Smart (MCC) Common MOT Problems (2026)
Smart (MCC) models ranked by MOT fail rate, with typical issues to check for cars of each age and type. Based on 136,001 MOT tests (DVSA data for tests carried out in 2024, retests included).
Average Smart (MCC) MOT pass rate: 78%
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See the specific issues found on your car, plus health score and running cost estimates.
78%
Avg pass rate
22%
Avg fail rate
8
Models tested
Smart (MCC) Models with the Most MOT Problems
Highest average fail rates (models with 1,000+ tests, cars registered up to 2021)
| # | Model | Fail Rate | Typical Issues (estimate) | |
|---|---|---|---|---|
| 1 | Smart (MCC) City Cabriolet | 27% | Suspension wear, Structural corrosion, Exhaust deterioration | |
| 2 | Smart (MCC) City Coupe | 25% | Suspension wear, Structural corrosion, Exhaust deterioration | |
| 3 | Smart (MCC) Cabriolet | 24% | Suspension wear, Structural corrosion, Exhaust deterioration | |
| 4 | Smart (MCC) Fortwo Coupe | 21% | Suspension wear, Structural corrosion, Exhaust deterioration | |
| 5 | Smart (MCC) Fortwo Cabriolet | 20% | Suspension wear, Structural corrosion, Exhaust deterioration |
Most Reliable Smart (MCC) Models
Lowest average fail rates (models with 1,000+ tests, cars registered up to 2021). Newer models tend to pass more often simply because they are younger.
| # | Model | Pass Rate | |
|---|---|---|---|
| 1 | Smart (MCC) Fortwo | 87% | |
| 2 | Smart (MCC) Forfour | 83% | |
| 3 | Smart (MCC) Roadster | 80% | |
| 4 | Smart (MCC) Fortwo Cabriolet | 79% | |
| 5 | Smart (MCC) Fortwo Coupe | 78% |
All Smart (MCC) Models by Fail Rate
Every Smart (MCC) model and year with 300+ MOT tests (cars registered up to 2021), sorted by fail rate (highest first). Fuel type is shown as a guide.
| Model | Year | Pass Rate | Fail Rate | |
|---|---|---|---|---|
| Forfour | 2004 | 67% | 32% | |
| Fortwo Coupe | 2005 | 69% | 30% | |
| Cabriolet | 2003 | 71% | 29% | |
| City Coupe | 2001 | 71% | 28% | |
| City Coupe | 2006 | 72% | 27% | |
| Forfour | 2006 | 72% | 27% | |
| Fortwo Cabriolet | 2006 | 72% | 27% | |
| City Coupe | 2003 | 72% | 26% | |
| Fortwo Coupe | 2006 | 73% | 26% | |
| City Coupe | 2002 | 73% | 26% | |
| Fortwo Coupe | 2007 | 75% | 25% | |
| Forfour | 2005 | 74% | 25% | |
| Fortwo Coupe | 2004 | 73% | 25% | |
| Fortwo Cabriolet | 2005 | 74% | 25% | |
| City Coupe | 2007 | 75% | 24% | |
| City Coupe | 2005 | 74% | 24% | |
| City Coupe | 2004 | 76% | 23% | |
| Fortwo Coupe | 2008 | 77% | 22% | |
| Fortwo Cabriolet | 2008 | 77% | 22% | |
| Fortwo Coupe | 2009 | 78% | 21% | |
| Fortwo Coupe | 2010 | 78% | 21% | |
| Roadster | 2004 | 76% | 21% | |
| Forfour | 2015 | 79% | 20% | |
| Fortwo Cabriolet | 2009 | 79% | 20% | |
| Fortwo Cabriolet | 2010 | 80% | 19% | |
| Fortwo Cabriolet | 2007 | 80% | 19% | |
| Forfour | 2016 | 82% | 18% | |
| Fortwo Coupe | 2011 | 81% | 18% | |
| Fortwo | 2013 | 81% | 18% | |
| Roadster | 2005 | 81% | 18% | |
| Fortwo Coupe | 2012 | 82% | 17% | |
| Fortwo Cabriolet | 2011 | 82% | 17% | |
| Fortwo Cabriolet | 2012 | 83% | 16% | |
| Forfour | 2017 | 85% | 15% | |
| Fortwo | 2016 | 86% | 14% | |
| Fortwo | 2015 | 85% | 14% | |
| Fortwo | 2014 | 87% | 13% | |
| Forfour | 2018 | 88% | 12% | |
| Forfour | 2019 | 88% | 12% | |
| Fortwo | 2017 | 88% | 11% | |
| Fortwo | 2018 | 90% | 9% | |
| Fortwo | 2019 | 93% | 7% |
Smart (MCC) MOT FAQ
What are the most common MOT problems on Smart (MCC) cars?
The most common MOT problems on Smart (MCC) cars vary by model and age, but typically include lighting defects, suspension wear, brake wear and tyre condition, which are the most common reasons for failure across all makes in DVSA's published MOT statistics. Older Smart (MCC) diesels are more prone to exhaust and emissions failures. Of the Smart (MCC) models with at least 1,000 tests, the Smart (MCC) City Cabriolet has the highest average fail rate at 27%.
Which Smart (MCC) model is the most reliable?
In our data, the Smart (MCC) Fortwo has the best MOT record of the Smart (MCC) models with at least 1,000 tests: 87% of its 41,356 MOT tests ended in a pass and 12% in a fail. Newer models tend to pass more often simply because they are younger, so compare models of a similar age.
What is the average MOT pass rate for Smart (MCC)?
The average MOT pass rate for Smart (MCC) is 78%, based on 136,001 MOT tests across 8 models (DVSA MOT data for tests in 2024, retests included). That means roughly 22% of MOT tests on Smart (MCC) cars ended in a fail.
Smart (MCC) Model Problem Guides
Typical issues to check, rough repair costs and year-by-year MOT pass rates for each Smart (MCC) model
Check a Specific Smart (MCC)
Enter any reg plate to see the individual MOT history, defects found, health score, and running cost estimate for that specific car.