2018 Mercedes-Benz SLC 2.1 SLC250d AMG Line

Overview

• Make: Mercedes-Benz
• Model: SLC
• Trim: AMG Line
• Version: 2.1 SLC250d AMG Line G-Tronic RWD Euro 6 (s/s) 2dr (201 bhp)
• Year: 2018
• Mileage: 29,463 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 2 seats
• Engine: 2.1 litres, 201 bhp
• Gearbox: Automatic (G-Tronic)
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 114 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 29,463 miles on the clock, this 2018 Mercedes-Benz SLC AMG Line has done roughly 15,000 fewer miles than a typical 2018 Mercedes-Benz SLC. Its asking price of £16,995 is £217 below the AskCar estimate of £17,212. To work out the AskCar estimate, we analyse UK dealer adverts for 187 Mercedes-Benz SLC cars across different ages and specifications. We first saw this car advertised 92 days ago. Its asking price has since fallen by £1,993. The government's MOT record matches its advertised mileage. You can find this car at Junction 17 Cars Peterborough in Yaxley. 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: £217 (1%) under the AskCar estimate of £17,212.

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 187 priced Mercedes-Benz SLC adverts across different ages and specifications, as of 8 November 2026.

Time on sale

This 2018 Mercedes-Benz SLC has been on sale for at least 92 days.

Price history

AskCar first saw this advert on 8 August 2026 at £18,988. Its asking price is now £16,995, £1,993 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 8 August 2026: £18,988
• 15 October 2026: £18,475
• 23 October 2026: £17,975
• 29 October 2026: £17,475
• 6 November 2026: £16,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 30 June 2027.

It failed its MOT on 12 June 2026 (front windscreen washer not working) and passed later the same day.

Advisories at the latest test: nearside rear brake disc worn, pitted or scored, but not seriously weakened.

Mileage at that test: 28,997 miles, which matches the advertised 29,463 miles.

Advertised mileage is about 15,000 miles lower than the median mileage of a 2018 Mercedes-Benz SLC on AskCar.

Similar cars

5 other 2018 Mercedes-Benz SLC AMG Line 2.1 diesel automatic convertibles are for sale at UK dealers, from £13,995 to £17,000, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2018 Mercedes-Benz SLC AMG Line, 2.1 diesel convertible, grey. Mileage: 21,325 miles. Price: £16,980, the same price as this car. Dealer: Manamanx in Reading. AskCar page: https://askcar.co.uk/car/mercedes-benz-slc-2018-f37a75d106d3
• 2018 Mercedes-Benz SLC AMG Line, 2.1 diesel convertible, silver. Mileage: 20,000 miles. Price: £17,000, the same price as this car. Dealer: Sindh Autos in Birmingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-slc-2018-9fb590bd33d2
• 2018 Mercedes-Benz SLC AMG Line, 2.1 diesel convertible, black. Mileage: 41,700 miles. Price: £15,990, £1,005 less than this car. Dealer: Alpha Motors in Wigan. AskCar page: https://askcar.co.uk/car/mercedes-benz-slc-2018-05c616ae7e06