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MOT reliability

Mercedes-benz C 320

4,529 vehicles · 72,363 completed MOT tests analysed
75%
MOT pass rate

Based on 4,529 Mercedes-benz C 320 vehicles and 72,363 completed MOT tests, the Mercedes-benz C 320 has an overall 75% pass rate, with an average recorded mileage of 126,438 miles.

4,529
Vehicles
72,363
MOT tests
7,609
Avg miles / year
1.8
Faults per test
1%
Dangerous-fault share

Mercedes-benz C 320 problem areas

Where faults occur most across all Mercedes-benz C 320 MOT tests:

  • Other77%
  • Tyres, wheels & suspension17%
  • Brakes12%
  • Lamps & electrical4%
  • Emissions & nuisance4%
  • Visibility2%
  • Body & structure1%
  • Steering1%

Mercedes-benz C 320 pass rate by age

How the Mercedes-benz C 320's MOT pass rate changes as it ages (buckets with 20+ tests).

Age (years)TestsPass rate
13100%
23995%
32,72886%
43,56585%
54,88084%
65,29181%
75,52278%
85,56375%
95,55074%
105,41273%
115,16672%
124,77172%
134,47670%
144,02871%
153,62871%
163,17871%
172,54771%
181,90372%
191,36471%
201,03070%

Fuel types: Petrol (2,984), Diesel (1,538), LPG (7)

Most common Mercedes-benz C 320 MOT faults

These are the faults and advisories recorded most often across Mercedes-benz C 320 MOT tests:

  1. Nearside Rear Tyre worn close to the legal limit (4.1.E.1) (3,431 times)
  2. Offside Rear Tyre worn close to the legal limit (4.1.E.1) (3,290 times)
  3. Under-trays fitted obscuring some underside components (2,436 times)
  4. Nearside Front Tyre worn close to the legal limit (4.1.E.1) (1,801 times)
  5. Engine covers fitted obscuring some components in the engine bay (1,798 times)
  6. Offside Front Tyre worn close to the legal limit (4.1.E.1) (1,658 times)
  7. Oil leak, but not excessive (8.4.1 (a) (i)) (1,513 times)
  8. Front Brake pad(s) wearing thin (3.5.1g) (1,309 times)
  9. Nearside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1) (1,211 times)
  10. Rear Brake pad(s) wearing thin (3.5.1g) (1,164 times)
  11. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (1,039 times)
  12. Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d) (1,035 times)
  13. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (1,010 times)
  14. Offside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1) (974 times)
  15. Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i) (916 times)

Mercedes-benz C 320 pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2011 1 4 100% 65,559
2010 20 314 82% 129,626
2009 213 3,341 78% 128,699
2008 432 6,944 78% 134,042
2007 277 4,440 78% 134,390
2006 393 6,622 75% 144,497
2005 262 4,599 75% 141,451
2004 291 5,338 74% 118,542
2003 446 8,276 74% 122,653
2002 555 9,149 75% 118,932
2001 1,205 17,597 74% 122,238
2000 426 5,661 73% 116,483
1999 7 67 72% 145,122
1998 1 11 73% 155,067

Mercedes-benz C 320 reliability FAQ

Across 4,529 Mercedes-benz C 320 vehicles in our MOT data, 75% pass the MOT (a 25% failure rate), with about 1.8 faults or advisories recorded per test.

The most frequently recorded Mercedes-benz C 320 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); Under-trays fitted obscuring some underside components.

The typical Mercedes-benz C 320 in our data has covered around 126,438 miles.

Compare the Mercedes-benz C 320

See how the Mercedes-benz C 320 stacks up against other Mercedes-benz models on MOT reliability:

C 320 vs C C 320 vs E C 320 vs Sprinter C 320 vs A-class

Check a specific Mercedes-benz C 320

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