MERCEDES AMG C 43 EDITION PREM + 4M A (2021)
Running costs, common problems, and reliability data based on 448 real MOT tests in 2024.
MOT Pass Rate
94%
Total Tests (2024)
448
Avg Mileage
25,428 mi
Est. Annual Cost
£2,037
Is the 2021 MERCEDES AMG C 43 EDITION PREM + 4M A reliable?
Excellent reliability. Very few MOT failures. That's 12 points above the national average of 82%. It also outperforms the MERCEDES brand average of 87%.
At 3 years old, 94% of MERCEDES AMG C 43 EDITION PREM + 4M As from 2021 passed their MOT first time in 2024. That's based on 448 tests across the UK. The average mileage at this age is 25,428 miles.
How does the 2021 MERCEDES AMG C 43 EDITION PREM + 4M A compare?
Mileage Analysis
The average 2021 MERCEDES AMG C 43 EDITION PREM + 4M A has 25,428 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 AMG C 43 EDITION PREM + 4M 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 AMG C 43 EDITION PREM + 4M A by Year
Checking a specific MERCEDES AMG C 43 EDITION PREM + 4M A?
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About the 2021 MERCEDES AMG C 43 EDITION PREM + 4M A
The 2021 MERCEDES AMG C 43 EDITION PREM + 4M A is a large car with a 2996cc petrol engine. 448 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. Among all cars from 2021, the average MOT pass rate is 92%, and this model beats that benchmark.
With an average of 25,428 miles at 3 years old, MERCEDES AMG C 43 EDITION PREM + 4M A owners drive about as much as the UK average.
2021 MERCEDES AMG C 43 EDITION PREM + 4M A Fuel Costs
The 2996cc petrol engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 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 AMG C 43 EDITION PREM + 4M A?
Total estimated annual running cost is £2,037 (£170/month), broken down as £1592 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 94% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
MERCEDES AMG C 43 EDITION PREM + 4M A Reliability Trend
Newer MERCEDES AMG C 43 EDITION PREM + 4M As show better MOT pass rates than older ones, with an average improvement of 12 percentage points.
Buying a Used 2021 MERCEDES AMG C 43 EDITION PREM + 4M 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 AMG C 43 EDITION PREM + 4M A
The MERCEDES AMG C 43 EDITION PREM + 4M A is actually the most reliable option among similar petrol large cars from this era. Here are comparable petrol cars with similar engines:
- BMW 5 SERIES (2019) 92% pass rate (-2%) from 33,766 tests
- BMW X3 (2019) 92% pass rate (-2%) from 32,937 tests
- MERCEDES GLC (2019) 93% pass rate (-1%) from 30,341 tests
- BMW X5 (2019) 92% pass rate (-2%) from 23,506 tests