2011 Mazda CX-9 problems and complaints
Owners have filed 171 complaints with NHTSA about the 2011 Mazda CX-9. The most-reported areas: Service Brakes (100), Power Train (25), Air Bags (22).
Key takeaways
- 171 owner complaints on file with NHTSA.
- 7 involve a crash, 3 a fire, 2 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Service Brakes | 100 | 58% |
| Power Train | 25 | 15% |
| Air Bags | 22 | 13% |
| Engine | 15 | 9% |
| Suspension | 8 | 5% |
| Electrical System | 6 | 4% |
| Unknown Or Other | 5 | 3% |
| Vehicle Speed Control | 4 | 2% |
| Steering | 4 | 2% |
| Electronic Stability Control (esc) | 4 | 2% |
| Exterior Lighting | 3 | 2% |
| Wheels | 3 | 2% |
One complaint can name several components, so shares add up to more than 100%.
Parts for the 2011 Mazda CX-9
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- Battery
- Engine oil
- Wiper blades
- Headlight bulb
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| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2011 Mazda CX-9 SUV AWD | Not rated | Not rated | Not rated | 4/5 |
| 2011 Mazda CX-9 SUV FWD | Not rated | Not rated | Not rated | 4/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Electrical System - filed 2026-10-21
Odometer Fraud. The contact purchased a 2011 Mazda CX-9. The vehicle was a private sale. At the time of purchase, the mileage was 109,000. A mileage discrepancy was discovered when a Been Verified report indicated that the mileage was 294,000 in 2024. The contact stated that the seller informed him that she and her fia...
Suspension,power Train - filed 2026-06-30
The front driver-side lower ball joint suffered a catastrophic structural failure and sheared completely apart while moving. This vehicle was previously serviced under Safety Recall Campaign 15V451000 / Mazda Recall 8515G for this exact defect. The recall remedy part failed a second time, collapsing the front wheel ass...
Air Bags,vehicle Speed Control - filed 2025-08-01
The contact owns a 2011 Mazda CX-9. The contact stated that while attempting to park the vehicle at a slow speed in the driveway, the vehicle suddenly experienced unintended acceleration, lurched forward, and crashed into a tree before coming to a stop. The contact was unable to stop the vehicle during the sudden unint...
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More for the 2011 Mazda CX-9
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.