Common problems by part
SEAT Leon seat belts and airbags problems
DVSA MOT tests 2022–2025 · 74,889 MOT tests · Updated
At 6 years, 0.2 in 100 MOT tests of the SEAT Leon failed on seat belts and airbags, against 0.4 for all class 4 vehicles the same age (all test years; 74,889 MOT tests) [1].
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- Against all class 4 vehicles the same age: about average for all class 4 vehicles the same age (all test years), 149 MOT tests with a fail
- By age: seen at 20 ages from 3 to 22 years, 739,732 MOT tests
- MOT tests at 6 years: 74,889 for the SEAT Leon
Figures are for the model as a whole, not for one car.
What the MOT tests show
What we know
0.2 fails per 100 MOT tests at 6 years, against 0.4 for all class 4 vehicles tested at 6 (all test years). That is about average.
Why it matters
A seat belts and airbags fail stops the car passing until it is fixed.
What to check
Pull every seat belt out fully and let it retract, check each buckle latches and releases, and make sure the airbag light goes out after start-up.
SEAT Leon seat belts and airbags fails by age
| Age | MOT tests | Fails per 100 | All class 4 vehicles the same age |
|---|---|---|---|
| 3 | 49,082 | 0.5 | 0.3 |
| 4 | 66,486 | 0.3 | 0.3 |
| 5 | 72,889 | 0.2 | 0.3 |
| 6 | 74,889 | 0.2 | 0.4 |
| 7 | 72,860 | 0.2 | 0.4 |
| 8 | 70,670 | 0.3 | 0.5 |
| 9 | 64,013 | 0.4 | 0.6 |
| 10 | 56,823 | 0.6 | 0.7 |
| 11 | 46,491 | 0.7 | 0.9 |
| 12 | 33,751 | 1.0 | 1.0 |
| 13 | 27,075 | 1.1 | 1.2 |
| 14 | 23,214 | 1.4 | 1.5 |
| 15 | 21,664 | 2.0 | 1.7 |
| 16 | 18,485 | 2.9 | 2.1 |
| 17 | 14,030 | 3.5 | 2.5 |
| 18 | 10,142 | 3.7 | 2.7 |
| 19* | 7,134 | 3.8 | 2.9 |
| 20* | 4,930 | 3.7 | 3.1 |
| 21* | 3,275 | 3.0 | 3.1 |
| 22* | 1,829 | 3.0 | 3.1 |
All first-use years of the SEAT Leon pooled at each age, against all class 4 vehicles at that age over all 2022–2025 test years. * Only survivors are still tested at this age.
What fails in the seat belts and airbags at 6 years
Advisories (not fails)
- Seat belt condition: webbing slightly damaged or frayed: 0.2 advisories per 100 MOT tests, all class 4 vehicles 0.1. Seat belt webbing slightly damaged or frayed MOT advisory
Buying an SEAT Leon? Check that exact car before the viewing.
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- Model risks for this year and fuel
- What similar cars did at their next MOT
- Repairs ahead
- Viewing checklist
By engine and fuel
- 2.0 diesel: 0.2 per 100 at 6 years, about average for diesel class 4 vehicles the same age (all test years; 10,466 MOT tests)
- 1.6 diesel: 0.3 per 100 at 6 years, about average for diesel class 4 vehicles the same age (all test years; 9,759 MOT tests)
- 1.4 petrol: 0.2 per 100 at 6 years, about average for petrol class 4 vehicles the same age (all test years; 20,415 MOT tests)
- 1.5 petrol: 0.2 per 100 at 6 years, about average for petrol class 4 vehicles the same age (all test years; 12,695 MOT tests)
- 1.2 petrol: 0.3 per 100 at 6 years, about average for petrol class 4 vehicles the same age (all test years; 8,565 MOT tests)
- 2.0 petrol: 0.1 per 100 at 6 years, about average for petrol class 4 vehicles the same age (all test years; 8,499 MOT tests)
How to check on a test drive
Pull every seat belt out fully and let it retract, check each buckle latches and releases, and make sure the airbag light goes out after start-up.
The most common advisory here in MOT records: Seat belt condition: webbing slightly damaged or frayed.
Check one SEAT Leon, not the average
The figures here describe SEAT Leon cars as a group. These free tools answer for one car. Each line says what the tool reads.
- Check an SEAT Leon's MOT history Every MOT test, fail item, advisory and mileage reading DVSA holds for that registration.
- MOT advisory checker Paste an advisory or defect to read DVSA's wording, its grade and what tends to happen at the next MOT.
Other SEAT Leon problems
Seat belts and airbags on rival models
- Audi A3 seat belts and airbags problems: 0.3 per 100 MOT tests at 6 years, against 0.2 for the SEAT Leon (122,661 MOT tests)
- BMW 2 Series seat belts and airbags problems: 0.2 per 100 MOT tests at 6 years, against 0.2 for the SEAT Leon (79,099 MOT tests)
- Mercedes-Benz CLA seat belts and airbags problems: 0.7 per 100 MOT tests at 6 years, against 0.2 for the SEAT Leon (33,041 MOT tests)
Questions people ask
Does the SEAT Leon have more seat belts and airbags problems than other cars?
0.2 in 100 MOT tests at 6 years, against 0.4 for all class 4 vehicles the same age: about average by our test (all test years; 74,889 MOT tests).
How common are SEAT Leon seat belts and airbags problems?
0.2 in 100 MOT tests at 6 years failed on seat belts and airbags, against 0.4 for all class 4 vehicles the same age (all test years; 74,889 MOT tests).
Sources
- Driver and Vehicle Standards Agency, Anonymised MOT tests and results, 2022 to 2025. DVSA MOT data, Open Government Licence v3.0, 739,732 MOT tests. Accessed 7 Oct 2026.
Parts: against all class 4 vehicles at the same age, all 2022–2025 test years pooled, not adjusted for mileage. Breakdowns and non-MOT faults are not in this data. How we compare