2002 Mercury Grand Marquis: Reliability Data

Source: NHTSA — 101 complaints
101
Total Complaints
50,000mi
Median Mileage
VEHICLE SPEED CONTROL
Top Issue
11
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

15,046 25th Percentile
50,000 Median Mileage
87,934 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

VEHICLE SPEED CONTROL
16
STEERING
9
ELECTRICAL SYSTEM
8
SEAT BELTS
6
SUSPENSION
5
TIRES
3
EXTERIOR LIGHTING
3
TIRES:TREAD/BELT
3
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
2
UNKNOWN OR OTHER
2

Severity Assessment

11
Crashes
2
Fires
8
Injuries
0
Deaths

Sample Complaint Reports

"VEHICLE DIDN'T HAVE SWAY BAR. WHEN CONSUMER CALLED FORD THEY STATED ALL 2002 MODEL VEHICLES SHOULD HAVE SWAY BARS. CONSUMER WAS IN ACCIDENT. CONTACTED DEALER, AND DEALER STATED SOME VEHICLES DO, AND SOME VEHICLES DON'T HAVE SWAY BARS. PLEASE ADD VIN#. *AK"
"VEHICLE ACELLERATED WITHOUT PRIOR WARNING. HE APPLIED BRAKES TO GAIN CONTROL OF VEHICLE, BUT BRAKES FAILED TO STOP VEHICLE. DEALERSHIP WAS AWARE OF PROBLEM.*AK"
"VEHICLE ACELLERATED WITHOUT PRIOR WARNING. HE APPLIED BRAKES TO GAIN CONTROL OF VEHICLE, BUT BRAKES FAILED TO STOP VEHICLE. DEALERSHIP WAS AWARE OF PROBLEM.*AK"

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28