2009 Mercury Mariner fuel system problems
The 2009 Mercury Mariner has 30 fuel system complaints filed with NHTSA — 7% of the year's total, and up sharply from the prior model year.
30
Fuel System complaints
7%
Share of year
0
Crash-involved
0
Related recalls
Fuel System complaints by year
What owners report
“DRIVING 30MPH CAR BEGINS TO SURGE AND SLOW DOWN HAD TO PULL OVER TO ROAD SHOULDER. FUEL GAUGE SHOWS EMPTY WHEN THERE IS A FULL TANK. CUT THE ENGINE OFF FOR FIVE MINUTES, START ENGINE TRIED TO DRIVE THE CAR IS STILL SURGING AND SLOWING DOWN, THEN STARTS TO RUN NORMALLY. THIS IS THE SECOND OCCURRENCE…”
Common questions
How many fuel system complaints does the 2009 Mercury Mariner have?
NHTSA has 30 complaints about the 2009 Mercury Mariner fuel system — 7% of all complaints filed for that model year.
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.