YearToAvoid

2009 Mercury Mariner Electrical System Problems

NHTSA has 23 owner complaints about electrical problems in the 2009 Mercury Mariner, 7% of all 315 complaints for this model year. That is #3 highest electrical complaint count among 7 Mariner model years. These complaints report 1 injury. Median mileage at failure: 98,291 miles.

Electrical System complaints
23
7% of 315
Crashes reported
0
Fires reported
0
Injuries reported
1
Median mileage
98,291 mi
Related recalls
0

When 2009 Mercury Mariner electrical complaints were filed

First complaint May 2, 2011, latest Nov 19, 2024.

2009 Mercury Mariner electrical system complaints: complaints filed per month2May 2011May 2013Aug 2014Jun 2015Nov 2018Aug 2021Feb 2023Nov 2024
23 complaints filed with NHTSA from May 2011 to Nov 2024; peak Nov 2018 (2).

Electrical System recalls for the 2009 Mercury Mariner

No safety recalls on record for this model year.

Electrical System complaints by Mariner model year

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

  1. 200511 (16%)
  2. 20065 (8%)
  3. 20077 (21%)
  4. 200828 (6%)
  5. 200923 (7%)
  6. 201030 (11%)
  7. 20116 (7%)

Frequently asked questions

Does the 2009 Mercury Mariner have electrical problems?
NHTSA has 23 owner complaints about the electrical in the 2009 Mercury Mariner, 7% of all complaints for this model year. Median mileage at failure is 98,291 miles.
Which Mercury Mariner year has the most electrical complaints?
The 2010 Mercury Mariner has the most electrical complaints (30), compared with 23 for the 2009.
Is there a electrical recall for the 2009 Mercury Mariner?
No NHTSA recall campaign for the 2009 Mercury Mariner is classified under electrical 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.