2021 Mercedes-Benz S Class

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

£63,124

Above the going rate: £6,788 over the typical £56,336 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: 36,970 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

The advertised mileage for this 2021 Mercedes-Benz S Class AMG Line Premium Plus is 36,970 miles. Its asking price of £63,124 is £6,788 above our estimate of £56,336. We use UK dealer asking prices, including 544 Mercedes-Benz S Class listings, and account for the car’s age, mileage and specification. It first appeared in our advert records 101 days ago. The advertised mileage is lower than the latest MOT reading of 43,765 miles. Ask the dealer to explain. Its recorded MOT is valid until 18 June 2027. It is advertised by Heartlands Motor Group in Birmingham.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 17 July 2026, 101 days ago. Advert duration calculated on 26 October 2026.

Recorded asking prices
Date observed	Asking price
17 July 2026	£62,995
27 August 2026	£63,124
23 October 2026	£63,124

Price and mileage comparison

Estimated market asking price: £56,336. The asking price is £6,788 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 2,800 miles lower than typical for a 2021 Mercedes-Benz S Class.

Mileage concern: the advertised mileage is below the last MOT reading; ask the dealer to explain.

MOT

MOT valid until 18 June 2027. 43,765 miles at the last test.

3 other cars with the same year, trim, gearbox and fuel are for sale from £47,990 to £57,990.

Other matching cars
Asking price	Mileage
£47,990	84,678 miles
£52,995	23,924 miles
£57,990	27,765 miles

These cars have covered 23,924–84,678 miles, compared with 36,970 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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