Smart (Mcc) common problems and MOT failures
From 123,358 MOT tests in 2024, 17.2% of Smart (Mcc) vehicles failed. Below are the most common reasons, ranked by how often they occur.
Top Smart (Mcc) MOT failure reasons
| # | Problem | Occurrences |
|---|---|---|
| 1 | suspension pin, bush or joint worn | 3,180 |
| 2 | tyre tread depth outside legal limits | 2,652 |
| 3 | the aim of a headlamp is not within limits the requirements | 2,432 |
| 4 | spring or spring component fractured or seriously weakened | 2,207 |
| 5 | tyre seriously damaged | 2,185 |
| 6 | wiper blade missing or obviously not clearing the windscreen | 1,824 |
| 7 | lambda coefficient outside the default limits or the range specified by the manufacturer | 1,609 |
| 8 | stop lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning | 1,479 |
| 9 | windscreen washers not working or not providing sufficient fluid to clear the windscreen | 1,394 |
| 10 | significant brake effort recorded with no brake applied indicating a binding brake | 1,160 |
What this means if you're buying a Smart (Mcc)
The single most common MOT failure for Smart (Mcc) is suspension pin, bush or joint worn, accounting for 16% of all failure items. Suspension repairs typically cost £150–£400 depending on the component.
These figures are from real MOT inspections — they show what testers actually find wrong with Smart (Mcc) vehicles. If you're viewing a used Smart (Mcc), it's worth checking these areas specifically.
Smart (Mcc) models by MOT pass rate
Lowest pass rates first — these models have the most testable issues.
| Model | Tests | Pass rate |
|---|---|---|
| Fortwo Coupe | 29,007 | 78.9% |
| Forfour | 37,752 | 83.2% |
| Fortwo | 38,282 | 88.1% |
Buying a specific Smart (Mcc)? Check the individual vehicle's MOT history for free on GOV.UK to see its actual test results, advisories, and mileage readings.
Check MOT history on GOV.UK