2018 Mazda CX-3 problems and complaints
Owners have filed 10 complaints with NHTSA about the 2018 Mazda CX-3. The most-reported areas: Engine (2), Back Over Prevention (2), Electrical System (2).
Key takeaways
- 10 owner complaints on file with NHTSA.
- 1 involve a crash, 0 a fire, 0 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Engine | 2 | 20% |
| Back Over Prevention | 2 | 20% |
| Electrical System | 2 | 20% |
| Fuel/Propulsion System | 1 | 10% |
| Exterior Lighting | 1 | 10% |
| Suspension | 1 | 10% |
| Service Brakes | 1 | 10% |
| Forward Collision Avoidance | 1 | 10% |
| Lane Departure | 1 | 10% |
| Wheels | 1 | 10% |
| Unknown Or Other | 1 | 10% |
| Vehicle Speed Control | 1 | 10% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2018 Mazda CX-3 SUV AWD | 5/5 | 5/5 | 5/5 | 4/5 |
| 2018 Mazda CX-3 SUV FWD | 5/5 | 5/5 | 5/5 | 4/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Engine,fuel/Propulsion System - filed 2026-05-08
Fuel injector failed without warning. A lot of fuel leaked into the engine destroying a spark plug in one cylinder and ultimately ruining the catalytic converter when fuel got into it. Independent mechanic and Mazda dealership diagnosed. Car cannot be driven.
Back Over Prevention - filed 2024-12-10
The contact owns a 2018 Mazda CX-3. The contact received notification of NHTSA Campaign Number: 23V487000 (Back Over Prevention) however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the reca...
Exterior Lighting - filed 2024-03-16
Heavy condensation is occurring inside the driver side headlamp. A quick google search shows this is a common problem among Mazda owners and Mazda will not cover the repair. I am unable to get a Massachusetts state inspection sticker due to this.
Diagnose it yourself
As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.
More for the 2018 Mazda CX-3
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.