CarCostCheck

Mercedes C 300 AMG LN NGT Ed PRM + De A

Reliability, estimated running costs, and MOT data across 2 model years from 458 MOT tests in 2024.

Avg Pass Rate

92%

Total Tests

458

Model Years

2020 to 2021

Years Covered

2

About the Mercedes C 300 AMG LN NGT Ed PRM + De A

The Mercedes C 300 AMG LN NGT Ed PRM + De A was MOT tested 458 times in 2024 (DVSA data, retests included) across 2 model years (2020 to 2021), with an average pass rate of 92%. That's comfortably above the average of 82% across all models in our data. Our records list diesel hybrid versions.

Mileage Across Years

The oldest model in our data (2020) averages 59,475 miles, while the newest (2021) averages 41,857 miles.

Compared to the Mercedes brand average of 87%, the C 300 AMG LN NGT Ed PRM + De A performs 5 points better, making it one of the more reliable options in the Mercedes range.

Estimated Running Costs

Fuel (Diesel hybrid, 1950cc)
£1,397
Road Tax
£200
MOT Test
£55
Predicted Repairs
£200
Total per year£1,852
Per month£154/mo

Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.

Full 2021 details

How reliable is the Mercedes C 300 AMG LN NGT Ed PRM + De A?

vs average of all models+10% (82% avg)
vs Mercedes brand average+5% (87% avg)

Mercedes C 300 AMG LN NGT Ed PRM + De A by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

YearPass RateTestsAvg Mileage
202190%37741,857 mi
202093%8159,475 mi

Questions about the Mercedes C 300 AMG LN NGT Ed PRM + De A

Is the Mercedes C 300 AMG LN NGT Ed PRM + De A reliable?

Across its 2 model years in our data (2020 to 2021), the Mercedes C 300 AMG LN NGT Ed PRM + De A averages a 92% MOT pass rate, from 458 tests (DVSA MOT data for tests in 2024, retests included). That's 10 points above the average of 82% across all models in the same data.

Mercedes C 300 AMG LN NGT Ed PRM + De A Guides & Articles

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