2020 Mercedes-Benz S Class

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

£18,990

Fair price: within 8% of the typical £20,538 for this model, age and mileage, drawing on 544 adverts of this make and model.

Overview

Make
Mercedes-Benz
Model
S Class
Trim
EXECUTIVE
Version
2.9 S350d L AMG Line Prem + Executive 9G-Tronic RWD Euro 6 4dr (281 bhp)
Mileage
151,196 miles
Year
2020
Fuel type
Diesel
Body type
Saloon
Engine
2.9 L
Gearbox
Automatic
Power
281 bhp
Seats
5
CO2
190 g/km
Colour
Black
Doors
4
Driven wheels
Rear Wheel Drive
Gearbox version
9G-Tronic
Engine badge
S350d; AMG Line
Emissions standard
Euro 6

About this car

At 151,196 miles, this 2020 Mercedes-Benz S Class Executive has covered about 78,200 more miles than other 2020 Mercedes-Benz S Class cars. The dealer is asking £18,990, which is £1,548 below our market estimate of £20,538. To estimate its market asking price, we analyse UK dealer adverts for 544 Mercedes-Benz S Class cars across different ages and specifications. The asking price is now £2,010 lower than when we first recorded the advert 45 days ago. Its recorded MOT is valid until 29 April 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Carworld Car Supermarket, based in Peterborough.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 10 September 2026, 45 days ago. Advert duration calculated on 25 October 2026. Net asking-price reduction: £2,010 from the first recorded £21,000. 2 price reductions recorded, the latest observed on 22 October 2026.

Recorded asking prices
Date observedAsking price
10 September 2026£21,000
12 October 2026£19,990
22 October 2026£18,990
23 October 2026£18,990

Price and mileage comparison

Estimated market asking price: £20,538. The asking price is £1,548 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 78,200 miles higher than typical for a 2020 Mercedes-Benz S Class.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 29 April 2027. 149,706 miles at the last test.

1 other cars with the same year, trim, gearbox and fuel are for sale from £22,500 to £22,500.

Other matching cars
Asking priceMileage
£22,500139,000 miles

These cars have covered 139,000 miles, compared with 151,196 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 · 2020 Mercedes-Benz S Class price guide

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