2020 Mercedes-Benz S Class 2.9 S350Ld Grand Edition Executive

Overview

• Make: Mercedes-Benz
• Model: S Class
• Trim: Grand Edition Executive
• Version: 2.9 S350Ld Grand Edition Executive G-Tronic+ RWD Euro 6 (s/s) 4dr (282 bhp)
• Year: 2020
• Mileage: 81,000 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.9 litres, 282 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 160 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz S Class Grand Edition Executive has covered 81,000 miles, around 3,300 more miles than is typical for its age. Its asking price of £23,995 is £3,821 below the AskCar estimate of £27,816. The AskCar estimate draws on 568 Mercedes-Benz S Class adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 57 days ago, the asking price has dropped by £4,500. The government's MOT record matches its advertised mileage. You can find this car at Primegate Motors in Egham. 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: £3,821 (13%) under the AskCar estimate of £27,816.

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 2020 Mercedes-Benz S Class with the 2.9 diesel engine is typically advertised at £28,000: the median of the 12 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2020 Mercedes-Benz S Class has been on sale for at least 57 days.

Price history

AskCar first saw this advert on 11 September 2026 at £28,495. Its asking price is now £23,995, £4,500 less. The latest price cut was seen on 15 October 2026.

Price changes recorded:

• 11 September 2026: £28,495
• 13 September 2026: £27,495
• 15 September 2026: £26,495
• 17 September 2026: £24,995
• 15 October 2026: £23,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 15 June 2027.

It has had 9 MOTs. The latest, on 16 June 2026, passed.

Advisories at the latest test: rear tyre worn close to legal limit/worn on edge both sides.

Mileage at that test: 81,258 miles, which matches the advertised 81,000 miles.

Advertised mileage is about 3,300 miles higher than the median mileage of a 2020 Mercedes-Benz S Class on AskCar.

Similar cars

7 other 2020 Mercedes-Benz S Class Grand Edition Executive 2.9 diesel automatic saloons are for sale at UK dealers, from £25,995 to £32,995, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2020 Mercedes-Benz S Class Grand Edition Executive, 2.9 diesel saloon, white. Mileage: 78,700 miles. Price: £32,995, £9,000 more than this car. Dealer: George Kingsley Prestige & Performance in Colchester. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2020-a411052b71b4
• 2020 Mercedes-Benz S Class Grand Edition Executive, 2.9 diesel saloon, black. Mileage: 88,000 miles. Price: £27,995, £4,000 more than this car. Dealer: Romans Of St Albans in St Albans. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2020-d434ae704a30
• 2020 Mercedes-Benz S Class Grand Edition Executive, 2.9 diesel saloon, black. Mileage: 73,000 miles. Price: £27,990, £3,995 more than this car. Dealer: ADF Car Sales in Manchester. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2020-1aa103680745

• The nearest: 2020 Mercedes-Benz S Class Grand Edition Executive, 2.9 diesel saloon, black, 15 miles from this car. Mileage: 91,000 miles. Price: £25,995, £2,000 more than this car. Dealer: Top Gear Harrow in Harrow. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2020-bb20239cf3fd