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: 55,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 172 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 55,000 miles on the clock, this 2021 Mercedes-Benz GLC AMG Line Premium has done roughly 6,800 more miles than a typical 2021 Mercedes-Benz GLC. Priced at £24,490, it is advertised £659 below the AskCar estimate of £25,149. The AskCar estimate uses 2,918 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 1 day ago. Its advertised mileage matches the government's MOT record. It is for sale at Stratstone Mercedes-Benz of Lakeside in West Thurrock. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £659 (2%) under the AskCar estimate of £25,149.

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 2,918 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 6 November 2026.

A 2021 Mercedes-Benz GLC with the 2.0 diesel engine is typically advertised at £24,900: the median of the 127 for sale on AskCar, as of 6 November 2026.

Time on sale

AskCar first saw this 2021 Mercedes-Benz GLC advertised 1 day ago. About half of 2021 Mercedes-Benz GLC cars are gone from sale within a month of being advertised: 120 of the 245 first advertised between 9 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 5 November 2026 at £24,490. 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 6 November 2026: valid until 11 October 2027.

It failed its MOT on 12 October 2026 (nearside rear tyre has a tear, caused by separation or partial failure of its structure; front windscreen damaged but not adversely affecting driver's view screen chip) and passed later the same day.

Advisories at the latest test: rear brake disc worn, but not excessively; front windscreen damaged but not adversely affecting driver's view screen chip.

Mileage at that test: 55,369 miles, which matches the advertised 55,000 miles.

Advertised mileage is about 6,800 miles higher than the median mileage of a 2021 Mercedes-Benz GLC on AskCar.

Similar cars

32 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 6 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, grey. Mileage: 54,534 miles. Price: £25,690, £1,200 more than this car. Dealer: ProSportsCars in Kingston upon Hull. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-c07da0c844fa
• 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, silver. Mileage: 58,363 miles. Price: £21,499, £2,991 less than this car. Dealer: Lookers Car Hub Star City in Birmingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-046f7e0e31bd
• 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, grey. Mileage: 51,530 miles. Price: £23,195, £1,295 less than this car. Dealer: V12 Sports & Classics Ltd - Stoke-On-Trent in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-156aa5e38380

• The nearest: 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, grey, 9 miles from this car. Mileage: 50,000 miles. Price: £23,495, £995 less than this car. Dealer: Amanah Prestige in Barking and Dagenham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-d2a2d78c7f66