2017 Mercedes-Benz S Class 2.9 S350d AMG Line Premium Plus

Overview

• Make: Mercedes-Benz
• Model: S Class
• Trim: AMG Line Premium Plus
• Version: 2.9 S350d AMG Line Premium Plus G-Tronic+ RWD Euro 6 (s/s) 4dr (282 bhp)
• Year: 2017
• Mileage: 100,119 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.9 litres, 282 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 139 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2017 Mercedes-Benz S Class AMG Line Premium Plus is advertised with 100,119 miles on the clock. The AskCar estimate for this car is £19,336. It is priced at £17,495, which is £1,841 below that estimate. The AskCar estimate uses UK dealer asking prices, including 565 Mercedes-Benz S Class adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 29 days ago, the asking price has dropped by £1,000. The advertised mileage is lower than the latest MOT reading of 104,344 miles. Ask the dealer to explain. Its MOT is recorded as valid until 8 July 2027. It is for sale at James Richards Car Sales in Stevenage. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Good value: £1,841 (9%) under the AskCar estimate of £19,336.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 565 priced Mercedes-Benz S Class adverts across different ages and specifications, as of 6 November 2026.

A 2017 Mercedes-Benz S Class with the 2.9 diesel engine is typically advertised at £21,000: the median of the 15 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2017 Mercedes-Benz S Class has been on sale for at least 29 days.

Price history

AskCar first saw this advert on 8 October 2026 at £18,495. Its asking price is now £17,495, £1,000 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 8 October 2026: £18,495
• 9 October 2026: £17,950
• 1 November 2026: £17,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 8 July 2027.

It has had 9 MOTs. The latest, on 4 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 104,344 miles. The advert says 100,119 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 34,100 miles higher than the median mileage of a 2017 Mercedes-Benz S Class on AskCar.