Smart Mcc reliability and common MOT problems by model
Smart Mcc shows a 17.8% combined MOT failure rate across 91,370 tests in Motintel data. Fortwo has one of the lower high-confidence rates at 11.8%. Fortwo Coupe deserves extra checking at 22.5%.
Data sources: DVSA MOT records, official recall records, and MOT fault wording snapshots (2026-04-27, 2026-04-29, rfr_codes_2025-05-12, failure items 2023). Search-indexed model pages must clear 20,000 MOT tests and 10,000 vehicles.
Smart Mcc combined failure rate: 17.8% — all-model average is 18.7%. Ranked #26 of 48 makes by failure rate (1 = lowest).
Fortwo (11.8%), Forfour (16.0%), Fortwo Coupe (22.5%)
Fortwo Coupe (22.5%), Forfour (16.0%), Fortwo (11.8%)
Most reliable Smart Mcc models in MOT data
| # | Model | MOT failure rate | Tests | Vehicles |
|---|---|---|---|---|
| 1 | Smart Mcc Fortwo | 11.8% | 25,719 tests | 22,019 vehicles |
| 2 | Smart Mcc Forfour | 16.0% | 27,191 tests | 22,073 vehicles |
| 3 | Smart Mcc Fortwo Coupe | 22.5% | 24,388 tests | 18,619 vehicles |
Smart Mcc models with the highest MOT failure rates
| # | Model | MOT failure rate | Tests | Vehicles |
|---|---|---|---|---|
| 1 | Smart Mcc Fortwo Coupe | 22.5% | 24,388 tests | 18,619 vehicles |
| 2 | Smart Mcc Forfour | 16.0% | 27,191 tests | 22,073 vehicles |
| 3 | Smart Mcc Fortwo | 11.8% | 25,719 tests | 22,019 vehicles |
Common Smart Mcc MOT problem areas
| # | Problem area | MOT notes | Models affected | What to check | High-rate examples |
|---|---|---|---|---|---|
| 1 | Corrosion and structure | 9,792 MOT notes | 3 models | Inspect sills, subframes, suspension mounts, brake pipes, and previous welding or rust repairs. | Smart Mcc Fortwo Coupe, Smart Mcc Forfour, Smart Mcc Fortwo |
| 2 | Suspension and steering | 6,464 MOT notes | 3 models | Listen for knocks, check uneven tyre wear, and ask whether worn joints or bushes have been replaced. | Smart Mcc Fortwo Coupe, Smart Mcc Forfour, Smart Mcc Fortwo |
| 3 | Windscreen, wipers, and mirrors | 6,084 MOT notes | 3 models | Check the windscreen, wipers, washers, mirrors, chips, cracks, and whether the driver's view is clear. | Smart Mcc Forfour, Smart Mcc Fortwo Coupe, Smart Mcc Fortwo |
| 4 | Lights and electrical | 4,818 MOT notes | 3 models | Test every exterior light, warning lamp, horn, washer, and basic electrical function before buying. | Smart Mcc Fortwo Coupe, Smart Mcc Forfour, Smart Mcc Fortwo |
| 5 | Emissions, engine, and exhaust | 4,769 MOT notes | 3 models | Check cold starts, exhaust smoke, warning lights, service history, and recent emissions repairs. | Smart Mcc Fortwo Coupe, Smart Mcc Forfour, Smart Mcc Fortwo |
| 6 | Tyres and wheels | 1,317 MOT notes | 3 models | Look for matching tyres, legal tread, sidewall damage, wheel damage, and uneven wear. | Smart Mcc Fortwo Coupe, Smart Mcc Fortwo, Smart Mcc Forfour |
All Smart Mcc model reports
| Model | MOT tests | Vehicles | Failure rate |
|---|---|---|---|
| Forfour | 27,191 | 22,073 | 16.0% |
| Fortwo | 25,719 | 22,019 | 11.8% |
| Fortwo Coupe | 24,388 | 18,619 | 22.5% |
| City Coupe limited data | 6,482 | 4,734 | 26.8% |
| Fortwo Cabriolet limited data | 5,408 | 4,134 | 22.1% |
| Cabriolet limited data | 1,108 | 842 | 23.4% |
| Roadster limited data | 1,074 | 862 | 19.2% |
Models with limited data (fewer than 20,000 tests or 10,000 vehicles) have full reports but are not indexed in search engines until the evidence threshold is met.