VehicleVerdict

2011 Mercury Mariner fuel system problems

The 2011 Mercury Mariner has 29 fuel system complaints filed with NHTSA — 24% of the year's total, and down from the prior model year.

29

Fuel System complaints

24%

Share of year

0

Crash-involved

1

Related recalls

Fuel System complaints by year

Mariner fuel system complaints by model year64 complaints2005: 7 complaints2006: 6 complaints2008: 11 complaints2009: 30 complaints2010: 64 complaints2011: 29 complaints
Mariner fuel system complaints by model year. Red bars are years to avoid.

Related recalls

16V777000Fuel SystemOctober 26, 2016 · 329,265 units

Defect

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.

Consequence

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

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.

What owners report

DRIVING AT HIGHWAY SPEEDS (60PMH) IT WOULD LOSS POWER AND KINDA LIMP ALONG. I CAN PULL OFF TO THE SIDE OF THE ROAD AND TURN THE CAR OFF AND START IT BAKE ON AGAIN AN RUN JUST FIND AFTER THAT. THIS HAS HAPPEN THREE TIME SINCE. IT IS BECOME REALLY DANGEROUS. *TR

Complaint filed with NHTSA · Fuel System · July 2, 2014

Common questions

How many fuel system complaints does the 2011 Mercury Mariner have?

NHTSA has 29 complaints about the 2011 Mercury Mariner fuel system — 24% of all complaints filed for that model year.

Are there recalls for the 2011 Mercury Mariner fuel system?

Yes — 1 NHTSA recall campaign for this model year is tied to the fuel system: 16V777000.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.