2008 Mercedes-Benz SLK 3.0 SLK280

Overview

• Make: Mercedes-Benz
• Model: SLK
• Version: 3.0 SLK280 7G-Tronic Auto RWD Euro 4 2dr (231 bhp)
• Year: 2008
• Mileage: 90,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 3.0 litres, 231 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 222 g/km
• Emissions standard: Euro 4, ULEZ compliant

About this car

This 2008 Mercedes-Benz SLK has covered 90,000 miles, around 6,200 more miles than is typical for its age. The dealer is asking £3,995, which is £550 below the AskCar estimate of £4,545. 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 car for sale 90 days ago. The recorded MOT expired on 30 September 2026, so ask the dealer whether it has been renewed. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is RMH Cars, based in Farnham. 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

Good value: £550 (12%) under the AskCar estimate of £4,545.

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 90 days.

Price history

AskCar first saw this advert on 11 August 2026 at £3,995. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: the latest record we hold ran out on 30 September 2026; ask the dealer for the current MOT.

It failed its MOT on 25 September 2025 (engine MIL inoperative or indicates a malfunction; offside rear service brake excessively binding; parking brake lever has excessive movement indicating incorrect adjustment; and 1 more) and passed 6 days later, on 1 October 2025.

There were no advisories at the latest test.

Mileage at that test: 90,295 miles, which matches the advertised 90,000 miles.

Advertised mileage is about 6,200 miles higher than the median mileage of a 2008 Mercedes-Benz SLK on AskCar.