2020 Mercedes-Benz C Class 3.0 C43 V6 AMG

Overview

• Make: Mercedes-Benz
• Model: C Class
• Trim: AMG
• Version: 3.0 C43 V6 AMG G-Tronic+ 4WD Euro 6 (s/s) 2dr Cabriolet (385 bhp)
• Year: 2020
• Mileage: 44,280 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: 223 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 44,280 miles on the clock, this 2020 Mercedes-Benz C Class AMG has done roughly 3,700 fewer miles than a typical 2020 Mercedes-Benz C Class. Priced at £26,995, it is advertised £4,261 below the AskCar estimate of £31,256. 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 95 days ago, the asking price has dropped by £1,000. The latest recorded MOT expiry date is 8 October 2025, which has passed. Confirm its status with the dealer. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at The Professional Car Agents in Plymouth. 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

Good value: £4,261 (13%) under the AskCar estimate of £31,256.

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 95 days.

Price history

AskCar first saw this advert on 4 August 2026 at £27,995. Its asking price is now £26,995, £1,000 less. The latest price cut was seen on 21 September 2026.

Price changes recorded:

• 4 August 2026: £27,995
• 21 September 2026: £26,995

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 8 October 2025; ask the dealer for the current MOT.

It failed its MOT on 1 October 2024 (offside front inner tyre has ply or cords exposed; nearside rear shock absorbers has a serious fluid leak) and passed 1 day later, on 2 October 2024.

Advisories at the latest test: nearside rear drive shaft damaged but serviceable DRIVE SHAFT LEAKING GREASE FROM METAL JOINT.

Mileage at that test: 36,120 miles, which matches the advertised 44,280 miles.

Advertised mileage is about 3,700 miles lower than the median mileage of a 2020 Mercedes-Benz C Class on AskCar.