1997 Mercury Grand Marquis: Reliability Data

Source: NHTSA — 370 complaints
370
Total Complaints
80,800mi
Median Mileage
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
Top Issue
12
Crash Reports

When Do Complaints Happen?

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

65,000 25th Percentile
80,800 Median Mileage
101,500 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
55
FUEL SYSTEM, GASOLINE:CARBURETOR SYSTEM
28
ENGINE AND ENGINE COOLING:COOLING SYSTEM
21
ENGINE AND ENGINE COOLING:ENGINE
21
ENGINE AND ENGINE COOLING
21
VEHICLE SPEED CONTROL
19
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
19
SUSPENSION:FRONT
10
STEERING
9
SUSPENSION:FRONT:CONTROL ARM:LOWER BALL JOINT
8

Severity Assessment

12
Crashes
7
Fires
13
Injuries
0
Deaths

Sample Complaint Reports

"WHEN DRIVING AND TURNING TO THE RIGHT THERE IS A NOISE (LIKE RUBBING AGAINST SOMETHING ) AND VIBRATION IN THE CAR , TOOK TO DEALER ON TWO OCCASIONS. *AK"
"STEERING DURING CROSS WINDS CAUSES VEHICLE TO WANDER, DOES NOT STAY IN LANE. PLEASE DESCRIBE. *AK"
"INSTRUMENT TRIM PANEL WAS KNOCKED LOOSE BY AIRBAG, CAUSING INJURY."

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