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
Comes with sports suspension, speakers, audio, centre console, cd, service history, pas, bluetooth, wind deflector, auto climate control, radio, mp3 compatible, climate control, alloy wheels, passenger, alloys, bluetooth system, bluetooth interface, 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
Description includes leather, heated seats, air bag, anti lock brakes, electronic stability programme, cruise control, parktronic, computer, full service history, adjustable steering column/wheel, central door locking, steering wheel mounted controls, adjustable 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
Features on this model 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
Description includes abs, driver, part exchange welcome, airbag, anti lock braking system, alloy wheels, air con, service history, mot, navigation system, leather, heated seats, black, 18in alloy wheels, finance available, airbags, air conditioning, automatic...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
Description includes driver, black, brake assist, cd, air conditioning, radio, anti lock braking system, 18in alloy wheels, alarm, airbag, diesel, heated front seats, heated seats, pas, leather, warranty, audio 20, convertible, audio, parktronic, passenger, heated front ...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 bluetooth interface, heated front seat, heated seats, heated front seats, leather, brake assist, black, part exchange welcome, cruise control, electric windows, finance available, audio, climate control, air conditioning, alarm, dab digital radio, ra...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 power assisted steering, electronic stability programme, immobiliser, air conditioning, leather upholstery, anti lock brakes, air bag, tinted glass, cloth, fog lights, computer, driver, alarm, upholstery cloth, pas, electric windows, passenger, elect...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 leather, airbag, pas, air conditioning, driver, automatic, alloys, full leather, alloy wheels, airbags, air con, abs, passenger, alarm, brake assist, radio, audio, warranty, bluetooth, 18in alloy wheels, low mileage, bluetooth interface, black, anti ...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 electronic stability programme, air conditioning, 18in alloy wheels, tyre pressure loss warning system, bluetooth, tinted glass, navigation system, speakers, sports suspension, usb, wind deflector, remote boot release, bluetooth interface, dab digita...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
Description includes cd, diesel, abs with brake assist, anti lock braking system, esp, leather, bluetooth, convertible, cloth interior, airbag, audio, dab digital radio, black, speed limiter, airbags, air con, audio 20, abs, sports seats, 17in alloy wheels, led daytime r...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 heated seats, radio, climate control, automatic, dab digital radio, front and rear parking sensors, parking sensors, audio, rear parking sensor, cruise control, daytime running lights, alloys, sunroof, service history, panoramic sunroof, leather, sat...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 service history, cd, centre console storage, alloys, pas, centre console, bluetooth interface, speakers, radio, climate control, full service history, auto climate control, audio, wind deflector, audio 20, bluetooth, bluetooth system, passenger, spor...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 exterior lighting, central door locking, headlamp wash, climate control, immobiliser, full service history, black, cruise control, alloy wheels, alarm, steering wheel mounted controls, steering wheel leather, adjustable steering column/wheel, parktro...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 black, anti lock braking system, leather, passenger, alloy wheels, automatic, leather interior, abs, 18in alloy wheels, alarm, air conditioning, pas, airbags, airbag, immobiliser, driver, service history, automatic transmission, air con...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
Comes with electric windows (front), central door locking, steering wheel mounted controls, electric windows, spare wheel, alloy wheels, leather, air bag, climate control, speakers, driver, adjustable steering column/wheel, adjustable steering column...eee
£14,995
Mercedes Benz SLK SLK 300 AMG Sport 2dr Tip Auto
2015 | 39,000 miles | Convertible | 1991 | petrol | automatic | 0 doors
This car has alloys, service history, mot, registered keeper, full service history, computer, leather interior, petrol, trip computer, daytime running lights, black, convertible, leather, sports seats, led daytime running lights...eee
£14,000
Mercedes Benz SLK 5.4 SLK55 AMG 2d AUTO 356 BHP
2007 | 40,000 miles | Convertible | 5439 | petrol | automatic | 2 doors
Includes alarm, speakers, central door locking, cruise control, power assisted steering, steering wheel mounted controls, exterior lighting, electric windows (front), adjustable steering column/wheel, steering wheel leather, alloy wheels, third brake light, p...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 climate control, part exchange welcome, 2 owners, automatic gearbox, audio 20, daytime running lights, audio, radio, parktronic, automatic, air con, heated seats, speed limiter, hpi clear, air conditioning, finance available, 2 keys, dab radio, alloy...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 anti lock braking system, heated seats, airbag, finance available, abs, 18in alloy wheels, navigation system, automatic, mot, part exchange welcome, driver, leather, alloy wheels, air con, black, airbags, service history, air conditioning...eee
We currently have 120 Mercedes Benz Slk cars available across the UK priced under £20000.
