Mercedes-Benz GLS MOT Failure Rate — 3-5 Years Old
Mercedes-Benz GLS shows good reliability at this age, with a 10.9% failure rate — below the national average.
Component Risk Breakdown (3-5 Years)
Which parts of a 3-5-year-old Mercedes-Benz GLS are most likely to cause an MOT failure:
How Does This Compare?
Mercedes-Benz GLS MOT failure rate across all age groups:
| Age | Failure Rate | Tests | Worst Area |
|---|---|---|---|
| 0-2 years | 10.8% | 1,391 | Tyres |
| 3-5 years | 10.9% | 6,985 | Tyres |
| 6-10 years | 11.6% | 2,811 | Tyres |
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Frequently Asked Questions
Is a 3-5 year old Mercedes-Benz GLS reliable?
Yes. Based on 6,985 MOT tests, 3-5-year-old Mercedes-Benz GLS vehicles have a 10.9% 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 GLS?
The most common MOT failure areas at this age are:
- Tyres — 3.3% failure risk
- Brakes — 0.8% failure risk
- Lamps & Electrics — 0.5% failure risk
How can I prepare my Mercedes-Benz GLS for its MOT?
For a 3-5-year-old Mercedes-Benz GLS, 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 GLS 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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