2020 Mercedes-Benz S Class 4.0 S63 V8 BiTurbo AMG S
Price: £70,000. Fair price: £2,806 (4%) over the AskCar estimate of £67,194, our expected asking price for this car from its model, age, mileage and specification, drawing on 568 priced Mercedes-Benz S Class adverts on AskCar as of 9 November 2026.
AskCar lists 634 used Mercedes-Benz S Class from 444 UK dealerships, as of 9 November 2026.
Overview
- Make: Mercedes-Benz
- Model: S Class
- Trim: AMG S
- Version: 4.0 S63 V8 BiTurbo AMG S Auto RWD Euro 6 (s/s) 2dr SpdS MCT (604 bhp)
- Year: 2020
- Mileage: 29,991 miles
- Fuel: Petrol
- Body: Coupe, 2 doors, 4 seats
- Engine: 4.0 litres, 604 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Black
- CO2: 231 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2020 Mercedes-Benz S Class AMG S is advertised with 29,991 miles, approximately 47,700 below the typical mileage for its age. The dealer is asking £70,000, which is £2,806 above the AskCar estimate of £67,194. To work out the AskCar estimate, we analyse UK dealer adverts for 568 Mercedes-Benz S Class cars across different ages and specifications. We have tracked this advert for 119 days. The recorded MOT expired on 17 March 2026, so ask the dealer whether it has been renewed. Its advertised mileage matches the government's MOT record. It is for sale at MB Brent Park in London. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 9 November 2026.
MB Brent Park is rated 4.6 out of 5 on Google.
Price
Fair price: £2,806 (4%) over the AskCar estimate of £67,194.
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 568 priced Mercedes-Benz S Class adverts across different ages and specifications, as of 9 November 2026.
Time on sale
This 2020 Mercedes-Benz S Class has been on sale for at least 119 days.
Price history
AskCar first saw this advert on 13 July 2026 at £70,000. 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 9 November 2026: the latest record we hold ran out on 17 March 2026; ask the dealer for the current MOT.
It has had 3 MOTs. The latest, on 4 March 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 29,417 miles, which matches the advertised 29,991 miles.
Advertised mileage is about 47,700 miles lower than the median mileage of a 2020 Mercedes-Benz S Class on AskCar.
Browse all Mercedes-Benz S Class cars for sale · 2020 Mercedes-Benz S Class price guide
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Photos
19 photos of this car are on its AskCar page.
As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.