2003 Mercury Grand Marquis problems by component
362 owner complaints filed with NHTSA for the 2003 Mercury Grand Marquis, grouped by the component owners reported. Each component links to a detailed breakdown with mileage, severity and owner reports.
| Component | Complaints | Share | Median mileage |
|---|---|---|---|
| Exterior Lighting → | 207 | 57% | 95,550 mi |
| Electrical System → | 51 | 14% | 95,550 mi |
| Steering → | 28 | 8% | 97,462 mi |
| Suspension → | 28 | 8% | 64,713 mi |
| Vehicle Speed Control → | 27 | 7% | 25,000 mi |
| Engine and Engine Cooling → | 13 | 4% | — |
| Power Train → | 12 | 3% | 44,763 mi |
| Air Bags → | 11 | 3% | — |
| Wheels → | 10 | 3% | — |
| Structure | 9 | 2% | — |
| Visibility | 6 | 2% | — |
| Engine | 5 | 1% | — |
| Fuel System, Gasoline | 5 | 1% | — |
| Seat Belts | 5 | 1% | — |
| Fuel/propulsion System | 4 | 1% | — |
| Service Brakes, Hydraulic | 4 | 1% | — |
| Visibility/wiper | 4 | 1% | — |
| Service Brakes | 3 | 1% | — |
| Seats | 2 | 1% | — |
| Fuel System, Other | 1 | 0% | — |
| Interior Lighting | 1 | 0% | — |
| Latches/locks/linkages | 1 | 0% | — |
| Tires | 1 | 0% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.