Cheap Mercedes Benz Slk cars under £20,000
With a budget of £20,000 you can grab a great bargain. Most of the cars advertised on our site are heavily reduced in price and come with a free history check
120 Mercedes Benz Slk cars under £20,000 - 41 reductions
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Recently reduced (41)
£18,991
Was £19,991 Save £1,000
Mercedes Benz SLK 5.4 SLK55 V8 AMG Convertible 2dr Petrol G Tronic Euro 4 (360 ps)
2009 | 56,555 miles | Convertible | 5439 | petrol | automatic | 2 doors
Featuring audio 20, passenger, mp3 compatible, audio, wind deflector, cd, bluetooth system, auto climate control, pas, sports suspension, bluetooth, centre console, full service history, alloys, climate control, service history, centre console storage, bluetoo...eee
£17,490
Was £19,490 Save £2,000
Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol 7G Tronic (288 g/km, 360 bhp)
2007 | 61,000 miles | Convertible | 5439 | petrol | automatic | 2 doors
With electronic stability programme, leather, parktronic, climate control, adjustable steering column/wheel, alarm, black, computer, exterior lighting, air bag, immobiliser, adjustable steering column, service history, full service history, anti lock brak...eee
£16,695
Was £16,995 Save £300
Mercedes Benz SLK 3.5 SLK350 AMG Sport Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (306 ps)
2015 | 30,000 miles | Convertible | 3498 | petrol | automatic | 2 doors
Description includes We have much more to tell you about this car so please feel free to call us for more details...eee
£12,750
Was £12,995 Save £245
Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)
2016 | 52,704 miles | Convertible | 2143 | diesel | automatic | 2 doors
Featuring automatic, anti lock braking system, airbags, driver, air conditioning, service history, air con, heated seats, airbag, mot, black, abs, navigation system, leather, finance available, alloy wheels, 18in alloy wheels, part exchange welcome...eee
£11,799
Was £11,995 Save £196
Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)
2016 | 62,597 miles | Convertible | 2143 | diesel | automatic | 2 doors
Features on this model include heated seats, radio, heated front seat, warranty, air con, passenger, driver, anti lock braking system, air conditioning, 18in alloy wheels, parktronic, heated front seats, automatic, airbag, brake assist, cd, audio 20, convertible, black, pas, audio...eee
£10,500
Was £11,500 Save £1,000
Mercedes Benz SLK 2.1 SLK250 CDI AMG Sport Convertible 2dr Diesel G Tronic+ Euro 5 (s/s) (204 ps)
2015 | 47,200 miles | Convertible | 2143 | diesel | automatic | 2 doors
With leather, audio, air conditioning, air con, cd, radio, 18in alloy wheels, cruise control, climate control, bluetooth interface, brake assist, low mileage, electric windows, black, heated front seat, bluetooth, alarm, audio 20, heated seats, speed limi...eee
£10,495
Was £10,995 Save £500
Mercedes Benz SLK 3.0 SLK280 7G Tronic 2dr
2007 | 24,700 miles | Convertible | 2996 | petrol | automatic | 0 doors
This model has anti lock brakes, air conditioning, computer, leather upholstery, black, air con, front fog lights, fog lights, air bag passenger, traction control, electronic stability programme, pas, alloy wheels, power assisted steering, upholstery cloth, immobil...eee
£9,995
Was £10,495 Save £500
Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)
2015 | 66,000 miles | Convertible | 2143 | diesel | automatic | 2 doors
Includes airbags, passenger, full leather, audio 20, alloy wheels, brake assist, abs, bluetooth, pas, alarm, radio, black, alloys, automatic, low mileage, warranty, air con, leather, driver, air conditioning, airbag, 18in alloy wheels, bluetooth interface, an...eee
£9,750
Was £9,950 Save £200
Mercedes Benz SLK SLK 200 BlueEFFICIENCY AMG Sport 2dr Tip Auto
2012 | 54,000 miles | Convertible | 1796 | petrol | automatic | 2 doors
Features include radio, bluetooth interface, air con, cd, 18in alloy wheels, dab digital radio, usb, bluetooth, sports suspension, automatic headlamp activation, electronic stability programme, cruise control, automatic, alloy wheels, alarm, esp, remote boot release,...eee
£9,699
Was £10,799 Save £1,100
Mercedes Benz SLK 2.1 SLK250 CDI Convertible 2dr Diesel G Tronic+ Euro 5 (s/s) (204 ps)
2014 | 36,624 miles | Convertible | 2143 | diesel | automatic | 2 doors
Includes sports seats, pas, led daytime running lights, convertible, automatic transmission, air con, driver, side airbags, abs with brake assist, cd, passenger, radio, airbags, daytime running lights, bluetooth interface, alloy wheels, cloth interior, black,...eee
120 cars under £20,000
£19,990
Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS+7GT Euro 5 (s/s) (421 ps)
2013 | 56,000 miles | Convertible | 5461 | petrol | automatic | 2 doors
With bluetooth audio streaming, heated seats, service history, automatic headlights, radio, rear parking sensors, rear parking sensor, front and rear parking sensors, dab digital radio, black, full service history, sunroof, cruise control, daytime running...eee
£18,991
Was £19,991 Save £1,000
Mercedes Benz SLK 5.4 SLK55 V8 AMG Convertible 2dr Petrol G Tronic Euro 4 (360 ps)
2009 | 56,555 miles | Convertible | 5439 | petrol | automatic | 2 doors
Options include audio 20, pas, mp3 compatible, alloy wheels, full service history, bluetooth interface, speakers, passenger, centre console, bluetooth system, service history, wind deflector, alloys, bluetooth, radio, climate control, cd, audio, centre console stora...eee
£17,490
Was £19,490 Save £2,000
Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol 7G Tronic (288 g/km, 360 bhp)
2007 | 61,000 miles | Convertible | 5439 | petrol | automatic | 2 doors
Comes with computer, electronic stability programme, heated seats, alarm, service history, driver, steering wheel mounted controls, adjustable steering column, central door locking, immobiliser, anti lock brakes, climate control, leather, alloy wheels, bluetoot...eee
£17,350
Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS MCT Euro 5 (s/s) (421 ps)
2012 | 79,431 miles | Convertible | 5461 | petrol | automatic | 2 doors
This model has leather interior, alloy wheels, pas, anti lock braking system, abs, service history, immobiliser, leather, 18in alloy wheels, driver, automatic, alarm, black, passenger, air con, air conditioning, airbag, airbags, automatic transmission...eee
£16,695
Was £16,995 Save £300
Mercedes Benz SLK 3.5 SLK350 AMG Sport Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (306 ps)
2015 | 30,000 miles | Convertible | 3498 | petrol | automatic | 2 doors
Options include We have much more to tell you about this car so please feel free to call us for more details...eee
£15,000
Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2d 5439cc 7G Tronic
2007 | 63,000 miles | Convertible | 5439 | petrol | automatic | 2 doors
With steering wheel mounted controls, electric windows, speakers, spare wheel, leather, adjustable steering column/wheel, alloy wheels, central door locking, adjustable steering column, driver, air bag, electric windows (front), climate control...eee
£14,995
Mercedes Benz SLK SLK 300 AMG Sport 2dr Tip Auto
2015 | 39,000 miles | Convertible | 1991 | petrol | automatic | 0 doors
Features include leather, registered keeper, daytime running lights, led daytime running lights, sports seats, alloys, black, leather interior, trip computer, service history, computer, convertible, full service history, mot, petrol...eee
£14,000
Mercedes Benz SLK 5.4 SLK55 AMG 2d AUTO 356 BHP
2007 | 40,000 miles | Convertible | 5439 | petrol | automatic | 2 doors
Options include adjustable steering column/wheel, spare wheel, pas, third brake light, climate control, tinted glass, speakers, central door locking, electric windows, immobiliser, computer, anti lock brakes, steering wheel leather, alloy wheels, air bag, electronic...eee
£12,990
Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)
2016 | 56,500 miles | Convertible | 2143 | diesel | automatic | 2 doors
Includes dab radio, automatic, audio, air con, rear parking sensors, air conditioning, heated front seats, bluetooth, parktronic, speed limiter, automatic gearbox, audio 20, daytime running lights, bluetooth interface, parking sensors, wind deflector, 2 keys,...eee
£12,750
Was £12,995 Save £245
Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)
2016 | 52,704 miles | Convertible | 2143 | diesel | automatic | 2 doors
Featuring airbag, mot, automatic, part exchange welcome, air con, service history, 18in alloy wheels, finance available, navigation system, alloy wheels, abs, heated seats, air conditioning, black, anti lock braking system, leather, driver, airbags...eee
We currently have 120 Mercedes Benz Slk cars available across the UK priced under £20000.
