2020 Mercedes-Benz C Class 2.0 C300d AMG Line Premium Plus

Overview

• Make: Mercedes-Benz
• Model: C Class
• Trim: AMG Line Premium Plus
• Version: 2.0 C300d AMG Line Premium Plus G-Tronic+ RWD Euro 6 (s/s) 2dr Cabriolet (242 bhp)
• Year: 2020
• Mileage: 38,250 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres, 242 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 138 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 38,250 miles on the clock, this 2020 Mercedes-Benz C Class AMG Line Premium Plus has done roughly 9,800 fewer miles than a typical 2020 Mercedes-Benz C Class. Its asking price of £21,995 is £149 below the AskCar estimate of £22,144. The AskCar estimate uses 4,635 UK dealer adverts for the Mercedes-Benz C Class, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 13 days ago. Its advertised mileage matches the government's MOT record. The seller is Rodden Road Cars, based in Frome. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £149 (under 1%) under the AskCar estimate of £22,144.

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 4,635 priced Mercedes-Benz C Class adverts across different ages and specifications, as of 5 November 2026.

A 2020 Mercedes-Benz C Class with the 2.0 diesel engine is typically advertised at £18,000: the median of the 135 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2020 Mercedes-Benz C Class has been on sale for at least 13 days.

Price history

AskCar first saw this advert on 23 October 2026 at £21,995. 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 5 November 2026: valid until 8 April 2027.

It has had 5 MOTs. The latest, on 23 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 33,243 miles, which matches the advertised 38,250 miles.

Advertised mileage is about 9,800 miles lower than the median mileage of a 2020 Mercedes-Benz C Class on AskCar.

Similar cars

1 other 2020 Mercedes-Benz C Class AMG Line Premium Plus 2.0 diesel automatic convertible is for sale at UK dealers, as of 5 November 2026.

The closest to this car in mileage:

• 2020 Mercedes-Benz C Class AMG Line Premium Plus, 2.0 diesel convertible, grey. Mileage: 48,027 miles. Price: £18,475, £3,520 less than this car. Dealer: PCBS Sales in Tonbridge. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2020-5ee331c09703