Skip to content
BrakesPart report

2002 Mercury Grand Marquis Brakes Problems

Complaints
6about this part
Share
8%of 78 total for the year
Median mileage
6,046miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 6 complaints about the brakes of the 2002 Mercury Grand Marquis, 8% of the 78 complaints for this model year. Where a mileage was given, the median is 6,046 miles. 1 of these say a crash was involved, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“When the consumer applied the brake his foot also hit the accelerator pedal which caused the vehicle to accelerate suddenly. The vehicle turn signal were inoperative and the ignition key was hard to turn at times.”

NHTSA complaint #10020198, filed 2003-07, 4,093 miles

“Dt: the contact owns a 2002 Mercury Grand Marquis. The contact stated there was pulsation in the brakes. The contact stated three times had the front rotors turned, and the front pads replaced. After about 1,500 miles the problem recurred. The dealer replaced the front rotors, but after 2,000 miles, the vehicle experienced the same problems as before. The repairs were made at the contact's expense. The dealership could not find what was causing the brake problem. The manufacturer did not provide the contact with any satisfaction, and to contact the dealership to see what they would do.”

NHTSA complaint #10137839, filed 2005-09, 1,500 miles

“The consumer stated the front end of the vehicle was lower than normal which caused damage to the front end when parking. The dealership provided a temporary fix by putting shims under the front end. While driving at 15 MPH in the rain, the vehicle suddenly lost power steering. The consumer had to use excessive force to steer. This resulted in injuries to the consumers arm. This failure was due to the tensioner pulley falling off. The parts were replaced. The driver side seat belt plate failed to lock in the buckle. The dealership replaced the entire seat belt assembly. …”

NHTSA complaint #10055734, filed 2004-03, 8,000 miles

“The contact owns a 2002 Mercury Grand Marquis. The contact stated while driving 50 MPH at night, the cruise control mode malfunctioned, and the speed of the vehicle increased independently. The contact stated that the brake pedal was depressed several times to the floor, but the vehicle failed to stop. The contact turned off the vehicle, and the vehicle came to a stop. The vehicle was towed to the contact's residence. The contact stated that he was afraid of driving the vehicle again. …”

NHTSA complaint #11674238, filed 2025-07, 58,000 miles

“Vehicle acellerated without prior warning. He applied brakes to gain control of vehicle, but brakes failed to stop vehicle. Dealership was aware of problem.”

NHTSA complaint #8004666, filed 2002-02

Related service bulletins

Brakes: other model years

YearComplaintsShare of year
2011111%
201028%
2009623%
20081013%
200766%
2006128%
2005184%
200472%
200372%
200268%
20011610%
20001811%
199995%
199875%
19973511%
19962310%
19953017%
19941912%
19932215%
19924819%
19911316%
1990814%
1989610%
198823%
1986210%
1983114%

Other parts of the 2002 Mercury Grand Marquis

Vehicle speed control
17 complaints
Suspension
11 complaints
Electrical system
10 complaints
Engine cooling
10 complaints
Steering
9 complaints
Seat belts
7 complaints
Tires
7 complaints
Exterior lighting
6 complaints
Fuel system
4 complaints
Air bags
3 complaints
Visibility (wipers, defrost, mirrors)
3 complaints
Engine
2 complaints

← All problems reported for the 2002 Mercury Grand Marquis

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology