WAS ON A VERY BUSY FOUR-LANE ROAD DRIVING APPROXIMATELY 55 MILES PER HOUR; IT WAS DARK AND RAINING. THE CAR SUDDENLY SLOWED TO ALMOST NO MOVEMENT, BUT THE ENGINE WAS RUNNING. WAS ABLE TO DRIFT INTO A LOWE'S PARKING LOT SAFELY OFF THE HIGHWAY. THE ENGINE LIGHT AND A WRENCH SYMBOL APPEARED; I CUT THE ENGINE OFF AND WAITED ABOUT 10 MINUTES AND RESTARTED. VEHICLE GOT ME TO THE HOTEL WHERE I WAS ST…
2011 Mercury Mariner powertrain problems
moderate 20 complaints filed with NHTSA · avg repair $2,500
Complaints
20
Recalls
0
Crashes
0
Avg fix
$2,500
What owners are reporting 7 most recent
MY WIFE WAS DRIVING THE 2011 MERCURY MARINER ON THE INTERSTATE AT 60 MPH WHEN THE WRENCH LIGHT (THROTTLE CONTROL/POWERTRAIN) CAME ON AND THE CAR SPEED DROPPED RAPIDLY TO ABOUT 20 MPH. FORTUNATELY SHE WAS ABLE TO PULL THE MARINER OVER TO THE SIDE OF THE INTERSTATE AND CAME TO A STOP AND SHUT THE ENGINE OFF. WHEN SHE RESTARTED THE MARINER THE LIGHT WENT AWAY AND POWER TO THE MARINER WAS RESTORED. TH…
I WAS DRIVING ON THE INTERSTATE AT ABOUT 65MPH. VEHICLE BECAME UNRESPONSIVE TO THE GAS PEDAL INPUT. CHECK ENGINE (YELLOW WRENCH) LIGHT CAME ON. I HAD TO CROSS OVER TO THE RIGHT SIDE OF THE ROAD, WHILE COASTING WITH THE ENGINE AT IDLE. CAME TO A STOP AND THAT'S WHEN I REALIZED THAT THE CAR WAS AT IDLE AND WOULD NOT RESPOND TO THE GAS PEDAL. TURNED OFF THE CAR, AND IT RESTARTED AFTER A LONGER T…
I WAS DRIVING ABOUT 60 MILES AN HOUR ON AN EXPRESSWAY WHEN THE THROTTLE CONTROL/POWERTRAIN INDICATOR LIGHT CAME ON AND I COULD NO LONGER ACCELERATE THE VEHICLE. AS I PULLED OVER TO STOP, THE VEHICLE LURCHED FORWARD MULTIPLE TIMES BEFORE I WAS ABLE TO SHUT THE ENGINE OFF. *TR
ON THE MORNING OF SEPTEMBER 10, 2013, AFTER ABOUT A 30 MINUTE COMMUTE TO MY PLACE OF WORK, I PULLED INTO MY WORK DRIVEWAY, AND MY 2011 MERCURY MARINER STALLED. THE ENGINE SEEMED TO CUT OFF, THE WRENCH LIGHT CAME ON, AND MY VEHICLE ROLLED INTO THE PARKING SPOT. UNSURE OF WHAT HAD HAPPENED WITH MY VEHICLE (AS IT HAD NEVER HAPPENED BEFORE), I IMMEDIATELY CALLED MY LOCAL FORD DEALERSHIP SERVICE DEPA…
WRENCH LIGHT ON MERCURY MARINER 2011 WITH SLOW (20-40MPH MAX) AND ROUGH RIDE HOME. YESTERDAY WHILE LEAVING WORK, I TURNED RIGHT OUT OF THE PARKING LOT ONTO THE MAIN ROAD. IMMEDIATELY MY MARINER HESITATED, JERKED FORWARD, AND A WRENCH LIGHT CAME ON. MY SUV SLOWLY ACCELERATED TO 20MPH AND STRUGGLED TO GET TO 40MPH. IT ROAD ROUGH AND I WASN'T SURE IF IT WOULD STALL OR NOT; HOWEVER, I WAS ABLE TO SLO…
VEHICLE WAS EXITING A PARKING LOT, STOPPED IN THE RIGHT TURN LANE. PRESSED ACCELERATOR TO PULL OUT OF PARKING LOT AND VEHICLE BEGAN JOLTING VIOLENTLY BACK AND FORTH AND BARELY MOVING FORWARD - BUT DID MOVE INTO THE ONCOMING TRAFFIC LANE. EVENTUALLY VEHICLE WAS UNABLE TO MOVE AND ENGINE STOPPED. HAD TO PUSH VEHICLE TO SIDE OF ROAD TO RESTART. DEALER ADVISED BROKEN "THROTTLE BODY AND MO" NOT COV…
Common questions
How serious is the powertrain problem on the 2011 Mercury Mariner?
It's a documented issue but not catastrophic. 20 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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