2018 Mazda CX-9 service brakes problems
11 owner complaints filed with NHTSA name the service brakes on the 2018 Mazda CX-9 — 9% of all complaints for this model year.
What owners report
“My 2018 Mazda CX-9 experienced catastrophic engine damage after a radiator failure allowed coolant to enter the engine. The vehicle provided no dashboard warning, overheating alert, or coolant warning before the failure occurred. Modern vehicles are designed to alert drivers to overheating or…”
filed Mar 12, 2026
“my 2018 MAZDA CX-9 safety issue SCBS / SBS, LAS / LDWS, MASTER AND/OR HBC WARNING LIGHTS Forward sensing camera (FSC) stops functioning cause my car run rough even depress accelration and those light came on dashbaord -Forworad smart city brake support malfunction -smart brake system -front camera…”
filed Sep 9, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Service Brakes problems in other CX-9 years
| Year | Reports | Share |
|---|---|---|
| 2021 CX-9 | 4 | 11% |
| 2020 CX-9 | 2 | 11% |
| 2019 CX-9 | 2 | 4% |
| 2016 CX-9 | 11 | 11% |
| 2015 CX-9 | 3 | 9% |
| 2014 CX-9 | 9 | 17% |
| 2013 CX-9 | 16 | 24% |
| 2012 CX-9 | 139 | 63% |
| 2011 CX-9 | 97 | 57% |
| 2010 CX-9 | 88 | 45% |
| 2009 CX-9 | 17 | 29% |
| 2008 CX-9 | 23 | 13% |
Other reported problem areas on the 2018 Mazda CX-9
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.