2015 Mercedes-Benz SL

3.0 SL400 AMG Sport G-Tronic+ RWD Euro 6 (s/s) 2dr (328 bhp)

£24,555

Fair price: within 8% of the typical £24,582 for this model, age and mileage, drawing on 366 adverts of this make and model.

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)
Mileage: 27,100 miles
Year: 2015
Fuel type: Petrol
Body type: Convertible
Engine: 3.0 L
Gearbox: Automatic
Power: 328 bhp
Seats: 2
CO2: 179 g/km
Colour: Red
Doors: 2
Driven wheels: Rear Wheel Drive
Gearbox version: G-Tronic+
Engine badge: SL400
Emissions standard: Euro 6

About this car

This 2015 Mercedes-Benz SL AMG Sport is advertised with 27,100 miles, approximately 29,900 below the typical mileage for its age. Our estimated market asking price is £24,582. This car is advertised at £24,555, which is £27 below that figure. The estimate uses 366 UK dealer adverts for the Mercedes-Benz SL, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 2 days ago, the asking price has dropped by £222. The latest MOT record shows an expiry date of 19 April 2027, with the advertised mileage consistent with the recorded reading. It is advertised by Good Motors in Bury.

Stock data from 26 October 2026.

How we estimate prices and check cars

Price history

First seen on 25 October 2026, 2 days ago. Advert duration calculated on 27 October 2026. Net asking-price reduction: £222 from the first recorded £24,777. 1 price reduction recorded, the latest observed on 26 October 2026.

Recorded asking prices
Date observed	Asking price
25 October 2026	£24,777
26 October 2026	£24,555

Price and mileage comparison

Estimated market asking price: £24,582. The asking price is £27 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 366 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 29,900 miles lower than typical for a 2015 Mercedes-Benz SL.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 19 April 2027. 26,594 miles at the last test.

22 other cars with the same year, trim, gearbox and fuel are for sale from £15,975 to £35,995.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£15,975	60,900 miles
£15,995	96,000 miles
£16,490	98,000 miles
£16,995	74,700 miles
£17,490	83,500 miles

These cars have covered 27,000–98,000 miles, compared with 27,100 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

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

Vehicle photos

AskCar lists 579,238 cars from 12,980 UK dealer locations, read and updated daily from dealer websites. More than any other UK site. No dealer pays to be listed.