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: 41,700 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

At 41,700 miles, this 2018 Mercedes-Benz SLC AMG Line has covered about 2,800 fewer miles than other 2018 Mercedes-Benz SLC cars. The dealer is asking £15,990, which is £89 below the AskCar estimate of £16,079. To work out the AskCar estimate, we analyse UK dealer adverts for 190 Mercedes-Benz SLC cars across different ages and specifications. The asking price is now £1,500 lower than when we first recorded the advert 43 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Alpha Motors, based in Wigan. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £89 (under 1%) under the AskCar estimate of £16,079.

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 190 priced Mercedes-Benz SLC adverts across different ages and specifications, as of 7 November 2026.

Time on sale

This 2018 Mercedes-Benz SLC has been on sale for at least 43 days.

Price history

AskCar first saw this advert on 25 September 2026 at £17,490. Its asking price is now £15,990, £1,500 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 25 September 2026: £17,490
• 15 October 2026: £16,990
• 31 October 2026: £15,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 8 April 2027.

It has had 7 MOTs. The latest, on 9 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 40,727 miles, which matches the advertised 41,700 miles.

Advertised mileage is about 2,800 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 7 November 2026.

The 3 closest to this car in mileage:

• 2018 Mercedes-Benz SLC AMG Line, 2.1 diesel convertible, black. Mileage: 53,459 miles. Price: £14,995, £995 less than this car. Dealer: Auto Sussex in Billingshurst. AskCar page: https://askcar.co.uk/car/mercedes-benz-slc-2018-ec74cd685c89
• 2018 Mercedes-Benz SLC AMG Line, 2.1 diesel convertible, black. Mileage: 29,463 miles. Price: £16,995, £1,005 more than this car. Dealer: Junction 17 Cars Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/mercedes-benz-slc-2018-6dc419ac22b1
• 2018 Mercedes-Benz SLC AMG Line, 2.1 diesel convertible, grey. Mileage: 21,325 miles. Price: £16,980, £990 more than this car. Dealer: Manamanx in Reading. AskCar page: https://askcar.co.uk/car/mercedes-benz-slc-2018-f37a75d106d3

• The nearest: 2018 Mercedes-Benz SLC AMG Line, 2.1 diesel convertible, silver, 80 miles from this car. Mileage: 20,000 miles. Price: £17,000, £1,010 more than this car. Dealer: Sindh Autos in Birmingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-slc-2018-9fb590bd33d2