MOT performance
Mercedes-Benz CLA: lights, reflectors and electrical MOT failures
3.1% of 117,936 MOT tests on the Mercedes-Benz CLA in 2023–2024 failed on lights, reflectors and electrical, against 11.2% for all cars. Allowing for age, mileage and fuel, Mercedes-Benz CLAs failed on lights, reflectors and electrical 47% less often than comparable cars, from 3,667 tests with a lights, reflectors and electrical failure.
117,936 MOT tests on 62,946 vehicles, 2023–2024 · Source: DVSA (Open Government Licence) · Analysis: 73 Auto
Check a specific car's MOT history and running costsAt a glance
| Figure | Value | Basis |
|---|---|---|
| Tests failed on lights, reflectors and electrical | 3.1% | 3,667 of 117,936 tests |
| All cars | 11.2% | n = 65,477,892 |
| vs similar cars | -47% | same age, mileage and fuel |
By registration year
| Registered | Tests | Failed on it | vs similar cars |
|---|---|---|---|
| 2022 | 342 | 1.8% | -32% |
| 2021 | 10,034 | 2.8% | -4% |
| 2020 | 15,047 | 2.5% | -14% |
| 2019 | 16,719 | 2.2% | -36% |
| 2018 | 16,798 | 2.5% | -43% |
| 2017 | 16,565 | 2.5% | -57% |
| 2016 | 15,499 | 3.0% | -58% |
| 2015 | 13,874 | 4.0% | -56% |
| 2014 | 8,779 | 5.7% | -49% |
| 2013 | 4,279 | 6.5% | -53% |
What this does and doesn't tell you
A higher failure rate on lights, reflectors and electrical can reflect the design, typical use or how often owners replace parts before the MOT. It doesn't tell you about any one car: a specific Mercedes-Benz CLA's MOT history does. See MOT check.
Check a specific Mercedes-Benz CLA
Enter a UK registration to see that car's own MOT history and what it is likely to cost to own. Your first check is free and shows the vehicle summary and its headline ownership cost. The category-by-category breakdown is part of a paid check.
UK number plate or 17-character VIN
About this data. These are MOT test results, not a measure of mechanical reliability: a car's MOT outcome reflects its condition on the day, which depends on how it has been maintained and driven as well as how it was built. Figures cover class 4 vehicles (cars and light vans), normal tests only (retests excluded), outcomes pass, fail and pass after rectification at the station; vehicles at least 2.5 years old at test. Tests from 2023-01-01 to 2024-12-30. “Compared with similar cars” means compared with the national rate for cars of the same age, mileage band and fuel. Contains public sector information licensed under the Open Government Licence v3.0. Makes and models are matched to 73 Auto's vehicle catalogue; tests that can't be matched are left out rather than guessed. See how the MOT figures are produced.
Related
- All Mercedes-Benz CLA MOT results
- Lights, reflectors and electrical failures across all cars
- Mercedes-Benz CLA: brakes
- Mercedes-Benz CLA: suspension
- Mercedes-Benz CLA: tyres
- Mercedes-Benz CLA: road wheels
- Mercedes-Benz CLA: body, chassis and structure
- Mercedes-Benz CLA: seat belts and airbags
- How repair costs are estimated