VehicleVerdict

2010 Mercury Mariner fuel system problems

The 2010 Mercury Mariner has 64 fuel system complaints filed with NHTSA — 16% of the year's total, and up sharply from the prior model year.

64

Fuel System complaints

16%

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

WHEN ACCELERATING THROUGH AN INTERSECTION, MY VEHICLE LOST ACCELERATION POWER AND THE POWER BRAKES FAILED. AFTER RESTARTING THE VEHICLE, THE VEHICLE WAS SLOWLY MOVED TO A SIDE STREET, BACKING-UP TRAFFIC ON THE BUSY STREET. THE VEHICLE WAS TOWED TO A FORD DEALERSHIP AND THE DIAGNOSIS WAS THAT…

Complaint filed with NHTSA · Fuel System · December 31, 2013

Common questions

How many fuel system complaints does the 2010 Mercury Mariner have?

NHTSA has 64 complaints about the 2010 Mercury Mariner fuel system — 16% of all complaints filed for that model year.

Are there recalls for the 2010 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.