Does the Mazda CX-3 fail the MOT on brakes more than it should?
The Mazda CX-3 records 3.14 brakes failure items per 100 initial MOT tests (2019–2024), against 4.22 expected for a car of the same age mix: less than expected for its class and age (−1.08, 95% interval −1.20 to −0.97). It ranks 402 of 712 models on brakes (1 = most failures above expected).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on brakes · check a Mazda CX-3 by registration
What exactly fails on brakes?
The most frequent DVSA defect wording in this group on the Mazda CX-3 is “a brake lining or pad worn below 1.5mm”, recorded 1,788 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| a brake lining or pad worn below 1.5mm | 1,788 | 1.55 |
| Brake disc or drum significantly and obviously worn | 346 | 0.30 |
| Brake pipe damaged or excessively corroded | 306 | 0.26 |
| Excessive fluctuation in brake effort through each wheel revolution. | 157 | 0.14 |
| Brake lining or pad worn down to wear indicator | 149 | 0.13 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 115,726 (initial tests) · Method: failure items (major and minor) grouped by DVSA's defect tree; wordings with 30+ items · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV
If a Mazda CX-3 gets a brakes advisory, how often does it fail next time?
5.2% of Mazda CX-3 MOTs with a brakes advisory were followed by a fail in the same group at the next MOT, typically 12 months and 6,655 miles later (13,441 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 13,441 (advisories followed) · Method: the same vehicles followed to their next ordinary MOT · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV
Other pages for this model
Mazda CX-3 2015 · Mazda CX-3 2016 · Mazda CX-3 2017 · Mazda CX-3 2018 · Mazda CX-3 2019 · Mazda CX-3 in Norway · Mazda CX-3 in Finland · Mazda CX-3 in the Netherlands · Mazda CX-3 by postcode area · Mazda CX-3 body, chassis and structure failures · Mazda CX-3 vehicle identification failures · Mazda CX-3 lamps, reflectors and electrics failures · Mazda CX-3 noise, emissions and leaks failures · Mazda CX-3 road wheels failures · Mazda CX-3 seat belts and airbags failures · Mazda CX-3 steering failures · Mazda CX-3 suspension failures · Mazda CX-3 tyres failures · Mazda CX-3 visibility failures