2020 Mercedes-Benz CLA MOT pass rate and common faults

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

7,957 Mercedes-Benz CLA cars first used in 2020 had an MOT in 2025, at about 5 years old, and 84.4% passed first time. That is below the 86.0% for all cars first used in 2020.

The year is when the car was first used, as on its V5C log book, not the model year.

Common failures

The share of 2020 Mercedes-Benz CLA cars tested that failed on, or had fixed at the station, each item. Worth checking before the MOT or before you buy.

Most common 2020 Mercedes-Benz CLA MOT failure items
2020 Mercedes-Benz CLA common failures
ItemValue
Condition: has a cut in excess of the requirements deep enough to reach the ply or cords2.6%
Tread depth: tread depth below requirements of 1.6mm2.3%
Condition: has ply or cords exposed2.2%
Brake pads: less than 1.5 mm thick1.9%
Headlamp aim: too low1.0%
Washers: provides insufficient washer liquid0.8%

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

Common advisories

Things the tester noticed that were not bad enough to fail. They often turn into failures later. What advisories mean for the next MOT.

Most common 2020 Mercedes-Benz CLA advisories
2020 Mercedes-Benz CLA common advisories
ItemValue
Tread depth: worn close to legal limit/worn on edge18.0%
Condition: slightly damaged/cracking or perishing9.8%
Brake pads: wearing thin8.4%
Brake discs: worn, pitted or scored, but not seriously weakened4.3%
Brake discs: worn, but not excessively3.5%
Condition: has a cut but not deep enough to reach the ply or cords2.4%

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

Where the faults are

The share of cars tested with at least one failure or fix in each part of the car.

2020 Mercedes-Benz CLA faults by area
2020 Mercedes-Benz CLA faults by area
ItemValue
Tyres7.8%
Brakes3.0%
Lamps, reflectors and electrical equipment2.6%
Visibility2.1%
Suspension1.4%
Noise, emissions and leaks0.6%

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

Typical mileage

Recorded mileage at the MOT. A car well above this range has done more work than most; one far below is worth a closer look at its MOT history.

2020 Mercedes-Benz CLA recorded mileage
2020 Mercedes-Benz CLA mileage
CarsLowTypicalHigh
7,95531,10042,100 miles55,300

The middle half of cars fall between the low and high figures. Source: DVSA, tests in 2025, published 22 June 2026.

Other Mercedes-Benz CLA years

Mercedes-Benz CLA first-time pass rate by year first used
YearTestsPassed first timeAll cars that year
202211,79287.2%88.5%
202110,09086.0%87.2%
20207,95784.4%86.0%
20198,33183.4%83.5%
20188,38980.0%80.9%
20178,24276.8%78.2%
20167,58975.6%74.9%
20156,73673.5%71.9%
20144,26571.8%68.6%
20132,07569.9%65.8%

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.