2021 Mercedes-Benz GLC 2.0 GLC300de AMG Line Premium

Overview

• Make: Mercedes-Benz
• Model: GLC
• Trim: AMG Line Premium
• Version: 2.0 13.5kWh GLC300de AMG Line Premium G-Tronic+ 4WD Euro 6 (s/s) 5dr (302 bhp)
• Year: 2021
• Mileage: 42,600 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: Grey
• CO2: 47 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLC AMG Line Premium has covered 42,600 miles, around 5,400 fewer miles than is typical for its age. The dealer is asking £24,500, which is £735 below the AskCar estimate of £25,235. To work out the AskCar estimate, we analyse UK dealer adverts for 2,851 Mercedes-Benz GLC cars across different ages and specifications. We have tracked this advert today. The government's MOT record matches its advertised mileage. It is for sale at Troon Cars in Leicester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 12 November 2026.

How we estimate prices and check cars

Price

Fair price: £735 (2%) under the AskCar estimate of £25,235.

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 2,851 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 12 November 2026.

A 2021 Mercedes-Benz GLC with the 2.0 plug-in hybrid engine is typically advertised at £24,600: the median of the 119 for sale on AskCar, as of 12 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: 124 of the 251 first advertised between 13 July 2026 and 9 October 2026.

Price history

AskCar first saw this advert on 12 November 2026 at £24,500. 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 12 November 2026: valid until 29 October 2027.

It has had 4 MOTs. The latest, on 27 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 42,318 miles, which matches the advertised 42,600 miles.

Advertised mileage is about 5,400 miles lower than the median mileage of a 2021 Mercedes-Benz GLC on AskCar.

Similar cars

10 other 2021 Mercedes-Benz GLC AMG Line Premium 2.0 plug-in hybrid automatic SUVs are for sale at UK dealers, from £19,495 to £26,995, as of 12 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 plug-in hybrid SUV, blue. Mileage: 43,623 miles. Price: £25,260, £760 more than this car. Dealer: Hippo Approved in Blackburn. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-afb38ee8e560
• 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 plug-in hybrid SUV, blue. Mileage: 44,467 miles. Price: £26,995, £2,495 more than this car. Dealer: Dales Select in Kelbrook. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-e1eda0d95d41
• 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 plug-in hybrid SUV, black. Mileage: 39,432 miles. Price: £25,260, £760 more than this car. Dealer: Stratstone Mercedes-Benz of Ipswich in Ipswich. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-af1087e7e443

• The nearest: 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 plug-in hybrid SUV, grey, 27 miles from this car. Mileage: 49,250 miles. Price: £23,490, £1,010 less than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-2cbd51fe4f5a