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: 36,750 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 385 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 218 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 36,750 miles, this 2020 Mercedes-Benz C Class AMG Premium has covered about 11,300 fewer miles than other 2020 Mercedes-Benz C Class cars. Priced at £28,995, it is advertised £162 below the AskCar estimate of £29,157. To work out the AskCar estimate, we analyse UK dealer adverts for 4,622 Mercedes-Benz C Class cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 163 days. You can find this car at Position One Motor Company in Leatherhead. 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: £162 (under 1%) under the AskCar estimate of £29,157.

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

The dealer may accept less. This 2020 Mercedes-Benz C Class has been on sale for at least 163 days. About half of 2020 Mercedes-Benz C Class cars are gone from sale within a month of being advertised: 170 of the 338 first advertised between 10 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 28 May 2026 at £28,995. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 11,300 miles lower 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 £26,950 to £28,490, 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, £505 less 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, white. Mileage: 28,871 miles. Price: £26,995, £2,000 less than this car. Dealer: Elmside Garage in Beckenham. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2020-ee3c00dfd8da
• 2020 Mercedes-Benz C Class AMG Premium, 3.0 petrol convertible, black. Mileage: 56,800 miles. Price: £26,950, £2,045 less than this car. Dealer: Select Performance and Prestige in Hedsor. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2020-b486a812b448