2021 Mercedes-Benz GLC 3.0 GLC43 V6 AMG Premium Plus

Overview

• Make: Mercedes-Benz
• Model: GLC
• Trim: AMG Premium Plus
• Version: 3.0 GLC43 V6 AMG Premium Plus G-Tronic+ 4WD Euro 6 (s/s) 5dr Coupe (385 bhp)
• Year: 2021
• Mileage: 21,000 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 385 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Four-wheel drive
• Colour: Blue
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLC AMG Premium Plus is advertised with 21,000 miles, approximately 27,200 below the typical mileage for its age. The AskCar estimate for this car is £39,500. It is priced at £39,880, which is £380 above that estimate. The AskCar estimate uses UK dealer asking prices, including 2,814 Mercedes-Benz GLC adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 33 days ago, the asking price has dropped by £1,000. It is advertised by Auto100.Co.Uk in Sutton-in-Ashfield. 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: £380 (under 1%) over the AskCar estimate of £39,500.

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 3.0 petrol engine is typically advertised at £36,000: the median of the 13 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2021 Mercedes-Benz GLC has been on sale for at least 33 days.

Price history

AskCar first saw this advert on 6 October 2026 at £40,880. Its asking price is now £39,880, £1,000 less. The latest price cut was seen on 25 October 2026.

Price changes recorded:

• 6 October 2026: £40,880
• 14 October 2026: £40,480
• 20 October 2026: £39,980
• 25 October 2026: £39,480
• 30 October 2026: £39,880

Mileage and MOT

Advertised mileage is about 27,200 miles lower than the median mileage of a 2021 Mercedes-Benz GLC on AskCar.

Similar cars

9 other 2021 Mercedes-Benz GLC AMG Premium Plus 3.0 petrol automatic SUVs are for sale at UK dealers, from £29,975 to £39,995, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz GLC AMG Premium Plus, 3.0 petrol SUV, black. Mileage: 21,000 miles. Price: £39,995, £115 more than this car. Dealer: Peter Nash Specialist Cars in Southampton. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-09abbc2314aa
• 2021 Mercedes-Benz GLC AMG Premium Plus, 3.0 petrol SUV, white. Mileage: 32,042 miles. Price: £38,322, £1,558 less than this car. Dealer: Walkers Of Selby in Selby. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-fd710cbdeaf9
• 2021 Mercedes-Benz GLC AMG Premium Plus, 3.0 petrol SUV, white. Mileage: 32,856 miles. Price: £37,475, £2,405 less than this car. Dealer: The Car Co in Bury. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-15bd64fc6c30

• The nearest: 2021 Mercedes-Benz GLC AMG Premium Plus, 3.0 petrol SUV, black, 44 miles from this car. Mileage: 45,000 miles. Price: £34,949, £4,931 less than this car. Dealer: A1 Ortos in Oldham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-3937812de0dc