MOT pass rates / Smart (MCC)
Smart (MCC) MOT pass rates and common failures
Smart (MCC) cars passed 72.1% of their MOTs first time in 2024, across 65,326 class-4 initial tests and 5 model groups. That is above the 71.2% UK average, and ranks Smart (MCC) 31st of 59 makes in the dataset.
Pass rates track age more strongly than badge: an older Smart (MCC) is compared here against older cars of every other make, so read the age table below before drawing conclusions about the brand.
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What Smart (MCC) cars fail on
The items most often behind a first-test failure across Smart (MCC) model groups, as a share of Smart (MCC) tests. DVSA publishes each model group's six most common categories, so this ranks the biggest published causes rather than every possible one.
- Exhaust Emissions — 4.8% of Smart (MCC) tests. The car exceeded its emissions limits. Can be a sensor or a service, but on a diesel it can also mean an expensive filter or catalyst.
- Suspension Arms — 2.7% of Smart (MCC) tests. Worn arms or bushes. A common age-related repair that affects handling and tyre wear.
- Condition — 2.3% of Smart (MCC) tests. Corrosion, damage or wear on a tested component. Worth seeing in person, as the cost ranges from trivial to structural.
- Headlamp Aim — 2.3% of Smart (MCC) tests. Headlights pointing too high or low. Cheap to adjust, and common on every make.
- Stop Lamp — 2.1% of Smart (MCC) tests. A brake light out. Usually a bulb.
- Wipers — 2% of Smart (MCC) tests. Worn wiper blades. Minutes to fix, and a fair hint that servicing was skipped.
- Tread Depth — 1.9% of Smart (MCC) tests. Tyres below the 1.6mm legal limit. Budget for tyres, and treat it as a sign of how the car was maintained.
- Headlamps — 1.8% of Smart (MCC) tests. A headlight fault, from a blown bulb to a failed unit.
Smart (MCC) MOT pass rate by age
| Age at test | Tests | Initial pass rate |
|---|---|---|
| 3–5 years | 3,700 | 84.5% |
| 6–9 years | 33,563 | 76.7% |
| 10–14 years | 12,471 | 70.7% |
| 15–30 years | 15,459 | 60.4% |
Smart (MCC) models by MOT pass rate
| Model | Tests | Initial pass rate |
|---|---|---|
| Forfour | 21,718 | 73.5% |
| Fortwo | 20,913 | 80% |
| Fortwo Coupe | 15,342 | 64.3% |
| City Coupe | 3,851 | 58.8% |
| Fortwo Cabriolet | 3,502 | 65.7% |
Methodology and limitations
MOT outcomes describe testable items at the time of inspection. They are not a measure of overall mechanical reliability.
Scope: Class 4 normal initial MOT tests completed in 2024. Models require at least 1,000 qualifying tests. Duplicate source rows are removed using official DVSA test IDs.
Source: Driver and Vehicle Standards Agency anonymised MOT tests and results, 2024, published 2025-05-23 under the Open Government Licence v3.0.
Check the actual car
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