2018 Mercedes-Benz SL 3.0 SL400 V6 AMG Line Premium

Overview

• Make: Mercedes-Benz
• Model: SL
• Trim: AMG Line Premium
• Version: 3.0 SL400 V6 AMG Line Premium G-Tronic+ RWD Euro 6 (s/s) 2dr Roadster (362 bhp)
• Year: 2018
• Mileage: 40,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 3.0 litres, 362 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: Silver
• CO2: 175 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mercedes-Benz SL AMG Line Premium has covered 40,000 miles. Its asking price of £34,995 is £956 above the AskCar estimate of £34,039. The AskCar estimate draws on 374 Mercedes-Benz SL adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 73 days ago. Its asking price has since fallen by £1,000. The recorded MOT expired on 29 October 2026, so ask the dealer whether it has been renewed. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at HR Sports and Classics in Warrington. 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: £956 (2%) over the AskCar estimate of £34,039.

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.

Time on sale

This 2018 Mercedes-Benz SL has been on sale for at least 73 days.

Price history

AskCar first saw this advert on 27 August 2026 at £35,995. Its asking price is now £34,995, £1,000 less. The latest price cut was seen on 17 October 2026.

Price changes recorded:

• 27 August 2026: £35,995
• 17 October 2026: £34,995

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 29 October 2026; ask the dealer for the current MOT.

It has had 6 MOTs. The latest, on 30 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 35,903 miles, which matches the advertised 40,000 miles.

Similar cars

1 other 2018 Mercedes-Benz SL AMG Line Premium 3.0 petrol automatic convertible is for sale at UK dealers, as of 8 November 2026.

The closest to this car in mileage:

• 2018 Mercedes-Benz SL AMG Line Premium, 3.0 petrol convertible, black. Mileage: 17,200 miles. Price: £40,995, £6,000 more than this car. Dealer: Yorkshire Vehicle Solutions in York. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2018-5ff6a4576cec