THE WEEKLY DRIVER

AUTOMOTIVE NEWS, CAR REVIEWS, AND PODCAST

Reliability Database

Mercury

Engine Reliability & Known Problems

Based on 12,102 NHTSA complaints. Updated April 2026.

15 Models
12 Engines Rated
23 Generations
12,102 NHTSA Complaints
Engine Ratings Overview
3 recommended 3 caution 6 avoid

Compact Sedan

9 models
Cougar
1 generation · 0 engines
2000-2002
Grand Marquis
1 generation · 1 engine
2000-2011
1 avoid
Marauder
2 generations · 0 engines
20032004
Milan
1 generation · 1 engine
2006-2011
1 avoid
Milan Hev
1 generation · 1 engine
2011
1 avoid
Milan Hybrid
1 generation · 1 engine
2010
1 avoid
Montego
3 generations · 0 engines
200520062007
Mystique
1 generation · 0 engines
2000
Sable
2 generations · 0 engines
2000-20052008-2009

Compact SUV

3 models
Mariner
1 generation · 1 engine
2005-2011
1 avoid
Mariner Hev
1 generation · 1 engine
2011
1 caution
Mariner Hybrid
5 generations · 1 engine
20062007200820092010
1 avoid

Minivan

2 models
Monterey
1 generation · 2 engines
2004-2007
1 recommended 1 caution
Villager
1 generation · 0 engines
2000-2002

Midsize SUV

1 model
Mountaineer
1 generation · 3 engines
2002-2010
2 recommended 1 caution
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