MERCEDES C 300 AMG LINE ED PREMIUM DE A (2020)
Running costs, common problems, and reliability data based on 384 real MOT tests in 2024.
MOT Pass Rate
84%
Total Tests (2024)
384
Avg Mileage
54,913 mi
Est. Annual Cost
£1,922
Is the 2020 MERCEDES C 300 AMG LINE ED PREMIUM DE A reliable?
Good reliability. Occasional issues but generally solid. That's close to the national average of 82%.
At 4 years old, 84% of MERCEDES C 300 AMG LINE ED PREMIUM DE As from 2020 passed their MOT first time in 2024. That's based on 384 tests across the UK. The average mileage at this age is 54,913 miles.
How does the 2020 MERCEDES C 300 AMG LINE ED PREMIUM DE A compare?
Mileage Analysis
The average 2020 MERCEDES C 300 AMG LINE ED PREMIUM DE A has 54,913 miles on the clock, which is well above the expected 29,600 miles for a 4-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.
How much does a 2020 MERCEDES C 300 AMG LINE ED PREMIUM DE A cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
MERCEDES C 300 AMG LINE ED PREMIUM DE A by Year
Checking a specific MERCEDES C 300 AMG LINE ED PREMIUM DE A?
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About the 2020 MERCEDES C 300 AMG LINE ED PREMIUM DE A
The 2020 MERCEDES C 300 AMG LINE ED PREMIUM DE A is a family car with a 1950cc petrol engine. 384 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. It sits in the bottom 93% of 2020 cars for MOT pass rates.
With an average of 54,913 miles at 4 years old, MERCEDES C 300 AMG LINE ED PREMIUM DE A owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.
2020 MERCEDES C 300 AMG LINE ED PREMIUM DE A Fuel Costs
The 1950cc petrol engine offers a reasonable balance between performance and economy. Expect around 36 mpg in mixed driving, which works out to roughly £1,327 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2020 MERCEDES C 300 AMG LINE ED PREMIUM DE A?
Total estimated annual running cost is £1,922 (£160/month), broken down as £1327 fuel, £190 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 84% pass rate. Keeping on top of servicing will help avoid surprises.
MERCEDES C 300 AMG LINE ED PREMIUM DE A Reliability Trend
Older MERCEDES C 300 AMG LINE ED PREMIUM DE As tend to have better MOT pass rates than newer ones, with an average decline of 4 percentage points across model years.
Buying a Used 2020 MERCEDES C 300 AMG LINE ED PREMIUM DE A
At 4 years old, the MERCEDES C 300 AMG LINE ED PREMIUM DE A offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost.
Alternatives to the 2020 MERCEDES C 300 AMG LINE ED PREMIUM DE A
If reliability is your priority, there are 4 similar cars with a higher MOT pass rate. Here are comparable petrol cars with similar engines:
- LAND ROVER DISCOVERY SPORT R-DYN SE D A (2020) 90% pass rate (+6%) from 5,505 tests
- BMW 520D M SPORT MHEV AUTO (2021) 89% pass rate (+5%) from 3,423 tests
- BMW 320D M SPORT MHEV AUTO (2021) 91% pass rate (+7%) from 3,336 tests
- VOLVO XC90 R-DESIGN B5 MHEV AWD AUTO (2021) 90% pass rate (+6%) from 2,911 tests