2020 Mercedes-Benz C Class 2.0 C300d AMG Line Premium Plus

Overview

• Make: Mercedes-Benz
• Model: C Class
• Trim: AMG Line Premium Plus
• Version: 2.0 C300d AMG Line Premium Plus G-Tronic+ RWD Euro 6 (s/s) 2dr (242 bhp)
• Year: 2020
• Mileage: 78,000 miles
• Fuel: Diesel
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 242 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz C Class AMG Line Premium Plus is advertised with 78,000 miles, approximately 30,000 above the typical mileage for its age. The AskCar estimate for this car is £17,007. It is priced at £18,995, which is £1,988 above that estimate. The AskCar estimate uses UK dealer asking prices, including 4,622 Mercedes-Benz C Class adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 77 days ago, the asking price has dropped by £2,000. Our records show an MOT expiry date of 31 July 2026, which has passed. Ask the dealer for an update. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Moy Auto Services in Dungannon. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,988 (11%) over the AskCar estimate of £17,007.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 4,622 priced Mercedes-Benz C Class adverts across different ages and specifications, as of 7 November 2026.

A 2020 Mercedes-Benz C Class with the 2.0 diesel engine is typically advertised at £17,700: the median of the 130 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2020 Mercedes-Benz C Class has been on sale for at least 77 days.

Price history

AskCar first saw this advert on 22 August 2026 at £20,995. Its asking price is now £18,995, £2,000 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

• 22 August 2026: £20,995
• 20 September 2026: £20,495
• 14 October 2026: £19,995
• 7 November 2026: £18,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: the latest record we hold ran out on 31 July 2026; ask the dealer for the current MOT.

It has had 6 MOTs. The latest, on 24 July 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 66,834 miles, which matches the advertised 78,000 miles.

Advertised mileage is about 30,000 miles higher than the median mileage of a 2020 Mercedes-Benz C Class on AskCar.

Similar cars

6 other 2020 Mercedes-Benz C Class AMG Line Premium Plus 2.0 diesel automatic coupes are for sale at UK dealers, from £16,995 to £22,990, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2020 Mercedes-Benz C Class AMG Line Premium Plus, 2.0 diesel coupe, black. Mileage: 75,107 miles. Price: £16,995, £2,000 less than this car. Dealer: Tenby Car Supermarket in Luton. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2020-ee925765a296
• 2020 Mercedes-Benz C Class AMG Line Premium Plus, 2.0 diesel coupe, blue. Mileage: 54,900 miles. Price: £18,995, the same price as this car. Dealer: ZG Prestige in Bolton. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2020-f4a7d2938f68
• 2020 Mercedes-Benz C Class AMG Line Premium Plus, 2.0 diesel coupe, blue. Mileage: 51,300 miles. Price: £19,490, £495 more than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2020-1b4e52e51096

• The nearest: 2020 Mercedes-Benz C Class AMG Line Premium Plus, 2.0 diesel coupe, red, 17 miles from this car. Mileage: 37,800 miles. Price: £21,995, £3,000 more than this car. Dealer: Empire Autos NI in Craigavon. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2020-d6a8094a0681