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MOT reliability

Mercedes-benz Cla 45

7 vehicles · 23 completed MOT tests analysed
91%
MOT pass rate

Based on 7 Mercedes-benz Cla 45 vehicles and 23 completed MOT tests, the Mercedes-benz Cla 45 has an overall 91% pass rate, with an average recorded mileage of 63,853 miles.

7
Vehicles
23
MOT tests
9,375
Avg miles / year
0.9
Faults per test
10%
Dangerous-fault share

Mercedes-benz Cla 45 problem areas

Where faults occur most across all Mercedes-benz Cla 45 MOT tests:

  • Tyres, wheels & suspension40%
  • Other20%
  • Brakes20%
  • Emissions & nuisance15%
  • Identification & plates5%

Mercedes-benz Cla 45 pass rate by age

Age (years)TestsPass rate
21100%
32100%
42100%
52100%
62100%
7367%
82100%
9367%
103100%
113100%

Fuel types: Petrol (7)

Most common Mercedes-benz Cla 45 MOT faults

These are the faults and advisories recorded most often across Mercedes-benz Cla 45 MOT tests:

  1. Engine covers fitted, unable to fully inspect. (2 times)
  2. Under trays fitted, unable to fully inspect. (2 times)
  3. Nearside Front Outer Tyre slightly damaged (5.2.3 (d) (ii)) (1 times)
  4. Registration plate does not conform to the specified requirements (0.1 (d)) (1 times)
  5. Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) (1 times)
  6. Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturer's specified limits (8.2.1.2 (a)) (1 times)
  7. Exhaust carbon monoxide content at idle exceeds manufacturer's specified limits (8.2.1.2 (b)) (1 times)
  8. Front Brake disc worn, but not excessively (1.1.14 (a) (i)) (1 times)
  9. Front Brake pad(s) wearing thin (1.1.13 (a) (ii)) (1 times)
  10. Front Brake pad(s) worn down to wear indicator (1.1.13 (a) (i)) (1 times)
  11. Nearside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) (1 times)
  12. Nearside Rear Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i)) (1 times)
  13. Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii)) (1 times)
  14. Rear Brake disc worn, but not excessively (1.1.14 (a) (i)) (1 times)
  15. Nearside Front Tyre has ply or cords exposed (5.2.3 (d) (ii)) (1 times)

Mercedes-benz Cla 45 pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2020 1 4 100% 58,616
2019 1 1 100% 28,635
2015 2 4 100% 94,861
2014 3 14 86% 56,667

Mercedes-benz Cla 45 reliability FAQ

Across 7 Mercedes-benz Cla 45 vehicles in our MOT data, 91% pass the MOT (a 9% failure rate), with about 0.9 faults or advisories recorded per test.

The most frequently recorded Mercedes-benz Cla 45 MOT issues are: Engine covers fitted, unable to fully inspect.; Under trays fitted, unable to fully inspect.; Nearside Front Outer Tyre slightly damaged (5.2.3 (d) (ii)).

The typical Mercedes-benz Cla 45 in our data has covered around 63,853 miles.

Compare the Mercedes-benz Cla 45

See how the Mercedes-benz Cla 45 stacks up against other Mercedes-benz models on MOT reliability:

Cla 45 vs C Cla 45 vs E Cla 45 vs Sprinter Cla 45 vs A-class

Check a specific Mercedes-benz Cla 45

Enter a registration to see that exact vehicle's full MOT history, advisories and recurring faults.

See all Mercedes-benz models · Learn about common MOT failures · what an MOT checks