2021 Mercedes-Benz GLC 2.0 GLC300de AMG Line
Price: £26,999. Fair price: £936 (3%) over the AskCar estimate of £26,063, 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
- Version: 2.0 AMG Line Auto 4WD Euro 6 5dr (302 bhp)
- Year: 2021
- Mileage: 39,352 miles
- Fuel: Plug-in hybrid (diesel)
- Body: SUV, 5 doors, 5 seats
- Engine: 2.0 litres, 302 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Grey
- CO2: 50 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 39,352 miles on the clock, this 2021 Mercedes-Benz GLC AMG Line has done roughly 8,800 fewer miles than a typical 2021 Mercedes-Benz GLC. The dealer is asking £26,999, which is £936 above the AskCar estimate of £26,063. To work out the AskCar estimate, we analyse UK dealer adverts for 2,814 Mercedes-Benz GLC cars across different ages and specifications. It first appeared in our advert records 19 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Eastern Western Motor Group Western Mercedes-Benz of Coldstream, based in Coldstream. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Fair price: £936 (3%) over the AskCar estimate of £26,063.
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 plug-in hybrid 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 19 days.
Price history
AskCar first saw this advert on 20 October 2026 at £26,999. 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 29 January 2027.
It has had 3 MOTs. The latest, on 26 January 2026, passed.
Advisories at the latest test: nearside front brake disc worn, pitted or scored, but not seriously weakened pitted on inner side; offside front brake disc worn, pitted or scored, but not seriously weakened pitted on inner side; offside front lower suspension arm ball joint has slight play spring link arm; and 1 more.
Mileage at that test: 35,980 miles, which matches the advertised 39,352 miles.
Advertised mileage is about 8,800 miles lower 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 £22,500, as of 8 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, £4,499 less 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, black. Mileage: 57,943 miles. Price: £21,830, £5,169 less than this car. Dealer: Prestige Cars Of Essex in Harlow. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-e4d69e14a50f
- 2021 Mercedes-Benz GLC AMG Line, 2.0 plug-in hybrid SUV, blue. Mileage: 76,197 miles. Price: £18,240, £8,759 less than this car. Dealer: Stratstone Mercedes-Benz of Wakefield in Wakefield. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-e1f99f847a58
Browse all Mercedes-Benz GLC cars for sale · 2021 Mercedes-Benz GLC price guide
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Photos
49 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.