2020 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 Coupe SpdS MCT (503 bhp)
• Year: 2020
• Mileage: 50,426 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 4.0 litres, 503 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Red
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz GLC AMG S Premium Plus has covered 50,426 miles, around 3,100 fewer miles than is typical for its age. The AskCar estimate for this car is £47,669. It is priced at £46,995, which is £674 below that estimate. The AskCar estimate draws on 2,814 Mercedes-Benz GLC adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 46 days ago, the asking price has dropped by £2,000. It is advertised by Position One Motor Company in Leatherhead. 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: £674 (1%) under the AskCar estimate of £47,669.

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 2020 Mercedes-Benz GLC with the 4.0 petrol engine is typically advertised at £46,700: the median of the 14 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2020 Mercedes-Benz GLC has been on sale for at least 46 days.

Price history

AskCar first saw this advert on 23 September 2026 at £48,995. Its asking price is now £46,995, £2,000 less. The latest price cut was seen on 9 October 2026.

Price changes recorded:

• 23 September 2026: £48,995
• 3 October 2026: £47,995
• 9 October 2026: £46,995

Mileage and MOT

Advertised mileage is about 3,100 miles lower than the median mileage of a 2020 Mercedes-Benz GLC on AskCar.

Similar cars

5 other 2020 Mercedes-Benz GLC AMG S Premium Plus 4.0 petrol automatic SUVs are for sale at UK dealers, from £41,950 to £57,490, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2020 Mercedes-Benz GLC AMG S Premium Plus, 4.0 petrol SUV, silver. Mileage: 43,719 miles. Price: £46,500, £495 less than this car. Dealer: Saxtons.co.uk in Chelmsford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-f58d297a3dc6
• 2020 Mercedes-Benz GLC AMG S Premium Plus, 4.0 petrol SUV, blue. Mileage: 28,000 miles. Price: £51,995, £5,000 more than this car. Dealer: Motoplex in York. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-a399d6590bfb
• 2020 Mercedes-Benz GLC AMG S Premium Plus, 4.0 petrol SUV, green. Mileage: 77,000 miles. Price: £42,495, £4,500 less than this car. Dealer: Kaim Park Garage in Bathgate. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-78b1e96192d9

• The nearest: 2020 Mercedes-Benz GLC AMG S Premium Plus, 4.0 petrol SUV, blue, 41 miles from this car. Mileage: 83,410 miles. Price: £41,950, £5,045 less than this car. Dealer: James Richards Car Sales in Stevenage. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-9f30aca494cb