2021 Mercedes-Benz S Class

2.9 S350d L AMG Line Premium 9G-Tronic RWD Euro 6 4dr (281 bhp)

£58,000

Fair price: within 8% of the typical £54,698 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
Version: 2.9 S350d L AMG Line Premium 9G-Tronic RWD Euro 6 4dr (281 bhp)
Mileage: 26,000 miles
Year: 2021
Fuel type: Diesel
Body type: Saloon
Engine: 2.9 L
Gearbox: Automatic
Power: 281 bhp
Seats: 5
CO2: 180 g/km
Colour: Black
Doors: 4
Driven wheels: Rear Wheel Drive
Gearbox version: 9G-Tronic
Engine badge: S350d
Emissions standard: Euro 6

About this car

This 2021 Mercedes-Benz S Class AMG Line Premium is advertised with 26,000 miles, approximately 13,800 below the typical mileage for its age. The dealer is asking £58,000, which is £3,302 above our market estimate of £54,698. Our estimate draws on 544 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 11 days ago. MOT records show an expiry date of 1 July 2027, and the latest recorded mileage is consistent with the advert. The seller is Sytner Group Mercedes-Benz of Loughton, based in Loughton.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 14 October 2026, 11 days ago. Advert duration calculated on 25 October 2026.

Recorded asking prices
Date observed	Asking price
14 October 2026	£58,000
23 October 2026	£58,000

Price and mileage comparison

Estimated market asking price: £54,698. The asking price is £3,302 above 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 13,800 miles lower than typical for a 2021 Mercedes-Benz S Class.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 1 July 2027. 24,555 miles at the last test.

6 other cars with the same year, trim, gearbox and fuel are for sale from £41,900 to £56,898.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£41,900	71,581 miles
£49,995	54,151 miles
£53,000	18,982 miles
£54,898	35,211 miles
£55,000	42,881 miles

These cars have covered 18,982–71,581 miles, compared with 26,000 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 · 2021 Mercedes-Benz S Class price guide

Vehicle photos

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