2008 Mercury Grand Marquis problems and complaints
Owners have filed 79 complaints with NHTSA about the 2008 Mercury Grand Marquis. The most-reported areas: Steering (22), Vehicle Speed Control (15), Service Brakes (10).
Key takeaways
- 79 owner complaints on file with NHTSA.
- 11 involve a crash, 1 a fire, 8 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Steering | 22 | 28% |
| Vehicle Speed Control | 15 | 19% |
| Service Brakes | 10 | 13% |
| Electrical System | 9 | 11% |
| Structure | 9 | 11% |
| Exterior Lighting | 5 | 6% |
| Hydraulic | 5 | 6% |
| Engine And Engine Cooling | 5 | 6% |
| Engine | 4 | 5% |
| Seat Belts | 3 | 4% |
| Power Train | 3 | 4% |
| Air Bags | 3 | 4% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2008 Mercury Grand Marquis 4-DR. | Not rated | Not rated | Not rated | Not rated |
| 2008 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 - filed 2026-09-21
My vehicle is from a northern state and came down to [XXX] and my intermediate shaft collapsed after looking up through ford if my recall had ever been done it shows that it had been done but the part that says it was replaced looked like it was never replaced and I had to fix that problem myself and then noticed that ...
Steering - filed 2025-11-13
The contact owns a 2008 Mercury Grand Marquis. The contact stated that the vehicle was included in NHTSA Campaign Number: 13V385000 (Steering). The vehicle was taken to the dealer and the lower intermediate shaft was replaced. The contact stated that it was determined that the upper intermediate shaft and steering colu...
Steering - filed 2023-10-11
See attached document from complainant
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More for the 2008 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.