2021 Mercedes-Benz S Class

2.9 S350Ld AMG Line Premium Plus G-Tronic+ RWD Euro 6 (s/s) 4dr (282 bhp)

£57,990

Fair price: within 8% of the typical £59,216 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 S350Ld AMG Line Premium Plus G-Tronic+ RWD Euro 6 (s/s) 4dr (282 bhp)
Mileage: 27,765 miles
Year: 2021
Fuel type: Diesel
Body type: Saloon
Engine: 2.9 L
Gearbox: Automatic
Power: 282 bhp
Seats: 5
CO2: 190 g/km
Colour: Black
Doors: 4
Driven wheels: Rear Wheel Drive
Gearbox version: G-Tronic+
Engine badge: S350Ld
Emissions standard: Euro 6

About this car

This 2021 Mercedes-Benz S Class AMG Line Premium Plus has covered 27,765 miles, around 12,000 fewer than typical for its age. Our estimated market asking price is £59,216. This car is advertised at £57,990, which is £1,226 below that figure. Our estimate draws on 544 Mercedes-Benz S Class adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 150 days ago, the asking price has dropped by £5,000. It may give you a starting point for a conversation about price. Its MOT is recorded as valid until 24 February 2027. The advertised mileage is consistent with the latest MOT reading. You can find this car at G C Motors in Harrogate.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 May 2026, 150 days ago. Advert duration calculated on 25 October 2026. Net asking-price reduction: £5,000 from the first recorded £62,990. 5 price reductions recorded, the latest observed on 22 October 2026.

Recorded asking prices
Date observed	Asking price
28 May 2026	£62,990
16 June 2026	£61,990
2 July 2026	£59,990
7 July 2026	£59,990
4 September 2026	£60,990
30 September 2026	£59,990
15 October 2026	£58,990
22 October 2026	£57,990
23 October 2026	£57,990

Price and mileage comparison

Estimated market asking price: £59,216. The asking price is £1,226 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 12,000 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 24 February 2027. 25,075 miles at the last test.

3 other cars with the same year, trim, gearbox and fuel are for sale from £47,990 to £63,124.

Other matching cars
Asking price	Mileage
£47,990	84,678 miles
£52,995	23,924 miles
£63,124	36,970 miles

These cars have covered 23,924–84,678 miles, compared with 27,765 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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