Mercedes-Benz CLA MOT pass rate and common faults

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

76,205 Mercedes-Benz CLA cars had an MOT in 2025 and 80.8% passed first time. That is in line with what cars of the same ages scored (81.0%).

Find the year your car was first registered below, then check the faults it is most likely to fail on.

Pass rate by year

Each year's first-time pass rate, with a tick for all cars first used that year. Years with fewer than 300 tests, and cars over 20 years old, are left out. Years with 1,000 or more tests link to a page of their own, with that year's common faults.

Mercedes-Benz CLA first-time pass rate by year first used
Mercedes-Benz CLA pass rate by year
ItemMercedes-Benz CLAAll cars that year
202287.2%88.5%
202186.0%87.2%
202084.4%86.0%
201983.4%83.5%
201880.0%80.9%
201776.8%78.2%
201675.6%74.9%
201573.5%71.9%
201471.8%68.6%
201369.9%65.8%

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

Common failures

The share of all 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 Mercedes-Benz CLA MOT failure items
Mercedes-Benz CLA common failures
ItemValue
Condition: has a cut in excess of the requirements deep enough to reach the ply or cords2.4%
Tread depth: tread depth below requirements of 1.6mm2.3%
Condition: has ply or cords exposed2.2%
Coil spring: fractured or broken2.0%
Malfunction indicator lamp: inoperative or indicates a malfunction1.7%
Brake pads: less than 1.5 mm thick1.6%
Washers: provides insufficient washer liquid1.2%
Linkage ball joint dust cover: ball joint dust cover no longer prevents the ingress of dirt1.0%

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

Common advisories

Advisories are 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 Mercedes-Benz CLA advisories
Mercedes-Benz CLA common advisories
ItemValue
Tread depth: worn close to legal limit/worn on edge19.0%
Brake pads: wearing thin8.0%
Condition: slightly damaged/cracking or perishing7.5%
Brake discs: worn, pitted or scored, but not seriously weakened7.1%
Brake discs: worn, but not excessively3.8%
Condition: has a cut but not deep enough to reach the ply or cords2.7%
Child Seat fitted not allowing full inspection of adult belt2.0%
Nail in tyre2.0%

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

Typical mileage

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

Mercedes-Benz CLA recorded mileage by age
Mercedes-Benz CLA mileage by age
AgeLowTypicalHighAll cars, typical
3-5 years23,80034,200 miles47,60030,900
6-8 years43,40057,500 miles74,20051,800
9-11 years66,70084,400 miles104,60073,500
12-14 years78,10097,400 miles117,80091,400

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

Reliability and recalls

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.