2010 Mercury Grand Marquis problems and complaints
Owners have filed 24 complaints with NHTSA about the 2010 Mercury Grand Marquis. The most-reported areas: Steering (5), Structure (5), Electrical System (3).
Key takeaways
- 24 owner complaints on file with NHTSA.
- 6 involve a crash, 0 a fire, 4 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Steering | 5 | 21% |
| Structure | 5 | 21% |
| Electrical System | 3 | 13% |
| Vehicle Speed Control | 3 | 13% |
| Service Brakes | 2 | 8% |
| Exterior Lighting | 2 | 8% |
| Power Train | 2 | 8% |
| Air Bags | 2 | 8% |
| Equipment | 2 | 8% |
| Wheels | 1 | 4% |
| Unknown Or Other | 1 | 4% |
| Fuel/Propulsion System | 1 | 4% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2010 Mercury Grand Marquis 4-DR. w/SAB | Not rated | Not rated | Not rated | Not rated |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Steering,wheels,unknown Or Other - filed 2025-10-22
the lower bearing separates, the vehicle may experience a loss of steering, increasing the risk of a crash. Improper servicing of the upper intermediate shaft could cause the shaft to separate, which can then result in a loss of steering control, and increasing the risk of a crash
Service Brakes - filed 2024-07-26
The contact owns a 2010 Mercury Grand Marquis. The contact stated that while driving at an undisclosed speed, the brake pedal was depressed, however, the vehicle failed to stop as intended. The contact stated that he had both feet on the brake pedal, however the vehicle did not stop. The vehicle independently acceler...
Service Brakes - filed 2023-07-11
BRAKES: The Dashboard Brake Warning Lights are Illuminated most of the time. 1. The ABS warning Light is illuminated. 2. The Brake Warning Light is illuminated also. The Ford Dealership Service Dept cannot Fix it saying this is intermittent and attributed it to a loose wire connection located beh...
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More for the 2010 Mercury Grand Marquis
Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.