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MOT reliability

Mercedes-benz C

675,043 vehicles · 8,018,650 completed MOT tests analysed
78%
MOT pass rate

Based on 675,043 Mercedes-benz C vehicles and 8,018,650 completed MOT tests, the Mercedes-benz C has an overall 78% pass rate, with an average recorded mileage of 112,156 miles.

675,043
Vehicles
8,018,650
MOT tests
8,134
Avg miles / year
1.7
Faults per test
3%
Dangerous-fault share

Mercedes-benz C problem areas

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

  • Other62%
  • Tyres, wheels & suspension25%
  • Brakes15%
  • Lamps & electrical4%
  • Emissions & nuisance3%
  • Visibility2%
  • Seatbelts & equipment1%
  • Body & structure1%

Mercedes-benz C pass rate by age

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

Age (years)TestsPass rate
11,38192%
220,06990%
3599,71887%
4610,67586%
5631,12984%
6647,56982%
7655,42780%
8650,59178%
9627,25777%
10591,88675%
11550,72073%
12499,27472%
13436,87671%
14364,67971%
15294,42270%
16233,94570%
17180,17170%
18133,34470%
1994,35970%
2064,91570%

Fuel types: Diesel (348,593), Petrol (307,034), Hybrid Electric (Clean) (15,163), Electric Diesel (3,857), LPG (355), Electric (18), Other (12), Gas Bi-Fuel (8)

Most common Mercedes-benz C MOT faults

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

  1. Nearside Rear Tyre worn close to the legal limit (4.1.E.1) (279,197 times)
  2. Offside Rear Tyre worn close to the legal limit (4.1.E.1) (273,431 times)
  3. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (211,918 times)
  4. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (211,910 times)
  5. Under-trays fitted obscuring some underside components (170,197 times)
  6. Nearside Front Tyre worn close to the legal limit (4.1.E.1) (164,874 times)
  7. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (154,076 times)
  8. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (146,630 times)
  9. Offside Front Tyre worn close to the legal limit (4.1.E.1) (145,231 times)
  10. Rear Brake pad(s) wearing thin (1.1.13 (a) (ii)) (112,035 times)
  11. Engine covers fitted obscuring some components in the engine bay (111,887 times)
  12. Rear Brake pad(s) wearing thin (3.5.1g) (104,236 times)
  13. Offside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c)) (103,935 times)
  14. Front Brake pad(s) wearing thin (3.5.1g) (96,865 times)
  15. Nearside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1) (96,057 times)

Mercedes-benz C pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2026 1 1 100% 87,973
2025 1 1 100% 1,969
2023 7 8 100% 22,877
2022 15 31 90% 36,502
2021 1,688 5,422 89% 41,138
2020 7,492 29,632 89% 45,333
2019 24,696 125,903 89% 53,067
2018 29,729 184,176 88% 62,785
2017 43,654 317,761 87% 71,411
2016 40,939 331,822 86% 83,915
2015 39,333 361,403 85% 94,797
2014 29,719 305,171 84% 98,893
2013 29,471 336,405 82% 105,801
2012 34,262 426,876 81% 111,986
2011 27,798 365,792 81% 119,199
2010 21,788 300,697 79% 119,662
2009 20,848 312,615 78% 124,482
2008 23,819 368,566 78% 126,151
2007 23,043 387,199 76% 126,959
2006 22,631 402,103 75% 130,858
2005 27,070 479,624 73% 134,933
2004 27,778 492,361 72% 133,384
2003 32,845 551,943 72% 131,481
2002 30,528 472,663 73% 131,747
2001 22,466 316,833 72% 130,012
2000 13,356 167,583 74% 130,286
1999 16,347 191,090 74% 139,967
1998 21,368 233,890 73% 139,093
1997 18,183 185,972 73% 140,374
1996 16,123 142,512 72% 136,889
1995 14,122 115,161 71% 135,814
1994 10,847 83,765 72% 139,027
1993 1,621 11,427 72% 140,290
1992 127 1,229 71% 143,466
1991 126 1,124 74% 149,519
1990 132 1,161 70% 152,318
1989 112 962 70% 143,595
1988 77 519 68% 138,776
1987 29 182 66% 157,828
1986 15 94 70% 158,326
1985 140 1,447 70% 140,174
1984 161 1,865 71% 145,457
1983 159 1,374 68% 144,186
1982 96 677 70% 131,388
1981 68 441 67% 122,772
1980 39 193 67% 120,412
1979 31 167 71% 129,643
1978 35 205 67% 107,145
1977 13 41 68% 120,066
1976 5 21 62% 33,918
1975 7 60 72% 85,008
1974 8 71 72% 163,892
1973 18 89 69% 54,622
1972 18 105 71% 58,831
1971 22 125 73% 101,735
1970 1 1 100% 28,309
1968 2 4 100% 77,986
1967 2 39 79% 48,902
1966 4 48 79% 89,905
1965 3 14 79% 84,732
1964 2 16 69% 67,010

Mercedes-benz C reliability FAQ

Across 675,043 Mercedes-benz C vehicles in our MOT data, 78% pass the MOT (a 22% failure rate), with about 1.7 faults or advisories recorded per test.

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

The typical Mercedes-benz C in our data has covered around 112,156 miles.

Compare the Mercedes-benz C

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

C vs E C vs Sprinter C vs A-class C vs Vito

Check a specific Mercedes-benz C

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