2003 Mercury Grand Marquis Mercury Grand Marquis 2003
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2003 Mercury Grand Marquis repairs by problem area

Engine (37%)

Transmission and Drivetrain (10%)

Brakes and Traction Control (4%)

Suspension and Steering (18%)

Electrical and Air Conditioning (27%)

Paint, Rust, Leaks, Rattles, and Trim (0%)

Other (4%)

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Chart based on 49 repairs.
See TSBs and recalls for the 2003 Mercury Grand Marquis.

2003 Mercury Grand Marquis 4dr Sedan

224-horsepower 4.6L V8 4-speed automatic RWD

31000 mi Regulator cable snapped in rear driver side window. This is the 2nd time this issue has been fixed. Also front passenger window won't roll down. 
70000 mi

US $322		 After tire rotation during service car swerved badly at expressway speed. Goodyear tires were found to be different sizes and put back as originally placed. 

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2003 Mercury Grand Marquis Other Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2003 Mercury Grand Marquis problems occur, check out our car reliability stats.