2020 Mercedes-Benz GLC 4.0 GLC63 V8 BiTurbo AMG S

Overview

• Make: Mercedes-Benz
• Model: GLC
• Trim: AMG S
• Version: 4.0 GLC63 V8 BiTurbo AMG S Auto 4WD Euro 6 (s/s) 5dr SpdS MCT (503 bhp)
• Year: 2020
• Mileage: 38,000 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 4.0 litres, 503 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Silver
• CO2: 293 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 38,000 miles on the clock, this 2020 Mercedes-Benz GLC AMG S has done roughly 15,500 fewer miles than a typical 2020 Mercedes-Benz GLC. The AskCar estimate for this car is £46,726. It is priced at £46,999, which is £273 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 2,814 Mercedes-Benz GLC cars across different ages and specifications. Since we first spotted the advert 94 days ago, the asking price has dropped by £4,500. Our latest MOT record expired on 17 January 2026. Check the current position with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Rp Motor Sales, based in Stoke-on-Trent. 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: £273 (under 1%) over the AskCar estimate of £46,726.

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 94 days.

Price history

AskCar first saw this advert on 6 August 2026 at £51,499. Its asking price is now £46,999, £4,500 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

• 6 August 2026: £51,499
• 11 August 2026: £49,999
• 17 August 2026: £49,499
• 24 August 2026: £48,999
• 11 September 2026: £47,999
• 23 September 2026: £47,199
• 7 November 2026: £46,999

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 17 January 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 18 January 2025, passed.

Advisories at the latest test: front brake pad(s) wearing thin.

Mileage at that test: 30,508 miles, which matches the advertised 38,000 miles.

Advertised mileage is about 15,500 miles lower than the median mileage of a 2020 Mercedes-Benz GLC on AskCar.

Similar cars

2 other 2020 Mercedes-Benz GLC AMG S 4.0 petrol automatic SUVs are for sale at UK dealers, from £47,795 to £65,990, as of 8 November 2026.

The 2 closest to this car in mileage:

• 2020 Mercedes-Benz GLC AMG S, 4.0 petrol SUV, black. Mileage: 23,503 miles. Price: £47,795, £796 more than this car. Dealer: Hamptons of Surrey in Farnham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-58be00762db1
• 2020 Mercedes-Benz GLC AMG S, 4.0 petrol SUV, other. Mileage: 20,000 miles. Price: £65,990, £18,991 more than this car. Dealer: 51 X in Birmingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glc-2020-bed6a49a157d