2011 Mercury Mariner Problems
Shopping for a used 2011 Mercury Mariner? This page highlights owner-reported complaint patterns and recall history so you can inspect the right systems before buying. Based on 86 real NHTSA owner complaints, with Transmission / Drivetrain the most reported area.
Before you buy
This 2011 Mercury Mariner has 86 NHTSA complaints β top issue: Transmission / Drivetrain.
A model-year pattern isn't the car in front of you. Check this exact VIN for accidents, open recalls, odometer rollback, and salvage titles.
Free preview Β· Full report from $12.95.
2011 Mercury Mariner Fuel Economy
β EPA Official DataEPA-rated fuel economy across 4 2011 Mercury Mariner trim configurations. The median figure is shown; range reflects all available trims.
Source: EPA FuelEconomy.gov. Figures reflect EPA lab testing; real-world results vary by driving style, load, and conditions. 4 trims analysed.
2011 Mercury Mariner Safety Ratings
NHTSA 5-Star Program2 variants tested β showing 2011 Mercury Mariner 4DR SUV 4x4Official crash test results from the NHTSA 5-Star Safety Ratings program. Stars reflect government-conducted tests; higher is safer.
Overall
20.4% rollover risk
Frontal Crash
Side Crash
Rollover
20.4% probability
Source: NHTSA 5-Star Safety Ratings. Ratings are based on government crash tests and may not reflect all trim levels.
Based on NHTSA complaint data, the 2011 Mercury Mariner has 86 owner complaints, 2 crash-related complaints, and 3 recall campaigns on record. The most frequently reported component is Transmission / Drivetrain. NHTSA reliability signal: Notable Issues.
- Make
- Mercury
- Model
- Mariner
- Model year
- 2011
- NHTSA owner complaints
- 86
- Crash-related complaints
- 2
- Safety recall campaigns
- 3
- Top reported component
- Transmission / Drivetrain
- Reliability signal
- Notable Issues
- EPA MPG combined
- 22
- EPA MPG city / highway
- 20 / 26
- Fuel type
- Regular Gasoline
- NHTSA overall safety rating
- 3/5 stars
- NHTSA frontal crash rating
- 3/5 stars
- NHTSA side crash rating
- 3/5 stars
- NHTSA rollover rating
- 3/5 stars
- Electronic stability control
- Standard
Common problems
Most common 2011 Mercury Mariner problems
Top owner-reported complaint areas and where they often appear.
Transmission / Drivetrain
Fuel/Propulsion System
Steering Defects
Complaint patterns center on Transmission / Drivetrain, Fuel/Propulsion System, Steering Defects. Use these as a pre-purchase inspection guide, then verify recall and damage history on the specific VIN.
Buyer verdict
Should you buy a used 2011 Mercury Mariner?
The 2011 Mercury Mariner shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase.
Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report.
Pre-purchase
What to check before buying a used 2011 Mercury Mariner
Inspection Focus
- Inspect the transmission and drivetrain for any signs of malfunction or unusual behavior.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for transmission, fuel system, and steering components.
- Have a mechanic inspect the vehicle thoroughly before purchase.
Before You Close the Deal
- Inspect the transmission and drivetrain for any signs of malfunction or unusual behavior.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for transmission, fuel system, and steering components.
- Have a mechanic inspect the vehicle thoroughly before purchase.
Check the exact car
Shortlist with model-year data. Decide with the exact VIN.
Before buying a used 2011 Mercury Mariner, run a VIN history report to verify accidents, title brands, odometer records, theft checks, and open recalls for the exact vehicle.
AI verdict
What the complaint data suggests
Editorial interpretation of NHTSA public complaint data. Source: nhtsa.gov. Complaints are owner-submitted and do not confirm a defect. Methodology
NHTSA complaints for the 2011 Mercury Mariner are concentrated in the transmission/drivetrain and fuel/propulsion system, with steering defects and unintended acceleration also frequently reported. The data suggests potential issues in these areas, but the low confidence level and limited model year range mean patterns should be interpreted cautiously.
- Transmission/drivetrain complaints are the most numerous, with 24 reports.
- Fuel/propulsion system complaints total 22, indicating a possible recurring issue.
- Steering defects were reported 19 times, and unintended acceleration 15 times.
- Transmission / Drivetrain issues appear to be the most common complaint.
- Fuel/Propulsion System problems are also frequently reported.
- Steering Defects and Unintended Acceleration are notable concerns.
Full breakdown
All 2011 Mercury Mariner complaints by category
Every owner-reported complaint category filed with NHTSA for the 2011 Mercury Mariner. Use this as a pre-purchase inspection checklist.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Transmission / Drivetrain | 24 | β | β | β | |
| Fuel/Propulsion System | 22 | β | β | β | |
| Steering Defects | 19 | β | β | β | |
| Unintended Acceleration | 15 | 1 | β | β | |
| Engine Problems | 14 | β | β | β | |
| Fuel System | 7 | β | β | β | |
| Gasoline | 7 | β | β | β | |
| Electrical Faults | 6 | β | β | β | |
| Uncategorized Issues | 3 | β | β | β | |
| Visibility/Wiper | 3 | β | β | β | |
| Visibility | 3 | β | β | β | |
| Equipment | 2 | β | β | β | |
| Airbag Malfunctions | 2 | 2 | β | β | |
| Suspension Failures | 1 | β | β | β |
Source: NHTSA Complaints Database. Complaint counts may exceed total complaints because one report can span multiple categories.
In their words
Real owner complaints
Read what owners actually reported to NHTSA for the 2011 Mercury Mariner. Type a keyword (e.g. βtransmissionβ, βstallingβ, βbrakesβ) to filter.
My dealer says my subframe needs to be replaced, and controll arm at a cost of 3600 dollars, I don't understand why my subframe needs to be replaced, I've owned cars for as long as 20 yrs and never had that problem. This sounds like a manufacturers problem.
The contact owns a 2011 Mercury Mariner. The contact stated that while driving at an undisclosed speed, there was a strong fuel odor inside the vehicle. In addition, the contact stated that the fuel odor was noticeable all the way to the rear seat. The vehicle was taken to the deβ¦
The contact owns a 2011 Mercury Mariner. The contact stated that while attempting to make a turn from a complete stop, the steering wheel became significantly difficult to turn. The contact was able to turn the vehicle by using physical force. The contact stated that the failure β¦
The contact owns a 2011 Mercury Mariner. The contact stated that while driving at an undisclosed speed, the vehicle lost motive power and failed to accelerate above 10 MPH. The contact was able to pull to the shoulder of the roadway, after which the vehicle stalled. After restartβ¦
The contact owns a 2011 Mercury Mariner. The contact stated while entering a fast-food drive-thru, the power steering warning light illuminated, and the steering wheel became difficult to turn. The vehicle was not diagnosed or repaired. A dealer was not contacted. Upon investigatβ¦
While my wife was driving the vehicle, the power assisted steering failed and produced a "power assist fault code" on the display. The car became too hard for a 74 year old woman to be able to steer. I took the car to the Ford dealer near me who confirmed it was the steering torqβ¦
The contact owns a 2011 Mercury Mariner. The contact stated that the steering wheel was difficult to turn. The contact stated that the steering wheel was spinning in circles. The vehicle was taken to the local dealer where it was diagnosed that the steering column needed to be reβ¦
The contact owns a 2011 Mercury Mariner. The contact stated that while driving at various speeds, the steering wheel became difficult to turn in either direction. After turning off the vehicle and restarting the engine, the vehicle would operate normally. The vehicle was taken toβ¦
The fuel system is not working properly.Iβm scared to drive it anymore.i canβt even put gas in it.
This car has excessive under body rust under all the wheels wells. I was just told that my car would not pass a State Inspection because the on the front drivers side there is a bracket that holds up the engine is almost totally gone. I have read and over that this vehicle has β¦
When I put gas in my car i smell it while driving like itβs leaking and it say on my dash board check fuel inlet
I'M VERY UPSET AND ON THE VERGE OF TEARS! MY STEERING WHEEL SUDDENLY LOCKED ON ME! I ALMOST WRECKED! THIS HAS HAPPENED A FEW TIMES & I HAVE NO WARNING LIGHT ON MY DASHBOARD
TL* THE CONTACT OWNS A 2011 MERCURY MARINER. THE CONTACT STATED THAT THE VEHICLE EXPERIENCED INTERMITTENT POWER STEERING ASSIST FAILURE WITH AN UNKNOWN WARNING LIGHT ILLUMINATED ON THE INSTRUMENT PANEL. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO INFORMED THE CONTACT THAβ¦
FRONT LOWER SUB FRAME RUST THROUGH IN ARIA UNDER A/C , CLOSE TO POINT OF BRAKING . SEAMS TO BE A COMIN PROBLEM AS MY REPAIR SHOP SAID THEY REPLACE THREE OR FOUR A YEAR . SOME HAVE BROKEN WHILE ON ROAD CAUSING STEERING PROBLEMS .THIS APPARENTLY HAPPENS WHEN THE VEHICLES ARE ABOUT β¦
TL* THE CONTACT OWNS A 2011 MERCURY MARINER. WHILE DRIVING 45 MPH, THE STEERING WHEEL BECAME DIFFICULT TO TURN. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE CONTACT ASSOCIATED THE FAILURE WITH NHTSA CAMPAIGN NUMBER: 14V284000 (STEERING). THE VEHICLE WAS TAKEN TO K C MOTORSPOβ¦
2011 MERCURY MARINER. CONSUMER WRITES IN REGARDS TO THROTTLE BODY WARRANTY EXTENSION. *LD *TR
TL* THE CONTACT OWNS A 2011 MERCURY MARINER. WHILE DRIVING APPROXIMATELY 60 MPH, THE STEERING ABILITY BECAME VERY DIFFICULT. THE CONTACT DECREASED THE SPEED AND DROVE HOME. THE DEALER WAS NOT NOTIFIED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE VEHICLE WAS NOT DIAGNOSED ORβ¦
TL* THE CONTACT OWNS A 2011 MERCURY MARINER. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 16V777000 (FUEL SYSTEM, GASOLINE); HOWEVER, THE PARTS TO DO THE REPAIR WERE UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE β¦
TL* THE CONTACT OWNS A 2011 MERCURY MARINER. THE CONTACT STATED THAT NHTSA CAMPAIGN NUMBER: 16V777000 (FUEL SYSTEM, GASOLINE) EXCEEDED A REASONABLE AMOUNT OF TIME FOR REPAIR. THE CONTACT RECEIVED THE RECALL NOTIFICATION IN JANUARY OF 2017. THE CONTACT SPOKE WITH OURISMAN FORD & Lβ¦
REGARDING: NHTSA RECALL NUMBER 14V-284, FORD RECALL NUMBER 14S05 ELECTRIC POWER STEERING THE RECALL INSTRUCTIONS TO DEALERS CALL FOR A SIGNAL TEST AND EITHER REPROGRAMMING A SENSOR OR REPLACING THE TORQUE SENSOR BASED ON THE RESULTS. IT ALSO CALLS FOR REPLACING THE TORQUE SEβ¦
Source: NHTSA Complaints Database. Real owner reports for the 2011 Mercury Mariner.
Safety recalls
2011 Mercury Mariner recalls
3 campaignsNHTSA recall campaigns for the 2011 Mercury Mariner. 3 recall campaigns are on record for this model year. Recalls are free to fix at authorized dealers, but completion status must be verified on the exact VIN.
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
SUSPENSION:FRONT:WHEEL BEARING
STEERING:ELECTRIC POWER ASSIST SYSTEM
Research more
Keep researching before you buy
Compare brands and categories, then check the exact car's history by VIN.
Questions
2011 Mercury Mariner buying FAQ
Buyer-focused answers based on real NHTSA complaint and recall data for this model year.
Is the 2011 Mercury Mariner reliable?βΎ
Notable Issues. NHTSA currently shows 86 owner complaints, 2 crash-related complaints, and 3 recall campaigns for this model year. The 2011 Mercury Mariner shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase. Treat this as a model-year signal, then verify the exact vehicle's condition and history before purchase.
What are the most common problems with the 2011 Mercury Mariner?βΎ
#1: Transmission / Drivetrain (24 complaints). #2: Fuel/Propulsion System (22 complaints). #3: Steering Defects (19 complaints)
At what mileage do problems start on the 2011 Mercury Mariner?βΎ
Mileage data is not available or insufficient for this model year.
How safe is the 2011 Mercury Mariner?βΎ
Complaint data is not the same as crash-test scoring, but it does highlight possible risk patterns. For the 2011 Mercury Mariner, NHTSA complaints include 2 crash-related reports and 0 fire reports out of 86 total complaints. 1 injury reports are also on file. For controlled crash-test ratings, check nhtsa.gov/ratings.
Does the 2011 Mercury Mariner have any recalls?βΎ
Yes. 3 NHTSA recall campaigns affect the 2011 Mercury Mariner. A major recall area is FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP. 3 recall campaigns are on record for this model year. Always verify open recalls by VIN because completion status varies by vehicle.
Should I buy a 2011 Mercury Mariner?βΎ
The 2011 Mercury Mariner shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase. Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report. Pay extra attention to Transmission / Drivetrain during inspection. Before committing, run a VIN history report to verify accidents, title brands, odometer records, and recall completion for the exact car.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinSpector AI.
Wider context: See the full Mercury Mariner reliability report with year-by-year comparison.
Owner Reliability Rating
Rate the 2011 Mercury Mariner based on your ownership experience.
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Ratings are based on owner experience and are separate from NHTSA data shown above.
Before you buy
Check the exact vehicle history before you buy
Model-year complaints and recalls reveal patterns. A VIN report confirms whether the exact car has accident history, title brands, mileage issues, or open recalls.