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: 66,031 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 159 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLC AMG Line Premium has covered 66,031 miles, around 18,000 more miles than is typical for its age. Priced at £21,211, it is advertised £2,050 below the AskCar estimate of £23,261. To work out the AskCar estimate, we analyse UK dealer adverts for 2,851 Mercedes-Benz GLC cars across different ages and specifications. Since we first spotted the advert 69 days ago, the asking price has dropped by £1,479. We checked its advertised mileage against the government's MOT record, and they match. The seller is D. M. Keith BYD Hull, based in Hull. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 12 November 2026.

How we estimate prices and check cars

Price

Good value: £2,050 (8%) under the AskCar estimate of £23,261.

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 2,851 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 12 November 2026.

A 2021 Mercedes-Benz GLC with the 2.0 diesel engine is typically advertised at £24,600: the median of the 119 for sale on AskCar, as of 12 November 2026.

Time on sale

This 2021 Mercedes-Benz GLC has been on sale for at least 69 days.

Price history

AskCar first saw this advert on 4 September 2026 at £22,690. Its asking price is now £21,211, £1,479 less. The latest price cut was seen on 9 October 2026.

Price changes recorded:

• 4 September 2026: £22,690
• 8 September 2026: £22,464
• 9 September 2026: £22,444
• 10 September 2026: £22,419
• 11 September 2026: £22,383
• 12 September 2026: £22,364
• 15 September 2026: £22,290
• 16 September 2026: £21,828
• 24 September 2026: £21,784
• 1 October 2026: £21,331
• 9 October 2026: £21,211

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 12 November 2026: valid until 20 February 2027.

It has had 3 MOTs. The latest, on 21 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 58,911 miles, which matches the advertised 66,031 miles.

Advertised mileage is about 18,000 miles higher than the median mileage of a 2021 Mercedes-Benz GLC on AskCar.

Similar cars

28 other 2021 Mercedes-Benz GLC AMG Line Premium 2.0 diesel automatic SUVs are for sale at UK dealers, from £19,197 to £29,990, as of 12 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, grey. Mileage: 65,226 miles. Price: £21,795, £584 more than this car. Dealer: Fusco Vehicle Sales in Bangor. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-7c10e0cab282
• 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, silver. Mileage: 64,712 miles. Price: £22,990, £1,779 more than this car. Dealer: Stratstone Mercedes-Benz of Southend in Thundersley and South Benfleet. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-e0ef38864c1d
• 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, blue. Mileage: 69,800 miles. Price: £20,490, £721 less than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-0f710870420d

• The nearest: 2021 Mercedes-Benz GLC AMG Line Premium, 2.0 diesel SUV, grey, 3 miles from this car. Mileage: 54,534 miles. Price: £25,690, £4,479 more than this car. Dealer: ProSportsCars in Kingston upon Hull. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-c07da0c844fa