2017 Mercedes-Benz SL

3.0 SL400 V6 AMG Line G-Tronic+ RWD Euro 6 (s/s) 2dr Roadster (362 bhp)

£35,570

Fair price: within 8% of the typical £36,507 for this model, age and mileage, drawing on 365 adverts of this make and model.

Overview

Make
Mercedes-Benz
Model
SL
Trim
AMG LINE
Version
3.0 SL400 V6 AMG Line G-Tronic+ RWD Euro 6 (s/s) 2dr Roadster (362 bhp)
Mileage
13,450 miles
Year
2017
Fuel type
Petrol
Body type
Convertible
Engine
3.0 L
Gearbox
Automatic
Power
362 bhp
Seats
2
CO2
175 g/km
Colour
Grey
Doors
2
Driven wheels
Rear Wheel Drive
Gearbox version
G-Tronic+
Engine badge
SL400 V6
Emissions standard
Euro 6

About this car

At 13,450 miles, this 2017 Mercedes-Benz SL AMG Line has covered about 18,000 fewer miles than other 2017 Mercedes-Benz SL cars. The dealer is asking £35,570, which is £937 below our market estimate of £36,507. Our estimate draws on 365 Mercedes-Benz SL adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 91 days ago, the asking price has dropped by £1,429. That history is worth bearing in mind when speaking to the dealer. Its MOT is recorded as valid until 22 July 2027. The advertised mileage is consistent with the latest MOT reading. It is for sale at J R R Cars in Chorley.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 26 July 2026, 91 days ago. Advert duration calculated on 25 October 2026. Net asking-price reduction: £1,429 from the first recorded £36,999. 6 price reductions recorded, the latest observed on 20 October 2026.

Recorded asking prices
Date observedAsking price
26 July 2026£36,999
11 September 2026£36,500
22 September 2026£36,000
9 October 2026£35,900
12 October 2026£35,850
15 October 2026£35,640
20 October 2026£35,570
23 October 2026£35,570

Price and mileage comparison

Estimated market asking price: £36,507. The asking price is £937 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 365 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 18,000 miles lower than typical for a 2017 Mercedes-Benz SL.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 22 July 2027. 13,395 miles at the last test.

8 other cars with the same year, trim, gearbox and fuel are for sale from £19,999 to £38,495.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£19,99986,417 miles
£29,99546,000 miles
£32,99040,000 miles
£34,90020,999 miles
£34,99027,000 miles

These cars have covered 13,968–86,417 miles, compared with 13,450 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 · 2017 Mercedes-Benz SL price guide

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Vehicle photos

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