Mercedes-Benz Slk vs Mercedes-Benz Ml: MOT reliability compared
Updated 05 September 2026.
20.0%
Mercedes-Benz Slk MOT failure rate, 5.4 pts lower than Mercedes-Benz Ml
Mercedes-Benz Slk is the more reliable MOT performer: 20.0% of Mercedes-Benz Slk MOTs fail versus 25.4% for Mercedes-Benz Ml, a 5.4 point gap.
| Metric | Mercedes-Benz Slk | Mercedes-Benz Ml |
|---|---|---|
| MOT failure rate | 20.0% | 25.4% |
| Tests analysed | 1,343,757 | 1,172,241 |
| Most common failure | Suspension (28.8%) | Suspension (35.5%) |
Questions and answers
Which is more reliable, Mercedes-Benz Slk or Mercedes-Benz Ml?
Mercedes-Benz Slk is the more reliable MOT performer: 20.0% of Mercedes-Benz Slk MOTs fail versus 25.4% for Mercedes-Benz Ml, a 5.4 point gap.
What is the MOT failure rate of the Mercedes-Benz Slk?
20.0% of Mercedes-Benz Slk MOT tests result in a failure, from 1,343,757 tests.
What is the MOT failure rate of the Mercedes-Benz Ml?
25.4% of Mercedes-Benz Ml MOT tests result in a failure, from 1,172,241 tests.