2014 Mercedes-Benz SL 3.5 SL350 V6 BlueEfficiency

Price: £23,750. Fair price: £1,347 (6%) over the AskCar estimate of £22,403, our expected asking price for this car from its model, age, mileage and specification, drawing on 374 priced Mercedes-Benz SL adverts on AskCar as of 8 November 2026.

AskCar lists 468 used Mercedes-Benz SL from 344 UK dealerships, as of 8 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: SL
  • Version: 3.5 SL350 V6 BlueEfficiency G-Tronic RWD Euro 5 (s/s) 2dr (302 bhp)
  • Year: 2014
  • Mileage: 27,000 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 2 seats
  • Engine: 3.5 litres, 302 bhp
  • Gearbox: Automatic (G-Tronic)
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 169 g/km
  • Emissions standard: Euro 5, ULEZ compliant

About this car

This 2014 Mercedes-Benz SL is advertised with 27,000 miles, approximately 28,000 below the typical mileage for its age. The AskCar estimate for this car is £22,403. It is priced at £23,750, which is £1,347 above that estimate. The AskCar estimate draws on 374 Mercedes-Benz SL adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 78 days. Its advertised mileage matches the government's MOT record. You can find this car at Castle Motors in Liskeard. 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

Fair price: £1,347 (6%) over the AskCar estimate of £22,403.

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 2014 Mercedes-Benz SL with the 3.5 petrol engine is typically advertised at £18,200: the median of the 16 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2014 Mercedes-Benz SL has been on sale for at least 78 days.

Price history

AskCar first saw this advert on 22 August 2026 at £23,750. 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 8 November 2026: valid until 22 May 2027.

It failed its MOT on 7 May 2026 (nearside windscreen wiper does not clear the windscreen effectively; offside windscreen wiper does not clear the windscreen effectively) and passed later the same day.

Advisories at the latest test: offside front tyre slightly damaged/cracking or perishing.

Mileage at that test: 27,234 miles, which matches the advertised 27,000 miles.

Advertised mileage is about 28,000 miles lower than the median mileage of a 2014 Mercedes-Benz SL on AskCar.

Browse all Mercedes-Benz SL cars for sale · 2014 Mercedes-Benz SL price guide

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Photos

48 photos of this car are on its AskCar page.

As of 8 November 2026, AskCar lists 595,762 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.