2021 Mercedes-Benz S Class 3.0 S500h MHEV AMG Line Premium

Overview

• Make: Mercedes-Benz
• Model: S Class
• Trim: AMG Line Premium
• Version: 3.0 S500h Mhev AMG Line Premium G-Tronic+ 4WD Euro 6 (s/s) 4dr (429 bhp)
• Year: 2021
• Mileage: 25,491 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: Silver
• CO2: 196 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 25,491 miles on the clock, this 2021 Mercedes-Benz S Class AMG Line Premium has done roughly 17,100 fewer miles than a typical 2021 Mercedes-Benz S Class. Priced at £54,885, it is advertised £6,065 below the AskCar estimate of £60,950. The AskCar estimate uses 568 UK dealer adverts for the Mercedes-Benz S Class, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 94 days ago. Its asking price has since fallen by £5,100. The latest recorded MOT expiry date is 12 September 2026, which has passed. Confirm its status with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is JCT600 Volkswagen Sheffield, based in Sheffield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Good value: £6,065 (9%) under the AskCar estimate of £60,950.

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 7 November 2026.

A 2021 Mercedes-Benz S Class with the 3.0 petrol engine is typically advertised at £53,900: the median of the 16 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2021 Mercedes-Benz S Class has been on sale for at least 94 days.

Price history

AskCar first saw this advert on 5 August 2026 at £59,985. Its asking price is now £54,885, £5,100 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 6 August 2026: £59,985
• 25 August 2026: £59,785
• 31 August 2026: £59,485
• 4 September 2026: £58,985
• 11 September 2026: £58,485
• 16 September 2026: £58,385
• 22 September 2026: £57,985
• 1 October 2026: £57,485
• 6 October 2026: £56,985
• 17 October 2026: £56,225
• 22 October 2026: £55,985
• 23 October 2026: £55,000
• 31 October 2026: £54,885

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: the latest record we hold ran out on 12 September 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 5 September 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 20,314 miles, which matches the advertised 25,491 miles.

Advertised mileage is about 17,100 miles lower than the median mileage of a 2021 Mercedes-Benz S Class on AskCar.

Similar cars

4 other 2021 Mercedes-Benz S Class AMG Line Premium 3.0 petrol automatic saloons are for sale at UK dealers, from £41,975 to £51,410, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz S Class AMG Line Premium, 3.0 petrol saloon, blue. Mileage: 28,582 miles. Price: £51,410, £3,475 less than this car. Dealer: Evans Halshaw BYD Rotherham in Rotherham. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2021-3075a4102fde
• 2021 Mercedes-Benz S Class AMG Line Premium, 3.0 petrol saloon, black. Mileage: 65,000 miles. Price: £47,500, £7,385 less than this car. Dealer: Reverie Autos in Hatfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2021-508b191a0835
• 2021 Mercedes-Benz S Class AMG Line Premium, 3.0 petrol saloon, black. Mileage: 83,769 miles. Price: £42,841, £12,044 less than this car. Dealer: Quality Part X Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2021-bf22065ef285