2021 Mercedes-Benz S Class 3.0 S500Lh MHEV AMG Line Premium Plus Executive

Price: £54,950. Fair price: £4,476 (7%) under the AskCar estimate of £59,426, our expected asking price for this car from its model, age, mileage and specification, drawing on 570 priced Mercedes-Benz S Class adverts on AskCar as of 8 November 2026.

AskCar lists 640 used Mercedes-Benz S Class from 449 UK dealerships, as of 8 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: S Class
  • Trim: AMG Line Premium Plus Executive
  • Version: 3.0 S500Lh Mhev AMG Line AMG Line Premium Plus Executive G-Tronic+ 4WD Euro 6 (s/s) 4dr (Premium Plus, Executive) (429 bhp)
  • Year: 2021
  • Mileage: 65,000 miles
  • Fuel: Petrol, mild hybrid
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 3.0 litres, 429 bhp
  • Gearbox: Automatic (G-Tronic+)
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 204 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 65,000 miles, this 2021 Mercedes-Benz S Class AMG Line Premium Plus Executive has covered about 22,100 more miles than other 2021 Mercedes-Benz S Class cars. The AskCar estimate for this car is £59,426. It is priced at £54,950, which is £4,476 below that estimate. The AskCar estimate uses 570 UK dealer adverts for the Mercedes-Benz S Class, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. You can find this car at Carbon Collection in Sheffield. 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: £4,476 (7%) under the AskCar estimate of £59,426.

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 570 priced Mercedes-Benz S Class adverts across different ages and specifications, as of 8 November 2026.

A 2021 Mercedes-Benz S Class with the 3.0 petrol engine is typically advertised at £54,900: the median of the 17 for sale on AskCar, as of 8 November 2026.

Time on sale

AskCar first saw this 2021 Mercedes-Benz S Class advertised today.

Price history

AskCar first saw this advert on 8 November 2026 at £54,950. 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 13 April 2027.

It has had 3 MOTs. The latest, on 14 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 56,938 miles, which matches the advertised 65,000 miles.

Advertised mileage is about 22,100 miles higher than the median mileage of a 2021 Mercedes-Benz S Class on AskCar.

Similar cars

5 other 2021 Mercedes-Benz S Class AMG Line Premium Plus Executive 3.0 petrol automatic saloons are for sale at UK dealers, from £50,000 to £62,450, as of 8 November 2026.

The 3 closest to this car in mileage:

  • The nearest: 2021 Mercedes-Benz S Class AMG Line Premium Plus Executive, 3.0 petrol saloon, black, 96 miles from this car. Mileage: 86,362 miles. Price: £54,995, the same price as this car. Dealer: NSA Motor Vehicles in Milton Keynes. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2021-b5adb55b09b7

Browse all Mercedes-Benz S Class cars for sale · 2021 Mercedes-Benz S Class price guide

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Photos

69 photos of this car are on its AskCar page.

As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.