2021 Mercedes-Benz GLC 2.0 GLC220d AMG Line

Overview

• Make: Mercedes-Benz
• Model: GLC
• Trim: AMG Line
• Version: 2.0 GLC220d AMG Line G-Tronic+ 4WD Euro 6 (s/s) 5dr (191 bhp)
• Year: 2021
• Mileage: 79,000 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 191 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 140 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLC AMG Line is advertised with 79,000 miles, approximately 30,800 above the typical mileage for its age. The dealer is asking £18,490, which is £1,067 below the AskCar estimate of £19,557. 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 8 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at LVMC in Ongar. 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: £1,067 (5%) under the AskCar estimate of £19,557.

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

This 2021 Mercedes-Benz GLC has been on sale for at least 8 days.

Price history

AskCar first saw this advert on 31 October 2026 at £18,490. 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 8 November 2026: valid until 7 February 2027.

It failed its MOT on 22 January 2026 (nearside headlamp aim too low; offside headlamp aim too low) and passed later the same day.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; front inner brake pad(s) wearing thin.

Mileage at that test: 66,728 miles, which matches the advertised 79,000 miles.

Advertised mileage is about 30,800 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 £18,995 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: 81,450 miles. Price: £20,950, £2,460 more than this car. Dealer: Prestige Sales and Consultancy in Bury St Edmunds. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-6429cb4e1847
• 2021 Mercedes-Benz GLC AMG Line, 2.0 diesel SUV, red. Mileage: 72,901 miles. Price: £19,498, £1,008 more 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
• 2021 Mercedes-Benz GLC AMG Line, 2.0 diesel SUV, silver. Mileage: 69,000 miles. Price: £20,991, £2,501 more than this car. Dealer: Lookers Mercedes-Benz of Stafford in Stafford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-c19501262a23

• The nearest: 2021 Mercedes-Benz GLC AMG Line, 2.0 diesel SUV, black, 25 miles from this car. Mileage: 49,877 miles. Price: £27,999, £9,509 more than this car. Dealer: Stoner Motor Company in Gillingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-9a21408bb7a1