Mercedes Benz C (2014)
2014 Mercedes Benz C
CarHunch analysed 29,117 real MOT records for the 2014 Mercedes Benz C. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.
The 2014 Mercedes-Benz C passes its MOT first time at 85.8%, comfortably ahead of the UK average of 80%, which is a positive sign for reliability. However, 38.9% of these cars have recorded a dangerous defect at some point, which is substantially higher than typical and worth taking seriously when evaluating a used example. Petrol versions perform slightly better at 88.2% pass rate versus 85.3% for diesels, though both are solid.
At 66,400 miles median mileage, these ten-year-old cars show typical wear for their age, yet they're averaging 1.55 failures and 9.8 advisories per test, suggesting age-related maintenance is creeping in across suspension, brakes, and emissions systems. Before buying, get a full pre-purchase inspection focused on the dangerous defect history—check the MOT records yourself on the DVLA website to see what's been flagged on that specific chassis number.
Petrol vs Diesel
Pass rate difference of 3 percentage points — worth knowing if you're choosing between the two.
What to check before buying a 2014 Mercedes Benz C
Practical pre-purchase checks for this age and model.
- 📋 Check the full MOT history. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. Enter the reg below for a full AI analysis.
- 🔍 Inspect for corrosion in person. Brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that's expensive to fix and can fail an MOT.
- 🛞 Check tyres and brakes. The most common advisory items at this age. Budget for replacement if they're near the limit — factor this into your offer price.
- ⚠️ 38.9% of these vehicles have had a dangerous defect recorded. Enter the reg below — the full MOT history will show exactly what was flagged and whether it was resolved.
- 📄 Run an HPI check. The MOT history won't show outstanding finance, insurance write-offs, or stolen status — an HPI check will.
Before you buy a Mercedes Benz C
MOT history is one piece of the puzzle. These checks can reveal what CarHunch can't.
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Pass Rate by Fuel Type
| Fuel type | Vehicles | Pass rate | Avg failures |
|---|---|---|---|
| Diesel (82%) | 23,907 | 85.3% | 1.62 |
| Petrol (18%) | 5,199 | 88.3% | 1.28 |
| Electric Diesel (0%) | 6 | 84.8% | 1.5 |
| Hybrid Electric (Clean) (0%) | 4 | 82.7% | 2 |
| Other (0%) | 1 | 100% | 0 |
Mileage Distribution
Most 2014 Mercedes Benz C vehicles sit in the blue band. If the car you're looking at is outside it, it's either unusually low or high mileage for its age.
Half of all 2014 Mercedes Benz C vehicles fall between 51,113 and 85,119 miles.
2014 Mercedes Benz C — Still on the Road
Strong survival — 24,138 vehicles still getting MOTs in 2025, 89% of the peak.
Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2017–2025.
MOT History Averages
Most Common MOT Issues — 2014 Mercedes Benz C
Based on actual MOT test records for this model. Percentage shows how often each item appears across all vehicles in this cohort.
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50.8%
Offside Rear Tyre worn close to legal limit/worn on edge
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50.4%
Nearside Rear Tyre worn close to legal limit/worn on edge
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37.3%
Nearside Front Tyre worn close to legal limit/worn on edge
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34.7%
Offside Front Tyre worn close to legal limit/worn on edge
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28.5%
Rear Brake pad(s) wearing thin
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18%
Front Brake pad(s) wearing thin
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17.5%
Front Brake disc worn, pitted or scored, but not seriously weakened
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14.8%
Rear Brake disc worn, pitted or scored, but not seriously weakened
Data covers a 3-year window centred on 2014. Counts include advisories and failures.
Found a specific Mercedes Benz C?
Enter the reg to see its individual MOT history, AI Hunches, and how it compares to this cohort.