2018 Mercedes-Benz S Class 2.9 S350d AMG Line Premium

Overview

• Make: Mercedes-Benz
• Model: S Class
• Trim: AMG Line Premium
• Version: 2.9 S350d AMG Line Premium G-Tronic+ RWD Euro 6 (s/s) 4dr (282 bhp)
• Year: 2018
• Mileage: 79,434 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.9 litres, 282 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: Silver
• CO2: 156 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mercedes-Benz S Class AMG Line Premium is advertised with 79,434 miles, approximately 2,600 above the typical mileage for its age. The AskCar estimate for this car is £24,230. It is priced at £23,498, which is £732 below that estimate. The AskCar estimate draws on 568 Mercedes-Benz S Class adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 32 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Glasgow Hamilton Road Peugeot Leapmotor, based in Glasgow. 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: £732 (3%) under the AskCar estimate of £24,230.

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 32 days.

Price history

AskCar first saw this advert on 6 October 2026 at £23,498. 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 28 September 2027.

It has had 7 MOTs. The latest, on 29 September 2026, passed.

Advisories at the latest test: nearside front lower suspension arm ball joint has slight play.

Mileage at that test: 79,439 miles, which matches the advertised 79,434 miles.

Advertised mileage is about 2,600 miles higher than the median mileage of a 2018 Mercedes-Benz S Class on AskCar.

Similar cars

7 other 2018 Mercedes-Benz S Class AMG Line Premium 2.9 diesel automatic saloons are for sale at UK dealers, from £13,995 to £26,990, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2018 Mercedes-Benz S Class AMG Line Premium, 2.9 diesel saloon, black. Mileage: 79,508 miles. Price: £24,990, £1,492 more than this car. Dealer: Brownroyd Motors in Heywood. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2018-d94493f1eb53
• 2018 Mercedes-Benz S Class AMG Line Premium, 2.9 diesel saloon, black. Mileage: 81,275 miles. Price: £22,795, £703 less than this car. Dealer: Group 1 Assured Norwich in Norwich. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2018-433f3858ae72
• 2018 Mercedes-Benz S Class AMG Line Premium, 2.9 diesel saloon, black. Mileage: 95,000 miles. Price: £21,900, £1,598 less than this car. Dealer: Motonet.com in Coventry. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2018-476eb27f4c6b

• The nearest: 2018 Mercedes-Benz S Class AMG Line Premium, 2.9 diesel saloon, black, 155 miles from this car. Mileage: 99,800 miles. Price: £21,999, £1,499 less than this car. Dealer: Rydal Motors (Preston) in Preston. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2018-aeb2d3c6d1b2