Brake discs: significantly and obviously worn

This was recorded 248,808 times on cars and light vans in 2025, which makes it number 36 on the list of things that stop a car passing.

248,808recorded in 2025
36on the national list
1.2%of the top forty defects

What the tester is looking at

Brake disc or drum significantly and obviously worn

What you can do about it

Discs wear alongside the pads and are usually replaced at the same time.

How serious it counts as

The tester records this as a major defect. What the categories mean.

All forty defects, from 42,728,066 MOT tests in 2025.