2011 Mercury Mariner Report
Known issues, recalls, running costs, and what to check before you buy.
Overall Score
Key Takeaways
- Critical recalls for the Electric Power Steering (EPS) system and fuel delivery module require verification of completion.
- The 3.0L V6 engine provides adequate power, but fuel economy is average for the segment.
- NHTSA ratings show a consistent 3-star score across frontal, side, and rollover crash tests.
- Despite no reported complaints, the high TSB count suggests potential for common, albeit non-recallable, issues.
2011 Mercury Mariner
Critical Failure Risk
A faulty torque sensor or module in the electric power steering system can lead to a loss of steering assist. This issue was addressed by NHTSA recall 14V284000, but residual risk remains if repairs were incomplete or components fail prematurely.
Early detection can help you avoid a $800-$1,500 repair.
Safety & Bulletins
Owner Complaints
No primary complaint themes found.
Performance & Efficiency
Reliability
Practicality
The score is mainly limited by high fuel consumption.
Who This Car Is For
Best for
Buyers seeking an affordable all-wheel-drive SUV for general use.
+2 more buyer-fit notes in the full report
Avoid if
Drivers who demand top-tier reliability and minimal risk of unexpected mechanical failures.
+2 more buyer-fit warnings in the full report
2011 Mercury Mariner Reliability Analysis
Explore comprehensive reliability data including official safety recalls, consumer complaints, and common mechanical failures for the 2011 Mercury Mariner.
Vehicle Specs
- Fuel Type
- Gasoline or E85
- Transmission
- Automatic 6-spd
- Drivetrain
- All-Wheel Drive
- Body Style
- Suv
- EPA Combined MPG
- 20
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Most Common Issues
1. Electric Power Steering (EPS) Failure
Most reportedUsage data observed
2. Fuel Leak from Fuel Delivery Module (FDM)
Usage data observed
First Service Interval
- Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation - Inspect Brakes
Est. shop cost: $80 - $150
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FAQ
Is the 2011 Mercury Mariner reliable?
The CarFocal Reliability Score for the 2011 Mercury Mariner is 8.4/10. Reliability score is 8.4/10. NHTSA recalls: 3. Owner complaints: 0.
How practical is the 2011 Mercury Mariner for daily use?
Practicality score is 5.0/10. The score is mainly limited by high fuel consumption. EPA combined economy is 20 MPG.
What is the overall score for the 2011 Mercury Mariner?
The CarFocal Overall Score for the 2011 Mercury Mariner is 6.1/10. Overall score is 6.1/10 (Mixed). Confidence 85%. Maintenance 8.0/10. Practicality 5.0/10.
What does it cost to own and maintain a 2011 Mercury Mariner?
Based on Carfocal's data, First listed service: - Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation - Inspect Brakes at 5,000 miles. Estimated first-year maintenance: $400 - $700. Repair prediction highlight: Electric Power Steering System (typical at 75,000 miles, estimated cost Min: $800 • Max: $1,500).
What engine is in the 2011 Mercury Mariner?
Engine specs list 6 • 3.0.
What transmission does the 2011 Mercury Mariner use?
According to CarFocal's specs for the 2011 Mercury Mariner, transmission is Automatic 6-spd. The paired drivetrain is All-Wheel Drive.
Does the 2011 Mariner require Gasoline or E85 gas?
Manufacturer fuel recommendation: Gasoline or E85.
What is the combined EPA MPG for the 2011 Mercury Mariner?
EPA combined estimate is 20 MPG.
What driver assistance and safety features are available on the 2011 Mercury Mariner?
1 standard driver assistance features. Key features include Tire Pressure Monitoring System.
What body style is the 2011 Mercury Mariner?
According to CarFocal's specs for the 2011 Mercury Mariner, body style is suv.
What drivetrain does the 2011 Mercury Mariner use?
According to CarFocal's specs for the 2011 Mercury Mariner, drivetrain is All-Wheel Drive. Transmission is Automatic 6-spd.
What are the NHTSA safety ratings for the 2011 Mercury Mariner?
NHTSA ratings: Overall 3/5 • Frontal 3/5 • Side 3/5 • Rollover 3/5.
Are there open safety recalls on the 2011 Mercury Mariner?
This model year has 3 official safety campaigns listed.