Used Mercedes-Benz SLK cars for sale on What Car?

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What Car? Classifieds has 259 approved used Mercedes-Benz SLK cars available for sale from top Mercedes-Benz dealers. Browse our classifieds now - the easiest and most powerful used car search tool around – and find the perfect approved used Mercedes-Benz SLK near you.

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Cars found 259

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Mercedes-Benz SLK 2.1 SLK250 CDI AMG Sport G-Tronic+ Euro 5 (s/s) 2dr
  • 2015 reg
  • Diesel
  • 2 Doors
  • Automatic
  • 89,900 Miles
£7,395
Mercedes-Benz SLK 3.5 SLK350 7G-Tronic 2dr
  • 2007 reg
  • Petrol
  • 2 Doors
  • Automatic
  • 71,000 Miles
£4,499
Mercedes-Benz SLK 2.1 SLK250 CDI AMG Sport G-Tronic+ Euro 5 (s/s) 2dr
  • 2014 reg
  • Diesel
  • 2 Doors
  • Automatic
  • 39,388 Miles
£10,295
Mercedes-Benz SLK 2.1 SLK250 CDI BlueEfficiency AMG Sport G-Tronic+ Euro 5 (s/s) 2dr
  • 2013 reg
  • Diesel
  • 2 Doors
  • Automatic
  • 63,707 Miles
£10,699
Mercedes-Benz SLK 1.8 SLK200 BlueEfficiency AMG Sport Edition 125 G-Tronic+ Euro 5 (s/s) 2dr
  • 2011 reg
  • Petrol
  • 2 Doors
  • Automatic
  • 42,098 Miles
£10,999
Mercedes-Benz SLK 2.1 SLK250 CDI AMG Sport G-Tronic+ Euro 5 (s/s) 2dr
  • 2013 reg
  • Diesel
  • 2 Doors
  • Automatic
  • 86,000 Miles
£6,750
Mercedes-Benz SLK 3.0 SLK300 G-Tronic Euro 5 2dr
  • 2010 reg
  • Petrol
  • 2 Doors
  • Automatic
  • 107,000 Miles
£5,500
Mercedes-Benz SLK 2.1 SLK250 CDI AMG Sport G-Tronic+ Euro 5 (s/s) 2dr
  • 2014 reg
  • Diesel
  • 2 Doors
  • Automatic
  • 93,000 Miles
£6,990
Mercedes-Benz SLK 2.1 SLK250 CDI BlueEfficiency AMG Sport G-Tronic+ Euro 5 (s/s) 2dr
  • 2012 reg
  • Diesel
  • 2 Doors
  • Automatic
  • 70,263 Miles
£7,795
Mercedes-Benz SLK 2.1 SLK250 CDI AMG Sport G-Tronic+ Euro 5 (s/s) 2dr
  • 2014 reg
  • Diesel
  • 2 Doors
  • Automatic
  • 65,656 Miles
£8,499
Mercedes-Benz SLK 2.1 SLK250 CDI BlueEfficiency AMG Sport G-Tronic+ Euro 5 (s/s) 2dr
  • 2013 reg
  • Diesel
  • 2 Doors
  • Automatic
  • 78,057 Miles
£7,495
Mercedes-Benz SLK 5.4 SLK55 AMG 7G-Tronic 2dr
  • 2007 reg
  • Petrol
  • 2 Doors
  • Automatic
  • 67,211 Miles
£17,990
Mercedes-Benz SLK 1.8 SLK200 BlueEfficiency AMG Sport G-Tronic+ Euro 5 (s/s) 2dr
  • 2012 reg
  • Petrol
  • 2 Doors
  • Automatic
  • 72,790 Miles
£6,200
Mercedes-Benz SLK 2.1 SLK250 CDI G-Tronic+ Euro 5 (s/s) 2dr
  • 2013 reg
  • Diesel
  • 2 Doors
  • Automatic
  • 105,750 Miles
£5,495
Mercedes-Benz SLK 2.1 SLK250 CDI AMG Sport G-Tronic+ Euro 5 (s/s) 2dr
  • 2013 reg
  • Diesel
  • 2 Doors
  • Automatic
  • 73,000 Miles
£7,740
Mercedes-Benz SLK 2.1 SLK250d AMG Sport G-Tronic Euro 6 (s/s) 2dr
  • 2016 reg
  • Diesel
  • 2 Doors
  • Automatic
  • 43,000 Miles
£12,689
Mercedes-Benz SLK 3.0 SLK280 7G-Tronic 2dr
  • 2006 reg
  • Petrol
  • 2 Doors
  • Automatic
  • 76,000 Miles
£4,495
Mercedes-Benz SLK 2.1 SLK250 CDI AMG Sport G-Tronic+ Euro 5 (s/s) 2dr
  • 2015 reg
  • Diesel
  • 2 Doors
  • Automatic
  • 67,000 Miles
£9,795
Mercedes-Benz SLK 2.1 SLK250 CDI G-Tronic+ Euro 5 (s/s) 2dr
  • 2015 reg
  • Diesel
  • 2 Doors
  • Automatic
  • 74,741 Miles
£7,690
Mercedes-Benz SLK 2.3 SLK230 Kompressor Kompressor 2dr
  • 1998 reg
  • Petrol
  • 2 Doors
  • Automatic
  • 22,000 Miles
£6,997
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