2014 Mercedes-Benz SL 3.0 SL400 AMG Sport
Price: £16,418. Above the going rate: £2,083 (14%) over the AskCar estimate of £14,335, our expected asking price for this car from its model, age, mileage and specification, drawing on 365 priced Mercedes-Benz SL adverts on AskCar as of 6 November 2026.
AskCar lists 466 used Mercedes-Benz SL from 343 UK dealerships, as of 6 November 2026.
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: 94,550 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 2 seats
- Engine: 3.0 litres, 328 bhp
- Gearbox: Automatic (G-Tronic)
- Drive: Rear-wheel drive
- Colour: Silver
- CO2: 178 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2014 Mercedes-Benz SL AMG Sport is advertised with 94,550 miles, approximately 38,300 above the typical mileage for its age. The AskCar estimate for this car is £14,335. It is priced at £16,418, which is £2,083 above that estimate. The AskCar estimate uses 365 UK dealer adverts for the Mercedes-Benz SL, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 84 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Smith Premier in Dacorum. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Above the going rate: £2,083 (14%) over the AskCar estimate of £14,335.
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 84 days.
Price history
AskCar first saw this advert on 14 August 2026 at £16,418. Its asking price has not changed.
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 25 June 2027.
It failed its MOT on 23 June 2026 (nearside front coil spring fractured or broken; offside front coil spring fractured or broken) and passed 3 days later, on 26 June 2026.
There were no advisories at the latest test.
Mileage at that test: 94,994 miles, which matches the advertised 94,550 miles.
Advertised mileage is about 38,300 miles higher 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 £20,990, 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: 95,325 miles. Price: £16,450, the same price as 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, £1,418 less than this car. Dealer: Strafford Cars in Brighton and Hove. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2014-1bceb89fd36b
- 2014 Mercedes-Benz SL AMG Sport, 3.0 petrol convertible, grey. Mileage: 43,000 miles. Price: £20,990, £4,572 more than this car. Dealer: JJG (Surrey) in Woking. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2014-b233dc56b9fa
Browse all Mercedes-Benz SL cars for sale · 2014 Mercedes-Benz SL price guide
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Photos
53 photos of this car are on its AskCar page.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.