Smart (mcc) Common MOT Problems (2026)
Every Smart (mcc) model ranked by MOT fail rate, with the most common issues identified for each. Based on 136,001 real MOT tests.
Average Smart (mcc) MOT pass rate: 78%
Check Your Smart (mcc)'s MOT History
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 across all tested years
| # | Model | Fail Rate | Common Issues | |
|---|---|---|---|---|
| 1 | Smart (mcc) City Cabriolet | 27% | Suspension wear, Structural corrosion, Exhaust deterioration | |
| 2 | Smart (mcc) Fortwo Coupe | 23% | Suspension wear, Structural corrosion, Exhaust deterioration | |
| 3 | Smart (mcc) City Coupe | 23% | Suspension wear, Structural corrosion, Exhaust deterioration | |
| 4 | Smart (mcc) Fortwo Cabriolet | 22% | Suspension wear, Structural corrosion, Exhaust deterioration | |
| 5 | Smart (mcc) Cabriolet | 22% | Suspension wear, Structural corrosion, Exhaust deterioration |
Most Reliable Smart (mcc) Models
Lowest average fail rates; the Smart (mcc) models least likely to have MOT problems
| # | Model | Pass Rate | |
|---|---|---|---|
| 1 | Smart (mcc) Fortwo | 86% | |
| 2 | Smart (mcc) Roadster | 82% | |
| 3 | Smart (mcc) Forfour | 78% | |
| 4 | Smart (mcc) Fortwo Cabriolet | 77% | |
| 5 | Smart (mcc) Cabriolet | 77% |
All Smart (mcc) Models by Fail Rate
Every Smart (mcc) model and year combination, sorted by fail rate (highest first)
Showing top 50 of 77 model/year combinations. View all Smart (mcc) models
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 component deterioration, and tyre condition issues. Older Smart (mcc) diesels are more prone to exhaust and emissions failures. The City Cabriolet has the highest average fail rate at 27%.
Which Smart (mcc) model is the most reliable?
The most reliable Smart (mcc) model in our data is the Fortwo with an average MOT pass rate of 86%. View all Smart (mcc) models for full reliability data.
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. This means about 22% of Smart (mcc) cars fail their MOT on the first attempt.
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.