2018 Mercedes-Benz S Class 2.9 S350Ld AMG Line

Overview

• Make: Mercedes-Benz
• Model: S Class
• Trim: AMG Line
• Version: 2.9 S350Ld AMG Line G-Tronic+ RWD Euro 6 (s/s) 4dr (282 bhp)
• Year: 2018
• Mileage: 89,823 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: 153 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mercedes-Benz S Class AMG Line is advertised with 89,823 miles, approximately 13,000 above the typical mileage for its age. The dealer is asking £20,499, which is £740 above the AskCar estimate of £19,759. To work out the AskCar estimate, we analyse UK dealer adverts for 568 Mercedes-Benz S Class cars across different ages and specifications. It first appeared in our advert records 49 days ago. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Automania Specialist Cars in West Bromwich. 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

Fair price: £740 (3%) over the AskCar estimate of £19,759.

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 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 7 November 2026.

Time on sale

This 2018 Mercedes-Benz S Class has been on sale for at least 49 days.

Price history

AskCar first saw this advert on 19 September 2026 at £20,499. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 13 April 2027.

It has had 6 MOTs. The latest, on 14 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 87,594 miles, which matches the advertised 89,823 miles.

Advertised mileage is about 13,000 miles higher than the median mileage of a 2018 Mercedes-Benz S Class on AskCar.

Similar cars

9 other 2018 Mercedes-Benz S Class AMG Line 2.9 diesel automatic saloons are for sale at UK dealers, from £19,070 to £26,995, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2018 Mercedes-Benz S Class AMG Line, 2.9 diesel saloon, grey. Mileage: 88,625 miles. Price: £19,070, £1,429 less than this car. Dealer: Evans Halshaw MG Banbury in Banbury. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2018-54e0f933d273
• 2018 Mercedes-Benz S Class AMG Line, 2.9 diesel saloon, silver. Mileage: 83,000 miles. Price: £19,995, £504 less than this car. Dealer: Jefferies Farm Car Sales in Billingshurst. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2018-9d56c5ee48e7
• 2018 Mercedes-Benz S Class AMG Line, 2.9 diesel saloon, black. Mileage: 65,802 miles. Price: £23,999, £3,500 more than this car. Dealer: P W Millar Ford in Barry. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2018-ea7ba4c5aeac