MERCEDES C 300 AMG LNE NGT ED PREM DE A (2021)
Running costs, common problems, and reliability data based on 130 real MOT tests in 2024.
MOT Pass Rate
92%
Total Tests (2024)
130
Avg Mileage
33,302 mi
Est. Annual Cost
£1,772
Is the 2021 MERCEDES C 300 AMG LNE NGT ED PREM DE A reliable?
Excellent reliability. Very few MOT failures. That's 10 points above the national average of 82%. It also outperforms the MERCEDES brand average of 87%.
At 3 years old, 92% of MERCEDES C 300 AMG LNE NGT ED PREM DE As from 2021 passed their MOT first time in 2024. That's based on 130 tests across the UK. The average mileage at this age is 33,302 miles.
How does the 2021 MERCEDES C 300 AMG LNE NGT ED PREM DE A compare?
Mileage Analysis
The average 2021 MERCEDES C 300 AMG LNE NGT ED PREM DE A has 33,302 miles on the clock, which is well above the expected 22,200 miles for a 3-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.
How much does a 2021 MERCEDES C 300 AMG LNE NGT ED PREM 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.
Checking a specific MERCEDES C 300 AMG LNE NGT ED PREM DE A?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 MERCEDES C 300 AMG LNE NGT ED PREM DE A
The 2021 MERCEDES C 300 AMG LNE NGT ED PREM DE A is a family car with a 1950cc petrol engine. 130 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. Among all cars from 2021, the average MOT pass rate is 92%, and this model falls short of that benchmark.
With an average of 33,302 miles at 3 years old, MERCEDES C 300 AMG LNE NGT ED PREM 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.
2021 MERCEDES C 300 AMG LNE NGT ED PREM 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 2021 MERCEDES C 300 AMG LNE NGT ED PREM DE A?
Total estimated annual running cost is £1,772 (£148/month), broken down as £1327 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 92% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Buying a Used 2021 MERCEDES C 300 AMG LNE NGT ED PREM DE 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 PREM DE A
The MERCEDES C 300 AMG LNE NGT ED PREM DE A is actually the most reliable option among similar petrol family cars from this era. Here are comparable petrol cars with similar engines:
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