2020 Mercedes-Benz GLC 2.0 GLC300d AMG Line Premium Plus

Price: £20,960. Fair price: £867 (4%) over the AskCar estimate of £20,093, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,850 priced Mercedes-Benz GLC adverts on AskCar as of 7 November 2026.

AskCar lists 2,954 used Mercedes-Benz GLC from 1,193 UK dealerships, as of 7 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: GLC
  • Trim: AMG Line Premium Plus
  • Version: 2.0 GLC300d AMG Line Premium Plus G-Tronic+ 4WD Euro 6 (s/s) 5dr (242 bhp)
  • Year: 2020
  • Mileage: 89,000 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 242 bhp
  • Gearbox: Automatic (G-Tronic+)
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 174 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz GLC AMG Line Premium Plus is advertised with 89,000 miles, approximately 35,400 above the typical mileage for its age. The AskCar estimate for this car is £20,093. It is priced at £20,960, which is £867 above that estimate. The AskCar estimate uses 2,850 UK dealer adverts for the Mercedes-Benz GLC, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 29 days ago. Its asking price has since fallen by £980. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Dace Specialist Car Centre Manchester - Trading Standards Approved, based in Manchester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £867 (4%) over the AskCar estimate of £20,093.

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 2,850 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 7 November 2026.

A 2020 Mercedes-Benz GLC with the 2.0 diesel engine is typically advertised at £22,000: the median of the 212 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2020 Mercedes-Benz GLC has been on sale for at least 29 days.

Price history

AskCar first saw this advert on 9 October 2026 at £21,940. Its asking price is now £20,960, £980 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

  • 9 October 2026: £21,940
  • 16 October 2026: £21,470
  • 5 November 2026: £20,960

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 31 August 2027.

It has had 4 MOTs. The latest, on 14 August 2026, passed.

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge; nearside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 87,758 miles, which matches the advertised 89,000 miles.

Advertised mileage is about 35,400 miles higher than the median mileage of a 2020 Mercedes-Benz GLC on AskCar.

Similar cars

21 other 2020 Mercedes-Benz GLC AMG Line Premium Plus 2.0 diesel automatic SUVs are for sale at UK dealers, from £19,195 to £30,475, as of 7 November 2026.

The 3 closest to this car in mileage:

  • 2020 Mercedes-Benz GLC AMG Line Premium Plus, 2.0 diesel SUV, silver. Mileage: 90,407 miles. Price: £19,900, £1,060 less than this car. Dealer: Stage 1 Motors in Knaresborough. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-53070295d224
  • 2020 Mercedes-Benz GLC AMG Line Premium Plus, 2.0 diesel SUV, blue. Mileage: 93,000 miles. Price: £21,509, £549 more than this car. Dealer: FM Motor Co in Wembley. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-748bdddb666d
  • 2020 Mercedes-Benz GLC AMG Line Premium Plus, 2.0 diesel SUV, white. Mileage: 81,400 miles. Price: £20,295, £665 less than this car. Dealer: 1st Choice Motors in London. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-e4a08786c6a1
  • The nearest: 2020 Mercedes-Benz GLC AMG Line Premium Plus, 2.0 diesel SUV, red, 8 miles from this car. Mileage: 72,292 miles. Price: £20,791, £169 less than this car. Dealer: Swansway Garages Swansway Honda Bolton in Bolton. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-c47d1561ace2

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

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Photos

66 photos of this car are on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.