Abraham Jewett ย |ย  August 26, 2024

Category: Auto News
Close up of Mazda emblem on a front bumper, representing the Mazda class action.
(Photo Credit: OATZ To Go FACTORY/Shutterstock)

Mazda class action lawsuit overview:ย 

  • Who: Plaintiff Matt Cauller filed a class action lawsuit against Mazda Motor of America Inc. d/b/a Mazda North American Operations and Mazda Motor Corporation.ย 
  • Why: Cauller claims Mazda knowingly sold certain vehicles with a dangerous engine defect.ย 
  • Where: The class action lawsuit was filed in California federal court.ย 

A new class action lawsuit alleges that Mazda knowingly exposed the purchasers of hundreds of thousands of vehicles to a dangerous engine defect.ย 

Plaintiff Matt Caullerโ€™s class action lawsuit claims Mazda failed to disclose that its SKYACTIV-G 2.5T engines equipped in certain of its model year 2018-2021 Mazda6, 2021-2024 Mazda3 and CX-30, 2016-2023 CX-9, 2019-2024 CX-5, and 2022-2024 CX-50 vehicles were defective.ย 

Cauller says the alleged engine defect causes the engine to leak coolant, which causes the engine to overheat and leads to โ€œcatastrophic engine failure.โ€ย 

โ€œBecause of the Engine Defect, Mazdaโ€™s advertising about the safety and dependability of the Class Vehicles is untrue and materially misleading,โ€ the Mazda class action says.ย 

Cauller wants to represent a class of South Carolina consumers who purchased or leased in the state a class vehicle with a SKYACTIV-G 2.5T engine.ย 

Mazda admits existence of engine defect, class action claimsย 

Mazda has admitted to the existence of the engine defect via a series of technical service bulletins, yet has failed to warn consumers, extend the vehiclesโ€™ warranty, or issue a recall, the Mazda class action alleges.ย 

โ€œMazda has long known of the Engine Defect. It has amassed years of research, data, and Engine Defect warranty claims,โ€ the Mazda class action claims.ย 

Cauller claims Mazda is guilty of unjust enrichment and fraudulent omission and violating Southย  Carolinaโ€™s Unfair Trade Practices Act and state codes regarding breach of express warranty and breach of implied warranty of merchantability.ย 

The plaintiff demands a jury trial and requests declaratory and injunctive relief and an award of actual and statutory damages for himself and all class members.ย 

A group of consumers filed a separate class action lawsuit against Mazda earlier this year over claims the automaker sold certain vehicles equipped with defective infotainment systems.

Have you purchased a Mazda vehicle equipped with a SKYACTIV-G 2.5T engine? Let us know in the comments.

The plaintiffs are represented by Timothy G. Blood, Paula R. Brown and Jennifer L. MacPherson of Blood Hurst & Oโ€™Reardon, LLP and W. Daniel โ€œDeeโ€ Miles, III, H. Clay Barnett, III, J. Mitch Williams, Dylan T. Martin and Trent H. Mann of Beasley, Allen, Crow, Methvin, Portis & Miles, P.C.ย 

The Mazda class action lawsuit is Cauller, et al. v. Mazda Motor of America Inc., Case No. 8:24-cv-01807, in the U.S. District Court for the Central District of California.


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520 thoughts onMazda class action claims thousands of vehicles have engine defect

  1. Marsha Stanley says:

    CX5 2019 touring. I have not had a problem with engine yet. Mazda if thereโ€™s a problem, it would be great for Mazda to extend a warranty to cover that, if it happens.

  2. Amanda McEvoy says:

    My mazda 6 Had the same issue. Thank god I noticed the drip at my parents house..

  3. David Wyllie says:

    I bought a CX-5 in 2020 and was just recently told that my coolant reservoir tank is leaking. I am still waiting on the dealership to let me know if it covered under my extended warranty.

  4. Brittany R says:

    I bought a 2023 CX50 TPP in South Carolina earlier this year. So far, no issues

  5. Andrea Brown says:

    Yes I have this issue now I have a Mazda cx 9 2017 that I purchase September to where the coolant and caused engine failure

    1. Karma adams says:

      I have a 2018 CX nine and I had this issue. Iโ€™m pretty sure when I bought it over a year ago and I brought it to a dealership and they told me it was going to cost basically $12,000 to fix and I still owe $22,000 on the car.

  6. Julia says:

    Mazda knew about the defect! I bought my 2022 CX30 new. Ac wasnโ€™t working. Took it back to dealership . They said ac wasnโ€™t recharged after they replaced the motor. Motor was replaced because Mazda Said it was defective

  7. Christina Wallace says:

    My 2022 cx 50 turbo also jerks and had engine malfunction notification and would go over 5 mph, various problems with connectivity, leather tear in drivers seat, drivers seat squeeks, buttons in rear seats pushing down into seat and getting lost, felt popping up on dash. Iโ€™m regretting buying this

  8. Taj allen says:

    2023 cx 50 turbo
    Same, it has been in the shop 3xs for AC /engine problems. My car would jerk at a slow stop. The AC wasnโ€™t working for a yr. Took it in for AC not cooling in 2023 and again in the summer of 2024. They said coolant was leaking and parts had to be replaced. I was told the AC unit and istop work together. Now my AC has finally been fixed and the engine doesnโ€™t jerk anymore.

  9. Richard Washington says:

    Engine started going out and making noise, they had it in auto shop for a month, then same things happen another 10 weeks, then again after that I had to get rid of it

  10. Jeffrey Rusterholtz says:

    I have the exact same problem in my 2022 CX-50 Turbo. When coming to a standstill or in very very slow moving traffic, the car starts jerking over and over

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