YearToAvoid

2006 Mercury Grand Marquis Engine Problems

NHTSA has 45 owner complaints about engine problems in the 2006 Mercury Grand Marquis, 31% of all 143 complaints for this model year. That is #2 highest engine complaint count among 7 Grand Marquis model years. These complaints report 8 crashes, 2 fires, and 5 injuries. Median mileage at failure: 46,597 miles.

Engine complaints
45
31% of 143
Crashes reported
8
Fires reported
2
Injuries reported
5
Median mileage
46,597 mi
Related recalls
0

When 2006 Mercury Grand Marquis engine complaints were filed

First complaint May 3, 2006, latest Jun 15, 2020.

2006 Mercury Grand Marquis engine complaints: complaints filed per month3May 2006Nov 2007Apr 2010Mar 2012Nov 2013Oct 2014Nov 2015Nov 2017
45 complaints filed with NHTSA from May 2006 to Jun 2020; peak May 2006 (3).

Engine recalls for the 2006 Mercury Grand Marquis

No safety recalls on record for this model year.

Engine complaints by Grand Marquis model year

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

  1. 200547 (10%)
  2. 200645 (31%)
  3. 200720 (21%)
  4. 200822 (28%)
  5. 20096 (23%)
  6. 20105 (21%)
  7. 20110 (0%)

Frequently asked questions

Does the 2006 Mercury Grand Marquis have engine problems?
NHTSA has 45 owner complaints about the engine in the 2006 Mercury Grand Marquis, 31% of all complaints for this model year, including 8 that report a crash. Median mileage at failure is 46,597 miles.
Which Mercury Grand Marquis year has the most engine complaints?
The 2005 Mercury Grand Marquis has the most engine complaints (47), compared with 45 for the 2006.
Is there a engine recall for the 2006 Mercury Grand Marquis?
No NHTSA recall campaign for the 2006 Mercury Grand Marquis 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.