2009 Mercedes-Benz SLK 1.8 SLK200K Kompressor

Overview

• Make: Mercedes-Benz
• Model: SLK
• Trim: Kompressor
• Version: 1.8 Kompressor Auto RWD 2dr (181 bhp)
• Year: 2009
• Mileage: 72,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 1.8 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 196 g/km

About this car

With 72,000 miles on the clock, this 2009 Mercedes-Benz SLK Kompressor has done roughly 3,100 more miles than a typical 2009 Mercedes-Benz SLK. The AskCar estimate for this car is £4,932. It is priced at £5,750, which is £818 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 417 Mercedes-Benz SLK cars across different ages and specifications. It first appeared in our advert records 163 days ago. The government's MOT record matches its advertised mileage. You can find this car at LM Select in Chesterfield. 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

Above the going rate: £818 (16%) over the AskCar estimate of £4,932.

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 7 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 7 November 2026.

Time on sale

This 2009 Mercedes-Benz SLK has been on sale for at least 163 days.

Price history

AskCar first saw this advert on 28 May 2026 at £5,750. 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 7 November 2026: valid until 25 November 2026.

It failed its MOT on 25 November 2025 (offside rear sub-frame corroded and seriously weakened on top aswell; offside rear lower suspension arm pin or bush excessively worn; nearside rear tyre tread depth below requirements of 1.6mm) and passed 1 day later, on 26 November 2025.

There were no advisories at the latest test.

Mileage at that test: 72,391 miles, which matches the advertised 72,000 miles.

Advertised mileage is about 3,100 miles higher than the median mileage of a 2009 Mercedes-Benz SLK on AskCar.

Similar cars

2 other 2009 Mercedes-Benz SLK Kompressor 1.8 petrol automatic convertibles are for sale at UK dealers, from £5,995 to £11,495, as of 7 November 2026.

The 2 closest to this car in mileage:

• 2009 Mercedes-Benz SLK Kompressor, 1.8 petrol convertible, green. Mileage: 46,000 miles. Price: £5,995, £245 more than this car. Dealer: Highland Trucks in Fort Augustus. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2009-7d145111408a
• 2009 Mercedes-Benz SLK Kompressor, 1.8 petrol convertible, black. Mileage: 36,049 miles. Price: £11,495, £5,745 more than this car. Dealer: John Kilkenny Cars in Broxburn. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2009-2b165d254e46