2021 Mercedes-Benz GLC 2.0 GLC220d AMG Line Premium

Price: £20,490. Fair price: £827 (3%) under the AskCar estimate of £21,317, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,776 priced Mercedes-Benz GLC adverts on AskCar as of 9 November 2026.

AskCar lists 2,807 used Mercedes-Benz GLC from 1,176 UK dealerships, as of 9 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: GLC
  • Trim: AMG Line Premium
  • Version: 2.0 GLC220d AMG Line Premium G-Tronic+ 4WD Euro 6 (s/s) 5dr (191 bhp)
  • Year: 2021
  • Mileage: 69,800 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 191 bhp
  • Gearbox: Automatic (G-Tronic+)
  • Drive: Four-wheel drive
  • Colour: Blue
  • CO2: 144 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLC AMG Line Premium has covered 69,800 miles, around 21,600 more miles than is typical for its age. The dealer is asking £20,490, which is £827 below the AskCar estimate of £21,317. To work out the AskCar estimate, we analyse UK dealer adverts for 2,776 Mercedes-Benz GLC cars across different ages and specifications. Since we first spotted the advert 165 days ago, the asking price has dropped by £2,500. The government's MOT record matches its advertised mileage. It is for sale at S James Prestige in Stamford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £827 (3%) under the AskCar estimate of £21,317.

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 2,776 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 9 November 2026.

A 2021 Mercedes-Benz GLC with the 2.0 diesel engine is typically advertised at £24,800: the median of the 122 for sale on AskCar, as of 9 November 2026.

Time on sale

This 2021 Mercedes-Benz GLC has been on sale for at least 165 days.

Price history

AskCar first saw this advert on 28 May 2026 at £22,990. Its asking price is now £20,490, £2,500 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

  • 29 May 2026: £22,990
  • 21 June 2026: £22,490
  • 21 July 2026: £21,990
  • 21 August 2026: £21,490
  • 22 September 2026: £20,990
  • 22 October 2026: £20,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: valid until 30 April 2027.

It has had 3 MOTs. The latest, on 27 April 2026, passed.

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge; nearside rear brake disc worn, but not excessively; and 3 more.

Mileage at that test: 69,613 miles, which matches the advertised 69,800 miles.

Advertised mileage is about 21,600 miles higher than the median mileage of a 2021 Mercedes-Benz GLC on AskCar.

Similar cars

30 other 2021 Mercedes-Benz GLC AMG Line Premium 2.0 diesel automatic SUVs are for sale at UK dealers, from £18,990 to £29,990, as of 9 November 2026.

The 3 closest to this car in mileage:

  • 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black. Mileage: 71,505 miles. Price: £20,280, £210 less than this car. Dealer: Ryders of Warrington in Warrington. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-d41d8f29b9bc
  • 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, blue. Mileage: 66,143 miles. Price: £20,990, £500 more than this car. Dealer: Anchor Cars in Reading. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-24c30eb9b0a6
  • 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, grey. Mileage: 65,226 miles. Price: £21,795, £1,305 more than this car. Dealer: Fusco Vehicle Sales in Bangor. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-7c10e0cab282
  • The nearest: 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, red, under a mile from this car. Mileage: 77,400 miles. Price: £18,990, £1,500 less than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-5b51b8f567ec

Browse all Mercedes-Benz GLC cars for sale · 2021 Mercedes-Benz GLC price guide

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Photos

21 photos of this car are on its AskCar page.

As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.