2014 Mercedes-Benz S Class 3.0 S350L V6 BlueTEC SE Line

Overview

• Make: Mercedes-Benz
• Model: S Class
• Trim: SE Line
• Version: 3.0 S350L V6 BLUETEC SE Line G-Tronic+ RWD Euro 6 (s/s) 4dr (254 bhp)
• Year: 2014
• Mileage: 80,000 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 254 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 148 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2014 Mercedes-Benz S Class SE Line has covered 80,000 miles. The dealer is asking £12,695, which is £499 above the AskCar estimate of £12,196. To work out the AskCar estimate, we analyse UK dealer adverts for 568 Mercedes-Benz S Class cars across different ages and specifications. Since we first spotted the advert 77 days ago, the asking price has dropped by £800. The advertised mileage is lower than the latest MOT reading of 80,506 miles. Ask the dealer to explain. MOT records show an expiry date of 25 June 2027. It is for sale at Middlesex Motors in Uxbridge. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £499 (4%) over the AskCar estimate of £12,196.

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 568 priced Mercedes-Benz S Class adverts across different ages and specifications, as of 7 November 2026.

A 2014 Mercedes-Benz S Class with the 3.0 diesel engine is typically advertised at £12,700: the median of the 11 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2014 Mercedes-Benz S Class has been on sale for at least 77 days.

Price history

AskCar first saw this advert on 22 August 2026 at £13,495. Its asking price is now £12,695, £800 less. The latest price cut was seen on 18 October 2026.

Price changes recorded:

• 22 August 2026: £13,495
• 2 October 2026: £13,295
• 11 October 2026: £12,995
• 18 October 2026: £12,695

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 25 June 2027.

It has had 11 MOTs. The latest, on 26 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 80,506 miles. The advert says 80,000 miles, fewer than the MOT record, so ask the dealer which is right.

Similar cars

4 other 2014 Mercedes-Benz S Class SE Line 3.0 diesel automatic saloons are for sale at UK dealers, from £10,990 to £13,777, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2014 Mercedes-Benz S Class SE Line, 3.0 diesel saloon, silver. Mileage: 83,000 miles. Price: £10,990, £1,705 less than this car. Dealer: Horsepower Cars in Inverness. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2014-37a6ce1fa67c
• 2014 Mercedes-Benz S Class SE Line, 3.0 diesel saloon, black. Mileage: 88,932 miles. Price: £13,777, £1,082 more than this car. Dealer: GK Motors in Mansfield Woodhouse. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2014-f4b042a438ec
• 2014 Mercedes-Benz S Class SE Line, 3.0 diesel saloon, black. Mileage: 95,500 miles. Price: £11,990, £705 less than this car. Dealer: Martin McAleenan Motors in Banbridge. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2014-9dcee695d796

• The nearest: 2014 Mercedes-Benz S Class SE Line, 3.0 diesel saloon, silver, 25 miles from this car. Mileage: 95,934 miles. Price: £12,000, £695 less than this car. Dealer: TU Motors in Luton. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2014-a22eb1c39723