2009 Mercedes-Benz SLK 3.5 SLK350
Price: £6,995. Good value: £1,284 (15%) under the AskCar estimate of £8,279, our expected asking price for this car from its model, age, mileage and specification, drawing on 417 priced Mercedes-Benz SLK adverts on AskCar as of 8 November 2026.
AskCar lists 467 used Mercedes-Benz SLK from 364 UK dealerships, as of 8 November 2026.
Overview
- Make: Mercedes-Benz
- Model: SLK
- Version: 3.5 Auto RWD 2dr (300 bhp)
- Year: 2009
- Mileage: 31,000 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 2 seats
- Engine: 3.5 litres, 300 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Silver
- CO2: 219 g/km
About this car
With 31,000 miles on the clock, this 2009 Mercedes-Benz SLK has done roughly 37,900 fewer miles than a typical 2009 Mercedes-Benz SLK. Priced at £6,995, it is advertised £1,284 below the AskCar estimate of £8,279. 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 79 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Bam Autos in Waltham Cross. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Good value: £1,284 (15%) under the AskCar estimate of £8,279.
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.
Time on sale
This 2009 Mercedes-Benz SLK has been on sale for at least 79 days.
Price history
AskCar first saw this advert on 21 August 2026 at £6,995. 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 8 November 2026: valid until 15 January 2027.
It has had 17 MOTs. The latest, on 5 January 2026, passed.
Advisories at the latest test: nearside windscreen wiper blade defective perished and starting to split at end; central stop lamp(s) non-obligatory stop lamp not working; brake disc worn, pitted or scored, but not seriously weakened all have slight corrosion outer edges.
Mileage at that test: 31,474 miles, which matches the advertised 31,000 miles.
Advertised mileage is about 37,900 miles lower than the median mileage of a 2009 Mercedes-Benz SLK on AskCar.
Browse all Mercedes-Benz SLK cars for sale · 2009 Mercedes-Benz SLK price guide
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Photos
12 photos of this car are on its AskCar page.
As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.