YearToAvoid

2006 Mercury Mariner Engine Problems

NHTSA has 21 owner complaints about engine problems in the 2006 Mercury Mariner, 33% of all 63 complaints for this model year. That is #6 highest engine complaint count among 7 Mariner model years. These complaints report 1 crash. Median mileage at failure: 82,271 miles.

Engine complaints
21
33% of 63
Crashes reported
1
Fires reported
0
Injuries reported
0
Median mileage
82,271 mi
Related recalls
0

When 2006 Mercury Mariner engine complaints were filed

First complaint Jun 6, 2006, latest Mar 23, 2021.

2006 Mercury Mariner engine complaints: complaints filed per month2Jun 2006Apr 2011Dec 2012Nov 2013May 2014Sep 2017Mar 2021
21 complaints filed with NHTSA from Jun 2006 to Mar 2021; peak Jul 2012 (2).

Engine recalls for the 2006 Mercury Mariner

No safety recalls on record for this model year.

Engine complaints by Mariner model year

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

  1. 200524 (36%)
  2. 200621 (33%)
  3. 200712 (36%)
  4. 200846 (10%)
  5. 200984 (27%)
  6. 2010104 (39%)
  7. 201128 (32%)

Frequently asked questions

Does the 2006 Mercury Mariner have engine problems?
NHTSA has 21 owner complaints about the engine in the 2006 Mercury Mariner, 33% of all complaints for this model year, including 1 that report a crash. Median mileage at failure is 82,271 miles.
Which Mercury Mariner year has the most engine complaints?
The 2010 Mercury Mariner has the most engine complaints (104), compared with 21 for the 2006.
Is there a engine recall for the 2006 Mercury Mariner?
No NHTSA recall campaign for the 2006 Mercury Mariner is classified under engine. 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.