2021 Mercedes-Benz GLC 2.0 GLC300de AMG Line

Price: £21,830. Fair price: £694 (3%) under the AskCar estimate of £22,524, 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
  • Version: 2.0 13.5kWh GLC300de AMG Line G-Tronic+ 4WD Euro 6 (s/s) 5dr (302 bhp)
  • Year: 2021
  • Mileage: 57,943 miles
  • Fuel: Plug-in hybrid (diesel)
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 302 bhp
  • Gearbox: Automatic (G-Tronic+)
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 49 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLC AMG Line has covered 57,943 miles, around 9,800 more miles than is typical for its age. Its asking price of £21,830 is £694 below the AskCar estimate of £22,524. To work out the AskCar estimate, we analyse UK dealer adverts for 2,850 Mercedes-Benz GLC cars across different ages and specifications. It first appeared in our advert records 11 days ago. Its advertised mileage matches the government's MOT record. You can find this car at Prestige Cars Of Essex in Epping Forest. 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: £694 (3%) under the AskCar estimate of £22,524.

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 2021 Mercedes-Benz GLC with the 2.0 plug-in hybrid engine is typically advertised at £24,800: the median of the 127 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2021 Mercedes-Benz GLC has been on sale for at least 11 days.

Price history

AskCar first saw this advert on 27 October 2026 at £21,830. 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 7 November 2026: valid until 20 May 2027.

It has had 4 MOTs. The latest, on 13 May 2026, passed.

Advisories at the latest test: front tyre slightly damaged/cracking or perishing X2 NSF/OSF PERISHED IN TREAD. 235/55 19. ALL TYRES FROM 2022; rear tyre worn close to legal limit/worn on edge X2 NSR/OSR VERY CLOSE TO LEGAL LIMIT PERISHED AND CUTS IN TREAD. 235/55 19. MICHELIN.

Mileage at that test: 56,416 miles, which matches the advertised 57,943 miles.

Advertised mileage is about 9,800 miles higher than the median mileage of a 2021 Mercedes-Benz GLC on AskCar.

Similar cars

3 other 2021 Mercedes-Benz GLC AMG Line 2.0 plug-in hybrid automatic SUVs are for sale at UK dealers, from £18,240 to £26,999, as of 7 November 2026.

The 3 closest to this car in mileage:

  • 2021 Mercedes-Benz GLC AMG Line, 2.0 plug-in hybrid SUV, silver. Mileage: 46,682 miles. Price: £22,500, £670 more than this car. Dealer: MB Brent Park in London. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-53e30e547a49
  • 2021 Mercedes-Benz GLC AMG Line, 2.0 plug-in hybrid SUV, blue. Mileage: 76,197 miles. Price: £18,240, £3,590 less than this car. Dealer: Stratstone Mercedes-Benz of Wakefield in Wakefield. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-e1f99f847a58
  • 2021 Mercedes-Benz GLC AMG Line, 2.0 plug-in hybrid SUV, grey. Mileage: 39,352 miles. Price: £26,999, £5,169 more than this car. Dealer: Eastern Western Motor Group Western Mercedes-Benz of Coldstream in Coldstream. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-d3720f239c49

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

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Photos

12 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.