Brake discs seriously weakened on the Renault Megane
Brake discs seriously weakened on the Renault Megane is recorded on 80,258 tests — 19.5% of all its MOT tests, against 9.5% across every car in the data. That is 2.1× the national share.
Is this unusual for this model?
| Compared with | What it says |
|---|---|
| Every car in the data | 9.5% of tests record it — this model is 2.1× that share |
| The 410 models compared | 5 of 410, highest first |
| The model's own record | 411,704 tests · every year of the Megane → |
A share of tests is not a probability for your car: it counts every Renault Megane tested, whatever its mileage, service history and use. The like-for-like comparison on the model page is the fairer number.
Year by year
In 2000, 4.8% of this model's tests recorded it; in 2021, 1.6%. The share has fallen 3.2 points over that time. Worst year 2006 at 11.8%; best 2021 at 1.6%.
| Year | Failures recorded | Tests | Share of tests |
|---|---|---|---|
| 2000 | 219 | 4,512 | 4.8% |
| 2001 | 614 | 7,402 | 8.3% |
| 2002 | 889 | 11,350 | 7.8% |
| 2003 | 636 | 6,112 | 10.4% |
| 2004 | 959 | 8,770 | 10.9% |
| 2005 | 2,095 | 26,022 | 8.1% |
| 2006 | 3,322 | 28,158 | 11.8% |
| 2007 | 5,638 | 69,879 | 8.1% |
| 2008 | 5,460 | 65,298 | 8.4% |
| 2009 | 7,595 | 106,131 | 7.2% |
| 2010 | 13,256 | 189,810 | 7.0% |
| 2011 | 10,731 | 104,574 | 10.3% |
| 2012 | 7,162 | 107,475 | 6.7% |
| 2013 | 5,596 | 58,246 | 9.6% |
| 2014 | 5,467 | 57,778 | 9.5% |
| 2015 | 4,420 | 76,125 | 5.8% |
| 2016 | 2,497 | 53,073 | 4.7% |
| 2017 | 2,127 | 50,481 | 4.2% |
| 2018 | 611 | 20,211 | 3.0% |
| 2019 | 681 | 17,226 | 4.0% |
| 2020 | 215 | 7,202 | 3.0% |
| 2021 | 55 | 3,420 | 1.6% |
Years with fewer than 0.2% of tests recording the item are left out: a year with two failures in 400 tests is noise, and this table is not here to make noise look like a trend.
What it costs
A typical UK repair for this item is £45–£110 fitted. It is a job a careful owner can do at home. What the part is, and what to buy →
Prices are typical UK supply-and-fitting estimates, not quotes. What happens if it fails covers the retest rules.
Where this sits
- Brake discs seriously weakened: every model, every year → — the item's own page, with the part guide.
- Renault Megane MOT pass rate by year → — the model's whole record, and what else it fails on.
- Every Renault model →