2018 Mazda CX-9: raw data

Every record we hold for this vehicle, as plain tables, with nothing added. The consumer page shows the same records with the maintenance schedule, price ranges and nearby shops around them.

vehicle2018 / mazda / cx-9
known issues6 clusters (reviewed 2026-07-11)
complaints128 on file (2017-12-08 → 2026-09-17)
recalls2
investigations0
fars7 occupant deaths, crash years 2010-2024 (legacy-code)
indexedyes
licenseCC BY 4.0 (derived)

Known Issues clusters all years →

Engine coolant leak from cracked cylinder headENGINE71 complaints2022-06 → 2026-06cx-9-2018-cylinder-head-coolant-leak
  • 11542796 The cylinder head cracked and leaked engine coolant at 72K miles. This is a known design flaw IAW TSB 01-007/22. Vehicle overheated.
  • 11615751 coolant leaks at cylinder head , Mazda of America knows issues but not willing to recall , they hava a bulletin number 01-002/23 . pls help
Infotainment screen internal spider crackingUNKNOWN OR OTHER14 complaints2021-06 → 2025-07cx-9-2018-infotainment-screen-cracking
  • 11490208 After sitting in the heat of summer, cracks appeared on two of the corners of the LCD navigation screen making it very hard to see portions of the screen.
  • 11467196 the Mazda Connect information screen has small spider cracks on the upper right part of screen that are inside the glass (if you run your finger over the crack it feels smooth). Information websites pertaining to Mazda vehicles say it's caused by temperature change.
Smart brake system warnings and uncommanded brakingELECTRICAL SYSTEM, SERVICE BRAKES, FORWARD COLLISION AVOIDANCE6 complaints2020-07 → 2025-09cx-9-2018-smart-brake-malfunction
  • 11682407 I am submitting this recall request because my vehicle has experienced repeated incidents of a serious safety issue. While driving—most often on the highway—a warning appears that says “Smart System Brake Malfunction.” Immediately after, the car begins braking on its own…
  • 11496403 I keep getting a automatic emergency braking malfunction alert
Fuel pump failure and engine stallFUEL SYSTEM, GASOLINE4 complaints2018-07 → 2022-06cx-9-2018-fuel-pump-stall
  • 11465504 When this vehicle is low on fuel (but not empty) and under heavy acceleration, the fuel pump temporarily fails causing the engine to stall. This creates a serious safety hazard. Other 2019 Mazda models were covered for a similar defect under NHTSA Campaign Number 21V-875,…
  • 11455059 The contact owns a 2018 Mazda CX-9. The contact stated that while pulling up to a gas pump the vehicle lost motive power and stalled. The contact added gasoline to the vehicle, restarted the vehicle, and was able to continue to drive to her residence…
Unintended acceleration with foot on brakeUNKNOWN OR OTHER, SERVICE BRAKES, ENGINE3 complaints2019-07 → 2022-12cx-9-2018-unintended-acceleration
  • 11413732 HAPPENED TO ME TWO TIMES IN PAST THREE WEEKS, WHERE I AM COMING TO A STOP, OR HARDLY MOVING, AND CAR SUDDENLY ACCELERATES. HAD MY FOOT ON THE BRAKE AND THE CAR WAS STILL TRYING TO ACCELERATE. YESTERDAY, 4/24/21 IT TOOK ALL MY STRENGTH ON THE BRAKE TO KEEP THE CAR FROM PULLING…
  • 11497382 I was resting my foot on my brake in the middle of sealed traffic and when I eased up to move forward when traffic my brakes did stop causing me to bump the car ahead of me. After that what came next was that my car then accelerated forward with my foot still on the brake…
Heated seat smoldering and fireSEATS2 complaints2026-01 → 2026-06cx-9-2018-heated-seat-fire
  • 11713860 Passenger seat heater either had a grounding issue or shorted out, causing to seat to start smoldering and catching fire, destroying the seat. There has been recalls and lawsuits for this specific issue on this model in other years, but not for this model year.
  • 11742848 My passenger heated seats malfunction while I was driving. As I was driving on the highway I smelled something burning. I didn't know where the smell was coming from it was strong . Then while I'm driving on the highway my seat started to smoke a lot I got scared and pulled…

NHTSA complaints (summary) all years →

countearliest_datelatest_datecrash_flaggedfire_flaggedtop_components
1282017-12-082026-09-1741ENGINE:76; UNKNOWN OR OTHER:19; ELECTRICAL SYSTEM:15; POWER TRAIN:13; SERVICE BRAKES:11

Recalls all years →

campaign_numberreport_received_datecomponentsummaryconsequenceremedy
21V87500012/11/2021FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMPMazda North American Operations (Mazda) is recalling certain 2018 Mazda3, Mazda6, 2019 CX-3, 2018-2019 MX-5, CX-5, CX-9, and 2019-2020 Mazda2 vehicles. The impeller inside the low-pressure fuel pump may crack and deform, potentially causing the fuel pump to fail.Fuel pump failure may cause an engine stall, increasing the risk of a crash.Dealers will replace the fuel pumps, free of charge. Owner notification letters were mailed July 18, 2022. Owners may contact Mazda customer service at 1-800-222-5500 Option 4. Mazda's number for this recall is 5321K.
19V40300030/05/2019ELECTRICAL SYSTEM:WIRINGMazda North American Operations (Mazda) is recalling certain 2018 CX-9 vehicles. The wiring harness may disrupt electrical communications and disable the passenger frontal air bag, turn signals, and/or engine starting system.The passenger frontal air bag may not deploy, increasing the risk of injury. Inoperable turn signals prevent the driver from signaling to other drivers, increasing the risk of crash.Mazda will notify owners, and dealers will repair the wiring harnesses, free of charge. The recall began July 26, 2019. Owners may contact Mazda customer service at 1-800-222-5500, Option 4. Mazda's number for this recall is 3419E.

Investigations all years →

none listed

FARS occupant deaths all years →

crash_yearsoccupant_deathsmatch_typevpic_recovered
2010-20247legacy-code0

FARS counts every occupant death in a fatal crash, whatever the cause — it does not mean the vehicle was at fault or defective. Counts are not adjusted for how many of each vehicle are on the road.

Cite this

Derived data is CC BY 4.0. Link back to the page you used. Text and BibTeX below.

Wrench.Pro (2026). 2018 Mazda CX-9 vehicle data [dataset]. https://www.wrench.pro/data/vehicles/2018/mazda/cx-9
@misc{wrenchpro_2018_mazda_cx_9_2026,
  author = {Wrench.Pro},
  title = {Wrench.Pro vehicle data: 2018 Mazda CX-9},
  year = {2026},
  howpublished = {\url{https://www.wrench.pro/data/vehicles/2018/mazda/cx-9}},
  note = {Derived from NHTSA public records. CC BY 4.0.}
}

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