2020 Mercedes-Benz CLS 2.0 CLS300d AMG Line

Price: £21,250. Fair price: £438 (2%) under the AskCar estimate of £21,688, our expected asking price for this car from its model, age, mileage and specification, drawing on 310 priced Mercedes-Benz CLS adverts on AskCar as of 8 November 2026.

AskCar lists 330 used Mercedes-Benz CLS from 270 UK dealerships, as of 8 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: CLS
  • Trim: AMG Line
  • Version: 2.0 CLS300d AMG Line G-Tronic RWD Euro 6 (s/s) 4dr Coupe (242 bhp)
  • Year: 2020
  • Mileage: 50,800 miles
  • Fuel: Diesel
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 242 bhp
  • Gearbox: Automatic (G-Tronic)
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 172 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz CLS AMG Line is advertised with 50,800 miles on the clock. The dealer is asking £21,250, which is £438 below the AskCar estimate of £21,688. To work out the AskCar estimate, we analyse UK dealer adverts for 310 Mercedes-Benz CLS cars across different ages and specifications. This car was first seen in our listings data 2 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Rdm Direct in Burton on Trent. 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: £438 (2%) under the AskCar estimate of £21,688.

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 310 priced Mercedes-Benz CLS adverts across different ages and specifications, as of 8 November 2026.

Time on sale

AskCar first saw this 2020 Mercedes-Benz CLS advertised 2 days ago.

Price history

AskCar first saw this advert on 6 November 2026 at £21,250. 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 20 September 2027.

It has had 4 MOTs. The latest, on 10 September 2026, passed.

Advisories at the latest test: nearside rear child seat fitted not allowing full inspection of adult belt.

Mileage at that test: 49,645 miles, which matches the advertised 50,800 miles.

Similar cars

1 other 2020 Mercedes-Benz CLS AMG Line 2.0 diesel automatic saloon is for sale at UK dealers, as of 8 November 2026.

The closest to this car in mileage:

  • 2020 Mercedes-Benz CLS AMG Line, 2.0 diesel saloon, grey. Mileage: 50,850 miles. Price: £21,895, £645 more than this car. Dealer: ZG Prestige in Bolton. AskCar page: https://askcar.co.uk/car/mercedes-benz-cls-2020-1372360430ae

Browse all Mercedes-Benz CLS cars for sale · 2020 Mercedes-Benz CLS price guide

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Photos

14 photos of this car are on its AskCar page.

As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.