2021 Mercedes-Benz GLC 2.0 GLC220d AMG Line

Overview

• Make: Mercedes-Benz
• Model: GLC
• Trim: AMG Line
• Version: 2.0 AMG Line Auto 4WD Euro 6 5dr (191 bhp)
• Year: 2021
• Mileage: 69,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 191 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Silver
• CO2: 165 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLC AMG Line is advertised with 69,000 miles, approximately 20,800 above the typical mileage for its age. The dealer is asking £20,991, which is £159 below the AskCar estimate of £21,150. 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 today. We checked its advertised mileage against the government's MOT record, and they match. The seller is Lookers Mercedes-Benz of Stafford, based in Stafford. 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: £159 (under 1%) under the AskCar estimate of £21,150.

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 today. 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 8 November 2026 at £20,991. 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 2 February 2027.

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

There were no advisories at the latest test.

Mileage at that test: 59,401 miles, which matches the advertised 69,000 miles.

Advertised mileage is about 20,800 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 8 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLC AMG Line, 2.0 diesel SUV, silver. Mileage: 67,284 miles. Price: £20,000, £991 less than this car. Dealer: Ringley Car Sales in Radcliffe. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-38e2cd5e9fa7
• 2021 Mercedes-Benz GLC AMG Line, 2.0 diesel SUV, grey. Mileage: 66,750 miles. Price: £20,950, the same price as this car. Dealer: JCT600 Volkswagen York in York. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-44aa0810a07a
• 2021 Mercedes-Benz GLC AMG Line, 2.0 diesel SUV, red. Mileage: 72,901 miles. Price: £19,498, £1,493 less than this car. Dealer: Eastern Western Motor Group Mercedes-Benz of Dunfermline in Dunfermline. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-013441ed0ebf

• The nearest: 2021 Mercedes-Benz GLC AMG Line, 2.0 diesel SUV, white, 15 miles from this car. Mileage: 27,160 miles. Price: £27,495, £6,504 more than this car. Dealer: V12 Sports & Classics Ltd - Wolverhampton in Wolverhampton. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-66a7f35e7bdf