2018 Mercedes-Benz S Class 2.9

Overview

• Make: Mercedes-Benz
• Model: S Class
• Version: 2.9 Auto Euro 6 4dr
• Year: 2018
• Mileage: 169,000 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.9 litres
• Gearbox: Automatic
• Colour: Black
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 169,000 miles on the clock, this 2018 Mercedes-Benz S Class has done roughly 92,200 more miles than a typical 2018 Mercedes-Benz S Class. Priced at £17,000, it is advertised £2,675 above the AskCar estimate of £14,325. The AskCar estimate draws on 565 Mercedes-Benz S Class adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 99 days ago. It is advertised by Heathrow Trade Sales in Spelthorne. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £2,675 (18%) over the AskCar estimate of £14,325.

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 565 priced Mercedes-Benz S Class adverts across different ages and specifications, as of 6 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 6 November 2026.

Time on sale

This 2018 Mercedes-Benz S Class has been on sale for at least 99 days.

Price history

AskCar first saw this advert on 30 July 2026 at £17,000. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 92,200 miles higher than the median mileage of a 2018 Mercedes-Benz S Class on AskCar.