Mercedes Benz X Class MOT failures and reliability
In 2023 the Mercedes Benz X Class took 3,603 MOT tests in Britain and passed 79% of them first time, above the national average of 71% for all cars. The figures below come from the DVSA's record of every test, so they show what testers actually found on these cars rather than what owners report.
- MOT tests in 2023
- 3,603
- First-time pass rate
- 79%
- All cars
- 71%
What the X Class fails on
Share of tests with at least one failure in each area, against the figure for all cars.
- Brakes6.6% (all cars 6.8%)
- Exhaust and emissions4.5% (all cars 3.1%)
- Lights and electrics4.5% (all cars 11.3%)
- Tyres4.4% (all cars 6.4%)
- Visibility3.9% (all cars 4.8%)
- Seat belts and airbags2.1% (all cars 1.0%)
- Body and structure1.4% (all cars 3.5%)
- Number plates and VIN0.9% (all cars 0.4%)
Most common failure items
Share of tests on which each item was recorded.
- Malfunction indicator lamp: inoperative or indicates a malfunction 4.3%
- Brake pads: less than 1.5 mm thick 2.8%
- Wipers: does not clear the windscreen effectively 2.8%
- Rbt (sp): efficiency below requirements 2.1%
- SRS malfunction indicator lamp: warning lamp indicates a fault 1.8%
- Tread depth: tread depth below requirements of 1.6mm 1.7%
- Parking brake performance: inoperative on one side 1.2%
- Tyre pressure monitoring system: malfunctioning or obviously inoperative 1.2%
Most common advisories
- Tread depth: worn close to legal limit/worn on edge 13.7%
- Brake pads: wearing thin 10.5%
- Brake discs: worn, pitted or scored, but not seriously weakened 5.1%
- Brake discs: worn, but not excessively 4.0%
- Engine oil leaks: leak, but not excessive 2.2%
- Non-component advisories: Nail in tyre 2.1%
- Anti-roll bars, pins and bushes: pin or bush worn but not resulting in excessive movement 1.4%
- Non-component advisories: Child Seat fitted not allowing full inspection of adult belt 1.2%
Pass rate by year of registration
Older cars fail more often whatever the model, so compare a car with others of the same age.
| First registered | Tests | Pass rate |
|---|---|---|
| 2018 | 1,285 | 77% |
| 2019 | 1,543 | 81% |
| 2020 | 620 | 81% |
Typical mileage by age
Average odometer reading at the MOT, by the car's age in years at the test.
| Age at test | Average mileage |
|---|---|
| 3 years | 37,965 miles |
| 4 years | 49,946 miles |
| 5 years | 59,425 miles |
| 6 years | 64,481 miles |
Check a particular X Class
Model figures tell you what to look out for. To see one car's own MOT history, mileage and tax, enter its registration.
Other Mercedes Benz models
- Mercedes Benz C Class
- Mercedes Benz A Class
- Mercedes Benz E Class
- Mercedes Benz Vito
- Mercedes Benz GLA
- Mercedes Benz GLC
- Mercedes Benz B Class
- Mercedes Benz SLK
- Mercedes Benz CLA
- Mercedes Benz ML
- Mercedes Benz CLK
- Mercedes Benz S Class
- Mercedes Benz GLE
- Mercedes Benz CLS
- Mercedes Benz Sprinter
- Mercedes Benz SL
- Mercedes Benz Citan
- Mercedes Benz V Class
- Mercedes Benz CLC
- Mercedes Benz SLC
- Mercedes Benz Viano
- Mercedes Benz GL
- Mercedes Benz CL
- Mercedes Benz 190
- Mercedes Benz 300
- Mercedes Benz GLS
- Mercedes Benz R Class
- Mercedes Benz A 200
- Mercedes Benz G Class
- Mercedes Benz C 320
- Mercedes Benz GT
- Mercedes Benz 500
- Mercedes Benz 280
Source: Department for Transport, Anonymised MOT tests and results, 2023, cars and light vans, normal tests only. Pass rates are first-time passes; a pass after repair at the test station counts as a fail. Contains public sector information licensed under the Open Government Licence v3.0.