Mercedes-Benz CLS reliability

MOT tests in 2025, published 22 Jun 2026. DVSA publishes a new year each summer.

74.5% of the 22,096 Mercedes-Benz CLS cars three years and over tested in 2025 passed their MOT first time. Cars of the same ages passed 67.6% of the time, so the CLS did better than average.

That ranks it 29 of 248 models overall and 5 of 16 Mercedes-Benz models. How the score works.

Against cars of the same age

Each year's pass rate against all cars first used that year. Bars past the tick did better than average for their age.

Mercedes-Benz CLS first-time pass rate by year first used
Mercedes-Benz CLS pass rate by year
ItemMercedes-Benz CLSAll cars that year
201982.7%83.5%
201882.3%80.9%
201779.9%78.2%
201679.6%74.9%
201578.6%71.9%
201474.6%68.6%
201372.1%65.8%
201273.8%63.5%
201173.9%61.2%
201065.9%59.3%
200966.4%58.3%
200868.7%57.2%
200767.6%57.4%
200670.4%57.0%
200571.3%57.6%

Source: DVSA, tests in 2025, published 22 June 2026.

Where it fails

The share of Mercedes-Benz CLS cars tested with a failure in each area, against all cars. For the exact items, see the Mercedes-Benz CLS MOT check.

Mercedes-Benz CLS failures by area
Mercedes-Benz CLS failure areas
ItemMercedes-Benz CLSAll cars
Tyres9.4%6.2%
Suspension8.8%9.0%
Brakes6.1%6.2%
Lamps, reflectors and electrical equipment5.0%10.6%
Noise, emissions and leaks3.0%3.1%
Visibility2.0%4.3%

Source: DVSA, tests in 2025, published 22 June 2026.

Checking one car?

These figures describe groups of cars. A vehicle history report shows the full MOT history, mileage, outstanding finance, write-offs and stolen records for one registration.

Figures from the DVSA anonymised MOT testing data for MOT tests in 2025, published by the Driver and Vehicle Standards Agency. Analysis by Motoring Insider. Contains public sector information licensed under the Open Government Licence v3.0. How we work out these figures.