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

Price: £52,989. Fair price: £2,603 (4%) under the AskCar estimate of £55,592, 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: 74,127 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 74,127 miles, this 2021 Mercedes-Benz S Class AMG Line Premium Plus Executive has covered about 31,200 more miles than other 2021 Mercedes-Benz S Class cars. Its asking price of £52,989 is £2,603 below the AskCar estimate of £55,592. The AskCar estimate uses UK dealer asking prices, including 570 Mercedes-Benz S Class adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 30 days ago. Its asking price has since fallen by £2,000. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Stirling Cars in Hoddesdon. 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: £2,603 (4%) under the AskCar estimate of £55,592.

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

This 2021 Mercedes-Benz S Class has been on sale for at least 30 days.

Price history

AskCar first saw this advert on 9 October 2026 at £54,989. Its asking price is now £52,989, £2,000 less. The latest price cut was seen on 19 October 2026.

Price changes recorded:

  • 9 October 2026: £54,989
  • 16 October 2026: £53,989
  • 19 October 2026: £52,989

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 9 January 2027.

It has had 8 MOTs. The latest, on 10 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 67,561 miles, which matches the advertised 74,127 miles.

Advertised mileage is about 31,200 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:

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

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Photos

49 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.