NHTSA vehicle safety data

2011 Mercury Mariner Recalls, Ratings & Complaints

The 2011 Mercury Mariner has 3 NHTSA recall campaigns and 87 owner complaints on file as of November 3, 2026. Recall repairs are usually free at an authorized Mercury dealer.

NHTSA recall and complaint data for the 2011 Mercury Mariner, plus NCAP crash-test ratings. Recall data is refreshed daily from NHTSA.

2011 Mercury Mariner owner complaints

Owners have filed 87 complaints with NHTSA about the 2011 Mercury Mariner, describing incidents dated December 10, 2010 to May 19, 2026.

Most-cited components

  • Fuel/Propulsion System 28 complaints
  • Power Train 24 complaints
  • Steering 20 complaints
  • Vehicle Speed Control 15 complaints
  • Engine 14 complaints
  • Electrical System 6 complaints

Of the 87 complaints on file, 2 report a crash; across all 87 complaints, owners report 1 injury (owner-reported, not verified by NHTSA).

Newest complaints

  • ODI #11738857 · Filed

    The contact owns a 2011 Mercury Mariner. The contact stated that while driving at an undisclosed speed, the power steering became inoperable with no warning light illuminated. The vehicle was taken to the dealer, where it was diagnosed that the steering shaft port sensor had failed and needed to be…

  • ODI #11727405 · Filed

    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.

  • ODI #11717360 · Filed

    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 dealer; however, the…

Read all 87 complaints

NHTSA defect investigations

NHTSA's investigations file lists the 2011 Mercury Mariner in 3 investigations. A listed model year means only that an investigation names it; it says nothing about any particular vehicle. An open investigation is not a finding that a safety defect exists, and NHTSA can close one without a recall.

Open and recently closed NHTSA defect investigations

Fuel Delivery Module may Crack and cause Fuel Leak

NHTSA #16V777000 · Fuel System, Gasoline — Delivery — Fuel Pump · NHTSA notice

Reported October 26, 2016 · Ford Motor Company

Potentially affected: 329,265 vehicles

Repair completion: 51.7% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)

Manufacturer campaign 16S41 · Owners notified November 6, 2017 · Vehicles built February 25, 2009 – December 12, 2010 (per NHTSA)

Defect description

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.

Safety consequence

A fuel leak in the presence of an ignition source increases the risk of a fire.

Manufacturer remedy

Ford will notify owners, and dealers will replace the FDM flange with one that has a redesigned fuel supply port, free of charge. Remedy parts are currently unavailable. Interim notices were mailed to owners on December 13, 2016. Owners will receive a second notice when remedy parts become available. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 16S41.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Front Wheel Bearing has Wrong Dimensions

NHTSA #15E045000 · Suspension — Front — Wheel Bearing · NHTSA notice

Reported June 3, 2015 · Timken Company

Potentially affected: 576 vehicles

Repair completion: 58.24% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)

Owners notified May 20, 2015

Defect description

The Timken Company (Timken) is recalling certain aftermarket front wheel bearings, part number 510072, sold from January 22, 2015, to May 21, 2015, to be used as service parts on 2001-2012 Ford Escape, 2001-2011 Mazda Tribute, and 2005-2011 Mercury Mariner vehicles. The affected wheel bearings have incorrect dimensions of a 42mm bore, 76mm outer dimension, and 39mm width, instead of a 42mm bore, 78mm outer dimension and a 45mm width.

Safety consequence

Use of an incorrectly sized wheel bearing can adversely affect the braking and steering of the vehicle, increasing the risk of a crash.

Manufacturer remedy

Timken has begun notifying distributors who will offer purchasers replacement wheel bearings, free of charge. The recall began on May 21, 2015. Owners may contact Timken customer service at 1-866-984-6536.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Loss of Electric Power Steering Assist

NHTSA #14V284000 · Steering — Electric Power Assist System · NHTSA notice

Reported May 29, 2014 · Ford Motor Company

Potentially affected: 740,878 vehicles

Repair completion: 72.29% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)

Manufacturer campaign 14S05 · Owners notified July 18, 2014 · Vehicles built August 18, 2006 – September 11, 2010 (per NHTSA)

Defect description

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.

Safety consequence

If power steering assist is lost, greater driver effort would be required to steer the vehicle at low speeds, increasing the risk of a crash.

Manufacturer remedy

Ford will notify owners, and dealers will update the software for the power steering control module (PSCM) and the instrument cluster module, free of charge. If a vehicle shows a history of a loss of the torque sensor signal or fault codes relating to the PSCM when the vehicle is brought in for the recall remedy, the affected components will be replaced, free of charge. The recall began on July 18, 2014. Owners may contact Ford customer service at 1-800-392-3673. Ford's number for this recall is 14S05.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Other Mercury Mariner model years

Check your 2011 Mercury Mariner VIN

Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your Mercury Mariner at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.

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