Used Mercedes-Benz SLK for sale under £3,000
There are 33 used Mercedes-Benz SLK under £3,000 for sale from UK dealers on AskCar, as of 12 November 2026. Typical asking price £2,500 (the median: half cost less, half cost more). The cheapest is £1,250. AskCar lists 465 used Mercedes-Benz SLK across the UK, from 366 dealerships.
The middle half of the 33 cars are priced between £2,400 and £3,000.
As of 12 November 2026, AskCar lists 596,362 cars and vans from 12,840 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
7 of the 33 cars had their price reduced in the last 14 days to 12 November 2026.
Cars for sale now
Best value first: the cars priced furthest below their AskCar estimate come first, and those without one come after. The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 415 priced Mercedes-Benz SLK adverts on AskCar as of 12 November 2026.
Each car: year, make, model, engine and trim, power, gearbox, fuel, body, doors, colour; mileage; price and its changes; how the price compares with the AskCar estimate; emissions standard and ULEZ compliance where it holds; MOT; dealer and town; AskCar page.
Cheaper cars like each one, with its price history, are on its AskCar page.
- 2004 Mercedes-Benz SLK 2.0 SLK200 Kompressor, 163 bhp, automatic, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 55,000 miles. Price: £2,500, reduced by £1,000 from £3,500 since AskCar first saw it on 24 September 2026, 49 days ago. Good value: £692 (21%) under the AskCar estimate of £3,192. Euro 3 emissions standard. Dealer: W4 Car Sales in Ealing. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2004-ab456bd800c8
- 2002 Mercedes-Benz SLK 2.0 SLK200 Kompressor, 163 bhp, automatic, petrol, convertible, 2 doors, 2 seats, blue. Mileage: 86,000 miles. Price: £2,490, reduced by £500 from £2,990 since AskCar first saw it on 29 June 2026, 136 days ago. Good value: £608 (19%) under the AskCar estimate of £3,098. Euro 3 emissions standard. MOT: the latest record we hold ran out on 5 November 2026; ask the dealer for the current MOT. Dealer: Affordable Cars Of Kent in Rochester. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2002-46328f9fb5f0
- 2005 Mercedes-Benz SLK 1.8 SLK200 Kompressor, 163 bhp, automatic, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 78,000 miles. Price: £2,489, unchanged since AskCar first saw it on 1 November 2026, 11 days ago. Good value: £575 (18%) under the AskCar estimate of £3,064. MOT: valid until 23 September 2027. Dealer: Capital Cars in Sheffield. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2005-dc2ff6fed584
- 2004 Mercedes-Benz SLK 2.0 SLK200 Kompressor, 163 bhp, manual, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 57,000 miles. Price: £2,695, reduced by £300 from £2,995 since AskCar first saw it on 28 May 2026, 168 days ago. Good value: £349 (11%) under the AskCar estimate of £3,044. Euro 3 emissions standard. MOT: valid until 21 May 2027. Dealer: Newlands Motor Company in Mitcham. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2004-a11ffc531c56
- 2006 Mercedes-Benz SLK 1.8 Kompressor, 160 bhp, manual, petrol, convertible, 2 doors, 2 seats, black. Mileage: 101,285 miles. Price: £1,999, reduced by £500 from £2,499 since AskCar first saw it on 2 July 2026, 133 days ago. Good value: £208 (9%) under the AskCar estimate of £2,207. Euro 4 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 7 November 2026; ask the dealer for the current MOT. Dealer: MK Best Car Deals in Milton Keynes. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2006-34c1feef9f66
- 2005 Mercedes-Benz SLK 1.8 SLK200 Kompressor, 163 bhp, automatic, petrol, convertible, 2 doors, 2 seats, black. Mileage: 97,757 miles. Price: £2,395, reduced by £1,080 from £3,475 since AskCar first saw it on 30 May 2026, 166 days ago. Good value: £239 (9%) under the AskCar estimate of £2,634. MOT: valid until 31 May 2027. Dealer: Sundon Autos in Luton. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2005-72e24c182c95
- 2005 Mercedes-Benz SLK 1.8 SLK200 Kompressor, 163 bhp, manual, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 119,699 miles. Price: £1,995, reduced by £400 from £2,395 since AskCar first saw it on 12 October 2026, 31 days ago. Good value: £177 (8%) under the AskCar estimate of £2,172. MOT: valid until 5 October 2027. Dealer: Scs Car Sales in Burnley. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2005-e9b8ec810923
- 2004 Mercedes-Benz SLK 1.8 SLK200 Kompressor, 163 bhp, automatic, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 102,000 miles. Price: £2,295, unchanged since AskCar first saw it on 11 August 2026, 93 days ago. Fair price: £160 (6%) under the AskCar estimate of £2,455. MOT: the latest record we hold ran out on 1 November 2024; ask the dealer for the current MOT. Dealer: Roberts Car Sales North West in Flint. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2004-55c369d9cdac
- 2009 Mercedes-Benz SLK 1.8 SLK200K, 181 bhp, automatic, petrol, convertible, 2 doors, 2 seats, white. Mileage: 126,700 miles. Price: £2,995, reduced by £500 from £3,495 since AskCar first saw it on 22 October 2026, 21 days ago. Fair price: £140 (4%) under the AskCar estimate of £3,135. Euro 4 emissions standard. ULEZ compliant. MOT: valid until 13 July 2027. Dealer: Fame Cars in Birmingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2009-8cd27964a36b
- 2006 Mercedes-Benz SLK 1.8 SLK200 Kompressor, 163 bhp, automatic, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 116,000 miles. Price: £2,495, raised by £496 from £1,999 since AskCar first saw it on 28 May 2026, 168 days ago. Fair price: £78 (3%) under the AskCar estimate of £2,573. Euro 4 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 10 June 2026; ask the dealer for the current MOT. Dealer: Cars Club Cars Hub in Slough. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2006-e5a4a11a5d9e
- 2008 Mercedes-Benz SLK 1.8 SLK200K, 181 bhp, automatic, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 108,000 miles. Price: £2,995, unchanged since AskCar first saw it on 24 September 2026, 49 days ago. Fair price: £68 (2%) under the AskCar estimate of £3,063. Euro 4 emissions standard. ULEZ compliant. MOT: valid until 30 July 2027. Dealer: S G Auto Care in Poole. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2008-23fcec5feff7
- 2005 Mercedes-Benz SLK 1.8 SLK200 Kompressor, 163 bhp, automatic, petrol, convertible, 2 doors, 2 seats, black. Mileage: 80,000 miles. Price: £2,990, reduced by £505 from £3,495 since AskCar first saw it on 29 September 2026, 44 days ago. Fair price: £27 (under 1%) under the AskCar estimate of £3,017. MOT: valid until 7 September 2027. Dealer: Roberts Car Sales North West in Flint. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2005-3aa9a65c2878
- 2005 Mercedes-Benz SLK 1.8 SLK200 Kompressor, 163 bhp, automatic, petrol, convertible, 2 doors, 2 seats, black. Mileage: 82,000 miles. Price: £2,995, unchanged since AskCar first saw it on 25 September 2026, 48 days ago. Fair price: £24 (under 1%) over the AskCar estimate of £2,971. MOT: valid until 12 September 2027. Dealer: Radlett Cars in Radlett. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2005-c41e2259ea10
- 2004 Mercedes-Benz SLK 2.0 SLK200 Kompressor, 163 bhp, automatic, petrol, convertible, 2 doors, 2 seats, red. Mileage: 90,000 miles. Price: £2,495, unchanged since AskCar first saw it on 25 September 2026, 48 days ago. Fair price: £31 (1%) over the AskCar estimate of £2,464. Euro 3 emissions standard. MOT: valid until 3 March 2027. Dealer: Radlett Cars in Radlett. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2004-bfab3d9e6068
- 2003 Mercedes-Benz SLK 2.3 SLK230 Kompressor, 197 bhp, automatic, petrol, convertible, 2 doors, 2 seats, blue. Mileage: 127,000 miles. Price: £2,995, reduced by £500 from £3,495 since AskCar first saw it on 11 August 2026, 93 days ago. Fair price: £102 (3%) over the AskCar estimate of £2,893. Euro 3 emissions standard. MOT: the latest record we hold ran out on 22 May 2024; ask the dealer for the current MOT. Dealer: Roberts Car Sales North West in Flint. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2003-94d1685ffe70
- 2008 Mercedes-Benz SLK 1.8 SLK200 Kompressor, 163 bhp, automatic, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 130,000 miles. Price: £2,995, unchanged since AskCar first saw it on 30 October 2026, 13 days ago. Fair price: £154 (5%) over the AskCar estimate of £2,841. Euro 4 emissions standard. ULEZ compliant. MOT: valid until 16 November 2026. Dealer: The Drivers Gallery in Bromsgrove. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2008-e0c19e9f1214
- 2005 Mercedes-Benz SLK 1.8 SLK200 Kompressor, 163 bhp, automatic, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 89,000 miles. Price: £2,990, unchanged since AskCar first saw it on 7 November 2026, 5 days ago. Fair price: £173 (6%) over the AskCar estimate of £2,817. MOT: valid until 22 August 2027. Dealer: See Cars Nottingham in Little Eaton. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2005-6f5d85603faa
- 2004 Mercedes-Benz SLK 1.8 SLK200 Kompressor, 163 bhp, manual, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 79,000 miles. Price: £3,000, unchanged since AskCar first saw it on 10 July 2026, 125 days ago. Above the going rate: £243 (8%) over the AskCar estimate of £2,757. Euro 3 emissions standard. MOT: valid until 2 July 2027. Dealer: Logic 1 Vehicle Solutions in Ash and Ash Vale. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2004-2e8c3f43ccdd
- 2006 Mercedes-Benz SLK 1.8 SLK200 Kompressor, 163 bhp, automatic, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 137,000 miles. Price: £2,598, raised by £398 from £2,200 since AskCar first saw it on 28 May 2026, 168 days ago. Above the going rate: £383 (17%) over the AskCar estimate of £2,215. Euro 4 emissions standard. ULEZ compliant. MOT: valid until 22 November 2026. Dealer: Sipson Cars in Harrow. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2006-b0d43972645f
- 1998 Mercedes-Benz SLK 2.3, 193 bhp, automatic, petrol, convertible, 2 doors, 2 seats, blue. Mileage: 48,000 miles. Price: £2,450, unchanged since AskCar first saw it on 11 September 2026, 62 days ago. Far below the going rate: £7,078 (74%) under the AskCar estimate of £9,528. Worth asking the dealer why. Euro 2 emissions standard. MOT: valid until 21 July 2027. Dealer: Norton Automotive in Aylesbury. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-1998-960cd187a4cf
- 1998 Mercedes-Benz SLK 2.3, 193 bhp, automatic, petrol, convertible, 2 doors, 2 seats, black. Mileage: 117,066 miles. Price: £1,695, reduced by £805 from £2,500 since AskCar first saw it on 4 September 2026, 69 days ago. Far below the going rate: £4,092 (70%) under the AskCar estimate of £5,787. Worth asking the dealer why. Euro 2 emissions standard. MOT: valid until 9 June 2027. Dealer: Scott's of Leeds in Leeds. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-1998-9843cd667493
- 2007 Mercedes-Benz SLK 1.8 SLK200 Kompressor, 163 bhp, automatic, petrol, convertible, 2 doors, 2 seats, blue. Mileage: 51,906 miles. Price: £1,250, unchanged since AskCar first saw it on 12 November 2026. Far below the going rate: £2,873 (69%) under the AskCar estimate of £4,123. Worth asking the dealer why. Euro 4 emissions standard. ULEZ compliant. MOT: valid until 17 March 2027. Dealer: Motorology in Liverpool. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2007-74f5bb50b839
- 1998 Mercedes-Benz SLK 2.3 Kompressor, 193 bhp, automatic, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 89,000 miles. Price: £2,295, unchanged since AskCar first saw it on 28 May 2026, 168 days ago. Far below the going rate: £3,055 (57%) under the AskCar estimate of £5,350. Worth asking the dealer why. Euro 2 emissions standard. MOT: valid until 22 May 2027. Dealer: AutoMart Car Sales in Sunbury-on-Thames. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-1998-51f5a6f89389
- 2003 Mercedes-Benz SLK 3.2 SLK320, 218 bhp, automatic, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 48,041 miles. Price: £3,000, reduced by £250 from £3,250 since AskCar first saw it on 25 September 2026, 48 days ago. Far below the going rate: £3,427 (53%) under the AskCar estimate of £6,427. Worth asking the dealer why. Euro 3 emissions standard. MOT: valid until 1 March 2027. Dealer: Alpino Cars in Manchester. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2003-e2264b00832c
- 2006 Mercedes-Benz SLK 1.8 SLK200 Kompressor, 163 bhp, automatic, petrol, convertible, 2 doors, 2 seats, black. Mileage: 57,000 miles. Price: £2,400, reduced by £99 from £2,499 since AskCar first saw it on 22 October 2026, 21 days ago. Far below the going rate: £1,585 (39%) under the AskCar estimate of £3,985. Worth asking the dealer why. Euro 4 emissions standard. ULEZ compliant. Dealer: Vicks Motors in Birmingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2006-b5ddeea56cdb
- 2004 Mercedes-Benz SLK 3.5 SLK350, 272 bhp, automatic, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 74,091 miles. Price: £2,995, unchanged since AskCar first saw it on 26 September 2026, 47 days ago. Far below the going rate: £1,963 (39%) under the AskCar estimate of £4,958. Worth asking the dealer why. Euro 3 emissions standard. MOT: valid until 12 August 2027. Dealer: Andrew Howie Cars in Hailsham. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2004-075bfd38e404
- 2002 Mercedes-Benz SLK 3.2 SLK320, 218 bhp, automatic, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 79,000 miles. Price: £2,995, reduced by £505 from £3,500 since AskCar first saw it on 4 September 2026, 69 days ago. Far below the going rate: £1,838 (38%) under the AskCar estimate of £4,834. Worth asking the dealer why. Euro 3 emissions standard. MOT: valid until 9 March 2027. Dealer: GBR Auto Group in Bolton. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2002-33e8c13f9676
- 2009 Mercedes-Benz SLK, automatic, petrol, convertible, 2 doors, silver. Mileage: 89,000 miles. Price: £2,995, unchanged since AskCar first saw it on 28 May 2026, 168 days ago. Far below the going rate: £1,806 (37%) under the AskCar estimate of £4,801. Worth asking the dealer why. MOT: the latest record we hold ran out on 5 April 2023; ask the dealer for the current MOT. Dealer: Carman 4X4 in Hilton. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2009-0b392e7b5208
- 2008 Mercedes-Benz SLK 1.8 SLK200K, 181 bhp, automatic, petrol, convertible, 2 doors, 2 seats, black. Mileage: 73,645 miles. Price: £2,495, unchanged since AskCar first saw it on 2 November 2026, 10 days ago. Far below the going rate: £1,472 (37%) under the AskCar estimate of £3,967. Worth asking the dealer why. Euro 4 emissions standard. ULEZ compliant. MOT: valid until 27 December 2026. Dealer: Autoplex Motors in Bury. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2008-5065cdb5f1c2
- 2008 Mercedes-Benz SLK 1.8 SLK200K, 181 bhp, automatic, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 85,000 miles. Price: £2,495, unchanged since AskCar first saw it on 9 November 2026, 3 days ago. Far below the going rate: £1,142 (31%) under the AskCar estimate of £3,637. Worth asking the dealer why. Euro 4 emissions standard. ULEZ compliant. MOT: valid until 6 December 2026. Dealer: Martin Powley Motors in Norwich. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2008-fc0008e1cf7e
- 2005 Mercedes-Benz SLK 1.8 SLK200 Kompressor, 163 bhp, manual, petrol, convertible, 2 doors, 2 seats, blue. Mileage: 123,186 miles. Price: £1,495, unchanged since AskCar first saw it on 7 November 2026, 5 days ago. Far below the going rate: £623 (29%) under the AskCar estimate of £2,118. Worth asking the dealer why. MOT: valid until 15 May 2027. Dealer: Team Auto Sales in Southend-on-Sea. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2005-52e84c9b2793
- 2008 Mercedes-Benz SLK 1.8 SLK200K, 181 bhp, automatic, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 89,000 miles. Price: £2,490, reduced by £1,009 from £3,499 since AskCar first saw it on 1 October 2026, 42 days ago. Far below the going rate: £1,037 (29%) under the AskCar estimate of £3,527. Worth asking the dealer why. Euro 4 emissions standard. ULEZ compliant. MOT: valid until 29 September 2027. Dealer: Khan Rovers in Woking. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2008-41101cd7755a
- 2003 Mercedes-Benz SLK 2.3 SLK230 Kompressor, 197 bhp, automatic, petrol, convertible, 2 doors, 2 seats, black. Price: £2,295, reduced by £200 from £2,495 since AskCar first saw it on 30 October 2026, 13 days ago. Euro 3 emissions standard. MOT: valid until 9 December 2026. Dealer: Riviera Car Centre in Paignton. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2003-9af81c4b5799
Mercedes-Benz SLK by gearbox, fuel and body
- Automatic Mercedes-Benz SLK (414 cars)
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Mercedes-Benz SLK under £3,000 by gearbox, fuel and body
Mercedes-Benz SLK prices by year
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Mercedes-Benz SLK by price
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