Driver assistance and automatic emergency braking Mazda: problems by model and engine

Documented faults, from most to least important

Severity × frequency. Below each one, the Mazda models it appears in.

- Critical severityFrequency: OccasionalMazda 3 IVSmart Brake Support can brake the car unintentionally while drivingOn cars built between November 2018 and October 2019, an unintended activation of the Smart Brake Support automatic braking system can stop the car unexpectedly while it is moving, with a risk of the vehicle behind running into it. Mazda inspects it free of charge at an official dealer.
- Critical severityFrequency: OccasionalMazda CX-30Smart Brake Support can brake the car unintentionally while drivingOn cars built between November 2018 and October 2019, an unintended activation of the Smart Brake Support automatic braking system can stop the car unexpectedly while it is moving, with a risk of the vehicle behind running into it. Mazda inspects it free of charge at an authorised dealer.
- High severityFrequency: RareMazda 3 IVThe rear-view and 360° cameras may not show an image on the screenOn cars built between June and September 2023, incorrect processing in the camera control module can stop the image from the rear, side or 360° monitor camera appearing on the central screen. Mazda fixes it by updating the module at an official dealer.
- High severityFrequency: RareMazda CX-30Rear-view and 360° cameras may not show an image on the screenOn cars built between June and September 2023, incorrect processing in the camera control module can stop the image from the rear, side or 360° monitor cameras from appearing on the central screen. Mazda corrects it by updating the module at an authorised dealer.
- Low severityFrequency: OccasionalMazda CX-5 IIntermittent failures of the driver-assistance sensorsSome first-generation CX-5s show intermittent failures in the driver-assistance systems: the automatic high beam can flicker when switched on, and the sensors for city automatic braking, blind-spot warning or tyre pressure can give inconsistent readings.

By Mazda model

Open yours to see only the faults that affect it, by engine and by year.

Frequently asked questions

What faults with driver assistance systems do Mazda cars have?

In 3 models from Mazda there are 5 documented faults with driver assistance systems. The most important: smart Brake Support can brake the car unintentionally while driving, smart Brake Support can brake the car unintentionally while driving and the rear-view and 360° cameras may not show an image on the screen. Each fault has its own page with the affected years and versions, the symptoms and the repair cost.

Which Mazda models have the most problems with driver assistance systems?

Mazda 3 IV (2 faults), Mazda CX-30 (2 faults) and Mazda CX-5 I (1 fault).