2018 Mercedes-Benz S Class 2.9 S400Ld AMG Line Executive Premium Plus

Price: £23,995. Good value: £6,044 (20%) under the AskCar estimate of £30,039, our expected asking price for this car from its model, age, mileage and specification, drawing on 567 priced Mercedes-Benz S Class adverts on AskCar as of 5 November 2026.

AskCar lists 631 used Mercedes-Benz S Class from 445 UK dealerships, as of 5 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: S Class
  • Trim: AMG Line Executive Premium Plus
  • Version: 2.9 S400Ld AMG Line AMG Line Executive Premium Plus G-Tronic+ RWD Euro 6 (s/s) 4dr (Executive, Premium Plus) (335 bhp)
  • Year: 2018
  • Mileage: 58,000 miles
  • Fuel: Diesel
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.9 litres, 335 bhp
  • Gearbox: Automatic (G-Tronic+)
  • Drive: Rear-wheel drive
  • Colour: Grey
  • CO2: 159 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 58,000 miles on the clock, this 2018 Mercedes-Benz S Class AMG Line Executive Premium Plus has done roughly 18,600 fewer miles than a typical 2018 Mercedes-Benz S Class. Priced at £23,995, it is advertised £6,044 below the AskCar estimate of £30,039. To work out the AskCar estimate, we analyse UK dealer adverts for 567 Mercedes-Benz S Class cars across different ages and specifications. The asking price is now £5,000 lower than when we first recorded the advert 161 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Car Station in Epping. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Good value: £6,044 (20%) under the AskCar estimate of £30,039.

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 567 priced Mercedes-Benz S Class adverts across different ages and specifications, as of 5 November 2026.

A 2018 Mercedes-Benz S Class with the 2.9 diesel engine is typically advertised at £24,000: the median of the 50 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2018 Mercedes-Benz S Class has been on sale for at least 161 days.

Price history

AskCar first saw this advert on 28 May 2026 at £28,995. Its asking price is now £23,995, £5,000 less. The latest price cut was seen on 1 October 2026.

Price changes recorded:

  • 28 May 2026: £28,995
  • 1 October 2026: £23,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 19 December 2026.

It has had 8 MOTs. The latest, on 20 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 54,781 miles, which matches the advertised 58,000 miles.

Advertised mileage is about 18,600 miles lower than the median mileage of a 2018 Mercedes-Benz S Class on AskCar.

Similar cars

7 other 2018 Mercedes-Benz S Class AMG Line Executive Premium Plus 2.9 diesel automatic saloons are for sale at UK dealers, from £16,495 to £37,995, as of 5 November 2026.

The 3 closest to this car in mileage:

Browse all Mercedes-Benz S Class cars for sale · 2018 Mercedes-Benz S Class price guide

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Photos

63 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.