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
This car has auto climate control, radio, passenger, pas, audio 20, sports suspension, centre console, centre console storage, alloys, bluetooth, audio, bluetooth system, alloy wheels, speakers, wind deflector, bluetooth interface, cd, mp3 compatible, full 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
Options include black, exterior lighting, cruise control, parktronic, headlamp wash, leather, immobiliser, electronic stability programme, air bag, adjustable steering column/wheel, alarm, bluetooth, anti lock brakes, full service history, service history, steering ...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
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
This car has air conditioning, finance available, driver, service history, mot, airbags, air con, heated seats, automatic, abs, alloy wheels, airbag, 18in alloy wheels, black, anti lock braking system, part exchange welcome, leather, navigation system...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 air con, heated front seat, abs, airbags, automatic, heated front seats, sat nav, air conditioning, convertible, passenger, pas, black, radio, anti lock braking system, audio, cd, audio 20, warranty, leather, alarm, parktronic, airbag, diesel, driver...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
Options include finance available, cruise control, alloy wheels, air conditioning, radio, cd, dab digital radio, climate control, leather, dab radio, bluetooth, air con, brake assist, bluetooth interface, audio, automatic, low mileage, audio 20, navigation system, l...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 car has anti lock brakes, leather upholstery, leather, alloy wheels, side protection mouldings, upholstery cloth, tinted glass, traction control, adjustable steering column/wheel, cruise control, steering wheel leather, immobiliser, pas, alarm, spare wheel, ...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
Description includes bluetooth, leather, full leather, pas, passenger, automatic, alloys, abs, radio, airbags, audio, audio 20, brake assist, black, airbag, alarm, air con, service history, alloy wheels, air conditioning, low mileage, warranty, driver, bluetooth interfac...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
With tinted glass, speakers, air conditioning, wind deflector, immobiliser, bluetooth interface, dab digital radio, remote boot release, usb, radio, bluetooth, navigation system, sports suspension, air con, alarm, alloy wheels, electronic stability progra...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
Comes with dab digital radio, black cloth interior, automatic transmission, abs, cloth, abs with brake assist, driver, leather, side airbags, led daytime running lights, convertible, passenger, cruise control, sports seats, airbag, alarm, pas, audio, alloy whee...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
Features include leather, bluetooth audio streaming, rear parking sensor, cruise control, sunroof, service history, sat nav, automatic headlights, full service history, bluetooth, rear parking sensors, parking sensors, led daytime running lights, front and rear parki...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
Description includes bluetooth interface, passenger, wind deflector, audio, speakers, cd, alloy wheels, auto climate control, service history, bluetooth, climate control, radio, alloys, mp3 compatible, sports suspension, centre console, bluetooth system, audio 20, full s...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 black, steering wheel leather, parktronic, alloy wheels, climate control, steering wheel mounted controls, anti lock brakes, computer, air bag, electronic stability programme, exterior lighting, headlamp wash, alarm, heated seats, immobiliser, adjust...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
Featuring airbag, black, passenger, air con, driver, automatic transmission, anti lock braking system, service history, leather, airbags, automatic, pas, abs, leather interior, immobiliser, alloy wheels, air conditioning, alarm, 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
This model has 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
Options include speakers, electric windows, alloy wheels, driver, central door locking, leather, climate control, electric windows (front), adjustable steering column, steering wheel mounted controls, spare wheel, adjustable steering column/wheel, 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
With convertible, full service history, daytime running lights, leather interior, led daytime running lights, black, computer, alloys, leather, mot, service history, registered keeper, trip computer, sports seats, 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
Description includes central door locking, cruise control, adjustable steering column, exterior lighting, electric windows (front), third brake light, speakers, climate control, computer, alarm, air bag passenger, leather, tinted glass, air bag driver, driver, anti lock ...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
Features include finance available, hpi clear, parking sensors, climate control, brake assist, rear parking sensor, automatic gearbox, bluetooth, parktronic, heated front seat, alloy wheels, air con, dab radio, 2 owners, 2 keys, 18in alloy wheels, part exchange welco...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 air con, leather, air conditioning, service history, mot, anti lock braking system, airbag, black, alloy wheels, automatic, navigation system, heated seats, part exchange welcome, 18in alloy wheels, abs, finance available, airbags, driver...eee
We currently have 120 Mercedes Benz Slk cars available across the UK priced under £20000.
