Mercedes C 300 AMG Line Edition De Auto (2019)
Estimated running costs and MOT pass rates from 32 MOT tests in 2024.
Annual Cost
£2,002
£167/month
MOT Pass Rate
84%
Good
Road Tax
£200
Standard rate/year
Est. Insurance
Grp 18-32
1950cc Diesel hybrid
Solid Option
84% pass rate, £2,002/year to run. Close to the average across all models.
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Annual Running Costs
~48 mpg (diesel-engine estimate; hybrids usually use less)
Standard rate (from April 2017)
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
Good reliability. Occasional issues but generally solid. That's close to the average of 82% across all models in our data.
84% of MOT tests on Mercedes C 300 AMG Line Edition De Autos from 2019 ended in a pass in 2024, when they were about 5 years old. That's based on 32 tests across the UK, retests included. The average mileage recorded at those tests was 76,145 miles.
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How Does It Compare?
Mileage Analysis
76,145
Average miles
37,000
Expected for age
The average 2019 Mercedes C 300 AMG Line Edition De Auto had 76,145 miles on the clock at its 2024 MOT, which is well above the expected 37,000 miles for a 5-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.
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Best Year to Buy?
Of the years with at least 100 tests, the 2021 model has the highest MOT pass rate at 90%, while the 2020 model has the lowest at 89%. The 2019 scores 84%. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
Mercedes C 300 AMG Line Edition De Auto by Year
Similar Cars to Consider
Land Rover Discovery Sport R-DYN SE D A
2020 · 1999cc Diesel hybrid
£1,852/year
90%
+6%
BMW 520D M Sport MHEV Auto
2021 · 1995cc Diesel hybrid
£2,002/year
89%
+5%
BMW 320D M Sport MHEV Auto
2021 · 1995cc Diesel hybrid
£1,852/year
91%
+7%
Volvo XC90 R-Design B5 MHEV Awd Auto
2021 · 1969cc Diesel hybrid
£1,852/year
90%
+6%
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About the 2019 Mercedes C 300 AMG Line Edition De Auto
The 2019 Mercedes C 300 AMG Line Edition De Auto is a premium car. Our records list a 1950cc diesel hybrid engine, though engines vary between versions. 32 MOT tests were recorded on this model in 2024, making it a rare model on UK roads. It sits in the bottom 8% of 2019 models for MOT pass rate.
With an average of 76,145 miles recorded at its 2024 MOT tests, Mercedes C 300 AMG Line Edition De Auto owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.
2019 Mercedes C 300 AMG Line Edition De Auto Fuel Costs
The 1950cc diesel hybrid engine offers a reasonable balance between performance and economy. Our estimate uses around 48 mpg, the figure for a diesel engine of this size, which works out to roughly £1,397 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). As a hybrid it should use less than that, and real-world fuel costs depend a lot on how much electric-only driving you do.
What does it cost to own a 2019 Mercedes C 300 AMG Line Edition De Auto?
Total estimated annual running cost is £2,002 (£167/month), broken down as £1,397 fuel, £200 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 84% pass rate. Keeping on top of servicing will help avoid surprises.
Buying a Used 2019 Mercedes C 300 AMG Line Edition De Auto
At 7 years old, this is a solid used buy if you find one with good service history. Depreciation has levelled off, so you won't lose much more value. Focus on condition over mileage. If you're flexible on year, the 2021 model has the highest pass rate at 90%. Note: with only 32 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.
Hybrid Battery Health
Medium riskAfter 7 years, hybrid battery capacity may have reduced. A full replacement costs £2,000-£4,000, though reconditioning is cheaper at £500-£1,500.
Inverter and Power Electronics
Low riskThe inverter converts DC to AC for the electric motor. Failures are expensive (£1,500+) but relatively rare. Listen for unusual buzzing sounds.
Regenerative Braking
Medium riskBrake discs can corrode from reduced use (the electric motor handles most braking). Surface rust is normal but deep pitting needs attention.
Suspension Wear
Medium riskShock absorbers, springs, and anti-roll bar links typically need attention around this age. Listen for clunks over bumps and check for uneven tyre wear.
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 2019 Mercedes C 300 AMG Line Edition De Auto 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 300 AMG Line Edition De Auto(2019) | 84% | £1,397 | £200 | Grp 18-32 | £2,002 |
| Land Rover Discovery Sport R-DYN SE D A(2020) | 90% | £1,397 | £200 | Grp 18-32 | £1,852-£150 |
| BMW 520D M Sport MHEV Auto(2021) | 89% | £1,397 | £200 | Grp 18-32 | £2,002same |
| BMW 320D M Sport MHEV Auto(2021) | 91% | £1,397 | £200 | Grp 18-32 | £1,852-£150 |
| Volvo XC90 R-Design B5 MHEV Awd Auto(2021) | 90% | £1,397 | £200 | Grp 18-32 | £1,852-£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 2019 Mercedes C 300 AMG Line Edition De Auto
Is the 2019 Mercedes C 300 AMG Line Edition De Auto reliable?
Good reliability. Occasional issues but generally solid. 84% of MOT tests on 2019 Mercedes C 300 AMG Line Edition De Autos ended in a pass, from 32 tests (DVSA MOT data for tests in 2024, retests included). That's 2 points above the average of 82% across all models in the same data.
How much does a 2019 Mercedes C 300 AMG Line Edition De Auto cost to run?
Our estimate is £2,002 a year (£167 a month): £1,397 fuel, £200 road tax, £55 MOT and £350 predicted repairs, based on 7,400 miles a year. Insurance is not included.
What is the MOT pass rate for a 2019 Mercedes C 300 AMG Line Edition De Auto?
84% of 32 MOT tests on the 2019 Mercedes C 300 AMG Line Edition De Auto ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 1282nd of 1,380 models first registered in 2019 (bottom 8%).
Which year Mercedes C 300 AMG Line Edition De Auto has the best MOT pass rate?
Of the years with at least 100 tests, the 2021 Mercedes C 300 AMG Line Edition De Auto has the highest MOT pass rate at 90% and the 2020 the lowest at 89%. Newer cars usually pass more often simply because they are younger and have done fewer miles.
What is the average mileage for a 2019 Mercedes C 300 AMG Line Edition De Auto?
The average mileage recorded at MOT tests on the 2019 Mercedes C 300 AMG Line Edition De Auto is 76,145 miles, which is well above the expected 37,000 miles for a 5-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.
Related Mercedes Models
Explore other Mercedes cars or similar models in the same category.
Mercedes A
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2017 · 1991cc Hybrid
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Land Rover Discovery Sport R-DYN SE D A
2020 · 1999cc Diesel hybrid
BMW 520D M Sport MHEV Auto
2021 · 1995cc Diesel hybrid
BMW 320D M Sport MHEV Auto
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