2005 Mercedes-Benz SLK 3.5 SLK350
Price: £4,000. Good value: £1,191 (22%) under the AskCar estimate of £5,191, 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: 3.5 SLK350 7G-Tronic Auto RWD Euro 4 2dr (272 bhp)
- Year: 2005
- Mileage: 56,500 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 2 seats
- Engine: 3.5 litres, 272 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Silver
- CO2: 242 g/km
- Emissions standard: Euro 4, ULEZ compliant
About this car
This 2005 Mercedes-Benz SLK has covered 56,500 miles, around 21,500 fewer miles than is typical for its age. Its asking price of £4,000 is £1,191 below the AskCar estimate of £5,191. The AskCar estimate uses 417 UK dealer adverts for the Mercedes-Benz SLK, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 123 days ago, the asking price has dropped by £595. We checked its advertised mileage against the government's MOT record, and they match. The seller is R & R, based in Harlow. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Good value: £1,191 (22%) under the AskCar estimate of £5,191.
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 2005 Mercedes-Benz SLK has been on sale for at least 123 days.
Price history
AskCar first saw this advert on 7 July 2026 at £4,595. Its asking price is now £4,000, £595 less. The latest price cut was seen on 9 August 2026.
Price changes recorded:
- 8 July 2026: £4,595
- 9 August 2026: £4,000
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 30 May 2027.
It has had 16 MOTs. The latest, on 21 May 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 56,565 miles, which matches the advertised 56,500 miles.
Advertised mileage is about 21,500 miles lower than the median mileage of a 2005 Mercedes-Benz SLK on AskCar.
Browse all Mercedes-Benz SLK cars for sale · 2005 Mercedes-Benz SLK price guide
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Photos
21 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.