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
Features on this model include climate control, alloy wheels, bluetooth, bluetooth system, cd, auto climate control, mp3 compatible, service history, full service history, radio, centre console, audio 20, sports suspension, bluetooth interface, pas, speakers, centre console storag...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
This car has full service history, anti lock brakes, driver, exterior lighting, alloy wheels, adjustable steering column, steering wheel leather, leather, climate control, parktronic, cruise control, immobiliser, computer, air bag, steering wheel mounted controls...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
£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
This car has heated seats, service history, 18in alloy wheels, leather, part exchange welcome, anti lock braking system, automatic, black, airbag, driver, air con, airbags, alloy wheels, finance available, air conditioning, navigation system, mot, abs...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
Comes with sat nav, cd, anti lock braking system, air con, airbags, radio, parktronic, convertible, driver, black, passenger, leather, diesel, airbag, abs, alarm, automatic, audio, brake assist, 18in alloy wheels, heated seats, alloy wheels, heated front seats,...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
Includes heated seats, finance available, heated front seat, brake assist, air conditioning, 2 keys, radio, cruise control, daytime running lights, dab digital radio, navigation system, black, audio, part exchange welcome, audio 20, cd, leather interior, clim...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
Comes with traction control system, black, steering wheel mounted controls, air bag, speakers, passenger, computer, electric windows (front), adjustable steering column/wheel, power assisted steering, pas, spare wheel, fog lights, front fog lights, anti lock br...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
Options include leather, airbag, full leather, black, alarm, audio 20, warranty, air conditioning, anti lock braking system, pas, service history, driver, alloys, brake assist, 18in alloy wheels, bluetooth, abs, alloy wheels, airbags, air con, bluetooth interface, a...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
Description includes cruise control, radio, cd, usb, automatic headlamp activation, bluetooth interface, remote boot release, bluetooth, alloy wheels, air con, esp, tinted glass, dab digital radio, navigation system, wind deflector, electronic stability programme, air co...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
Features include passenger, audio 20, airbag, esp, black, leather, air conditioning, led daytime running lights, sports seats, abs, abs with brake assist, airbags, diesel, automatic transmission, leather steering wheel, wind deflector, air con, automatic, brake assis...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 full service history, sunroof, bluetooth, leather, service history, parking sensors, radio, panoramic sunroof, sat nav, rear parking sensors, audio, paddle shift, rear parking sensor, leather seats, front and rear parking sensors, dab digital radio, ...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 alloys, cd, radio, centre console, wind deflector, sports suspension, speakers, bluetooth, audio 20, full service history, pas, passenger, audio, centre console storage, auto climate control, climate control, alloy wheels, bluetooth interface, servic...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
Featuring bluetooth, headlamp wash, parktronic, alarm, adjustable steering column/wheel, electronic stability programme, alloy wheels, full service history, immobiliser, anti lock brakes, climate control, heated seats, central door locking, cruise control, bla...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
Comes with immobiliser, driver, anti lock braking system, airbag, alarm, pas, alloy wheels, black, abs, leather, air con, airbags, automatic transmission, air conditioning, automatic, leather interior, service history, passenger, 18in alloy wheels...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
Features 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
Featuring alloy wheels, electric windows (front), spare wheel, leather, adjustable steering column, driver, steering wheel mounted controls, climate control, adjustable steering column/wheel, speakers, electric windows, central door locking, air bag...eee
£14,995
Mercedes Benz SLK SLK 300 AMG Sport 2dr Tip Auto
2015 | 39,000 miles | Convertible | 1991 | petrol | automatic | 0 doors
Features on this model include led daytime running lights, full service history, registered keeper, alloys, mot, leather, service history, daytime running lights, black, computer, trip computer, sports seats, leather interior, convertible, 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
This car has immobiliser, exterior lighting, spare wheel, third brake light, air bag driver, driver, power assisted steering, anti lock brakes, pas, computer, leather, cruise control, air bag, air bag passenger, climate control, passenger, steering wheel mounted ...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
With 2 keys, bluetooth interface, hpi clear, bluetooth, air con, wind deflector, finance available, heated front seats, speed limiter, alloy wheels, air conditioning, radio, automatic gearbox, parktronic, parking sensors, rear parking sensor, automatic, r...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
With automatic, air con, finance available, navigation system, service history, 18in alloy wheels, air conditioning, alloy wheels, heated seats, anti lock braking system, driver, leather, airbag, mot, airbags, black, part exchange welcome, abs...eee
We currently have 120 Mercedes Benz Slk cars available across the UK priced under £20000.
