2021 Mercedes-Benz GLC 2.0 GLC300d AMG Line Premium Plus

Overview

• Make: Mercedes-Benz
• Model: GLC
• Trim: AMG Line Premium Plus
• Version: 2.0 GLC300d AMG Line Premium Plus G-Tronic+ 4WD Euro 6 (s/s) 5dr (242 bhp)
• Year: 2021
• Mileage: 57,300 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 242 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Four-wheel drive
• Colour: White
• CO2: 174 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 57,300 miles, this 2021 Mercedes-Benz GLC AMG Line Premium Plus has covered about 9,100 more miles than other 2021 Mercedes-Benz GLC cars. The dealer is asking £24,990, which is £72 below the AskCar estimate of £25,062. 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 82 days ago. Its asking price has since fallen by £1,000. Our latest MOT record expired on 25 July 2026. Check the current position with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at S James Prestige in Stamford. 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: £72 (under 1%) under the AskCar estimate of £25,062.

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 82 days.

Price history

AskCar first saw this advert on 18 August 2026 at £25,990. Its asking price is now £24,990, £1,000 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

• 18 August 2026: £25,990
• 22 September 2026: £25,490
• 22 October 2026: £24,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: the latest record we hold ran out on 25 July 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 14 July 2026, passed.

Advisories at the latest test: offside rear registration plate lamp inoperative in the case of multiple lamps or light sources; nearside front lower suspension arm ball joint has slight play; front brake pad(s) wearing thin; and 1 more.

Mileage at that test: 56,677 miles, which matches the advertised 57,300 miles.

Advertised mileage is about 9,100 miles higher than the median mileage of a 2021 Mercedes-Benz GLC on AskCar.

Similar cars

13 other 2021 Mercedes-Benz GLC AMG Line Premium Plus 2.0 diesel automatic SUVs are for sale at UK dealers, from £21,950 to £41,991, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLC AMG Line Premium Plus, 2.0 diesel SUV, white. Mileage: 55,590 miles. Price: £25,995, £1,005 more than this car. Dealer: Group 1 Automotive Mercedes-Benz Of Norwich in Norwich. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-758b28ed35a1
• 2021 Mercedes-Benz GLC AMG Line Premium Plus, 2.0 diesel SUV, silver. Mileage: 54,763 miles. Price: £24,750, £240 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-4fefdc35b2c9
• 2021 Mercedes-Benz GLC AMG Line Premium Plus, 2.0 diesel SUV, black. Mileage: 62,500 miles. Price: £24,495, £495 less than this car. Dealer: Hitchfields in Huddersfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-b838d2ee4794

• The nearest: 2021 Mercedes-Benz GLC AMG Line Premium Plus, 2.0 diesel SUV, red, 66 miles from this car. Mileage: 19,991 miles. Price: £41,991, £17,001 more than this car. Dealer: ASM (uk) in Redditch. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-26f675bff929