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MOT reliability

Mercedes-benz Cls

34,736 vehicles · 418,025 completed MOT tests analysed
80%
MOT pass rate

Based on 34,736 Mercedes-benz Cls vehicles and 418,025 completed MOT tests, the Mercedes-benz Cls has an overall 80% pass rate, with an average recorded mileage of 105,857 miles.

34,736
Vehicles
418,025
MOT tests
8,377
Avg miles / year
1.6
Faults per test
4%
Dangerous-fault share

Mercedes-benz Cls problem areas

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

  • Other45%
  • Tyres, wheels & suspension31%
  • Brakes21%
  • Lamps & electrical4%
  • Emissions & nuisance3%
  • Visibility2%
  • Body & structure2%
  • Steering1%

Mercedes-benz Cls pass rate by age

How the Mercedes-benz Cls's MOT pass rate changes as it ages (buckets with 20+ tests).

Age (years)TestsPass rate
14894%
21,08489%
339,22786%
438,51785%
537,96683%
638,15682%
737,06181%
835,61080%
933,99478%
1031,08478%
1126,98777%
1223,18376%
1318,63075%
1415,12674%
1512,57574%
1610,05274%
177,84175%
185,49175%
193,35475%
201,59076%

Fuel types: Diesel (29,451), Petrol (5,132), Hybrid Electric (Clean) (145), LPG (4), Electric (3), Fuel Cells (1)

Most common Mercedes-benz Cls MOT faults

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

  1. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (12,718 times)
  2. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (12,696 times)
  3. Nearside Rear Tyre worn close to the legal limit (4.1.E.1) (11,351 times)
  4. Offside Rear Tyre worn close to the legal limit (4.1.E.1) (11,330 times)
  5. Offside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c)) (9,506 times)
  6. Under-trays fitted obscuring some underside components (9,391 times)
  7. Oil leak, but not excessive (8.4.1 (a) (i)) (8,587 times)
  8. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (8,257 times)
  9. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (7,596 times)
  10. Engine covers fitted obscuring some components in the engine bay (7,429 times)
  11. Rear Brake pad(s) wearing thin (1.1.13 (a) (ii)) (7,370 times)
  12. Nearside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c)) (7,048 times)
  13. Offside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c)) (7,026 times)
  14. Nearside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c)) (7,002 times)
  15. Front Brake pad(s) wearing thin (1.1.13 (a) (ii)) (6,585 times)

Mercedes-benz Cls pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2022 1 2 100% 11,665
2021 51 167 83% 35,897
2020 285 1,172 82% 46,453
2019 1,128 5,901 86% 54,866
2018 1,055 6,268 86% 60,650
2017 1,649 11,931 85% 70,568
2016 2,310 18,669 85% 80,738
2015 3,287 29,879 84% 90,488
2014 2,075 21,485 82% 96,399
2013 3,819 42,286 81% 104,116
2012 1,481 17,404 81% 104,785
2011 1,710 20,888 83% 109,262
2010 1,498 22,282 78% 120,951
2009 1,740 26,767 77% 127,045
2008 2,431 38,239 77% 131,394
2007 3,616 57,181 77% 131,399
2006 3,888 58,478 77% 125,847
2005 2,680 38,620 78% 109,228
2004 17 156 76% 103,459
2003 2 32 88% 99,411
2002 2 51 69% 168,158
2001 3 49 67% 117,899
2000 3 67 72% 155,961
1998 3 32 69% 160,948
1972 1 17 65% 125,591

Mercedes-benz Cls reliability FAQ

Across 34,736 Mercedes-benz Cls vehicles in our MOT data, 80% pass the MOT (a 20% failure rate), with about 1.6 faults or advisories recorded per test.

The most frequently recorded Mercedes-benz Cls MOT issues are: Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)); Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)); Nearside Rear Tyre worn close to the legal limit (4.1.E.1).

The typical Mercedes-benz Cls in our data has covered around 105,857 miles.

Compare the Mercedes-benz Cls

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

Cls vs C Cls vs E Cls vs Sprinter Cls vs A-class

Check a specific Mercedes-benz Cls

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