2020 Mercedes-Benz C Class 3.0 C43 V6 AMG Premium

Overview

• Make: Mercedes-Benz
• Model: C Class
• Trim: AMG Premium
• Version: 3.0 C43 V6 AMG Premium G-Tronic+ 4WD Euro 6 (s/s) 2dr Cabriolet (385 bhp)
• Year: 2020
• Mileage: 56,800 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 385 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 218 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz C Class AMG Premium has covered 56,800 miles, around 8,800 more miles than is typical for its age. The AskCar estimate for this car is £26,108. It is priced at £26,950, which is £842 above that estimate. The AskCar estimate draws on 4,622 Mercedes-Benz C Class adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 45 days ago, and its asking price has since fallen by £2,000. Its advertised mileage matches the government's MOT record. You can find this car at Select Performance and Prestige in Bourne END. 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

Fair price: £842 (3%) over the AskCar estimate of £26,108.

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 3.0 petrol engine is typically advertised at £27,000: the median of the 26 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 45 days.

Price history

AskCar first saw this advert on 23 September 2026 at £28,950. Its asking price is now £26,950, £2,000 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

• 23 September 2026: £28,950
• 25 September 2026: £27,950
• 22 October 2026: £26,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 28 September 2027.

It has had 5 MOTs. The latest, on 25 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 56,848 miles, which matches the advertised 56,800 miles.

Advertised mileage is about 8,800 miles higher than the median mileage of a 2020 Mercedes-Benz C Class on AskCar.

Similar cars

3 other 2020 Mercedes-Benz C Class AMG Premium 3.0 petrol automatic convertibles are for sale at UK dealers, from £26,995 to £28,995, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2020 Mercedes-Benz C Class AMG Premium, 3.0 petrol convertible, white. Mileage: 43,521 miles. Price: £28,490, £1,540 more than this car. Dealer: Group 1 Automotive Mercedes-Benz of Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2020-d525555175fd
• 2020 Mercedes-Benz C Class AMG Premium, 3.0 petrol convertible, blue. Mileage: 36,750 miles. Price: £28,995, £2,045 more than this car. Dealer: Position One Motor Company in Leatherhead. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2020-a7852d1f7402
• 2020 Mercedes-Benz C Class AMG Premium, 3.0 petrol convertible, white. Mileage: 28,871 miles. Price: £26,995, the same price as this car. Dealer: Elmside Garage in Beckenham. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2020-ee3c00dfd8da