Know Your MOT

Mercedes-Benz Vito vs Mercedes-Benz Slk: MOT reliability compared

Updated 05 September 2026.

20.0%
Mercedes-Benz Slk MOT failure rate, 8.6 pts lower than Mercedes-Benz Vito

Mercedes-Benz Slk is the more reliable MOT performer: 20.0% of Mercedes-Benz Slk MOTs fail versus 28.6% for Mercedes-Benz Vito, a 8.6 point gap.

MetricMercedes-Benz VitoMercedes-Benz Slk
MOT failure rate28.6%20.0%
Tests analysed2,067,8391,343,757
Most common failureBrakes (37.4%)Suspension (28.8%)

Questions and answers

Which is more reliable, Mercedes-Benz Vito or Mercedes-Benz Slk?

Mercedes-Benz Slk is the more reliable MOT performer: 20.0% of Mercedes-Benz Slk MOTs fail versus 28.6% for Mercedes-Benz Vito, a 8.6 point gap.

What is the MOT failure rate of the Mercedes-Benz Vito?

28.6% of Mercedes-Benz Vito MOT tests result in a failure, from 2,067,839 tests.

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.

Compared here

Mercedes-Benz Vito common MOT failures and failure rateMercedes-Benz Slk common MOT failures and failure rate