2023 Mercedes-Benz SL 4.0 Premium Plus

Overview

• Make: Mercedes-Benz
• Model: SL
• Trim: Premium Plus
• Version: 4.0 Premium Plus Auto 4WD Euro 6 2dr
• Year: 2023
• Mileage: 6,512 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 4.0 litres
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 292 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 6,512 miles on the clock, this 2023 Mercedes-Benz SL Premium Plus has done roughly 4,500 fewer miles than a typical 2023 Mercedes-Benz SL. The AskCar estimate for this car is £86,511. It is priced at £82,995, which is £3,516 below that estimate. The AskCar estimate draws on 370 Mercedes-Benz SL adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 62 days ago, the asking price has dropped by £2,000. The seller is Agnew Group Mercedes-Benz Of Belfast, based in Belfast. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £3,516 (4%) under the AskCar estimate of £86,511.

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 370 priced Mercedes-Benz SL adverts across different ages and specifications, as of 9 November 2026.

A 2023 Mercedes-Benz SL with the 4.0 petrol engine is typically advertised at £86,000: the median of the 11 for sale on AskCar, as of 9 November 2026.

Time on sale

This 2023 Mercedes-Benz SL has been on sale for at least 62 days.

Price history

AskCar first saw this advert on 8 September 2026 at £84,995. Its asking price is now £82,995, £2,000 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 8 September 2026: £84,995
• 27 October 2026: £82,995

Mileage and MOT

Advertised mileage is about 4,500 miles lower than the median mileage of a 2023 Mercedes-Benz SL on AskCar.

Similar cars

4 other 2023 Mercedes-Benz SL Premium Plus 4.0 petrol automatic convertibles are for sale at UK dealers, from £71,495 to £94,750, as of 9 November 2026.

The 3 closest to this car in mileage:

• 2023 Mercedes-Benz SL Premium Plus, 4.0 petrol convertible, black. Mileage: 6,099 miles. Price: £85,000, £2,005 more than this car. Dealer: Kingsbridge in York. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2023-0f11a255a87c
• 2023 Mercedes-Benz SL Premium Plus, 4.0 petrol convertible, red. Mileage: 11,532 miles. Price: £94,750, £11,755 more than this car. Dealer: Sytner Group Mercedes-Benz of Bristol in Bristol. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2023-3cdb01a43e7b
• 2023 Mercedes-Benz SL Premium Plus, 4.0 petrol convertible, red. Mileage: 12,541 miles. Price: £86,000, £3,005 more than this car. Dealer: Sytner Group Mercedes-Benz of Newcastle in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2023-54b006e57f1b

• The nearest: 2023 Mercedes-Benz SL Premium Plus, 4.0 petrol convertible, black, 145 miles from this car. Mileage: 37,754 miles. Price: £71,495, £11,500 less than this car. Dealer: BVH Car Sales in Birkenhead. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2023-ae7eb95ae7ec