2016 Mazda CX-9: complaints, problems and recalls
Explore the records behind recurring owner reports.
Key facts
104 owner complaints analyzed
0 distinct recall campaigns
40,000 mi median reported failure mileage
Scope: 2016 model year. Data snapshot: . 29 complaints include usable failure mileage.
Most common problems
Engine is the most frequently named component, appearing in 65 of 104 complaints (62.5%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 17 | 16.3% |
| Engine operation | 6 | 5.8% |
| Fuel system concerns | 4 | 3.8% |
| Electrical and battery issues | 2 | 1.9% |
| Steering behavior | 2 | 1.9% |
| Transmission and shifting | 1 | 1.0% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Engine | 65 |
| Electrical System | 14 |
| Service Brakes | 11 |
| Power Train | 9 |
| Fuel/Propulsion System | 7 |
| Unknown Or Other | 6 |
| Structure:Body | 4 |
| Engine And Engine Cooling | 3 |
Engine: 65; Electrical System: 14; Service Brakes: 11; Power Train: 9; Fuel/Propulsion System: 7; Unknown Or Other: 6; Structure:Body: 4; Engine And Engine Cooling: 3
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 9 |
| 25,000 to 49,999 | 10 |
| 50,000 to 74,999 | 6 |
| 75,000 to 99,999 | 1 |
| 100,000 to 149,999 | 3 |
| 150,000 and above | 0 |
Under 25,000: 9; 25,000 to 49,999: 10; 50,000 to 74,999: 6; 75,000 to 99,999: 1; 100,000 to 149,999: 3; 150,000 and above: 0
25,000 to 49,999 miles has the most reports with usable mileage (10). 75 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 7 |
| 2019 | 8 |
| 2020 | 5 |
| 2021 | 6 |
| 2022 | 23 |
| 2023 | 17 |
| 2024 | 26 |
| 2025 | 5 |
| 2026 | 2 |
2016: 2; 2017: 3; 2018: 7; 2019: 8; 2020: 5; 2021: 6; 2022: 23; 2023: 17; 2024: 26; 2025: 5; 2026: 2
Pattern summary
Engine leads the component reports. Braking behavior appears in 17 complaint narratives. Engine operation appears in 6 complaint narratives. Fuel system concerns appears in 4 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Examples from the source records
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10893327 · 2016-08-04 (August 4, 2016)
I BOUGHT THE CAR SATURDAY. FOUR DAYS LATER, I FILLED THE TANK AT 2:00 PM FOR THE FIRST TIME. I THEN DROVE ABOUT 30 MILES. WHEN I ARRIVED HOME AT 5:00PM, I PARKED IN THE GARAGE. I NOTICED THE ODOR OF FUEL AS SOON AS I EXITED THE CAR AND CHECKED TO MAKE SURE I HAD SECURED THE GAS CAP, WHICH I HAD. THIRTY MINUTES LATER, THE ENTIRE DOWNSTAIRS OF OUR HOUSE SMELLED LIKE GASOLINE. THE GARAGE WAS CONSUMED WITH FUEL ODOR, AND THE FIRE POTENTIAL CAUSED US TO RETURN THE CAR TO THE DEALERSHIP IMMEDIATELY AFTER THAT. THE FUEL ODOR WAS PRESENT WITHIN THE CAR…
Owner-reported narrative. 200 miles reported. Look up ODI 10893327 at NHTSA ↗
Owner report 10926822 · 2016-11-18 (November 18, 2016)
AFTER A MINOR REAR END ACCIDENT, THE DRIVER FRONT SEAT NOW ROCKS SIDE TO SIDE AND IS DISTRACTING AND UNSAFE. IT WAS TAKEN TO THE LOCAL MAZDA DEALERSHIP THAT PROVIDED AN INSPECTION AND SAID THAT THERE IS NO PROBLEM WITH THE SEAT. THEY STATE THAT IT IS NORMAL FOR THEIR SEATS TO ROCK SIDE TO SIDE. HOW UNSAFE AND FRIGHTENING. PLEASE SEE ATTACHED DOCUMENTATION FROM THE DEALERSHIP.
Owner-reported narrative. 5,500 miles reported. Look up ODI 10926822 at NHTSA ↗
Owner report 10954069 · 2017-02-12 (February 12, 2017)
ONE MILE FROM HOME THE SMART BRAKE SYSTEM MALFUNCTION & FRONT RADAR SYSTEM MALFUNCTION WAS DISPLAYED. CAR WAS SHAKING AND ACTING AS IF THE EMERGENCY BRAKE WAS ACTIVE WHILE THE CAR WAS IN MOTION. CAR WAS SLOW TO ACCELERATE. HAD I BEEN ON THE INTERSTATE I COULD HAVE BEEN REAR-ENDED. PULLED OVER TO TURN THE CAR OFF AND BACK ON. CAR WAS OKAY THE REMAINDER OF MY 20 MILE DRIVE.
Owner-reported narrative. 9,102 miles reported. Look up ODI 10954069 at NHTSA ↗
Owner report 11029996 · 2017-09-26 (September 26, 2017)
THE PUSH BUTTON ON/OFF SWITCH DOES NOT PROTECT AGAINST TURNING THE VEHICLE OFF IF TRANSMISSION IS ACCIDENTALLY LEFT IN ANY POSITION OTHER THAN 'P'. FOR EXAMPLE ITS POSSIBLE TO PUT THE TRANSMISSION IN 'R' AND TURN THE VEHICLE OFF. FOR A BUSY PARENT (TARGET DEMOGRAPHIC OF THIS VEHICLE), THIS IS VERY DANGEROUS. IF ON AN INCLINE, THE VEHICLE WILL START ROLLING FORWARD OR BACKWARD (DEPENDING ON INCLINE/SLOPE AND R/D TRANSMISSION POSITION). THERE SHOULD BE A SAFEGUARD OR A BEEP/WARN SYSTEM TO PROTECT THE DRIVER/OCCUPANTS THIS HAPPENED TO ME ON AN …
Owner-reported narrative. 1,700 miles reported. Look up ODI 11029996 at NHTSA ↗
Owner report 11057465 · 2017-12-29 (December 29, 2017)
IMMEDIATELY UPON MAKING A SHARP RIGHT TURN INTO A PARKING SPOT, THE CAR SUDDENLY ACCELERATED AT A VERY FAST PACE WITHOUT ME PUSHING THE GAS PEDAL. MY IMMEDIATE REACTION WAS TO PRESS ON THE BRAKE, BUT IT DID NOT STOP. THE CAR SLAMMED INTO A PLANTER IN FRONT OF ME. THE CAR MOVED SO QUICKLY THAT IT WAS LODGED INTO THE BUSHES AND HAD TO BE PULLED OUT BY A TOW TRUCK. I IMMEDIATELY CALLED THE DEALER SERVICE DEPARTMENT AND TOLD THEM WHAT HAPPENED. THE SERVICE MANAGER'S IMMEDIATE REACTION WAS TO SCOFF AT THE IDEA THAT THE CAR ACCELERATED ON IT'S OWN.…
Owner-reported narrative. 24,000 miles reported. Look up ODI 11057465 at NHTSA ↗
Owner report 11091416 · 2018-05-02 (May 2, 2018)
WHEN DRIVING AT 35-50 MPH, MY 2016 MAZDA CX-9 PERIODICALLY BRAKES SUDDENLY WHILE DRIVING TO A SCRUBBING FORCEFUL STOP TOSSING THINGS OFF THE BACK SEAT, PLACING ME IN DANGER OF A REAR-END COLLISION. SOMETIMES A VERY QUICK BEEPING SOUND IS MADE, "B-R-A-K-E" APPEARS ON THE PANEL IN LARGE LETTERS --- THEN THE CAR AUTOMATICALLY COMES TO A SUDDEN STOP OR IT OCCURS WITH NO NOTICE. I HAVE TAKEN IT TO THE DEALER 3 OR 4 TIMES ONLY TO BE TOLD THAT THEY COULD FIND NOTHING WRONG. NO OBJECTS OF VEHICLES WERE IMMEDIATELY IN FRONT OF ME AND THE SENSOR WAS CLEA…
Owner-reported narrative. 16,000 miles reported. Look up ODI 11091416 at NHTSA ↗
Owner report 11099187 · 2018-06-01 (June 1, 2018)
THE INFOTAINMENT SCREEN CONTAINING THE BACKUP CAMERA GOES BLANK . THE CAR HAS 16000 MILES ON IT AND HAS HAD THIS PROBLEM SINCE NEW. THE DEALER HAS THE CAR MULTIPLE TIMES AND HAS NOT FIXED THE PROBLEM. RESEARCH ON THE INTERNET REVEALS THAT THERE IS A MAJOR ISSUE WITH MANY MAZDA VEHICLES. THIS PROBLEM HAPPENS ON STARTUP AND WILL CONTINUE TILL SHUTOFF . IT MAY OR MAY NOT COME ON UPON RESTART
Owner-reported narrative. 16,000 miles reported. Look up ODI 11099187 at NHTSA ↗
Owner report 11113072 · 2018-07-23 (July 23, 2018)
SUNROOF EXPLODED WHILE DRIVING APPROX 40 MPH. WERE IN A VALLEY ON VACATION IN COLORADO, NO TREES OR ANYTHING OVERHEAD WHEN THIS HAPPENED. WE HAD JUST CLOSED THE WINDOWS AND TURNED ON THE AIR CONDITIONER AS IT WAS GETTING HOT. ABOUT 2 MINUTES LATER WE HEARD A LOUD EXPLOSION. ONLY WHEN WE PULLED OVER DID WE DISCOVER IT WAS THE SUNROOF.
Owner-reported narrative. 26,000 miles reported. Look up ODI 11113072 at NHTSA ↗
Recall history
0 distinct campaigns affect this selection. Announcement dates below are different from vehicle model years. A campaign may cover multiple years.
No recall campaigns are recorded in this snapshot.