN OFF

Electrical System
Filed Jun 13, 2019140,859 milesUT

I WAS DRIVING HOME ON A BUSY CITY STREET WHEN I STOP AT A STOP LIGHT TO TURN RIGHT. WHEN I WENT TO ACCELERATE MY MERCURY MOUNTAINEER WHEN IN TO LIMP MODE. AS I INSPECTED THE SUV FOR PROBLEMS I NOTICED THE MY ENGINE/TRANSMISSION WIRE HARNESS WAS BRITTLE AND EXPOSING BARE WIRE AND THAT THE WIRES WERE TOUCHING EACH OTHERS CAUSE THEM TO SHORT OFF THE VEHICLE COMPUTER SYSTEM AND FRYING ELECTRICAL COMPONENTS. IT ALSO CAUSED THE TRANSMISSION TO MALFUNCTION AND SHIFT WRONG WHICH IN TURN CAUSING THE TORQUE CONVERTER TO FAIL AND DESTROY THE TRANSMISSION.

Air Bags
Filed Jan 10, 2019110,000 milesIN

I AM RECEIVING FALSE READINGS AS TO THE ACTIVATION OF THE AIR BAGS. THIS HAPPENS WHEN I AM STARTING THE VEHICLE AND ALSO WHEN I AM OPERATING THE VEHICLE ON THE HIGHWAY. I CAN TURN THE VEHICLE OFF AND RESTART IT, AND SOMETIMES THE INDICATOR WORKS PROPERLY AND SOMETIMES IT DOES NOT. I EXPERIENCE THE SAME PROBLEM SOMETIMES WHEN THE PASSENGER SEAT IS OCCUPIED. MY CONCERN IS THE FACT I DON'T KNOW IF MY AIRBAG IS OPERATIONAL OR NOT. I CONTACTED MY LOCAL DEALER AND WAS INFORMED I WOULD BE CHARGED $99 TO JUST HAVE IT CHECKED. I HAVE NOT DONE SO.

Interior Lighting
Filed Sep 26, 2018207,000 milesTN

TL* THE CONTACT OWNS A 2007 MERCURY MOUNTAINEER. WHILE DRIVING VARIOUS SPEEDS, THE INTERIOR LIGHTING ILLUMINATED AND THE DRIVER'S SEAT UNINTENTIONALLY MOVED BACKWARDS. THE CONTACT STATED THAT THE FAILURES OCCURRED PERIODICALLY. THE VEHICLE WAS NOT TAKEN TO A DEALER FOR DIAGNOSTIC TESTING OR REPAIRS. THE MANUFACTURER WAS MADE AWARE OF THE FAILURES. THE FAILURE MILEAGE WAS 207,000.

Engine
Filed Aug 28, 201880,000 milesNY

CAR RAN ROUGH & HESITATED/SURGED UPON ACCELERATION. APPARENTLY THIS IS A COMMON FORD PROBLEM INVOLVING PREMATURE SPARK PLUG BREAK DOWN IN THE FORD TRITON ENGINE SEE FORD SPARK PLUG CLASS ACTION SETTLEMENT. SHULTZ FORD IN NANUET NY DIAGNOSED THE PROBLEM AS FAULTY PLUGS, THERE WAS ALSO A RISK OF BREAKING PLUGS UPON REMOVAL. I HAD THEM DO THE REPAIRS AT A COST OF $788. LATER I FOUND THAT THERE WAS A SETTLEMENT, HOWEVER MY CAR WAS NOT INCLUDED EVEN THOUGH IT HAD THE SAME ENGINE AS THE CARS/TRUCKS/ SUV'S THAT WERE INCLUDED IN THE SETTLEMENT. FORD CUSTOMER SERVICE SAID THERE WAS NOTHING THEY COULD DO RE: REIMBURSING ME FOR THE REPAIR EXPENSE AS MY SUV WAS NOT INCLUDED IN THE SETTLEMENT. THEY SUGGESTED I FILE THIS COMPLAINT. CAN I GET SOME SATISFACTION?

Power Train
Filed May 30, 201860,000 milesMI

TL* THE CONTACT OWNS A 2007 MERCURY MOUNTAINEER. WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE WOULD JUMP AND JERK. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC AND IT WAS DIAGNOSED THAT THE TRANSMISSION FAILED. THE DEALER AND MANUFACTURER WERE NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 60,000. *TT UPDATED 9/21/18*JB

Electrical System
Filed Apr 30, 2018171,237 milesOH

PASSENGER SEATBELT LOCKS WILL NOT UNLOCK UNLESS YOU UNBUCKEL THE BELT IT JUST KEEPS GETTING TIGHTER HAVE A PROBLEM WHERE THE YOU PUSH DOWN ON GAS IT WON'T DO ANYTHING FOR A MOMENT THEN JOLT FORWARD AN THE MAIN PROBLEM IT WITH THE ELECTRIC IF YOU BARLEY TOUCH THE IGNITION SWITCH OR CONTROLS FOR THE SEAT THE SEAT MOVES THE IGNITION ALSO NOT ONLY MOVES THE SEAT BUT A COUPLE TIMES IT HAS SHUT THE CAR OFF AND ONCE LOCKED US IN THE CAR HAD TO PUT THE KEYS IN AND START TO GET IT TO UNLOCK AND ONCE LOCKED US OUT WITH KEYS STILL IN IGNITION SWITCH

Electrical System
Filed Apr 8, 2018150,000 milesMA

WHILE DRIVING MY SEAT WILL RANDOMLY MOVE BACK AND FORTH AS IF I TOOK THE KEYS OUT. THOUGHT SOMETHING WAS WRONG WITH MY TRANSMISSION BUT AFTER HAVING THE GARAGE PUT TRANSMISSION FLUID IN IT STILL FEELS LIKE THE TRANSMISSION IS MESSED UP EVEN THOUGH THE GARAGE SAYS THE TRANSMISSION IS FINE.

Seats
Filed Mar 16, 201877,800 milesMA

INTERMITTENTLY, THE SEAT MOVES TO THE 'EASY EGRESS' POSITION WHILE THE CAR IS IN MOTION. THE DOME LIGHT COMES ON, AS IT WOULD IF YOU WERE GETTING OUT OF THE CAR. FROM READING THE MANY SIMILAR COMPLAINTS, I AGREE THAT IT HAPPENS WHEN BRAKING OR TURNING AND IT HAPPENS AT ALL SPEEDS. THIS STARTED HAPPENING ABOUT ONE MONTH AGO. NO ACCIDENT YET BUT IT'S VERY JARRING AND DANGEROUS.

Power Train
Filed Jan 28, 2018121,000 milesVA

TRANSMISSION WOULD NOT SHIFT OUT OF LOW GEAR

Seats
Filed Nov 6, 2017150,260 milesNV

WHILE DRIVING MY CHILDREN TO SCHOOL THIS MORNING MY SEAT ADJUSTED ITSELF A COUPLE OF TIMES SO THAT I HAD A DIFFICULT TIME REACHING THE PEDALS UNTIL I COULD GET IT BACK TO THE PROPER POSITION. THIS HAS HAPPENED BEFORE BUT I THOUGHT IT WAS A "FLUKE". TODAY, WHEN I PICKED MY KIDS UP AND DROVE HOME IT HAPPENED 7 TIMES IN 3 MILES AND ALMOST CAUSED ME TO HIT A PEDESTRIAN. THIS HAPPENED ON A CITY STREET. I WAS UNABLE TO ISOLATE A "TRIGGER" TO THE MOVEMENT. ONE TIME I WAS GOING ABOUT 30 ON A STREET, ANOTHER TIME I WAS SLOWING DOWN TO A STOP SIGN AT A BUSY INTERSECTION.

20 of 81 complaints, reproduced as filed.

Across model years

Worst on record: 2002
YearComplaintsRecallsFiresDeathsAssessment
201013100Routine
20096000Routine
200896200Routine
2007 — this page81100Routine
2006117220Routine
200582100Routine
2004210120Above average
2003152150Routine
2002372470Above average
200122410Routine
20001238120Routine
1999151951Fatalities reported
19982366231Fatalities reported
19973287101Fatalities reported
19963200Routine

Compare every Mountaineer year →

Reading this record

No unusual pattern of severe incidents in the complaint record.

Complaint counts track how many cars were sold and how long they have been on the road as much as they track quality. A common model from 2013 has had a decade to accumulate reports; a rare one from last year has not. The signal worth weighing is in the severity columns, in whether the same component keeps appearing, and in whether the manufacturer eventually opened a recall for it.

Recall repairs are free for as long as the recall stands. Check whether a specific car still has open work at NHTSA's VIN lookup.

Most recent recall on file: Dec 11, 2007. Source: NHTSA Office of Defects Investigation.