Home/ Mazda/ Cx-9/ 2018

2018 Mazda Cx-9

Safety Score
72
Average
Recalls
1
Complaints
50
NCAP Stars

Recalls (1)

Date NHTSA ID Component Units Completion
2019-05-30 19V403000 ELECTRICAL SYSTEM:WIRING 7,854 Details

Owner Complaints (showing up to 50)

Date Component Crash Injuries Summary
2026-04-01 POWER TRAIN No 0 My 2018 Mazda CX-9 with the SKYACTIV-G 2.5T engine has been diagnosed with a cracked cylinder head, cracked exhaust man…
2026-03-08 ELECTRICAL SYSTEM No 0 The liftgate (trunk) opens sporadically. The system keeps trying to open the truck and it's causing a parasitic drain o…
2026-02-19 SERVICE BRAKES No 0 My 2018 Mazda CX-9 experienced catastrophic engine damage after a radiator failure allowed coolant to enter the engine.…
2026-02-11 SEATS No 0 The adjustable rails holding the rear left seat in place no longer latch. It is available for inspection. This is the m…
2026-01-27 ELECTRICAL SYSTEM No 0 Passenger seat heater either had a grounding issue or shorted out, causing to seat to start smoldering and catching fir…
2025-12-26 ENGINE No 0 Here the facts, bought a car out of state (Illinois) from Iowa with 130,131 miles on Sept 12th 2025, Mazda CX9, the de…
2025-09-08 SERVICE BRAKES No 0 my 2018 MAZDA CX-9 safety issue SCBS / SBS, LAS / LDWS, MASTER AND/OR HBC WARNING LIGHTS Forward sensing camera (FSC) s…
2025-09-07 ELECTRICAL SYSTEM No 0 [XXX] 2018 MAZDA CX-9 GRAND TOURING 89014 MILES Date: 9/11/2025 To: Mazda North American Operations Attn: Customer E…
2025-08-15 VISIBILITY/WIPER No 0 Passenger side sun visor will not stay in place. Cannot lock it in up position, which means it droops. Causing sight of…
2025-08-10 SERVICE BRAKES No 0 I am submitting this recall request because my vehicle has experienced repeated incidents of a serious safety issue. Wh…
2025-07-26 ENGINE No 0 Cracked cylinder head/leaking coolant.
2025-06-14 ENGINE No 0 . In January 2024, I purchased a used 2018 Mazda CX-9. The vehicle ran well until [XXX], when I discovered an engine co…
2025-04-15 SERVICE BRAKES No 0 1. The navigation has a frosted crackle appearance framing the screen. It is difficult to read the navigation when ne…
2024-12-13 ENGINE No 0 coolant leaking from engine block cracked cylinder head
2024-12-07 ENGINE No 0 Our Mazda CX-9, having roughly 86,000 miles, had catastrophic engine failure while driving. This is caused by coolant l…
2024-11-04 ENGINE No 0 coolant leaks at the cylinder head around the exhaust manifold. Caused crack in the head. The Mazda 2.5t engine has thi…
2024-10-25 ENGINE No 0 Fan is not working and car is overheating when driving in traffic or low speeds - from forums this seems to be a common…
2024-10-21 ENGINE No 0 My vehicle was low on antifreeze. I brought it into the dealer and had them look at it. They told me there was an anti…
2024-10-09 STEERING No 0 Steering makes knocking noises when turning. It happened suddenly with no damage to car to cause it. It was fine prior …
2024-09-30 ENGINE No 0 - My 2018 Mazda CX 9 started stalling and jittering at idle and then eventually during slow driving. - Next day I got a…
2024-09-30 ENGINE No 0 Engine cylinder head is leaking coolant. This is a known issue by Mazda as they have submitted a TSB on the issue but h…
2024-09-21 ENGINE No 0 Over heating /coolant leak
2024-09-20 POWER TRAIN No 0 coolant leaks at cylinder head , Mazda of America knows issues but not willing to recall , they hava a bulletin number …
2024-08-26 ENGINE No 0 While driving on an interstate service drive in Michigan, my 2018 Mazda CX9 GT suddenly lost power and began flashing o…
2024-08-22 ENGINE No 0 Vehicle had bucking coming to a stop. Noticed coolant was l9w, and temp guage was fluctuating at a stop slightly. Broug…
2024-08-07 ENGINE No 0 Approximately three weeks ago, a message on my dashboard said to pull over immediately. Your car is overheating. I pul…
2024-07-29 ENGINE No 0 Engine is leaking coolant apparently due to a cracked engine block caused by a manufacturing defect in the casting. Maz…
2024-07-20 ENGINE AND ENGINE COOLING No 0 The contact owns a 2018 Mazda CX-9. The contact stated that while driving at various speeds, the engine started overhea…
2024-07-18 ENGINE No 0 I purchased a 2018 Mazda cx9 from a local used car dealer several weeks ago. Check engine light came on after a few wee…
2024-06-30 ENGINE No 0 Mine Mazda 2018 CX9 had coolant leakage at 55K miles. Issue is with faulty cylinder head acknowledged by Mazda in below…
2024-06-22 ENGINE No 0 "High coolant temperature warning. Stop car at a safe place immediately " came up. Stopped car at a mechanic and diagno…
2024-06-10 ENGINE No 0 My car started leaking coolant from cylinder, it is known issue for these models, unfortunately Mazda cooperation doesn…
2024-05-01 ENGINE No 0 Due to the flawed engine design which is well documented for these engines, ours started leaking coolant and it was eve…
2024-04-27 ENGINE No 0 Cylinder head cracked at 100k. There is tsb knowing that this is a problem. It even stats that it happens during Manufa…
2024-04-26 ENGINE No 0 2018 CX9 with 74k miles. Took it back to the dealer where I bought it from and have an extended warranty. They are tell…
2024-04-15 ENGINE No 0 The 2018 Mazda CX-9 has been experiencing significant engine coolant leaks, which are suspected to stem from a manufact…
2024-04-02 ENGINE No 0 Car started leaking coolant, and running rough / stalling. Eventually overheated due to lack of coolant. Mazda dealer r…
2024-02-06 POWER TRAIN No 0 My vehicle had a coolant leak st the cylinder head around the exhaust manifold. The problem was confirmed by an indepen…
2024-01-20 ENGINE No 0 I recently bought a Mazda CX-9 and noticed that my vehicle was slightly overheating. The coolant level was very low. I …
2024-01-19 ENGINE No 0 Cracked Cylinder Head Verified by Mazda Dealer . Noted it seems to be a very common problem with Mazda cx9 2018 models …
2024-01-12 ENGINE No 0 Mazda has a known technical service bulletin [XXX] which has numerous engine cylinder heads which leaks coolant causing…
2023-12-21 ENGINE No 0 Engine coolant leaking due to cracked cylinder head, found by Mazda dealership service inspection and diagnostics. Pow…
2023-12-15 ENGINE No 0 At 102,000 miles I have a cracked cylinder head
2023-12-05 ENGINE No 0 Cracked cylinder head resulting in no heat, leaking coolant and risk of overheating and fire. Crack on backside of cyl…
2023-11-06 ENGINE No 0 My 2018 Mazda CX-9 developed a rapid overheating issue which was determined to be caused by a cracked cylinder head. Th…
2023-11-05 UNKNOWN OR OTHER No 0 The infotainment screen has spider like frost inside the screen. I've checked and other models have had this same issu…
2023-10-16 ENGINE No 0 We noticed a coolant leak and took vehicle in for service. Told that engine has a Coolant Leak at Cylinder Head [XXX] …
2023-10-09 ENGINE No 0 As I was driving 26 mile trip to work I noticed a red light illuminated on dash indicating the temp was about 240-260. …
2023-10-09 ENGINE No 0 Went in to the mechanic to get a regular oil change and noticed a liquid slushing sound after starting the car up. Was …
2023-10-01 ENGINE No 0 Coolant leak in the 3rd cylinder, causing the car to overheat and cracking cylinder head, making inoperable.