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: 28,871 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 385 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Four-wheel drive
• Colour: White
• CO2: 218 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 28,871 miles on the clock, this 2020 Mercedes-Benz C Class AMG Premium has done roughly 19,100 fewer miles than a typical 2020 Mercedes-Benz C Class. Its asking price of £26,995 is £3,495 below the AskCar estimate of £30,490. To work out the AskCar estimate, we analyse UK dealer adverts for 4,618 Mercedes-Benz C Class cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 107 days. The government's MOT record matches its advertised mileage. You can find this car at Elmside Garage in Bromley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Good value: £3,495 (11%) under the AskCar estimate of £30,490.

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 4,618 priced Mercedes-Benz C Class adverts across different ages and specifications, as of 2 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 2 November 2026.

Time on sale

The dealer may accept less. This 2020 Mercedes-Benz C Class has been on sale for at least 107 days. About half of 2020 Mercedes-Benz C Class cars are gone from sale within a month of being advertised: 158 of the 311 first advertised between 10 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 18 July 2026 at £26,995. Its asking price has not changed.

Price changes recorded:

• 18 July 2026: £26,995
• 8 August 2026: £25,995
• 20 October 2026: £26,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 6 May 2027.

It has had 3 MOTs. The latest, on 7 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 28,747 miles, which matches the advertised 28,871 miles.

Advertised mileage is about 19,100 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 £28,995, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2020 Mercedes-Benz C Class AMG Premium, 3.0 petrol convertible, blue. Mileage: 36,750 miles. Price: £28,995, £2,000 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: 43,521 miles. Price: £28,790, £1,795 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, black. Mileage: 56,800 miles. Price: £26,950, the same price as this car. Dealer: Select Performance and Prestige in Hedsor. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2020-b486a812b448