MERCEDES C 300 AMG LINE ED PREM + E A (2020)
Running costs, common problems, and reliability data based on 134 real MOT tests in 2024.
MOT Pass Rate
82%
Total Tests (2024)
134
Avg Mileage
42,651 mi
Est. Annual Cost
£1,922
Is the 2020 MERCEDES C 300 AMG LINE ED PREM + E A reliable?
Good reliability. Occasional issues but generally solid. That's close to the national average of 82%. It falls below the MERCEDES brand average of 87%.
At 4 years old, 82% of MERCEDES C 300 AMG LINE ED PREM + E As from 2020 passed their MOT first time in 2024. That's based on 134 tests across the UK. The average mileage at this age is 42,651 miles.
How does the 2020 MERCEDES C 300 AMG LINE ED PREM + E A compare?
Mileage Analysis
The average 2020 MERCEDES C 300 AMG LINE ED PREM + E A has 42,651 miles on the clock, which is above the expected 29,600 miles for a 4-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.
Best year to buy a MERCEDES C 300 AMG LINE ED PREM + E A?
The most reliable year is the 2021 model with a 84% MOT pass rate, while the 2020 model has the lowest at 82%. Consider a different year if reliability is a priority.
How much does a 2020 MERCEDES C 300 AMG LINE ED PREM + E 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 PREM + E A by Year
Checking a specific MERCEDES C 300 AMG LINE ED PREM + E A?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2020 MERCEDES C 300 AMG LINE ED PREM + E A
The 2020 MERCEDES C 300 AMG LINE ED PREM + E A is a family car with a 1991cc hybrid engine. 134 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It sits in the bottom 96% of 2020 cars for MOT pass rates.
With an average of 42,651 miles at 4 years old, MERCEDES C 300 AMG LINE ED PREM + E A owners cover more miles than the average driver.
2020 MERCEDES C 300 AMG LINE ED PREM + E A Fuel Costs
The 1991cc hybrid 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 hybrid prices of 142p per litre (based on 7,400 miles per year). As a hybrid, real-world fuel costs will vary significantly depending on how much electric-only driving you do.
What does it cost to own a 2020 MERCEDES C 300 AMG LINE ED PREM + E 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 82% pass rate. Keeping on top of servicing will help avoid surprises.
Buying a Used 2020 MERCEDES C 300 AMG LINE ED PREM + E A
At 4 years old, the MERCEDES C 300 AMG LINE ED PREM + E 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 PREM + E A
If reliability is your priority, there are 4 similar cars with a higher MOT pass rate. Here are comparable hybrid cars with similar engines:
- MERCEDES C (2018) 90% pass rate (+8%) from 62,138 tests
- TOYOTA YARIS (2019) 93% pass rate (+11%) from 41,554 tests
- MINI COOPER S (2019) 92% pass rate (+10%) from 33,682 tests
- LAND ROVER RANGE ROVER SPORT (2019) 94% pass rate (+12%) from 33,069 tests