2014 Mercedes-Benz SL 3.0 SL400 AMG Sport

Overview

• Make: Mercedes-Benz
• Model: SL
• Trim: AMG Sport
• Version: 3.0 SL400 AMG Sport G-Tronic RWD Euro 6 (s/s) 2dr (328 bhp)
• Year: 2014
• Mileage: 43,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 3.0 litres, 328 bhp
• Gearbox: Automatic (G-Tronic)
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 178 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 43,000 miles on the clock, this 2014 Mercedes-Benz SL AMG Sport has done roughly 13,300 fewer miles than a typical 2014 Mercedes-Benz SL. The AskCar estimate for this car is £20,792. It is priced at £20,990, which is £198 above that estimate. The AskCar estimate uses UK dealer asking prices, including 365 Mercedes-Benz SL adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 86 days ago, the asking price has dropped by £2,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at JJG (Surrey) in Chertsey. 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

Fair price: £198 (under 1%) over the AskCar estimate of £20,792.

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 365 priced Mercedes-Benz SL adverts across different ages and specifications, as of 6 November 2026.

Time on sale

This 2014 Mercedes-Benz SL has been on sale for at least 86 days.

Price history

AskCar first saw this advert on 12 August 2026 at £22,990. Its asking price is now £20,990, £2,000 less. The latest price cut was seen on 23 September 2026.

Price changes recorded:

• 12 August 2026: £22,990
• 17 August 2026: £21,990
• 5 September 2026: £21,490
• 23 September 2026: £20,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 11 May 2027.

It has had 11 MOTs. The latest, on 12 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 43,059 miles, which matches the advertised 43,000 miles.

Advertised mileage is about 13,300 miles lower than the median mileage of a 2014 Mercedes-Benz SL on AskCar.

Similar cars

3 other 2014 Mercedes-Benz SL AMG Sport 3.0 petrol automatic convertibles are for sale at UK dealers, from £15,000 to £16,450, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2014 Mercedes-Benz SL AMG Sport, 3.0 petrol convertible, silver. Mileage: 94,550 miles. Price: £16,418, £4,572 less than this car. Dealer: Smith Premier in Hemel Hempstead. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2014-d1f7fbd68d6b
• 2014 Mercedes-Benz SL AMG Sport, 3.0 petrol convertible, silver. Mileage: 95,325 miles. Price: £16,450, £4,540 less than this car. Dealer: Boss Motor Company in Chesham. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2014-cf0988628723
• 2014 Mercedes-Benz SL AMG Sport, 3.0 petrol convertible, blue. Mileage: 138,260 miles. Price: £15,000, £5,990 less than this car. Dealer: Strafford Cars in Brighton and Hove. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2014-1bceb89fd36b