2020 Mercedes-Benz GLC 2.0 GLC300d AMG Line Premium

Price: £20,980. Fair price: £1,405 (6%) under the AskCar estimate of £22,385, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,814 priced Mercedes-Benz GLC adverts on AskCar as of 8 November 2026.

AskCar lists 2,918 used Mercedes-Benz GLC from 1,187 UK dealerships, as of 8 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: GLC
  • Trim: AMG Line Premium
  • Version: 2.0 GLC300d AMG Line Premium G-Tronic+ 4WD Euro 6 (s/s) 5dr Coupe (242 bhp)
  • Year: 2020
  • Mileage: 70,000 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 242 bhp
  • Gearbox: Automatic (G-Tronic+)
  • Drive: Four-wheel drive
  • Colour: Blue
  • CO2: 182 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 70,000 miles on the clock, this 2020 Mercedes-Benz GLC AMG Line Premium has done roughly 16,500 more miles than a typical 2020 Mercedes-Benz GLC. The dealer is asking £20,980, which is £1,405 below the AskCar estimate of £22,385. To work out the AskCar estimate, we analyse UK dealer adverts for 2,814 Mercedes-Benz GLC cars across different ages and specifications. We first recorded this advert 75 days ago, and its asking price has since fallen by £2,500. The government's MOT record matches its advertised mileage. It is for sale at Ashbourne Automotive in Market Drayton. 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: £1,405 (6%) under the AskCar estimate of £22,385.

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 2,814 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 8 November 2026.

A 2020 Mercedes-Benz GLC with the 2.0 diesel engine is typically advertised at £22,000: the median of the 209 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2020 Mercedes-Benz GLC has been on sale for at least 75 days.

Price history

AskCar first saw this advert on 25 August 2026 at £23,480. Its asking price is now £20,980, £2,500 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

  • 25 August 2026: £23,480
  • 26 August 2026: £22,980
  • 29 August 2026: £22,480
  • 3 September 2026: £21,980
  • 14 October 2026: £21,480
  • 23 October 2026: £20,980

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 15 November 2026.

It has had 3 MOTs. The latest, on 28 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 57,897 miles, which matches the advertised 70,000 miles.

Advertised mileage is about 16,500 miles higher than the median mileage of a 2020 Mercedes-Benz GLC on AskCar.

Similar cars

54 other 2020 Mercedes-Benz GLC AMG Line Premium 2.0 diesel automatic SUVs are for sale at UK dealers, from £16,990 to £28,433, as of 8 November 2026.

The 3 closest to this car in mileage:

  • 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black. Mileage: 71,650 miles. Price: £21,695, £715 more than this car. Dealer: V12 Sports & Classics Ltd - Hinckley in Hinckley. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-4c2c3a128d0a
  • 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, blue. Mileage: 72,000 miles. Price: £18,995, £1,985 less than this car. Dealer: City Cars Scotland in Aberdeen. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-8298aeedbdc6
  • 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black. Mileage: 67,972 miles. Price: £20,999, the same price as this car. Dealer: Total Vehicle Solutions in Glasgow. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-53e77095739a
  • The nearest: 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, silver, 21 miles from this car. Mileage: 62,110 miles. Price: £19,999, £981 less than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-0714dd701363

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

More like this

Photos

90 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.