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 SpdS MCT (503 bhp)
• Year: 2020
• Mileage: 28,000 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 4.0 litres, 503 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 296 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz GLC AMG S Premium Plus is advertised with 28,000 miles, approximately 25,500 below the typical mileage for its age. The dealer is asking £51,995, which is £567 above the AskCar estimate of £51,428. 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 recorded this advert 15 days ago, and its asking price has since fallen by £1,000. Our records show an MOT expiry date of 30 October 2026, which has passed. Ask the dealer for an update. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Motoplex in York. 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: £567 (1%) over the AskCar estimate of £51,428.

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 15 days.

Price history

AskCar first saw this advert on 24 October 2026 at £52,995. Its asking price is now £51,995, £1,000 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 24 October 2026: £52,995
• 31 October 2026: £51,995

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 30 October 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 13 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 22,565 miles, which matches the advertised 28,000 miles.

Advertised mileage is about 25,500 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, black. Mileage: 15,000 miles. Price: £57,490, £5,495 more than this car. Dealer: Tiley of Bristol in Bristol. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-8768765b906e
• 2020 Mercedes-Benz GLC AMG S Premium Plus, 4.0 petrol SUV, silver. Mileage: 43,719 miles. Price: £46,500, £5,495 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, red. Mileage: 50,426 miles. Price: £46,995, £5,000 less than this car. Dealer: Position One Motor Company in Leatherhead. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-4579f53e0b4a

• The nearest: 2020 Mercedes-Benz GLC AMG S Premium Plus, 4.0 petrol SUV, blue, 149 miles from this car. Mileage: 83,410 miles. Price: £41,950, £10,045 less than this car. Dealer: James Richards Car Sales in Stevenage. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-9f30aca494cb