2008 Mercedes-Benz SLK prices
There are 19 used 2008 Mercedes-Benz SLK cars for sale from UK dealers on AskCar, as of 12 November 2026. Typical asking price £5,000 (the median: half cost less, half cost more). The cheapest is £2,490. The middle half are priced between £3,500 and £5,400. Median mileage: about 84,000 miles.
Dealers lowered the asking price on more than one in ten of 2008 Mercedes-Benz SLK cars: 2 of the 19 in the 14 days to 12 November 2026.
2008 Mercedes-Benz SLK against other years
A 2009 Mercedes-Benz SLK car has a typical asking price of £6,500, as of 12 November 2026.
AskCar lists 465 used Mercedes-Benz SLK across the UK, from 366 dealerships.
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.
2008 Mercedes-Benz SLK cars for sale now, page 1 of 2
This page picks out up to 10 cars in each of these groups: best value, cheapest, lowest mileage, recently reduced and newly advertised. A car in more than one group is listed in full once. The groups pick only from cars with photos and an AskCar estimate, priced at £500 or more and no more than 25% under that estimate. 14 of the 19 cars listed here meet these rules. Page 2 lists every other 2008 Mercedes-Benz SLK car, cheapest first, including the 5 the groups do not pick from.
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. The figures on this page describe the cars advertised, not a valuation of every 2008 Mercedes-Benz SLK.
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. Each car's AskCar page has its full price history and cheaper cars like it.
Best value 2008 Mercedes-Benz SLK: priced furthest below the AskCar estimate
Their asking prices run from £2,995 to £13,999.
- 2008 Mercedes-Benz SLK 3.0 SLK280, 231 bhp, automatic, petrol, convertible, 2 doors, 2 seats, black. Mileage: 90,000 miles. Price: £3,995, unchanged since AskCar first saw it on 11 August 2026, 93 days ago. Good value: £524 (11%) under the AskCar estimate of £4,519. Euro 4 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 30 September 2026; ask the dealer for the current MOT. Dealer: RMH Cars in Wrecclesham. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2008-7148052580c7
- 2008 Mercedes-Benz SLK 1.8 Kompressor, 160 bhp, automatic, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 55,000 miles. Price: £3,990, unchanged since AskCar first saw it on 29 October 2026, 14 days ago. Fair price: £243 (5%) under the AskCar estimate of £4,233. Euro 4 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 23 January 2025; ask the dealer for the current MOT. Dealer: Ashley Automotive in Bournemouth. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2008-90fddd5a7fd2
- 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
- 2008 Mercedes-Benz SLK 5.4 SLK55 AMG, 360 bhp, automatic, petrol, convertible, 2 doors, 2 seats, black. Mileage: 78,531 miles. Price: £13,999, reduced by £1,951 from £15,950 since AskCar first saw it on 28 May 2026, 168 days ago. Fair price: £74 (under 1%) over the AskCar estimate of £13,925. Euro 4 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 6 May 2026; ask the dealer for the current MOT. Dealer: DT Performance Cars in Atherstone. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2008-6d06ca132856
- 2008 Mercedes-Benz SLK 1.8 SLK200K, 181 bhp, automatic, petrol, convertible, 2 doors, 2 seats, blue. Mileage: 73,500 miles. Price: £3,995, unchanged since AskCar first saw it on 12 November 2026. Fair price: £24 (under 1%) over the AskCar estimate of £3,971. Euro 4 emissions standard. ULEZ compliant. MOT: valid until 14 June 2027. Dealer: Pristine Cars in Ipswich. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2008-2f6ab03cc5a4
- 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
- 2008 Mercedes-Benz SLK 1.8 SLK200K, 160 bhp, manual, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 46,643 miles. Price: £4,995, unchanged since AskCar first saw it on 25 September 2026, 48 days ago. Above the going rate: £380 (8%) over the AskCar estimate of £4,615. Euro 4 emissions standard. ULEZ compliant. Dealer: George Sandiford in Chesterfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2008-48944ac06ceb
- 2008 Mercedes-Benz SLK 1.8 SLK200K, 181 bhp, automatic, petrol, convertible, 2 doors, 2 seats, red. Mileage: 68,000 miles. Price: £5,000, unchanged since AskCar first saw it on 31 October 2026, 12 days ago. Above the going rate: £858 (20%) over the AskCar estimate of £4,142. Euro 4 emissions standard. ULEZ compliant. Dealer: W4 Car Sales in Ealing. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2008-613455a2367c
- 2008 Mercedes-Benz SLK 3.0 SLK280, 227 bhp, automatic, petrol, convertible, 2 doors, 2 seats, black. Mileage: 108,000 miles. Price: £5,300, unchanged since AskCar first saw it on 28 May 2026, 168 days ago. Above the going rate: £1,072 (25%) over the AskCar estimate of £4,228. Dealer: LM Select in Chesterfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2008-765b3d423831
- 2008 Mercedes-Benz SLK 1.8 SLK200 Kompressor, 163 bhp, automatic, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 72,000 miles. Price: £5,495, raised by £1,000 from £4,495 since AskCar first saw it on 2 August 2026, 102 days ago. Above the going rate: £1,137 (26%) over the AskCar estimate of £4,358. Euro 4 emissions standard. ULEZ compliant. MOT: valid until 11 June 2027. Dealer: B S Marson And Sons in Newcastle-under-Lyme. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2008-277b0e15c422
Cheapest 2008 Mercedes-Benz SLK: the lowest asking prices
These 10 are priced £2,995 to £5,300. They have covered 46,643 to 130,000 miles.
- 2008 Mercedes-Benz SLK 1.8 SLK200K: £2,995, 108,000 miles. Listed in full under best value.
- 2008 Mercedes-Benz SLK 1.8 SLK200 Kompressor: £2,995, 130,000 miles. Listed in full under best value.
- 2008 Mercedes-Benz SLK 1.8 Kompressor: £3,990, 55,000 miles. Listed in full under best value.
- 2008 Mercedes-Benz SLK 1.8 SLK200K: £3,995, 73,500 miles. Listed in full under best value.
- 2008 Mercedes-Benz SLK 3.0 SLK280: £3,995, 90,000 miles. Listed in full under best value.
- 2008 Mercedes-Benz SLK 1.8 SLK200K, 181 bhp, automatic, petrol, convertible, 2 doors, 2 seats, white. Mileage: 83,800 miles. Price: £4,990, unchanged since AskCar first saw it on 1 November 2026, 11 days ago. Above the going rate: £1,320 (35%) over the AskCar estimate of £3,670. Euro 4 emissions standard. ULEZ compliant. MOT: valid until 18 December 2026. Dealer: Gpr Cars in St Neots. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2008-98cc49560eed
- 2008 Mercedes-Benz SLK 1.8 SLK200K: £4,995, 46,643 miles. Listed in full under best value.
- 2008 Mercedes-Benz SLK 1.8 SLK200K, 181 bhp, manual, petrol, convertible, 2 doors, 2 seats, grey. Mileage: 83,308 miles. Price: £4,995, reduced by £3 from £4,998 since AskCar first saw it on 30 May 2026, 166 days ago. Above the going rate: £1,116 (28%) over the AskCar estimate of £3,879. Euro 4 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 13 May 2026; ask the dealer for the current MOT. Dealer: Used Car Sales Direct Taunton Direct in Taunton. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2008-c98e5f9d5f37
- 2008 Mercedes-Benz SLK 1.8 SLK200K: £5,000, 68,000 miles. Listed in full under best value.
- 2008 Mercedes-Benz SLK 3.0 SLK280: £5,300, 108,000 miles. Listed in full under best value.
Lowest-mileage 2008 Mercedes-Benz SLK
These 10 have covered 46,643 to 90,000 miles. Their asking prices run from £3,990 to £13,999.
- 2008 Mercedes-Benz SLK 1.8 SLK200K: £4,995, 46,643 miles. Listed in full under best value.
- 2008 Mercedes-Benz SLK 1.8 Kompressor: £3,990, 55,000 miles. Listed in full under best value.
- 2008 Mercedes-Benz SLK 1.8 SLK200K: £5,000, 68,000 miles. Listed in full under best value.
- 2008 Mercedes-Benz SLK 1.8 Kompressor, automatic, petrol, convertible, 2 doors, 2 seats, blue. Mileage: 70,000 miles. Price: £6,350, unchanged since AskCar first saw it on 28 May 2026, 168 days ago. Above the going rate: £2,426 (61%) over the AskCar estimate of £3,924. Dealer: LM Select in Chesterfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2008-777985d4fa60
- 2008 Mercedes-Benz SLK 1.8 SLK200 Kompressor: £5,495, 72,000 miles. Listed in full under best value.
- 2008 Mercedes-Benz SLK 1.8 SLK200K: £3,995, 73,500 miles. Listed in full under best value.
- 2008 Mercedes-Benz SLK 5.4 SLK55 AMG: £13,999, 78,531 miles. Listed in full under best value.
- 2008 Mercedes-Benz SLK 1.8 SLK200K: £4,995, 83,308 miles. Listed in full under cheapest.
- 2008 Mercedes-Benz SLK 1.8 SLK200K: £4,990, 83,800 miles. Listed in full under cheapest.
- 2008 Mercedes-Benz SLK 3.0 SLK280: £3,995, 90,000 miles. Listed in full under best value.
Recently reduced 2008 Mercedes-Benz SLK: the biggest price reductions in the 14 days to 12 November 2026
The dealer lowered the asking price on this car in the 14 days to 12 November 2026.
- 2008 Mercedes-Benz SLK 3.5 SLK350, 268 bhp, automatic, petrol, convertible, 2 doors, 2 seats, silver. Mileage: 121,255 miles. Price: £6,495, reduced by £500 from £6,995 since AskCar first saw it on 10 October 2026, 33 days ago. Above the going rate: £2,545 (64%) over the AskCar estimate of £3,950. Euro 4 emissions standard. ULEZ compliant. MOT: valid until 20 September 2027. Dealer: Bespoke Motor Solutions in Swindon. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2008-f32e149f3a6a
Newly advertised 2008 Mercedes-Benz SLK: first seen by AskCar in the 7 days to 12 November 2026
This car is the most recently advertised.
- 2008 Mercedes-Benz SLK 1.8 SLK200K: £3,995, 73,500 miles. Listed in full under best value.
Page 2: every other 2008 Mercedes-Benz SLK car, cheapest first
Mercedes-Benz SLK by gearbox, fuel and body
- Automatic Mercedes-Benz SLK (414 cars)
- Manual Mercedes-Benz SLK (39 cars)
- Petrol Mercedes-Benz SLK (294 cars)
- Diesel Mercedes-Benz SLK (164 cars)
Mercedes-Benz SLK prices by year
- 2015 (61 cars)
- 2014 (62 cars)
- 2013 (62 cars)
- 2012 (64 cars)
- 2011 (33 cars)
- 2009 (22 cars)
- 2006 (22 cars)
- 2005 (29 cars)
Mercedes-Benz SLK by trim
- Mercedes-Benz SLK AMG Sport (195 cars)
- Mercedes-Benz SLK Kompressor (57 cars)
- Mercedes-Benz SLK AMG (30 cars)
Mercedes-Benz SLK by price
Mercedes-Benz SLK near you
- In England (423 cars)
- In Scotland (20 cars)
- In Wales (12 cars)
- In Northern Ireland (4 cars)
- Near Hillingdon (65 cars)
- Near Richmond upon Thames (60 cars)
- Near Egham (56 cars)
- Near Barnet (55 cars)
- Near Watford (54 cars)
- Near Great Bookham and Fetcham (50 cars)
- Near Berkhamsted (49 cars)
- Near London (47 cars)
- Near Sutton (44 cars)
- Near High Wycombe (44 cars)
- Near Guildford (40 cars)
- Near Luton (38 cars)
- Near Bracknell (38 cars)
- Near Rochdale (31 cars)
- Near Leighton Buzzard (31 cars)
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