2020 Mercedes-Benz GLC 2.0 AMG Line

Price: £24,998. Fair price: £1,542 (6%) over the AskCar estimate of £23,456, 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
  • Version: 2.0 Mhev AMG Line G-Tronic+ 4WD Euro 6 (s/s) 5dr (268 bhp)
  • Year: 2020
  • Mileage: 51,433 miles
  • Fuel: Petrol, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 268 bhp
  • Gearbox: Automatic (G-Tronic+)
  • Drive: Four-wheel drive
  • Colour: Blue
  • CO2: 196 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 51,433 miles, this 2020 Mercedes-Benz GLC AMG Line has covered about 2,000 fewer miles than other 2020 Mercedes-Benz GLC cars. Its asking price of £24,998 is £1,542 above the AskCar estimate of £23,456. The AskCar estimate uses UK dealer asking prices, including 2,814 Mercedes-Benz GLC adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 81 days ago. Its asking price has since fallen by £2,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Mercedes-Benz Of Perth, based in Perth. 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: £1,542 (6%) over the AskCar estimate of £23,456.

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 petrol 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 81 days.

Price history

AskCar first saw this advert on 19 August 2026 at £26,998. Its asking price is now £24,998, £2,000 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

  • 19 August 2026: £26,998
  • 11 October 2026: £25,998
  • 21 October 2026: £24,998

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 27 July 2027.

It has had 4 MOTs. The latest, on 23 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 50,914 miles, which matches the advertised 51,433 miles.

Advertised mileage is about 2,000 miles lower than the median mileage of a 2020 Mercedes-Benz GLC on AskCar.

Similar cars

32 other 2020 Mercedes-Benz GLC AMG Line 2.0 petrol automatic SUVs are for sale at UK dealers, from £18,500 to £30,975, as of 8 November 2026.

The 3 closest to this car in mileage:

  • 2020 Mercedes-Benz GLC AMG Line, 2.0 petrol SUV, grey. Mileage: 52,231 miles. Price: £23,000, £1,998 less than this car. Dealer: Chris W Roads in Ripley. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-5cc987abc89d
  • 2020 Mercedes-Benz GLC AMG Line, 2.0 petrol SUV, black. Mileage: 50,471 miles. Price: £22,400, £2,598 less than this car. Dealer: Sytner Select Northampton in Northampton. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-48af192c3864
  • 2020 Mercedes-Benz GLC AMG Line, 2.0 petrol SUV, black. Mileage: 46,800 miles. Price: £25,990, £992 more than this car. Dealer: Prestige Cars Of Essex in Harlow. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-47cc59a9c9f9
  • The nearest: 2020 Mercedes-Benz GLC AMG Line, 2.0 petrol SUV, grey, 29 miles from this car. Mileage: 33,706 miles. Price: £25,500, £502 more than this car. Dealer: John Clark Select Stirling in Stirling. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-3f50f13bb011

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

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Photos

20 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.