2020 Mercedes-Benz GLC 4.0 GLC63 V8 BiTurbo AMG S Premium Plus
Price: £41,950. Above the going rate: £3,156 (8%) over the AskCar estimate of £38,794, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,814 priced Mercedes-Benz GLC adverts on AskCar as of 8 November 2026.
AskCar lists 2,918 used Mercedes-Benz GLC from 1,187 UK dealerships, as of 8 November 2026.
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: 83,410 miles
- Fuel: Petrol
- Body: SUV, 5 doors, 5 seats
- Engine: 4.0 litres, 503 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Blue
- CO2: 277 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 83,410 miles on the clock, this 2020 Mercedes-Benz GLC AMG S Premium Plus has done roughly 29,900 more miles than a typical 2020 Mercedes-Benz GLC. Its asking price of £41,950 is £3,156 above the AskCar estimate of £38,794. 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 car for sale 164 days ago. Its advertised mileage matches the government's MOT record. It is advertised by James Richards Car Sales in Stevenage. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Above the going rate: £3,156 (8%) over the AskCar estimate of £38,794.
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 164 days.
Price history
AskCar first saw this advert on 28 May 2026 at £39,995. Its asking price is now £41,950, £1,955 more.
Price changes recorded:
- 28 May 2026: £39,995
- 8 July 2026: £39,495
- 18 July 2026: £38,950
- 5 August 2026: £38,495
- 11 August 2026: £38,295
- 22 August 2026: £37,950
- 28 August 2026: £37,750
- 30 September 2026: £37,495
- 6 October 2026: £37,095
- 9 October 2026: £36,949
- 17 October 2026: £36,950
- 1 November 2026: £41,950
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 1 March 2027.
It has had 4 MOTs. The latest, on 2 March 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 83,226 miles, which matches the advertised 83,410 miles.
Advertised mileage is about 29,900 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 £42,495 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, green. Mileage: 77,000 miles. Price: £42,495, £545 more than this car. Dealer: Kaim Park Garage in Bathgate. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-78b1e96192d9
- 2020 Mercedes-Benz GLC AMG S Premium Plus, 4.0 petrol SUV, red. Mileage: 50,426 miles. Price: £46,995, £5,045 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, £4,550 more than this car. Dealer: Saxtons.co.uk in Chelmsford. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-f58d297a3dc6
Browse all Mercedes-Benz GLC cars for sale · 2020 Mercedes-Benz GLC price guide
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Photos
50 photos of this car are on its AskCar page.
As of 8 November 2026, AskCar lists 595,762 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.