YearToAvoid

2009 Mercury Mariner Brakes Problems

NHTSA has 18 owner complaints about brake problems in the 2009 Mercury Mariner, 6% of all 315 complaints for this model year. That is #2 highest brake complaint count among 7 Mariner model years. These complaints report 2 crashes and 1 injury. Median mileage at failure: 106,500 miles.

Brakes complaints
18
6% of 315
Crashes reported
2
Fires reported
0
Injuries reported
1
Median mileage
106,500 mi
Related recalls
0

When 2009 Mercury Mariner brake complaints were filed

First complaint May 14, 2011, latest Dec 4, 2022.

2009 Mercury Mariner brakes complaints: complaints filed per month2May 2011Oct 2016Nov 2017Sep 2020Jan 2021Jun 2022
18 complaints filed with NHTSA from May 2011 to Dec 2022; peak Oct 2020 (2).

Brakes recalls for the 2009 Mercury Mariner

No safety recalls on record for this model year.

Brakes complaints by Mariner model year

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

  1. 20054 (6%)
  2. 20068 (13%)
  3. 20071 (3%)
  4. 200840 (9%)
  5. 200918 (6%)
  6. 201011 (4%)
  7. 20110 (0%)

Frequently asked questions

Does the 2009 Mercury Mariner have brake problems?
NHTSA has 18 owner complaints about the brake in the 2009 Mercury Mariner, 6% of all complaints for this model year, including 2 that report a crash. Median mileage at failure is 106,500 miles.
Which Mercury Mariner year has the most brake complaints?
The 2008 Mercury Mariner has the most brake complaints (40), compared with 18 for the 2009.
Is there a brake recall for the 2009 Mercury Mariner?
No NHTSA recall campaign for the 2009 Mercury Mariner is classified under brakes. 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.