2021 Mercedes-Benz GLC 2.0 AMG Line Premium

Overview

• Make: Mercedes-Benz
• Model: GLC
• Trim: AMG Line Premium
• Version: 2.0 AMG Line Premium Auto 4WD Euro 6 5dr
• Year: 2021
• Mileage: 40,086 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 172 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 40,086 miles, this 2021 Mercedes-Benz GLC AMG Line Premium has covered about 8,100 fewer miles than other 2021 Mercedes-Benz GLC cars. The dealer is asking £25,399, which is £1,709 below the AskCar estimate of £27,108. To work out the AskCar estimate, we analyse UK dealer adverts for 2,814 Mercedes-Benz GLC cars across different ages and specifications. We have tracked this advert for 2 days. Its advertised mileage matches the government's MOT record. It is for sale at cinch in Blackburn. 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: £1,709 (6%) under the AskCar estimate of £27,108.

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 2 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 6 November 2026 at £25,399. 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 27 October 2027.

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

Advisories at the latest test: front brake disc worn, pitted or scored, but not seriously weakened; front inner brake pad(s) wearing thin; window damaged but not adversely affecting driver's view.

Mileage at that test: 39,978 miles, which matches the advertised 40,086 miles.

Advertised mileage is about 8,100 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, grey. Mileage: 40,310 miles. Price: £27,100, £1,701 more than this car. Dealer: Evans Halshaw BYD Shrewsbury in Shrewsbury. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-ea79870bac22
• 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, red. Mileage: 41,243 miles. Price: £26,549, £1,150 more than this car. Dealer: Motorpoint Glasgow in Glasgow. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-8d312a212c6d
• 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, black. Mileage: 42,796 miles. Price: £25,000, £399 less than this car. Dealer: TG Performance in Bedford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-6605b6fc2683