YearToAvoid

2008 Mercury Mariner Hybrid Fuel System Problems

NHTSA has 20 owner complaints about fuel system problems in the 2008 Mercury Mariner Hybrid, 17% of all 116 complaints for this model year. That is the highest fuel system complaint count among 6 Mariner Hybrid model years. Median mileage at failure: 66,700 miles.

Fuel System complaints
20
17% of 116
Crashes reported
0
Fires reported
0
Injuries reported
0
Median mileage
66,700 mi
Related recalls
0

When 2008 Mercury Mariner Hybrid fuel system complaints were filed

First complaint Jun 5, 2011, latest Jan 15, 2019.

2008 Mercury Mariner Hybrid fuel system complaints: complaints filed per month4Jun 2011Jul 2012Jul 2013Aug 2014Feb 2015Aug 2015Oct 2018Jan 2019
20 complaints filed with NHTSA from Jun 2011 to Jan 2019; peak Sep 2012 (4).

Fuel System recalls for the 2008 Mercury Mariner Hybrid

No safety recalls on record for this model year.

Fuel System complaints by Mariner Hybrid model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 20065 (15%)
  2. 20075 (16%)
  3. 200820 (17%)
  4. 20093 (14%)
  5. 20101 (11%)
  6. 20120 (0%)

Frequently asked questions

Does the 2008 Mercury Mariner Hybrid have fuel system problems?
NHTSA has 20 owner complaints about the fuel system in the 2008 Mercury Mariner Hybrid, 17% of all complaints for this model year. Median mileage at failure is 66,700 miles.
Which Mercury Mariner Hybrid year has the most fuel system complaints?
The 2008 Mercury Mariner Hybrid has the most fuel system complaints (20), compared with 20 for the 2008.
Is there a fuel system recall for the 2008 Mercury Mariner Hybrid?
No NHTSA recall campaign for the 2008 Mercury Mariner Hybrid is classified under fuel system. Complaints alone do not trigger a recall; check the full recall list and your VIN.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.