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: 77,000 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 4.0 litres, 503 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Green
• CO2: 280 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 77,000 miles, this 2020 Mercedes-Benz GLC AMG S Premium Plus has covered about 23,500 more miles than other 2020 Mercedes-Benz GLC cars. Its asking price of £42,495 is £3,357 above the AskCar estimate of £39,138. To work out the AskCar estimate, we analyse UK dealer adverts for 2,814 Mercedes-Benz GLC cars across different ages and specifications. We have tracked this advert for 17 days. The government's MOT record matches its advertised mileage. It is for sale at Kaim Park Garage in Bathgate. 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

Above the going rate: £3,357 (8%) over the AskCar estimate of £39,138.

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 17 days.

Price history

AskCar first saw this advert on 22 October 2026 at £42,495. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 25 August 2027.

It failed its MOT on 25 August 2026 (windscreen washer not working; windscreen damaged but not adversely affecting driver's view; offside front tyre has a bulge, caused by separation or partial failure of its structure 265/40/R21) and passed 1 day later, on 26 August 2026.

Advisories at the latest test: windscreen damaged but not adversely affecting driver's view; nearside front tyre worn close to legal limit/worn on edge 265/40/R21, 3mm tread, wear on edges; nearside rear tyre worn close to legal limit/worn on edge 295/35/R21, 3mm tread, 2 nails in tyre; and 2 more.

Mileage at that test: 76,447 miles, which matches the advertised 77,000 miles.

Advertised mileage is about 23,500 miles higher 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, blue. Mileage: 83,410 miles. Price: £41,950, £545 less than this car. Dealer: James Richards Car Sales in Stevenage. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-9f30aca494cb
• 2020 Mercedes-Benz GLC AMG S Premium Plus, 4.0 petrol SUV, red. Mileage: 50,426 miles. Price: £46,995, £4,500 more than this car. Dealer: Position One Motor Company in Leatherhead. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-4579f53e0b4a
• 2020 Mercedes-Benz GLC AMG S Premium Plus, 4.0 petrol SUV, silver. Mileage: 43,719 miles. Price: £46,500, £4,005 more than this car. Dealer: Saxtons.co.uk in Chelmsford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-f58d297a3dc6

• The nearest: 2020 Mercedes-Benz GLC AMG S Premium Plus, 4.0 petrol SUV, blue, 166 miles from this car. Mileage: 28,000 miles. Price: £51,995, £9,500 more than this car. Dealer: Motoplex in York. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-a399d6590bfb