2013 Mercedes-Benz SLK 2.1 AMG

Overview

• Make: Mercedes-Benz
• Model: SLK
• Trim: AMG
• Version: 2.1 SLK250 CDI AMG G-Tronic+ RWD Euro 5 (s/s) 2dr (201 bhp)
• Year: 2013
• Mileage: 52,000 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 2 seats
• Engine: 2.1 litres, 201 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 132 g/km
• Emissions standard: Euro 5

About this car

This 2013 Mercedes-Benz SLK AMG has covered 52,000 miles. The AskCar estimate for this car is £11,839. It is priced at £8,995, which is £2,844 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 417 Mercedes-Benz SLK cars across different ages and specifications. We first saw this car advertised 44 days ago. Its asking price has since fallen by £495. The last MOT shows 52,754 miles, more than the advert. This is worth checking with the dealer. The latest recorded MOT expires on 2 September 2027. It is for sale at Pontardawe Car Sales in Swansea. 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

Good value: £2,844 (24%) under the AskCar estimate of £11,839.

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

A 2013 Mercedes-Benz SLK with the 2.1 diesel engine is typically advertised at £7,400: the median of the 47 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2013 Mercedes-Benz SLK has been on sale for at least 44 days.

Price history

AskCar first saw this advert on 25 September 2026 at £9,490. Its asking price is now £8,995, £495 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

• 25 September 2026: £9,490
• 28 October 2026: £9,294
• 7 November 2026: £8,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 2 September 2027.

It failed its MOT on 25 August 2026 (nearside rear tyre tread depth below requirements of 1.6mm; offside rear tyre tread depth below requirements of 1.6mm) and passed 2 days later, on 27 August 2026.

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

Mileage at that test: 52,754 miles. The advert says 52,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 17,800 miles lower than the median mileage of a 2013 Mercedes-Benz SLK on AskCar.