2020 Mercedes-Benz C Class 3.0 C43 V6 AMG Premium Plus

Overview

• Make: Mercedes-Benz
• Model: C Class
• Trim: AMG Premium Plus
• Version: 3.0 C43 V6 AMG Premium Plus G-Tronic+ 4WD Euro 6 (s/s) 2dr Cabriolet (385 bhp)
• Year: 2020
• Mileage: 27,000 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

This 2020 Mercedes-Benz C Class AMG Premium Plus has covered 27,000 miles, around 21,000 fewer miles than is typical for its age. Its asking price of £29,989 is £2,463 below the AskCar estimate of £32,452. The AskCar estimate uses 4,562 UK dealer adverts for the Mercedes-Benz C Class, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 12 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Blackstone Motors in White City. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £2,463 (7%) under the AskCar estimate of £32,452.

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 4,562 priced Mercedes-Benz C Class adverts across different ages and specifications, as of 8 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 8 November 2026.

Time on sale

This 2020 Mercedes-Benz C Class has been on sale for at least 12 days.

Price history

AskCar first saw this advert on 27 October 2026 at £29,989. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 23 March 2027.

It has had 4 MOTs. The latest, on 19 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 26,961 miles, which matches the advertised 27,000 miles.

Advertised mileage is about 21,000 miles lower than the median mileage of a 2020 Mercedes-Benz C Class on AskCar.

Similar cars

2 other 2020 Mercedes-Benz C Class AMG Premium Plus 3.0 petrol automatic convertibles are for sale at UK dealers, from £25,690 to £30,499, as of 8 November 2026.

The 2 closest to this car in mileage:

• 2020 Mercedes-Benz C Class AMG Premium Plus, 3.0 petrol convertible, red. Mileage: 22,837 miles. Price: £30,499, £510 more than this car. Dealer: Henson Car Store in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2020-9ad65368b1f2
• 2020 Mercedes-Benz C Class AMG Premium Plus, 3.0 petrol convertible, black. Mileage: 42,400 miles. Price: £25,690, £4,299 less than this car. Dealer: UK Wheels in Edgware. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2020-39f729cbc22d