2015 Mercedes-Benz SL 5.5 AMG

Price: £48,500. Fair price: £388 (under 1%) over the AskCar estimate of £48,112, our expected asking price for this car from its model, age, mileage and specification, drawing on 371 priced Mercedes-Benz SL adverts on AskCar as of 10 November 2026.

AskCar lists 462 used Mercedes-Benz SL from 341 UK dealerships, as of 10 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: SL
  • Trim: AMG
  • Version: 5.5 AMG Auto RWD 2dr (577 bhp)
  • Year: 2015
  • Mileage: 20,500 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 2 seats
  • Engine: 5.5 litres, 577 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Silver
  • CO2: 234 g/km

About this car

This 2015 Mercedes-Benz SL AMG has covered 20,500 miles, around 34,100 fewer miles than is typical for its age. Priced at £48,500, it is advertised £388 above the AskCar estimate of £48,112. The AskCar estimate uses UK dealer asking prices, including 371 Mercedes-Benz SL adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 66 days ago. Its asking price has since fallen by £1,500. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Marlow Cars in Winchester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Marlow Cars is rated 4.6 out of 5 on Google.

Price

Fair price: £388 (under 1%) over the AskCar estimate of £48,112.

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 371 priced Mercedes-Benz SL adverts across different ages and specifications, as of 10 November 2026.

Time on sale

This 2015 Mercedes-Benz SL has been on sale for at least 66 days.

Price history

AskCar first saw this advert on 5 September 2026 at £50,000. Its asking price is now £48,500, £1,500 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

  • 22 September 2026: £50,000
  • 22 October 2026: £48,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 10 November 2026: valid until 18 January 2027.

It has had 7 MOTs. The latest, on 19 January 2026, passed.

Advisories at the latest test: engine cover and underside cover(s) fitted.

Mileage at that test: 20,150 miles, which matches the advertised 20,500 miles.

Advertised mileage is about 34,100 miles lower than the median mileage of a 2015 Mercedes-Benz SL on AskCar.

Browse all Mercedes-Benz SL cars for sale · 2015 Mercedes-Benz SL price guide

More like this

Photos

55 photos of this car are on its AskCar page.

As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.