2021 Mercedes-Benz GLC 2.0 AMG Line Premium

Price: £28,995. Fair price: £1,228 (4%) over the AskCar estimate of £27,767, 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 AMG Line Premium Auto 4WD Euro 6 5dr
  • Year: 2021
  • Mileage: 35,300 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: White
  • CO2: 174 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLC AMG Line Premium has covered 35,300 miles. Its asking price of £28,995 is £1,228 above the AskCar estimate of £27,767. The AskCar estimate draws on 2,814 Mercedes-Benz GLC adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 4 days. The advertised mileage is lower than the latest MOT reading of 35,924 miles. Ask the dealer to explain. Its recorded MOT is valid until 28 October 2027. The seller is Stratstone Mercedes-Benz of Chelmsford, based in Chelmsford. 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: £1,228 (4%) over the AskCar estimate of £27,767.

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

AskCar first saw this 2021 Mercedes-Benz GLC advertised 4 days ago. About half of 2021 Mercedes-Benz GLC cars are gone from sale within a month of being advertised: 120 of the 247 first advertised between 9 July 2026 and 5 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £28,995. 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 28 October 2027.

It has had 3 MOTs. The latest, on 28 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 35,924 miles. The advert says 35,300 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 12,900 miles lower 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: 32,000 miles. Price: £28,750, £245 less than this car. Dealer: Castle Motors in Liskeard. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-5c1468dbc3d1
  • 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, white. Mileage: 40,086 miles. Price: £25,399, £3,596 less than this car. Dealer: cinch in Blackburn. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-29815a1e2689
  • 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, grey. Mileage: 40,310 miles. Price: £27,100, £1,895 less than this car. Dealer: Evans Halshaw BYD Shrewsbury in Shrewsbury. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-ea79870bac22
  • The nearest: 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, silver, 11 miles from this car. Mileage: 64,712 miles. Price: £23,290, £5,705 less 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

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

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Photos

40 photos of this car are on its AskCar page.

As of 8 November 2026, AskCar lists 595,762 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.