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 Coupe (191 bhp)
• Year: 2021
• Mileage: 48,136 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 191 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Four-wheel drive
• Colour: White
• CO2: 167 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2021 Mercedes-Benz GLC AMG Line is 48,136 miles. Its asking price of £23,750 is £1,055 below the AskCar estimate of £24,805. To work out the AskCar estimate, we analyse UK dealer adverts for 2,814 Mercedes-Benz GLC cars across different ages and specifications. We first saw this car advertised 108 days ago. Its asking price has since fallen by £3,250. We checked its advertised mileage against the government's MOT record, and they match. The seller is Cotswold Group Select, based in Tewkesbury. 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: £1,055 (4%) under the AskCar estimate of £24,805.

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 108 days.

Price history

AskCar first saw this advert on 23 July 2026 at £27,000. Its asking price is now £23,750, £3,250 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 23 July 2026: £27,000
• 9 August 2026: £25,500
• 8 September 2026: £25,000
• 8 October 2026: £24,500
• 15 October 2026: £24,250
• 22 October 2026: £24,000
• 27 October 2026: £23,750

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 20 June 2027.

It has had 3 MOTs. The latest, on 8 June 2026, passed.

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge; front brake pad(s) wearing thin both brake pads, each side; front brake disc worn, but not excessively both brake discs lipped (inner & outer); and 1 more.

Mileage at that test: 46,934 miles, which matches the advertised 48,136 miles.

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, black. Mileage: 49,877 miles. Price: £27,999, £4,249 more than this car. Dealer: Stoner Motor Company in Gillingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-9a21408bb7a1
• 2021 Mercedes-Benz GLC AMG Line, 2.0 diesel SUV, black. Mileage: 44,556 miles. Price: £25,490, £1,740 more than this car. Dealer: HCL Prestige Car Supermarket in Ashford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-4fecf262819a
• 2021 Mercedes-Benz GLC AMG Line, 2.0 diesel SUV, silver. Mileage: 43,340 miles. Price: £23,104, £646 less than this car. Dealer: Lookers Mercedes-Benz of Canterbury in Canterbury. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-9cd3d68986a3

• The nearest: 2021 Mercedes-Benz GLC AMG Line, 2.0 diesel SUV, white, 41 miles from this car. Mileage: 27,160 miles. Price: £27,495, £3,745 more than this car. Dealer: V12 Sports & Classics Ltd - Wolverhampton in Wolverhampton. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-66a7f35e7bdf