TL* THE CONTACT OWNS A 2007 MERCURY MARINER. THE CONTACT STATED THAT THE VEHICLE WOULD NOT SHIFT INTO ANY GEAR. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THEY ADVISED HER THAT THE AUTOMATIC TRANSMISSION ASSEMBLY OIL COOLER, VALVE, GASKETS, DRIVE PLATE STEEL, PISTONS, SEALS, AND SCREENS NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED FOR ALL COMPONENTS HOWEVER, APPROXIMATELY 20,000 MILES LATER, THE…
2007 Mercury Mariner powertrain problems
moderate 10 complaints filed with NHTSA · avg repair $2,500
Complaints
10
Recalls
0
Crashes
0
Avg fix
$2,500
What owners are reporting 9 most recent
THE VEHICLE HAD BEEN DRIVING PERFECTLY NORMAL ALL DAY. IN THE EVENING, WHILE DRIVING IN A HEAVILY-TRAFFICKED AREA, UNEXPECTEDLY OUR MARINER WOULD NOT SHIFT OUT OF 1ST GEAR - THE ENGINE REVVED, BUT THE CAR WOULD JUST BARELY MOVE. IT FINALLY SHIFTED INTO 3RD GEAR, BUT NEVER WOULD GO INTO 4TH. ALL THE WHILE, THE O/D LIGHT ON THE INSTRUMENT PANEL WAS GOING ON AND OFF. THIS PATTERN CONTINUED FOR SEVERA…
COMING OFF A STOP SIGN, THE VEHICLE WOULD NOT SHIFT INTO SECOND, COULD FEEL IT FINALLY JUMP INTO 3. TOOK IT TO A TRANSMISSION SHOP AND WAS TOLD THE TRANSMISSION HAD NO 2 AND 4TH GEARS. UPON LOOKING ONLINE, TRANSMISSIONS AND POWERTRAINS ARE KNOWN DEFECTS WITH THIS MODEL/YEAR. JUST HAD TO SPEND $2000.00 TO HAVE THIS REPAIRED AS FORD IGNORED PREVIOUS COMPLAINTS FROM CONSUMERS!! *TR
TL* THE CONTACT OWNS A 2007 MERCURY MARINER. THE CONTACT STATED THAT SHE STARTED THE IGNITION AND ATTEMPTED TO REVERSE FROM A RESIDENTIAL DRIVEWAY BUT THE VEHICLE WAS EXTREMELY SLUGGISH. THE CONTACT STATED THAT IT FELT AS IF THE VEHICLE HAD ENGAGED IN NEUTRAL. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURR…
TL* THE CONTACT OWNS A 2007 MERCURY MARINER. WHILE THE CONTACT'S SON WAS DRIVING THE VEHICLE, THE TRANSMISSION SLIPPED AND WENT INTO OTHER GEARS. WHEN THE VEHICLE WAS IN NEUTRAL, IT SHIFTED INTO DRIVE ON ITS OWN. ON ANOTHER OCCASION, THE CONTACT'S SON STATED THAT THE VEHICLE FELT AS IF IT WERE DRAGGING AFTER IT JUMPED. IN ADDITION, "OVERDRIVE" APPEARED ON THE CONTROL PANEL THE VEHICLE WAS TOWED T…
I WAS DRIVING TO WORK AND CAR BEGAN TO MAKE A LOUD RATTLE NOISE, OD LIGHT FLASHED (OD OFF) AND PULLED OVER. I ATTEMPTED TO PULL BACK ON ROAD AND CAR WOULD NOT SHIFT INTO 2ND GEAR. TRANSMISSION PROBLEM. 1800.00 REPAIR. NOW 2013 EXACTLY 3 YEARS LATER AND CAR BEGINS SAME THING ALL OVER AGAIN. DIAGNOSTIC TEST STATES NEEDS NEW TRANSMISSION. TOLD THESE CARS HAVE HAD THESE PROBLEMS FROM THE GET GO.…
TL* THE CONTACT OWNS A 2007 MERCURY MARINER. THE CONTACT STATED THAT WHILE DRIVING 20 MPH, THE OVERDRIVE LIGHT ILLUMINATED. THE CONTACT PUSHED THE OVERDRIVE BUTTON TO DEACTIVATE THE SYSTEM BUT THE LIGHT DID NOT DEACTIVATE. THE CONTACT ALSO STATED THAT THE VEHICLE STALLED WHILE DRIVING AND THE TRANSMISSION DID NOT SHIFT IN A TIMELY MANNER. THE CONTACT TOOK THE VEHICLE TO A DEALER FOR A DIAGNOSTIC T…
INTERNAL TRANSMISSION FAILURE; NEEDS REPLACEMENT TRANSMISSION. HAD DONE ALL FACTORY RECOMMENDED SERVICES WHEN DUE INCLUDING TRANSMISSION FLUSHES. TRANSMISSION SHOULD NOT HAVE FAILED AT THIS MILEAGE, ESPECIALLY GIVEN THE FACT THAT CAR WAS SERVICED ACCORDING TO MANUFACTURER SPECIFICATIONS. HAVE HAD NUMEROUS OTHER CARS WITH SUBSTANTIALLY MORE MILEAGE AND NO TRANSMISSION ISSUES. *TR
MY 18 YEAR OLD SON WAS DRIVING MY 2007 MERCURY MARINER, WHEN IT STARTED MAKING LOUD NOISES AND SHAKING LIKE CRAZY, HE WAS BARELY ABLE TO KEEP THE VEHICLE RUNNING TO GET HOME. WHEN MY HUSBAND LOOKED AT VEHICLE AND SAW WHAT IT WAS DOING, HE THINKS THE TRANSMISSION HAS GONE OUT ON IT. WE HAD DRIVEN THE VEHICLE TO CHURCH SUNDAY MORNING (SAME DAY) AND THERE WAS NO SIGNS OR SYMPTOMS OF ANY KIND OF PR…
Common questions
How serious is the powertrain problem on the 2007 Mercury Mariner?
It's a documented issue but not catastrophic. 10 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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