2015 Mercedes-Benz SL 3.0 SL400 AMG Sport

Overview

• Make: Mercedes-Benz
• Model: SL
• Trim: AMG Sport
• Version: 3.0 SL400 AMG Sport Auto RWD Euro 6 (s/s) 2dr (328 bhp)
• Year: 2015
• Mileage: 32,653 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 3.0 litres, 328 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Silver
• CO2: 178 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 32,653 miles, this 2015 Mercedes-Benz SL AMG Sport has covered about 21,400 fewer miles than other 2015 Mercedes-Benz SL cars. The AskCar estimate for this car is £22,456. It is priced at £24,495, which is £2,039 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 374 Mercedes-Benz SL cars across different ages and specifications. The asking price is now £1,500 lower than when we first recorded the advert 51 days ago. Our records show an MOT expiry date of 24 September 2026, which has passed. Ask the dealer for an update. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Gills Motors in Maldon. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £2,039 (9%) over the AskCar estimate of £22,456.

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 374 priced Mercedes-Benz SL adverts across different ages and specifications, as of 8 November 2026.

A 2015 Mercedes-Benz SL with the 3.0 petrol engine is typically advertised at £19,000: the median of the 17 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2015 Mercedes-Benz SL has been on sale for at least 51 days.

Price history

AskCar first saw this advert on 18 September 2026 at £25,995. Its asking price is now £24,495, £1,500 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 18 September 2026: £25,995
• 17 October 2026: £25,495
• 21 October 2026: £24,995
• 28 October 2026: £24,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: the latest record we hold ran out on 24 September 2026; ask the dealer for the current MOT.

It has had 11 MOTs. The latest, on 25 September 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 30,588 miles, which matches the advertised 32,653 miles.

Advertised mileage is about 21,400 miles lower than the median mileage of a 2015 Mercedes-Benz SL on AskCar.

Similar cars

15 other 2015 Mercedes-Benz SL AMG Sport 3.0 petrol automatic convertibles are for sale at UK dealers, from £15,975 to £24,895, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2015 Mercedes-Benz SL AMG Sport, 3.0 petrol convertible, black. Mileage: 31,875 miles. Price: £24,895, £400 more than this car. Dealer: ZG Prestige in Bolton. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2015-abe9563d9b81
• 2015 Mercedes-Benz SL AMG Sport, 3.0 petrol convertible, white. Mileage: 31,000 miles. Price: £24,490, the same price as this car. Dealer: 1BR in Petersfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2015-e4d9960344e2
• 2015 Mercedes-Benz SL AMG Sport, 3.0 petrol convertible, red. Mileage: 27,100 miles. Price: £23,333, £1,162 less than this car. Dealer: Good Motors in Bury. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2015-96278a911098

• The nearest: 2015 Mercedes-Benz SL AMG Sport, 3.0 petrol convertible, silver, 9 miles from this car. Mileage: 77,487 miles. Price: £17,999, £6,496 less than this car. Dealer: Red Lion Motors in Chelmsford. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2015-9a749e772a4c