2021 Mercedes-Benz GLC 2.0 GLC220d AMG Line

Price: £22,450. Fair price: £480 (2%) under the AskCar estimate of £22,930, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,852 priced Mercedes-Benz GLC adverts on AskCar as of 10 November 2026.

AskCar lists 2,886 used Mercedes-Benz GLC from 1,190 UK dealerships, as of 10 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: GLC
  • Trim: AMG Line
  • Version: 2.0 GLC220d AMG Line G-Tronic+ 4WD Euro 6 (s/s) 5dr (191 bhp)
  • Year: 2021
  • Mileage: 52,000 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: 140 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLC AMG Line is advertised with 52,000 miles, approximately 3,400 above the typical mileage for its age. Priced at £22,450, it is advertised £480 below the AskCar estimate of £22,930. The AskCar estimate uses 2,852 UK dealer adverts for the Mercedes-Benz GLC, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Ucar (NI) Ucar in Ballymena. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Ucar (NI) Ucar is rated 5.0 out of 5 on Google.

Price

Fair price: £480 (2%) under the AskCar estimate of £22,930.

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 2,852 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 10 November 2026.

A 2021 Mercedes-Benz GLC with the 2.0 diesel engine is typically advertised at £24,800: the median of the 124 for sale on AskCar, as of 10 November 2026.

Time on sale

AskCar first saw this 2021 Mercedes-Benz GLC advertised today. About half of 2021 Mercedes-Benz GLC cars are gone from sale within a month of being advertised: 122 of the 251 first advertised between 10 July 2026 and 7 October 2026.

Price history

AskCar first saw this advert on 10 November 2026 at £22,450. 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 10 November 2026: valid until 7 October 2027.

It has had 3 MOTs. The latest, on 30 September 2026, passed.

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

Mileage at that test: 51,745 miles, which matches the advertised 52,000 miles.

Advertised mileage is about 3,400 miles higher than the median mileage of a 2021 Mercedes-Benz GLC on AskCar.

Similar cars

14 other 2021 Mercedes-Benz GLC AMG Line 2.0 diesel automatic SUVs are for sale at UK dealers, from £18,490 to £27,999, as of 10 November 2026.

The 3 closest to this car in mileage:

  • 2021 Mercedes-Benz GLC AMG Line, 2.0 diesel SUV, black. Mileage: 49,877 miles. Price: £27,999, £5,549 more than this car. Dealer: Stoner Motor Company in Gillingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-9a21408bb7a1
  • 2021 Mercedes-Benz GLC AMG Line, 2.0 diesel SUV, white. Mileage: 48,136 miles. Price: £23,500, £1,050 more than this car. Dealer: Cotswold Group Select in Tewkesbury. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-38eda01c507b
  • 2021 Mercedes-Benz GLC AMG Line, 2.0 diesel SUV, grey. Mileage: 57,593 miles. Price: £20,447, £2,003 less than this car. Dealer: Endeavour Automotive in Letchworth. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-b7e3898d6502
  • The nearest: 2021 Mercedes-Benz GLC AMG Line, 2.0 diesel SUV, blue, 16 miles from this car. Mileage: 89,497 miles. Price: £18,995, £3,455 less than this car. Dealer: Ilex Car Sales in Limavady. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-cccbf6a27035

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

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Photos

19 photos of this car are on its AskCar page.

As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.