2018 Mercedes-Benz S Class

2.9 S350d AMG Line Premium Plus G-Tronic+ RWD Euro 6 (s/s) 4dr (282 bhp)

£20,990

Fair price: within 8% of the typical £21,210 for this model, age and mileage, drawing on 544 adverts of this make and model.

Overview

Make
Mercedes-Benz
Model
S Class
Trim
AMG LINE PREMIUM PLUS
Version
2.9 S350d AMG Line Premium Plus G-Tronic+ RWD Euro 6 (s/s) 4dr (282 bhp)
Mileage
115,500 miles
Year
2018
Fuel type
Diesel
Body type
Saloon
Engine
2.9 L
Gearbox
Automatic
Power
282 bhp
Seats
5
CO2
139 g/km
Colour
Black
Doors
4
Driven wheels
Rear Wheel Drive
Gearbox version
G-Tronic+
Engine badge
S350d
Emissions standard
Euro 6

About this car

At 115,500 miles, this 2018 Mercedes-Benz S Class AMG Line Premium Plus has covered about 42,000 more miles than other 2018 Mercedes-Benz S Class cars. Its asking price of £20,990 is £220 below our estimate of £21,210. Our estimate draws on 544 Mercedes-Benz S Class adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 151 days ago, and its asking price has since fallen by £2,500. It may give you a starting point for a conversation about price. The seller is Yorkshire's Prestige Centre, based in Bradford.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 May 2026, 151 days ago. Advert duration calculated on 26 October 2026. Net asking-price reduction: £2,500 from the first recorded £23,490. 2 price reductions recorded, the latest observed on 27 September 2026.

Recorded asking prices
Date observedAsking price
28 May 2026£23,490
2 July 2026£21,990
10 July 2026£21,990
27 September 2026£20,990
16 October 2026£20,990
23 October 2026£20,990

Price and mileage comparison

Estimated market asking price: £21,210. The asking price is £220 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 544 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 42,000 miles higher than typical for a 2018 Mercedes-Benz S Class.

5 other cars with the same year, trim, gearbox and fuel are for sale from £20,995 to £39,991.

Other matching cars
Asking priceMileage
£20,995118,000 miles
£24,49584,000 miles
£24,750100,000 miles
£28,99557,798 miles
£39,99141,991 miles

These cars have covered 41,991–118,000 miles, compared with 115,500 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

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

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