2005 Mercedes-Benz SLK 3.5 SLK350
Price: £4,999. Fair price: £411 (7%) under the AskCar estimate of £5,410, 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 Auto RWD 2dr (272 bhp)
- Year: 2005
- Mileage: 56,316 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
About this car
This 2005 Mercedes-Benz SLK is advertised with 56,316 miles, approximately 21,700 below the typical mileage for its age. The AskCar estimate for this car is £5,410. It is priced at £4,999, which is £411 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 417 Mercedes-Benz SLK cars across different ages and specifications. We first recorded this car for sale 82 days ago. Its advertised mileage matches the government's MOT record. The seller is Herts Used Cars, based in Hemel Hempstead. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Fair price: £411 (7%) under the AskCar estimate of £5,410.
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 82 days.
Price history
AskCar first saw this advert on 17 August 2026 at £4,999. 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 8 April 2027.
It has had 23 MOTs. The latest, on 9 April 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 53,683 miles, which matches the advertised 56,316 miles.
Advertised mileage is about 21,700 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
39 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.