Mercedes Benz C 300 Amg Line Ngt Ed Prem + A (2020)
2020 Mercedes Benz C 300 Amg Line Ngt Ed Prem + A
CarHunch analysed 103 real MOT records for the 2020 Mercedes Benz C 300 Amg Line Ngt Ed Prem + A. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.
This C 300 AMG Line is more reliable than average, with an 88.1% first-time pass rate that beats the UK average of 80%, though nearly one in five vehicles has recorded a dangerous defect at some point—something to factor in if buying used. The median mileage of 23,323 miles is low for a 2020, suggesting most examples haven't been heavily driven, and with only 0.4 failures per vehicle on average, these cars aren't throwing up major problems yet.
The 1.8 advisories per vehicle indicate minor wear items cropping up, which is normal for four-year-old cars at this mileage. Have a pre-purchase inspection specifically check the braking system and suspension components—the dangerous defect rate suggests these areas warrant extra attention on this model.
What to check before buying a 2020 Mercedes Benz C 300 Amg Line Ngt Ed Prem + A
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.
- 📄 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 300 Amg Line Ngt Ed Prem + A
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Pass Rate by Fuel Type
| Fuel type | Vehicles | Pass rate | Avg failures |
|---|---|---|---|
| Hybrid Electric (Clean) (94%) | 97 | 88.6% | 0.41 |
| Petrol (6%) | 6 | 79.2% | 0.17 |
Mileage Distribution
Most 2020 Mercedes Benz C 300 Amg Line Ngt Ed Prem + A 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 2020 Mercedes Benz C 300 Amg Line Ngt Ed Prem + A vehicles fall between 15,689 and 30,252 miles.
2020 Mercedes Benz C 300 Amg Line Ngt Ed Prem + A — Still on the Road
Strong survival — 92 vehicles still getting MOTs in 2025, 97% of the peak.
Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2023–2025.
MOT History Averages
Found a specific Mercedes Benz C 300 Amg Line Ngt Ed Prem + A?
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