Mercedes-Benz A-Class MOT Failure Rate — 3-5 Years Old
Mercedes-Benz A-Class shows good reliability at this age, with a 12.4% failure rate — below the national average.
Component Risk Breakdown (3-5 Years)
Which parts of a 3-5-year-old Mercedes-Benz A-Class are most likely to cause an MOT failure:
How Does This Compare?
Mercedes-Benz A-Class MOT failure rate across all age groups:
| Age | Failure Rate | Tests | Worst Area |
|---|---|---|---|
| 0-2 years | 9.9% | 135,059 | Tyres |
| 3-5 years | 12.4% | 558,870 | Tyres |
| 6-10 years | 21.5% | 532,267 | Tyres |
| 11-15 years | 34.7% | 149,326 | Lamps & Electrics |
| 15+ years | 43.3% | 71,815 | Lamps & Electrics |
Check Your Specific Mercedes-Benz A-Class
Enter your reg to see if your Mercedes-Benz A-Class is at risk.
Frequently Asked Questions
Is a 3-5 year old Mercedes-Benz A-Class reliable?
Yes. Based on 558,870 MOT tests, 3-5-year-old Mercedes-Benz A-Class vehicles have a 12.4% failure rate, which is below the UK average of 28%. This is a reliable choice at this age.
What are the common MOT failures on a 3-5 year old Mercedes-Benz A-Class?
The most common MOT failure areas at this age are:
- Tyres — 2.8% failure risk
- Brakes — 1.1% failure risk
- Lamps & Electrics — 1.0% failure risk
How can I prepare my Mercedes-Benz A-Class for its MOT?
For a 3-5-year-old Mercedes-Benz A-Class, focus on: (1) Tyres — the most common failure area at this age. (2) Check all lights and bulbs. (3) Inspect tyres for tread depth and damage. (4) Consider a pre-MOT check at a local garage (£20–£40). You can also use our free prediction tool for a personalised risk breakdown.
Other Mercedes-Benz A-Class Age Groups
← Back to Mercedes-Benz A-Class overview
Data methodology: Failure rates are weighted averages across all mileage bands for the 3-5-year age group, calculated from official DVSA MOT test records. Only combinations with 100+ tests are included. Data covers 142 million MOT tests across the UK.
Check Your Mercedes-Benz A-Class
Enter your registration to get a personalised MOT failure prediction based on your exact vehicle.
Check Your MOT Risk Free