2009 Mercedes-Benz SLK 1.8 SLK200K

Overview

• Make: Mercedes-Benz
• Model: SLK
• Version: 1.8 SLK200K Tiptronic RWD Euro 4 2dr (181 bhp)
• Year: 2009
• Mileage: 75,500 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 1.8 litres, 181 bhp
• Gearbox: Automatic (Tiptronic)
• Drive: Rear-wheel drive
• Colour: White
• CO2: 196 g/km
• Emissions standard: Euro 4, ULEZ compliant

About this car

This 2009 Mercedes-Benz SLK is advertised with 75,500 miles, approximately 6,600 above the typical mileage for its age. Priced at £5,000, it is advertised £235 above the AskCar estimate of £4,765. To work out the AskCar estimate, we analyse UK dealer adverts for 417 Mercedes-Benz SLK cars across different ages and specifications. We first recorded this advert 18 days ago, and its asking price has since fallen by £500. The government's MOT record matches its advertised mileage. It is advertised by Convertibles and 4x4's in Maidenhead. 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: £235 (4%) over the AskCar estimate of £4,765.

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 2009 Mercedes-Benz SLK with the 1.8 petrol engine is typically advertised at £6,000: the median of the 12 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2009 Mercedes-Benz SLK has been on sale for at least 18 days.

Price history

AskCar first saw this advert on 21 October 2026 at £5,500. Its asking price is now £5,000, £500 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 21 October 2026: £5,500
• 27 October 2026: £5,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 25 June 2027.

It failed its MOT on 25 June 2026 (nearside rear coil spring fractured or broken; nearside side repeater not working) and passed 1 day later, on 26 June 2026.

There were no advisories at the latest test.

Mileage at that test: 73,884 miles, which matches the advertised 75,500 miles.

Advertised mileage is about 6,600 miles higher than the median mileage of a 2009 Mercedes-Benz SLK on AskCar.