Mercedes-Benz CLA MOT reliability

Mercedes-Benz CLAs passed their MOT first time 81% of the time across 74,685 tests in 2025. 11,427 are still licensed in Great Britain.

First-time pass rate

81%

MOTs analysed

74,685

Still licensed (GB)

11,427

Body type

Hatchback

Pass rate by year of first registration

Older cars fail more often, so compare a car with others of the same age. Years with very few MOTs can show extreme pass rates, even 0% or 100%, so give more weight to years with more tests.

In detail:

First registered

2022 petrol

7,640 MOTs

Passed first time 88%. Typical mileage 24,877 (most between 17,888 and 33,248).

2022: 100% → 2023: 86% → 2024: 93% → 2025: 88%

Most common failures

Condition: has a cut in excess of the requirements deep enough to reach the ply or cords (2.7%)
Condition: has ply or cords exposed (1.8%)
Tread depth below requirements of 1.6mm (1.6%)
Brake pads: less than 1.5 mm thick (1.1%)
Wipers: does not clear the windscreen effectively (0.7%)

2022 hybrid

2,505 MOTs

Passed first time 85%. Typical mileage 40,164 (most between 27,880 and 54,031).

2024: 85% → 2025: 85%

Most common failures

Condition: has a cut in excess of the requirements deep enough to reach the ply or cords (4.5%)
Condition: has ply or cords exposed (2.2%)
Wipers: does not clear the windscreen effectively (1.7%)
Tread depth below requirements of 1.6mm (1.2%)
Linkage ball joints: ball joint excessively worn (1.1%)

2022 diesel

1,223 MOTs

Passed first time 88%. Typical mileage 29,112 (most between 21,247 and 39,433).

2023: 100% → 2024: 89% → 2025: 88%

Most common failures

Condition: has a cut in excess of the requirements deep enough to reach the ply or cords (3.3%)
Tread depth below requirements of 1.6mm (2.0%)
Condition: has ply or cords exposed (1.7%)
Brake pads: less than 1.5 mm thick (1.5%)
Wipers: does not clear the windscreen effectively (0.8%)

Where 2022 CLAs fail

Wheels & tyres

7.1%

Brakes

1.9%

Lights & electrics

1.6%

Visibility & wipers

1.6%

Suspension & axles

0.7%

Exhaust, emissions & leaks

0.3%

Seat belts & other equipment

0.3%

Body, structure & corrosion

0.1%

Looking at a particular car?

See its own MOT history, mileage and red flags, compared with these figures. Free.

Based on 2025 initial MOT tests in DVSA's anonymised MOT dataset (cars and light vans). Contains public sector information licensed under the Open Government Licence v3.0. Model details: Vehicle data by VehiclesDB.