Vidaillet say they leased a 2019 Mazda 3 not knowing that the car suffered from a defect that caused unintended activation of the Smart City Brake Support (SCBS) and/or the Smart Brake Support (SBS) systems.Īccording to the Mazda class action lawsuit, 2018 through 2020 model year Mazda vehicles containing SCBS or SBS systems are affected by a braking defect. Two Florida residents allege in a Mazda class action lawsuit that their late model vehicle contains defective “smart” brakes which activate unexpectedly.