2021 Mercedes-Benz S Class
2.9 S350d AMG Line 9G-Tronic RWD Euro 6 4dr (281 bhp)
£40,900
Fair price: within 8% of the typical £40,500 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
- Version
- 2.9 S350d AMG Line 9G-Tronic RWD Euro 6 4dr (281 bhp)
- Mileage
- 80,516 miles
- Year
- 2021
- Fuel type
- Diesel
- Body type
- Saloon
- Engine
- 2.9 L
- Gearbox
- Automatic
- Power
- 281 bhp
- Seats
- 5
- CO2
- 173 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 has covered 80,516 miles, around 40,700 more than typical for its age. At £40,900, it is advertised £400 above our estimated market asking price of £40,500. We use UK dealer asking prices, including 544 Mercedes-Benz S Class listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 33 days ago, the asking price has dropped by £900. Its recorded MOT is valid until 10 September 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Sytner Select Wakefield, based in Wakefield.
Stock data from 23 October 2026.
Price history
First seen on 22 September 2026, 33 days ago. Advert duration calculated on 25 October 2026. Net asking-price reduction: £900 from the first recorded £41,800. 1 price reduction recorded, the latest observed on 8 October 2026.
| Date observed | Asking price |
|---|---|
| 22 September 2026 | £41,800 |
| 8 October 2026 | £40,900 |
| 23 October 2026 | £40,900 |
Price and mileage comparison
Estimated market asking price: £40,500. The asking price is £400 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 40,700 miles higher than typical for a 2021 Mercedes-Benz S Class.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT valid until 10 September 2027. 80,536 miles at the last test.
5 other cars with the same year, trim, gearbox and fuel are for sale from £37,995 to £56,890.
| Asking price | Mileage |
|---|---|
| £37,995 | 100,778 miles |
| £46,989 | 51,128 miles |
| £49,995 | 66,900 miles |
| £49,995 | 34,509 miles |
| £56,890 | 22,000 miles |
These cars have covered 22,000–100,778 miles, compared with 80,516 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
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