2021 Mercedes-Benz GLC 2.0 GLC300d AMG Line Premium

Price: £22,995. Fair price: £1,056 (4%) under the AskCar estimate of £24,051, 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 (242 bhp)
  • Year: 2021
  • Mileage: 62,000 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: 172 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLC AMG Line Premium is advertised with 62,000 miles, approximately 13,800 above the typical mileage for its age. Its asking price of £22,995 is £1,056 below the AskCar estimate of £24,051. To work out the AskCar estimate, we analyse UK dealer adverts for 2,814 Mercedes-Benz GLC cars across different ages and specifications. This car was first seen in our listings data 86 days ago. Its advertised mileage matches the government's MOT record. It is for sale at Metro Cars London in Chesham. 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: £1,056 (4%) under the AskCar estimate of £24,051.

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 2021 Mercedes-Benz GLC with the 2.0 diesel engine is typically advertised at £24,800: the median of the 126 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2021 Mercedes-Benz GLC has been on sale for at least 86 days.

Price history

AskCar first saw this advert on 14 August 2026 at £22,995. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 1 March 2027.

It has had 5 MOTs. The latest, on 17 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 62,236 miles, which matches the advertised 62,000 miles.

Advertised mileage is about 13,800 miles higher than the median mileage of a 2021 Mercedes-Benz GLC on AskCar.

Similar cars

31 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 8 November 2026.

The 3 closest to this car in mileage:

  • 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black. Mileage: 61,928 miles. Price: £22,000, £995 less than this car. Dealer: Redgate Lodge in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-86b69aa59802
  • 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black. Mileage: 61,140 miles. Price: £22,950, the same price as this car. Dealer: Islington Motor Group Bath MG & Suzuki in Bath. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-c031bf83037b
  • 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, silver. Mileage: 64,712 miles. Price: £23,290, £295 more than this car. Dealer: Stratstone Mercedes-Benz of Southend in Thundersley and South Benfleet. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-e0ef38864c1d
  • The nearest: 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black, 13 miles from this car. Mileage: 50,177 miles. Price: £25,995, £3,000 more than this car. Dealer: A1 Auto Solutions in Maidenhead. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-75a84fcfa062

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

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Photos

28 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.