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Transmission and drivetrainPart report

2011 Mercury Mariner Transmission and drivetrain Problems

Complaints
24about this part
Share
28%of 87 total for the year
Median mileage
46,000miles
Trend
StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.

NHTSA recorded 24 complaints about the transmission and drivetrain of the 2011 Mercury Mariner, 28% of the 87 complaints for this model year. Where a mileage was given, the median is 46,000 miles.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“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.”

NHTSA complaint #10919251, filed 2016-10, 63,000 miles

“The throttle is not working right. I was almost in 2 accidents because of this. I step on the gas and nothing happens. I hear that 1000s are having the same problem but no recall. This is very dangerous when in a 75 MPH zone and suddenly no power.”

NHTSA complaint #10938982, filed 2017-01, 32,012 miles

“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 department. …”

NHTSA complaint #10546331, filed 2013-09, 60,884 miles

“I was driving down the highway on my afternoon commute home with my 3 yr old daughter in the back seat and my vehicle lost power and the check engine light and a wrench light came on and it would not go above 25 MPH. I almost got hit in the rear of my vehicle cause I was not expecting this to happen by any means, but I was able to coast off the highway and shut the engine down for a few minutes and restarted it drove about 5 miles and it did it again.”

NHTSA complaint #10606077, filed 2014-06, 60,000 miles

“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 slowly make it home. I looked up the wrench light and learned I was likely having a throttle body or powertrain problem. …”

NHTSA complaint #10910244, filed 2016-09, 90,000 miles

Related service bulletins

Transmission and drivetrain: other model years

YearComplaintsShare of year
20112428%
20106022%
20094414%
20086614%
20071133%
20061117%
20051522%

Other parts of the 2011 Mercury Mariner

Fuel system
28 complaintsSteering
20 complaintsVehicle speed control
15 complaintsEngine
11 complaintsElectrical system
6 complaintsVisibility (wipers, defrost, mirrors)
6 complaintsEngine cooling
3 complaintsOther or unknown
3 complaintsAir bags
2 complaintsEquipment
1 complaintsSuspension
1 complaints

← All problems reported for the 2011 Mercury Mariner

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology