Mercedes C 300 AMG Line Edition D Auto (2019)

Estimated running costs and MOT pass rates from 30 MOT tests in 2024.

Annual Cost

£1,852

£154/month

MOT Pass Rate

90%

Excellent

Road Tax

£200

Standard rate/year

Est. Insurance

Grp 18-32

1950cc Diesel

Great Choice

90% pass rate, £1,852/year to run. 8 points above average.

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Diesel1950cc7 years old30 tests38k miles avg

Annual Running Costs

Fuel (Diesel, 1950cc)

~48 mpg

£1,397

Road Tax

Standard rate (from April 2017)

£200

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£1,852

Per month£154/mo

Per week£36/wk

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

90% MOT pass rate(Excellent)

0%All-model avg: 82%100%

Excellent reliability. Very few MOT failures. That's 8 points above the average of 82% across all models in our data.

90% of MOT tests on Mercedes C 300 AMG Line Edition D Autos from 2019 ended in a pass in 2024, when they were about 5 years old. That's based on 30 tests across the UK, retests included. The average mileage recorded at those tests was 37,805 miles.

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How Does It Compare?

Rank among 2019 models881st of 1,380(bottom half)

Rank among Mercedes models668th of 1,376(top half)

vs average of all models+8%(82% avg)

vs 2019 models average+0%(90% avg)

vs Mercedes average+3%(87% avg)

Mileage Analysis

37,805

Average miles

37,000

Expected for age

The average 2019 Mercedes C 300 AMG Line Edition D Auto had 37,805 miles on the clock at its 2024 MOT, which is in line with the expected 37,000 miles for a 5-year-old car, suggesting normal everyday use.

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Mercedes C 300 AMG Line Edition D Auto by Year

Year	Pass Rate	Tests	Avg Mileage
2021	91%	35	26,300 mi
2020	93%	105	43,141 mi
2019	90%	30	37,805 mi

Similar Cars to Consider

Volkswagen Golf

2017 · 1598cc Diesel

£1,674/year

91%

+1%

Ford Focus

2019 · 1499cc Diesel

£1,824/year

89%

-1%

Mercedes A

2019 · 1461cc Diesel

£1,674/year

91%

+1%

Mercedes A-Class

2017 · 1461cc Diesel

£1,824/year

88%

-2%

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About the 2019 Mercedes C 300 AMG Line Edition D Auto

The 2019 Mercedes C 300 AMG Line Edition D Auto is a premium car. Our records list a 1950cc diesel engine, though engines vary between versions. 30 MOT tests were recorded on this model in 2024, making it a rare model on UK roads. Among all models from 2019, the average MOT pass rate is 90%, and this model matches that benchmark.

With an average of 37,805 miles recorded at its 2024 MOT tests, Mercedes C 300 AMG Line Edition D Auto owners drive about as much as the UK average.

2019 Mercedes C 300 AMG Line Edition D Auto 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 £1,397 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). 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 2019 Mercedes C 300 AMG Line Edition D Auto?

Total estimated annual running cost is £1,852 (£154/month), broken down as £1,397 fuel, £200 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 90% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

Buying a Used 2019 Mercedes C 300 AMG Line Edition D 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. Note: with only 30 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 out

Short journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.

Turbo Wear

Medium risk

Diesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.

AdBlue System

Medium risk

Post-2015 diesels use AdBlue for emissions. Sensor failures and tank heater issues are common. Budget £200-£500 for repairs.

EGR Valve

Watch out

Exhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.

Suspension Wear

Medium risk

Shock 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 risk

Always 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 D 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 D Auto(2019)	90%	£1,397	£200	Grp 18-32	£1,852
Volkswagen Golf(2017)	91%	£1,219	£200	Grp 12-25	£1,674-£178
Ford Focus(2019)	89%	£1,219	£200	Grp 12-25	£1,824-£28
Mercedes A(2019)	91%	£1,219	£200	Grp 12-25	£1,674-£178
Mercedes A-Class(2017)	88%	£1,219	£200	Grp 12-25	£1,824-£28

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 D Auto

Is the 2019 Mercedes C 300 AMG Line Edition D Auto reliable?

Excellent reliability. Very few MOT failures. 90% of MOT tests on 2019 Mercedes C 300 AMG Line Edition D Autos ended in a pass, from 30 tests (DVSA MOT data for tests in 2024, retests included). That's 8 points above the average of 82% across all models in the same data.

How much does a 2019 Mercedes C 300 AMG Line Edition D Auto cost to run?

Our estimate is £1,852 a year (£154 a month): £1,397 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 2019 Mercedes C 300 AMG Line Edition D Auto?

90% of 30 MOT tests on the 2019 Mercedes C 300 AMG Line Edition D Auto ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 881st of 1,380 models first registered in 2019 (bottom half).

What is the average mileage for a 2019 Mercedes C 300 AMG Line Edition D Auto?

The average mileage recorded at MOT tests on the 2019 Mercedes C 300 AMG Line Edition D Auto is 37,805 miles, which is in line with the expected 37,000 miles for a 5-year-old car, suggesting normal everyday use.