2010 Mercedes-Benz SLK 3.0 SLK300
Price: £5,500. Fair price: £8 (under 1%) under the AskCar estimate of £5,508, 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 7 November 2026.
AskCar lists 471 used Mercedes-Benz SLK from 369 UK dealerships, as of 7 November 2026.
Overview
- Make: Mercedes-Benz
- Model: SLK
- Version: 3.0 SLK300 G-Tronic RWD Euro 5 2dr (228 bhp)
- Year: 2010
- Mileage: 107,000 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 2 seats
- Engine: 3.0 litres, 228 bhp
- Gearbox: Automatic (G-Tronic)
- Drive: Rear-wheel drive
- Colour: Silver
- CO2: 209 g/km
- Emissions standard: Euro 5, ULEZ compliant
About this car
At 107,000 miles, this 2010 Mercedes-Benz SLK has covered about 33,000 more miles than other 2010 Mercedes-Benz SLK cars. The dealer is asking £5,500, which is £8 below the AskCar estimate of £5,508. To work out the AskCar estimate, we analyse UK dealer adverts for 417 Mercedes-Benz SLK cars across different ages and specifications. We first saw this car advertised 105 days ago. Its asking price has since fallen by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is AGS Automotive, based in Heathfield. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Fair price: £8 (under 1%) under the AskCar estimate of £5,508.
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.
Time on sale
This 2010 Mercedes-Benz SLK has been on sale for at least 105 days.
Price history
AskCar first saw this advert on 25 July 2026 at £6,500. Its asking price is now £5,500, £1,000 less. The latest price cut was seen on 6 September 2026.
Price changes recorded:
- 25 July 2026: £6,500
- 6 September 2026: £5,500
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 8 May 2027.
It has had 13 MOTs. The latest, on 9 May 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 106,705 miles, which matches the advertised 107,000 miles.
Advertised mileage is about 33,000 miles higher than the median mileage of a 2010 Mercedes-Benz SLK on AskCar.
Browse all Mercedes-Benz SLK cars for sale · 2010 Mercedes-Benz SLK price guide
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Photos
40 photos of this car are on its AskCar page.
As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.