2020 Mercedes-Benz GLC 2.0 GLC300d AMG Line Premium

Price: £24,280. Fair price: £731 (2%) under the AskCar estimate of £25,011, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,851 priced Mercedes-Benz GLC adverts on AskCar as of 12 November 2026.

AskCar lists 2,887 used Mercedes-Benz GLC from 1,195 UK dealerships, as of 12 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 (242 bhp)
  • Year: 2020
  • Mileage: 37,549 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 242 bhp
  • Gearbox: Automatic (G-Tronic+)
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 172 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz GLC AMG Line Premium has covered 37,549 miles. Its asking price of £24,280 is £731 below the AskCar estimate of £25,011. The AskCar estimate uses 2,851 UK dealer adverts for the Mercedes-Benz GLC, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 1 day ago, the asking price has dropped by £10. The latest MOT recorded 57,726 miles, above the advertised mileage. Check this with the dealer. Its recorded MOT is valid until 19 August 2027. The seller is Big Motoring World Cannock, based in Cannock. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 12 November 2026.

How we estimate prices and check cars

Big Motoring World Cannock is rated 3.9 out of 5 on Google.

Price

Fair price: £731 (2%) under the AskCar estimate of £25,011.

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 2,851 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 12 November 2026.

A 2020 Mercedes-Benz GLC with the 2.0 diesel engine is typically advertised at £22,000: the median of the 208 for sale on AskCar, as of 12 November 2026.

Time on sale

AskCar first saw this 2020 Mercedes-Benz GLC advertised 1 day ago. About 4 in 10 of 2020 Mercedes-Benz GLC cars are gone from sale within a month of being advertised: 164 of the 385 first advertised between 12 July 2026 and 9 October 2026.

Price history

AskCar first saw this advert on 11 November 2026 at £24,290. Its asking price is now £24,280, £10 less. The latest price cut was seen on 12 November 2026.

Price changes recorded:

  • 11 November 2026: £24,290
  • 12 November 2026: £24,280

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 12 November 2026: valid until 19 August 2027.

It has had 4 MOTs. The latest, on 31 July 2026, passed.

Advisories at the latest test: nearside rear tyre slightly damaged/cracking or perishing cracking and low tread; offside rear tyre slightly damaged/cracking or perishing cracking and low tread.

Mileage at that test: 57,726 miles. The advert says 37,549 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 14,700 miles lower than the median mileage of a 2020 Mercedes-Benz GLC on AskCar.

Similar cars

52 other 2020 Mercedes-Benz GLC AMG Line Premium 2.0 diesel automatic SUVs are for sale at UK dealers, from £17,830 to £28,433, as of 12 November 2026.

The 3 closest to this car in mileage:

  • 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black. Mileage: 37,468 miles. Price: £25,995, £1,715 more than this car. Dealer: A1 Auto Solutions in Maidenhead. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-56e7c81188f5
  • 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, grey. Mileage: 36,985 miles. Price: £24,995, £715 more than this car. Dealer: Hawkes Car Centre in Bury St Edmunds. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-92f73df546c8
  • 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, white. Mileage: 38,407 miles. Price: £24,247, the same price as this car. Dealer: Hitchfields in Huddersfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-e9c214b59c0b
  • The nearest: 2020 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, grey, 1 miles from this car. Mileage: 49,332 miles. Price: £22,506, £1,774 less than this car. Dealer: Carsa Cannock in Cannock. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-ebf23fd09985

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

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Photos

1 photo of this car is on its AskCar page.

As of 12 November 2026, AskCar lists 596,362 cars and vans from 12,840 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.