2016 Mazda CX-9 problems and complaints
Owners have filed 99 complaints with NHTSA about the 2016 Mazda CX-9. The most-reported areas: Engine (61), Electrical System (14), Service Brakes (11).
Key takeaways
- 99 owner complaints on file with NHTSA.
- 3 involve a crash, 1 a fire, 3 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Engine | 61 | 62% |
| Electrical System | 14 | 14% |
| Service Brakes | 11 | 11% |
| Power Train | 9 | 9% |
| Fuel/Propulsion System | 7 | 7% |
| Unknown Or Other | 6 | 6% |
| Structure | 4 | 4% |
| Seats | 3 | 3% |
| Vehicle Speed Control | 3 | 3% |
| Wheels | 3 | 3% |
| Forward Collision Avoidance | 2 | 2% |
| Steering | 2 | 2% |
One complaint can name several components, so shares add up to more than 100%.
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Engine - filed 2025-11-03
In June of 2022 I started having a strong antifreeze/engine coolant smell inside the cab of my vehicle and also outside the vehicle. I had the car checked for a radiator leak, but there wasn’t one. I took my car into my local Mazda where they found that the engine coolant was leaking into the heads of the engine. Mazda...
Electrical System,forward Collision Avoidance - filed 2025-04-23
Smart City Break Malfunction warning light appears while driving. Simultaneously the tire pressure warning appears. Also, at the same time, the temperature reads -20 to -40 degrees. Yes, vehicle is available for inspection. Fearful that car could randomly break while driving putting myself and family in danger since t...
Engine - filed 2024-12-27
Engine failure with crack in the engine after a loss of coolant fluid.
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More for the 2016 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.