2006 Mercedes-Benz SLK 3.5 SLK350
Price: £6,000. Above the going rate: £1,046 (21%) over the AskCar estimate of £4,954, our expected asking price for this car from its model, age, mileage and specification, drawing on 407 priced Mercedes-Benz SLK adverts on AskCar as of 9 November 2026.
AskCar lists 459 used Mercedes-Benz SLK from 358 UK dealerships, as of 9 November 2026.
Overview
- Make: Mercedes-Benz
- Model: SLK
- Version: 3.5 SLK350 7G-Tronic Auto RWD Euro 4 2dr (272 bhp)
- Year: 2006
- Mileage: 75,000 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 2 seats
- Engine: 3.5 litres, 272 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Black
- CO2: 242 g/km
- Emissions standard: Euro 4, ULEZ compliant
About this car
This 2006 Mercedes-Benz SLK is advertised with 75,000 miles, approximately 2,000 above the typical mileage for its age. The AskCar estimate for this car is £4,954. It is priced at £6,000, which is £1,046 above that estimate. The AskCar estimate draws on 407 Mercedes-Benz SLK adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 59 days ago. The government's MOT record matches its advertised mileage. It is for sale at W4 Car Sales in London. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 9 November 2026.
Price
Above the going rate: £1,046 (21%) over the AskCar estimate of £4,954.
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 2006 Mercedes-Benz SLK has been on sale for at least 59 days.
Price history
AskCar first saw this advert on 11 September 2026 at £6,000. 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: valid until 23 August 2027.
It has had 19 MOTs. The latest, on 24 August 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 75,276 miles, which matches the advertised 75,000 miles.
Advertised mileage is about 2,000 miles higher than the median mileage of a 2006 Mercedes-Benz SLK on AskCar.
Browse all Mercedes-Benz SLK cars for sale · 2006 Mercedes-Benz SLK price guide
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Photos
100 photos of this car are on its AskCar page.
As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.