2011 Mercury Mariner Problems

Below Average Complaints

Real NHTSA owner complaints for the 2011 Mercury Mariner.

2010newer >
Complaints
120
Crashes
3
Fires
0
Injuries
2
Fatalities
Recalls
2

Worst 2011 Mercury Mariner Problems

Top 3 most-reported issues with average mileage at failure.

#124 complaints

Transmission / Drivetrain

Avg mileage:51,743 mi
#222 complaints

Fuel System

Avg mileage:52,574 mi
#319 complaints

Steering Defects

Avg mileage:127,295 mi
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All Problems by Category

Every NHTSA complaint category for the 2011 Mercury Mariner.

Transmission / Drivetrain
24
complaints
Crashes
Fires
Avg Miles
51,743
Fuel System
22
complaints
Crashes
Fires
Avg Miles
52,574
Steering Defects
19
complaints
Crashes
Fires
Avg Miles
127,295
Unintended Acceleration
15
complaints
Crashes
1
Fires
Avg Miles
42,690
Engine Problems
11
complaints
Crashes
Fires
Avg Miles
46,547
Electrical Faults
6
complaints
Crashes
Fires
Avg Miles
68,494
Gasoline Fuel System
6
complaints
Crashes
Fires
Avg Miles
57,978
Engine & Cooling
3
complaints
Crashes
Fires
Avg Miles
Wipers & Visibility
3
complaints
Crashes
Fires
Avg Miles
Airbags
2
complaints
Crashes
2
Fires
Avg Miles
Visibility
2
complaints
Crashes
Fires
Avg Miles
Other Equipment
1
complaints
Crashes
Fires
Avg Miles
Fuel System, Gasoline:Delivery
1
complaints
Crashes
Fires
Avg Miles
Suspension Failures
1
complaints
Crashes
Fires
Avg Miles
Side/Rear Glass
1
complaints
Crashes
Fires
Avg Miles

Search Owner Complaints

Read what owners actually reported to NHTSA for the 2011 Mercury Mariner. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.

Recalls for 2011 Mercury Mariner

2 NHTSA recall campaigns affecting ~1,070,143 vehicles.

16V777000Fuel Pump
~329,265 affected

Ford Motor Company (Ford) is recalling certain model year 2010-2012 Ford Escape vehicles manufactured February 26, 2009, to April 29, 2012, and 2010-2011 Mercury Mariner vehicles manufactured February 25, 2009, to December 12, 2010. On vehicles with a 3.0L engine, the Fuel Delivery Module (FDM) may crack, causing a fuel leak.

14V284000Steering:electric Power Assist System
~740,878 affected

Ford Motor Company (Ford) is recalling certain model year 2008-2011 Ford Escape and Mercury Mariner vehicles manufactured August 18, 2006, through September 11, 2010. The affected vehicles have a steering torque sensor that may not be able to properly detect driver steering input. As a result, the system could remove the Electric Power Steering (EPS) assist.

Other Mercury Mariner Years

2011 Mercury Mariner — FAQ

Answers based on real NHTSA complaint and recall data for this specific model year.

Is the 2011 Mercury Mariner reliable?
Verdict: Below Average Complaints. The 2011 Mercury Mariner has 120 NHTSA complaints, 3 crash-related, and 2 recall campaigns. The most common issue is Transmission / Drivetrain with 24 complaints. Source: NHTSA via VinItel.
What are common problems with the 2011 Mercury Mariner?
Top reported problems: Transmission / Drivetrain (24 complaints, avg 51,743 mi); Fuel System (22 complaints, avg 52,574 mi); Steering Defects (19 complaints, avg 127,295 mi). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
At what mileage do problems start on the 2011 Mercury Mariner?
The weighted average mileage at time of complaint is about 65,323 miles. Some components fail earlier, some later — check the "All Problems by Category" table above for per-issue averages.
How safe is the 2011 Mercury Mariner?
NHTSA complaints for the 2011 Mercury Mariner include 3 crash-related reports, 0 fire reports, 2 injuries, and 0 fatalities. These are owner-reported incidents, not official crash-test ratings — a complaint being filed doesn't confirm a defect, but clusters around specific components are worth investigating.
Does the 2011 Mercury Mariner have any recalls?
Yes — 2 NHTSA recall campaigns affecting an estimated 1,070,143 vehicles. Recalls are free to fix at the dealer. Always verify by VIN whether the specific car you're looking at has had its recalls addressed.
Should I buy a 2011 Mercury Mariner?
Fewer complaints than typical for this model. That's a good sign, but every individual car is different — the VIN still tells you what happened to this specific one.

Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.

Wider context: See the full Mercury Mariner reliability report with year-by-year comparison and generation analysis.

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