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: 72,000 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.9 litres, 282 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 160 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz S Class Grand Edition Executive is advertised with 72,000 miles on the clock. The dealer is asking £26,450, which is £3,251 below the AskCar estimate of £29,701. To work out the AskCar estimate, we analyse UK dealer adverts for 568 Mercedes-Benz S Class cars across different ages and specifications. We first saw this car advertised 78 days ago. Its asking price has since fallen by £1,545. The latest MOT recorded 73,305 miles, above the advertised mileage. Check this with the dealer. Our records show an MOT expiry date of 22 September 2026, which has passed. Ask the dealer for an update. The seller is The Car Shop Bedford, based in Bedford. 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: £3,251 (10%) under the AskCar estimate of £29,701.

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 78 days.

Price history

AskCar first saw this advert on 21 August 2026 at £27,995. Its asking price is now £26,450, £1,545 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

• 21 August 2026: £27,995
• 26 October 2026: £29,995
• 2 November 2026: £26,450

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 22 September 2026; ask the dealer for the current MOT.

It has had 10 MOTs. The latest, on 21 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 73,305 miles. The advert says 72,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 5,700 miles lower 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 £23,995 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, black. Mileage: 73,000 miles. Price: £27,990, £1,540 more than this car. Dealer: ADF Car Sales in Manchester. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2020-1aa103680745
• 2020 Mercedes-Benz S Class Grand Edition Executive, 2.9 diesel saloon, white. Mileage: 78,700 miles. Price: £32,995, £6,545 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: 64,290 miles. Price: £30,995, £4,545 more than this car. Dealer: House Of Motors in Romford. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2020-686583d6becd

• The nearest: 2020 Mercedes-Benz S Class Grand Edition Executive, 2.9 diesel saloon, black, 26 miles from this car. Mileage: 88,000 miles. Price: £27,995, £1,545 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