2021 Mercedes-Benz GLC 4.0 GLC63 V8 BiTurbo AMG S Premium Plus

Overview

• Make: Mercedes-Benz
• Model: GLC
• Trim: AMG S Premium Plus
• Version: 4.0 GLC63 V8 BiTurbo AMG S Premium Plus Auto 4WD Euro 6 (s/s) 5dr SpdS MCT (503 bhp)
• Year: 2021
• Mileage: 19,989 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 4.0 litres, 503 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Red
• CO2: 295 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 19,989 miles on the clock, this 2021 Mercedes-Benz GLC AMG S Premium Plus has done roughly 28,200 fewer miles than a typical 2021 Mercedes-Benz GLC. Its asking price of £52,990 is £192 above the AskCar estimate of £52,798. 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. This car was first seen in our listings data today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is G C Motors, based in Harrogate. 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: £192 (under 1%) over the AskCar estimate of £52,798.

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.

Time on sale

AskCar first saw this 2021 Mercedes-Benz GLC advertised today. About half of 2021 Mercedes-Benz GLC cars are gone from sale within a month of being advertised: 120 of the 247 first advertised between 9 July 2026 and 5 October 2026.

Price history

AskCar first saw this advert on 8 November 2026 at £52,990. Its asking price has not changed.

Mileage and MOT

It has had 4 MOTs. The latest, on 7 April 2026, passed.

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 19,229 miles, which matches the advertised 19,989 miles.

Advertised mileage is about 28,200 miles lower than the median mileage of a 2021 Mercedes-Benz GLC on AskCar.

Similar cars

2 other 2021 Mercedes-Benz GLC AMG S Premium Plus 4.0 petrol automatic SUVs are for sale at UK dealers, from £44,989 to £46,480, as of 8 November 2026.

The 2 closest to this car in mileage:

• 2021 Mercedes-Benz GLC AMG S Premium Plus, 4.0 petrol SUV, grey. Mileage: 46,000 miles. Price: £46,480, £6,510 less than this car. Dealer: Auto100.Co.Uk in Sutton in Ashfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-3b035c786b28
• 2021 Mercedes-Benz GLC AMG S Premium Plus, 4.0 petrol SUV, grey. Mileage: 52,000 miles. Price: £44,989, £8,001 less than this car. Dealer: Blackstone Motors in Brent. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2021-6c13c8247121