Used Mercedes-Benz SLK for sale near Basildon
There are 26 used Mercedes-Benz SLK for sale from UK dealers within 20 miles of Basildon on AskCar, as of 9 November 2026. Typical asking price £7,500 (the median: half cost less, half cost more). The cheapest is £1,495. AskCar lists 459 used Mercedes-Benz SLK across the UK, from 358 dealerships.
The middle half of the 26 cars are priced between £4,600 and £8,500.
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.
Price reductions near Basildon
8 of the 26 Mercedes-Benz SLK within 20 miles of Basildon had their price reduced in the last 14 days to 9 November 2026. Each one's line in the list below says by how much.
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 407 priced Mercedes-Benz SLK adverts on AskCar as of 9 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, town and distance; AskCar page.
Cheaper cars like each one, with its price history, are on its AskCar page.
- 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, 133 days ago. Good value: £648 (20%) under the AskCar estimate of £3,138. 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, 13 miles from Basildon. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2002-46328f9fb5f0
- 2009 Mercedes-Benz SLK 1.8 SLK200K, 181 bhp, automatic, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 94,000 miles. Price: £3,495, reduced by £200 from £3,695 since AskCar first saw it on 30 August 2026, 71 days ago. Good value: £584 (14%) under the AskCar estimate of £4,079. Euro 4 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 17 September 2026; ask the dealer for the current MOT. Dealer: Empire 22 Car Sales in Rochester, 14 miles from Basildon. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2009-784ecc5211dd
- 2014 Mercedes-Benz SLK 2.1 SLK250 CDI, 201 bhp, automatic, diesel, convertible, 2 doors, 2 seats, black. Mileage: 58,000 miles. Price: £7,450, reduced by £500 from £7,950 since AskCar first saw it on 26 September 2026, 44 days ago. Good value: £1,122 (13%) under the AskCar estimate of £8,572. Euro 5 emissions standard. MOT: the latest record we hold ran out on 4 August 2026; ask the dealer for the current MOT. Dealer: S I Motors in Havering, 12 miles from Basildon. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-9260d875b48d
- 2015 Mercedes-Benz SLK 1.8 SLK200 AMG Sport, 181 bhp, manual, petrol, convertible, 2 doors, 2 seats, red. Mileage: 39,390 miles. Price: £9,490, reduced by £500 from £9,990 since AskCar first saw it on 27 October 2026, 13 days ago. Fair price: £690 (6%) under the AskCar estimate of £10,180. Euro 5 emissions standard. ULEZ compliant. MOT: valid until 6 October 2027. Dealer: SJS Motor Company Kent in Gillingham, 16 miles from Basildon. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-2f0398337631
- 2012 Mercedes-Benz SLK 2.1 SLK250 CDI BlueEfficiency AMG Sport, 201 bhp, automatic, diesel, convertible, 2 doors, 2 seats, silver. Mileage: 58,000 miles. Price: £7,550, unchanged since AskCar first saw it on 11 August 2026, 90 days ago. Fair price: £453 (5%) under the AskCar estimate of £8,003. Euro 5 emissions standard. MOT: the latest record we hold ran out on 25 October 2026; ask the dealer for the current MOT. Dealer: IGWS Autos Romford in Romford, 11 miles from Basildon. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-94352ec6e1c7
- 2012 Mercedes-Benz SLK 1.8 SLK200 BlueEfficiency AMG Sport, 181 bhp, automatic, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 87,277 miles. Price: £6,490, reduced by £301 from £6,791 since AskCar first saw it on 12 August 2026, 89 days ago. Fair price: £386 (5%) under the AskCar estimate of £6,876. Euro 5 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 10 September 2026; ask the dealer for the current MOT. Dealer: G.A.P Autos in Basildon, 4 miles from Basildon. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-d361ed6d33b0
- 2013 Mercedes-Benz SLK 1.8 AMG Sport, 181 bhp, automatic, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 57,596 miles. Price: £8,545, reduced by £450 from £8,995 since AskCar first saw it on 22 October 2026, 18 days ago. Fair price: £462 (5%) under the AskCar estimate of £9,007. Euro 5 emissions standard. ULEZ compliant. Dealer: West Street Car Sales in Sittingbourne, 20 miles from Basildon. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2013-ab972bb30aae
- 2006 Mercedes-Benz SLK 3.0 SLK280, 231 bhp, automatic, petrol, convertible, 2 doors, 2 seats, black. Mileage: 76,000 miles. Price: £4,495, reduced by £500 from £4,995 since AskCar first saw it on 14 July 2026, 118 days ago. Fair price: £224 (4%) under the AskCar estimate of £4,719. Euro 4 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 26 August 2026; ask the dealer for the current MOT. Dealer: Alexander Car Sales in Havering, 12 miles from Basildon. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2006-22a5a5cca9a9
- 2014 Mercedes-Benz SLK 2.1 SLK250 CDI AMG Sport, 201 bhp, automatic, diesel, convertible, 2 doors, 2 seats, grey. Mileage: 51,000 miles. Price: £9,250, reduced by £50 from £9,300 since AskCar first saw it on 28 May 2026, 165 days ago. Fair price: £354 (3%) under the AskCar estimate of £9,604. Euro 5 emissions standard. MOT: valid until 28 April 2027. Dealer: Cars Under 3000 in Rayleigh, 6 miles from Basildon. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-4f9829dd3df1
- 2013 Mercedes-Benz SLK 2.1 SLK250 CDI AMG Sport, 201 bhp, automatic, diesel, convertible, 2 doors, 2 seats, silver. Mileage: 73,000 miles. Price: £7,440, reduced by £1,000 from £8,440 since AskCar first saw it on 18 July 2026, 114 days ago. Fair price: £269 (3%) under the AskCar estimate of £7,709. Euro 5 emissions standard. MOT: valid until 16 February 2027. Dealer: John Hammick in Havering, 12 miles from Basildon. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2013-590b0d87b05a
- 2015 Mercedes-Benz SLK 2.1 SLK250 CDI, 201 bhp, automatic, diesel, convertible, 2 doors, 2 seats, red. Mileage: 80,661 miles. Price: £7,695, reduced by £100 from £7,795 since AskCar first saw it on 18 September 2026, 52 days ago. Fair price: £143 (1%) under the AskCar estimate of £7,838. Euro 5 emissions standard. MOT: valid until 24 March 2027. Dealer: Max Bradley Cars in Maldon, 13 miles from Basildon. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-fe69ca406650
- 2012 Mercedes-Benz SLK 1.8 SLK200 BlueEfficiency AMG Sport, 181 bhp, automatic, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 54,506 miles. Price: £8,599, reduced by £200 from £8,799 since AskCar first saw it on 11 September 2026, 59 days ago. Fair price: £150 (1%) under the AskCar estimate of £8,749. Euro 5 emissions standard. ULEZ compliant. MOT: valid until 3 August 2027. Dealer: Luxo Motors in Epping, 20 miles from Basildon. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-fcba06bae22b
- 2011 Mercedes-Benz SLK 1.8 SLK200 BlueEfficiency AMG Sport Edition 125, 181 bhp, automatic, petrol, convertible, 2 doors, 2 seats, black. Mileage: 106,000 miles. Price: £5,690, reduced by £300 from £5,990 since AskCar first saw it on 28 May 2026, 165 days ago. Fair price: £45 (under 1%) under the AskCar estimate of £5,735. Euro 5 emissions standard. ULEZ compliant. MOT: valid until 5 January 2027. Dealer: JMY Car Sales in Chelmsford, 10 miles from Basildon. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2011-6d387d55a852
- 2015 Mercedes-Benz SLK 1.8 SLK200 AMG Sport, 181 bhp, manual, petrol, convertible, 2 doors, 2 seats, white. Mileage: 73,500 miles. Price: £8,195, reduced by £300 from £8,495 since AskCar first saw it on 29 September 2026, 41 days ago. Fair price: £64 (under 1%) over the AskCar estimate of £8,131. Euro 5 emissions standard. ULEZ compliant. MOT: valid until 30 July 2027. Dealer: Pay Less 4 A Car in Billericay, 4 miles from Basildon. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-1c08a816087a
- 2015 Mercedes-Benz SLK 2.1 SLK250 CDI, 201 bhp, automatic, diesel, convertible, 2 doors, 2 seats, white. Mileage: 51,500 miles. Price: £9,995, reduced by £1,000 from £10,995 since AskCar first saw it on 13 July 2026, 119 days ago. Fair price: £344 (3%) over the AskCar estimate of £9,651. Euro 5 emissions standard. MOT: valid until 6 June 2027. Dealer: Whitehart Service Station in Hockley and Hawkwell, 9 miles from Basildon. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-c5bf518de6ed
- 2013 Mercedes-Benz SLK 2.1 AMG Sport, 201 bhp, diesel, convertible, 2 doors, 2 seats, black. Mileage: 71,100 miles. Price: £7,700, reduced by £500 from £8,200 since AskCar first saw it on 10 September 2026, 60 days ago. Fair price: £345 (4%) over the AskCar estimate of £7,355. Euro 5 emissions standard. MOT: valid until 4 March 2027. Dealer: Cars Under 3000 in Rayleigh, 6 miles from Basildon. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2013-0d8436ee5b5f
- 2010 Mercedes-Benz SLK 1.8 SLK200K Kompressor, 181 bhp, automatic, petrol, convertible, 2 doors, 2 seats, red. Mileage: 77,585 miles. Price: £4,995, unchanged since AskCar first saw it on 24 October 2026, 16 days ago. Fair price: £311 (6%) over the AskCar estimate of £4,684. MOT: the latest record we hold ran out on 29 July 2026; ask the dealer for the current MOT. Dealer: Central Cars in Southend-on-Sea, 9 miles from Basildon. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2010-b159843c03fb
- 2014 Mercedes-Benz SLK 1.8 SLK200 AMG Sport, 181 bhp, automatic, petrol, convertible, 2 doors, 2 seats, black. Mileage: 87,402 miles. Price: £8,495, unchanged since AskCar first saw it on 30 October 2026, 10 days ago. Above the going rate: £729 (9%) over the AskCar estimate of £7,766. Euro 5 emissions standard. ULEZ compliant. MOT: valid until 18 March 2027. Dealer: Fida Motors in Wickford, 5 miles from Basildon. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-79e397858462
- 2005 Mercedes-Benz SLK 1.8 SLK200 Kompressor, 163 bhp, automatic, petrol, convertible, 2 doors, 2 seats, black. Mileage: 55,000 miles. Price: £3,995, unchanged since AskCar first saw it on 31 October 2026, 9 days ago. Above the going rate: £366 (10%) over the AskCar estimate of £3,629. MOT: valid until 13 January 2027. Dealer: Wintry Cars in Harlow, 19 miles from Basildon. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2005-f7173facc248
- 2015 Mercedes-Benz SLK 2.1 SLK250 CDI AMG Sport, 201 bhp, automatic, diesel, convertible, 2 doors, 2 seats, black. Mileage: 70,000 miles. Price: £9,795, unchanged since AskCar first saw it on 14 July 2026, 118 days ago. Above the going rate: £1,182 (13%) over the AskCar estimate of £8,613. Euro 5 emissions standard. MOT: the latest record we hold ran out on 5 October 2026; ask the dealer for the current MOT. Dealer: The Car Shop in Strood, 12 miles from Basildon. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-290f60afad57
- 2005 Mercedes-Benz SLK 5.4 SLK55 AMG, 360 bhp, automatic, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 85,000 miles. Price: £16,495, reduced by £500 from £16,995 since AskCar first saw it on 12 September 2026, 58 days ago. Above the going rate: £2,095 (14%) over the AskCar estimate of £14,400. Euro 3 emissions standard. MOT: valid until 28 June 2027. Dealer: Auto 2000 in Havering, 15 miles from Basildon. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2005-6d8031057211
- 2005 Mercedes-Benz SLK 1.8 SLK200 Kompressor, 163 bhp, manual, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 58,108 miles. Price: £5,995. AskCar first saw it on 28 May 2026, 165 days ago. Above the going rate: £2,534 (73%) over the AskCar estimate of £3,461. MOT: the latest record we hold ran out on 16 February 2026; ask the dealer for the current MOT. Dealer: Saunders Abbott in Sidcup, 18 miles from Basildon. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2005-f72f7bfef2a8
- 2011 Mercedes-Benz SLK, automatic, petrol, convertible, 2 doors, 2 seats. Mileage: 83,632 miles. Price: £3,495, reduced by £500 from £3,995 since AskCar first saw it on 23 September 2026, 47 days ago. Far below the going rate: £3,013 (46%) under the AskCar estimate of £6,508. Worth asking the dealer why. Dealer: Silverstone Cars in Barking, 16 miles from Basildon. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2011-ad1d14d573e6
- 2005 Mercedes-Benz SLK 3.5 SLK350, 272 bhp, automatic, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 56,500 miles. Price: £4,000, reduced by £595 from £4,595 since AskCar first saw it on 7 July 2026, 125 days ago. Far below the going rate: £2,054 (33%) under the AskCar estimate of £6,054. Worth asking the dealer why. Euro 4 emissions standard. ULEZ compliant. MOT: valid until 30 May 2027. Dealer: R & R in Harlow, 18 miles from Basildon. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2005-ca4248f6df15
- 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, 2 days ago. Far below the going rate: £643 (30%) under the AskCar estimate of £2,138. Worth asking the dealer why. MOT: valid until 15 May 2027. Dealer: Team Auto Sales in Southend-on-Sea, 11 miles from Basildon. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2005-52e84c9b2793
- 2000 Mercedes-Benz SLK 2.0, 163 bhp, petrol, convertible, 2 doors, 2 seats, silver. Price: £7,995, unchanged since AskCar first saw it on 25 September 2026, 45 days ago. Euro 3 emissions standard. MOT: the latest record we hold ran out on 9 August 2026; ask the dealer for the current MOT. Dealer: Sevens & Classics in Bexley, 17 miles from Basildon. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2000-f9c91f6ad1e6
Mercedes-Benz SLK across the UK by price
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