Mercedes-Benz SL MOT Failure Rate — 3-5 Years Old
This model is exceptionally reliable for its age. Only 7.5% of Mercedes-Benz SL vehicles in this age bracket fail their MOT.
Component Risk Breakdown (3-5 Years)
Which parts of a 3-5-year-old Mercedes-Benz SL are most likely to cause an MOT failure:
How Does This Compare?
Mercedes-Benz SL MOT failure rate across all age groups:
| Age | Failure Rate | Tests | Worst Area |
|---|---|---|---|
| 0-2 years | 7.9% | 895 | Tyres |
| 3-5 years | 7.5% | 6,794 | Tyres |
| 6-10 years | 11.1% | 20,716 | Tyres |
| 11-15 years | 16.7% | 14,083 | Suspension |
| 15+ years | 18.6% | 67,127 | Lamps & Electrics |
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Frequently Asked Questions
Is a 3-5 year old Mercedes-Benz SL reliable?
Yes. Based on 6,794 MOT tests, 3-5-year-old Mercedes-Benz SL vehicles have a 7.5% 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 SL?
The most common MOT failure areas at this age are:
- Tyres — 2.2% failure risk
- Lamps & Electrics — 1.0% failure risk
- Visibility — 0.4% failure risk
How can I prepare my Mercedes-Benz SL for its MOT?
For a 3-5-year-old Mercedes-Benz SL, 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 SL Age Groups
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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.
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