MOT performance
2008 Mercedes-Benz CLS: MOT pass rate and common failures
Of 2,912 MOT tests on 2008-registered Mercedes-Benz CLSs in 2023–2024 (on average 15 years old at test, median 118,467 miles), 66.0% passed first time, 8.4 points lower than the Mercedes-Benz CLS overall. Allowing for age, mileage and fuel, 2008 Mercedes-Benz CLSs failed 21% less often than comparable cars.
2,912 MOT tests on 1,550 vehicles, 2023–2024 · Source: DVSA (Open Government Licence) · Analysis: 73 Auto
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| Figure | Value | Basis |
|---|---|---|
| First-time pass rate | 66.0% | ±1.7 pts (95%), n = 2,912 |
| All Mercedes-Benz CLSs | 74.4% | n = 48,848 |
| Failures vs similar cars | 0.79× | same age, mileage and fuel = 1.00 |
| Tests with a dangerous defect | 13.6% | n = 2,912 |
| Average age at test | 15 years | n = 2,912 |
Where 2008 Mercedes-Benz CLSs fail
| Area | Tests failed on it | vs similar cars |
|---|---|---|
| Suspension | 13.1% | -28% |
| Tyres | 10.8% | +37% |
| Lights, reflectors and electrical | 10.5% | -46% |
| Brakes | 9.7% | -22% |
| Noise, emissions and leaks | 4.3% | -20% |
| Driver's view of the road | 4.1% | -38% |
| Steering | 3.5% | -12% |
| Road wheels | 1.6% | +152% |
| Body, chassis and structure | 1.6% | -79% |
| Seat belts and airbags | 0.7% | -68% |
| Registration plates and VIN | 0.2% | -57% |
Most common failure items
| Item | Area | Share of tests |
|---|---|---|
| Ball joint: ball joint excessively worn | Suspension | 5.91% |
| Condition: has ply or cords exposed | Tyres | 4.29% |
| Tread depth: tread depth below requirements of 1.6mm | Tyres | 4.05% |
| Rigid brake pipes: excessively corroded | Brakes | 3.74% |
| Track rod end: ball joint has excessive play | Steering | 2.68% |
Check a specific 2008 Mercedes-Benz CLS
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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.