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BrakesPart report

2020 Mazda CX-30 Brakes Problems

Complaints
7about this part
Share
21%of 34 total for the year
Median mileage
3,950miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 7 complaints about the brakes of the 2020 Mazda CX-30, 21% of the 34 complaints for this model year. Where a mileage was given, the median is 3,950 miles. 1 of these say a crash was involved, according to the filers. 1 recall campaign on record is filed under a similar system.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“I was driving car on.the highway and as I prepared to exit I braked and the car hesitated for 2 seconds before brakes engaged. Car has also had hesitation upon acceleration periodically .this has been an issue upon just a few weeks of ownership. The break issue was just recently 7-29-20 I have taken the car to the local dealership about the driving/accelaration issue twice without resolution .”

NHTSA complaint #11331647, filed 2020-06, 3,950 miles

“While driving across Speer Blvd in Denver, CO (6 lanes) the emergency assist brake engaged and brought my car to a complete stop. There were no cars or objects ahead of me and fortunately the cars behind me were able to stop.”

NHTSA complaint #11468192, filed 2022-06

“The car was running in parking garage without ignition being turned on. When I entered the car, the motor wouldn't catch at all, and message popped up saying the there was a brake malfunction. All the lights were on, so it did not seem to be a battery problem, but the drive function was dead. Several months ago the car started racing while i was driving and i couldnt get it to stop. I finally, while still driving, turned off the ignition and rolled off the road. After a few minutes, i restarted the engine. it had stopped racing and i drove it to the Mazda dealership. …”

NHTSA complaint #11563320, filed 2024-01

“The Automatic Emergency Braking system is activated even if there is nothing in front of the car. The car stops on its own. This has happened 11 times. Yes, my car is available for inspection. I do not know when it's going to happen. My car has malfunctioned like this 11 times. I can get hit from behind since the car is suddenly and unexpectedly braking. The dealership has not been able to reproduce the problem. The local dealership told me that Mazda is aware of the problem, but does not know what is causing it or how to fix it. …”

NHTSA complaint #11438761, filed 2021-10

“Front and rear brakes premature wear, would have failed safety inspection under 30,000 miles but brakes were inspected just outside of warranty with metal on metal. RIGHT rear coil spring snapped lower middle of coil while driving on flat even ground. Just outside of warranty.”

NHTSA complaint #11596869, filed 2024-06

Related recalls

Related service bulletins

Brakes: other model years

YearComplaintsShare of year
2025312%
2024618%
2023728%
202239%
202188%
2020721%

Other parts of the 2020 Mazda CX-30

Other or unknown
9 complaintsEngine
6 complaintsElectrical system
5 complaintsFuel system
5 complaintsTransmission and drivetrain
4 complaintsBody and structure
3 complaintsExterior lighting
2 complaintsForward collision avoidance
2 complaintsSeat belts
2 complaintsSuspension
2 complaintsSteering
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints

← All problems reported for the 2020 Mazda CX-30

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology