MERCEDES C 300 AMG LNE NGT ED PRM + D A (2021)
Running costs, common problems, and reliability data based on 143 real MOT tests in 2024.
MOT Pass Rate
89%
Total Tests (2024)
143
Avg Mileage
24,452 mi
Est. Annual Cost
£1,632
Is the 2021 MERCEDES C 300 AMG LNE NGT ED PRM + D A reliable?
Good reliability. Occasional issues but generally solid. That's 7 points above the national average of 82%.
At 3 years old, 89% of MERCEDES C 300 AMG LNE NGT ED PRM + D As from 2021 passed their MOT first time in 2024. That's based on 143 tests across the UK. The average mileage at this age is 24,452 miles.
How does the 2021 MERCEDES C 300 AMG LNE NGT ED PRM + D A compare?
Mileage Analysis
The average 2021 MERCEDES C 300 AMG LNE NGT ED PRM + D A has 24,452 miles on the clock, which is in line with the expected 22,200 miles for a 3-year-old car, suggesting normal everyday use.
How much does a 2021 MERCEDES C 300 AMG LNE NGT ED PRM + D 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.
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About the 2021 MERCEDES C 300 AMG LNE NGT ED PRM + D A
The 2021 MERCEDES C 300 AMG LNE NGT ED PRM + D A is a family car with a 1950cc diesel engine. 143 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It sits in the bottom 81% of 2021 cars for MOT pass rates.
With an average of 24,452 miles at 3 years old, MERCEDES C 300 AMG LNE NGT ED PRM + D A owners drive about as much as the UK average.
2021 MERCEDES C 300 AMG LNE NGT ED PRM + D A Fuel Costs
The 1950cc diesel engine offers a reasonable balance between performance and economy. Expect around 48 mpg in mixed driving, which works out to roughly £1,037 per year at current diesel prices of 148p per litre (based on 7,400 miles per year).
What does it cost to own a 2021 MERCEDES C 300 AMG LNE NGT ED PRM + D A?
Total estimated annual running cost is £1,632 (£136/month), broken down as £1037 fuel, £190 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 89% pass rate. Keeping on top of servicing will help avoid surprises.
Buying a Used 2021 MERCEDES C 300 AMG LNE NGT ED PRM + D A
At 3 years old, this is still relatively fresh. You may find examples with remaining manufacturer warranty. Depreciation is slowing but hasn't bottomed out yet.
Alternatives to the 2021 MERCEDES C 300 AMG LNE NGT ED PRM + D A
If reliability is your priority, there are 2 similar cars with a higher MOT pass rate. Here are comparable diesel cars with similar engines:
- FORD FOCUS (2019) 89% pass rate (same) from 93,803 tests
- MERCEDES A (2019) 91% pass rate (+2%) from 89,588 tests
- FORD KUGA (2019) 91% pass rate (+2%) from 72,831 tests
- VOLKSWAGEN POLO (2019) 89% pass rate (same) from 65,751 tests