Mercedes C 200 AMG Line Ed Prem D A (2021)
Estimated running costs and MOT pass rates from 46 MOT tests in 2024.
Annual Cost
£1,674
£140/month
MOT Pass Rate
96%
Excellent
Road Tax
£200
Standard rate/year
Est. Insurance
Grp 12-25
1597cc Diesel
Great Choice
96% pass rate, £1,674/year to run. 14 points above average.
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Annual Running Costs
~55 mpg
Standard rate (from April 2017)
Low estimate due to excellent reliability
Estimates based on 7,400 miles/year (UK average), diesel at 199.33p a litre (GOV.UK weekly average, week of 19 October 2026), GOV.UK road tax rates and repair likelihood from MOT data. Insurance not included. Cars registered from April 2017 pay the £200 standard rate, plus £440 a year for five years (from the second year) if they cost over £40,000 new (over £50,000 for electric cars).
Reliability Verdict
Excellent reliability. Very few MOT failures. That's 14 points above the average of 82% across all models in our data. It also outperforms the Mercedes brand average of 87%.
96% of MOT tests on Mercedes C 200 AMG Line Ed Prem D As from 2021 ended in a pass in 2024, when they were about 3 years old. That's based on 46 tests across the UK, retests included. The average mileage recorded at those tests was 25,520 miles.
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How Does It Compare?
Mileage Analysis
25,520
Average miles
22,200
Expected for age
The average 2021 Mercedes C 200 AMG Line Ed Prem D A had 25,520 miles on the clock at its 2024 MOT, which is in line with the expected 22,200 miles for a 3-year-old car, suggesting normal everyday use.
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Best Year to Buy?
Of the years with at least 100 tests, the 2019 model has the highest MOT pass rate at 95%, while the 2020 model has the lowest at 90%. The 2021 scores 96%. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
Mercedes C 200 AMG Line Ed Prem D A by Year
Similar Cars to Consider
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About the 2021 Mercedes C 200 AMG Line Ed Prem D A
The 2021 Mercedes C 200 AMG Line Ed Prem D A is a premium car. Our records list a 1597cc diesel engine, though engines vary between versions. 46 MOT tests were recorded on this model in 2024, making it a rare model on UK roads. It ranks in the top 21% of all 2021 models for MOT pass rate.
With an average of 25,520 miles recorded at its 2024 MOT tests, Mercedes C 200 AMG Line Ed Prem D A owners drive about as much as the UK average.
2021 Mercedes C 200 AMG Line Ed Prem D A Fuel Costs
The 1597cc diesel engine offers a reasonable balance between performance and economy. Expect around 55 mpg in mixed driving, which works out to roughly £1,219 per year with diesel at 199.33p per litre (GOV.UK weekly average, week of 19 October 2026; based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.
What does it cost to own a 2021 Mercedes C 200 AMG Line Ed Prem D A?
Total estimated annual running cost is £1,674 (£140/month), broken down as £1,219 fuel, £200 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 96% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Buying a Used 2021 Mercedes C 200 AMG Line Ed Prem D A
At 5 years old, the Mercedes C 200 AMG Line Ed Prem D A offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. If you're flexible on year, the 2019 model has the highest pass rate at 95%. Note: with only 46 tests in our data, these figures should be treated as indicative rather than definitive.
Common Issues to Watch For
These are typical issues for cars of this age, fuel type and engine size, not faults recorded on this model's MOT tests. Use them as a checklist when you view one.
DPF (Diesel Particulate Filter)
Watch outShort journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.
Turbo Wear
Medium riskDiesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.
AdBlue System
Medium riskPost-2015 diesels use AdBlue for emissions. Sensor failures and tank heater issues are common. Budget £200-£500 for repairs.
EGR Valve
Low riskExhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.
Service History
Low riskAlways request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.
Running Costs Compared
How the 2021 Mercedes C 200 AMG Line Ed Prem D A stacks up against similar cars for estimated annual running costs, insurance group, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Est. Ins. Group | Total/yr |
|---|---|---|---|---|---|
| Mercedes C 200 AMG Line Ed Prem D A(2021) | 96% | £1,219 | £200 | Grp 12-25 | £1,674 |
| Ford Focus(2019) | 89% | £1,219 | £200 | Grp 12-25 | £1,824+£150 |
| Mercedes A(2019) | 91% | £1,219 | £200 | Grp 12-25 | £1,674same |
| Ford Kuga(2019) | 91% | £1,397 | £200 | Grp 18-32 | £1,852+£178 |
| Volkswagen Polo(2019) | 89% | £1,219 | £200 | Grp 12-25 | £1,824+£150 |
Estimates based on 7,400 miles/year, GOV.UK average pump prices for the week of 19 October 2026, GOV.UK road tax rates and MOT data. Insurance groups are our rough estimate from engine size, not official groups. Actual costs vary by driver, location, and usage.
Questions about the 2021 Mercedes C 200 AMG Line Ed Prem D A
Is the 2021 Mercedes C 200 AMG Line Ed Prem D A reliable?
Excellent reliability. Very few MOT failures. 96% of MOT tests on 2021 Mercedes C 200 AMG Line Ed Prem D As ended in a pass, from 46 tests (DVSA MOT data for tests in 2024, retests included). That's 14 points above the average of 82% across all models in the same data.
How much does a 2021 Mercedes C 200 AMG Line Ed Prem D A cost to run?
Our estimate is £1,674 a year (£140 a month): £1,219 fuel, £200 road tax, £55 MOT and £200 predicted repairs, based on 7,400 miles a year. Insurance is not included.
What is the MOT pass rate for a 2021 Mercedes C 200 AMG Line Ed Prem D A?
96% of 46 MOT tests on the 2021 Mercedes C 200 AMG Line Ed Prem D A ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 696th of 3,336 models first registered in 2021 (top 21%).
Which year Mercedes C 200 AMG Line Ed Prem D A has the best MOT pass rate?
Of the years with at least 100 tests, the 2019 Mercedes C 200 AMG Line Ed Prem D A has the highest MOT pass rate at 95% and the 2020 the lowest at 90%. Newer cars usually pass more often simply because they are younger and have done fewer miles.
What is the average mileage for a 2021 Mercedes C 200 AMG Line Ed Prem D A?
The average mileage recorded at MOT tests on the 2021 Mercedes C 200 AMG Line Ed Prem D A is 25,520 miles, which is in line with the expected 22,200 miles for a 3-year-old car, suggesting normal everyday use.
Related Mercedes Models
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