2008 Mercedes-Benz SLK 3.5 SLK350

Overview

• Make: Mercedes-Benz
• Model: SLK
• Version: 3.5 350 Tip Auto RWD Euro 4 2dr (268 bhp)
• Year: 2008
• Mileage: 121,255 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 3.5 litres, 268 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Silver
• CO2: 242 g/km
• Emissions standard: Euro 4, ULEZ compliant

About this car

This 2008 Mercedes-Benz SLK has covered 121,255 miles, around 37,500 more miles than is typical for its age. The dealer is asking £6,495, which is £2,519 above the AskCar estimate of £3,976. To work out the AskCar estimate, we analyse UK dealer adverts for 407 Mercedes-Benz SLK cars across different ages and specifications. We first recorded this advert 30 days ago, and its asking price has since fallen by £500. The government's MOT record matches its advertised mileage. You can find this car at Bespoke Motor Solutions in Swindon. 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

Above the going rate: £2,519 (63%) over the AskCar estimate of £3,976.

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

Time on sale

This 2008 Mercedes-Benz SLK has been on sale for at least 30 days.

Price history

AskCar first saw this advert on 10 October 2026 at £6,995. Its asking price is now £6,495, £500 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 10 October 2026: £6,995
• 6 November 2026: £6,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: valid until 20 September 2027.

It failed its MOT on 17 September 2026 (offside windscreen wiper does not clear the windscreen effectively) and passed 4 days later, on 21 September 2026.

Advisories at the latest test: offside front wheel bearing has slight play.

Mileage at that test: 121,694 miles, which matches the advertised 121,255 miles.

Advertised mileage is about 37,500 miles higher than the median mileage of a 2008 Mercedes-Benz SLK on AskCar.