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
Description includes centre console storage, alloys, speakers, wind deflector, centre console, radio, bluetooth interface, audio 20, full service history, service history, climate control, auto climate control, audio, cd, pas, sports suspension, mp3 compatible, bluetooth...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 model has alarm, cruise control, driver, immobiliser, air bag, electronic stability programme, black, parktronic, headlamp wash, adjustable steering column/wheel, anti lock brakes, bluetooth, adjustable steering column, central door locking, steering wheel lea...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
£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 model has air con, navigation system, airbags, alloy wheels, abs, 18in alloy wheels, black, air conditioning, heated seats, anti lock braking system, airbag, finance available, part exchange welcome, service history, mot, leather, automatic, driver...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
This model has abs, black, convertible, cd, heated front seats, heated front seat, anti lock braking system, automatic, airbags, alarm, passenger, sat nav, radio, diesel, parktronic, audio 20, alloy wheels, leather, heated seats, warranty, driver, 18in alloy wheels...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
Featuring heated front seat, audio 20, alarm, dab radio, electric windows, wind deflector, 2 keys, cruise control, heated seats, speed limiter, alloy wheels, 18in alloy wheels, bluetooth, part exchange welcome, air conditioning, dab digital radio, heated front...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
Description includes traction control, speakers, air conditioning, electric windows, cloth, tinted glass, trip computer, steering wheel mounted controls, cruise control, air bag passenger, fsh, alloy wheels, front fog lights, black, central door locking, leather upholste...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
Features on this model include leather, bluetooth interface, warranty, automatic, passenger, full leather, air conditioning, audio 20, alloy wheels, air con, anti lock braking system, pas, 18in alloy wheels, low mileage, brake assist, black, airbags, alarm, alloys, audio, radio, 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 alarm, immobiliser, radio, head restraints, alloy wheels, 18in alloy wheels, air con, cd, tinted glass, automatic, air conditioning, wind deflector, automatic headlamp activation, remote boot release, esp, cruise control, speakers, bluetooth, electro...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 on this model include bluetooth, alarm, dab digital radio, automatic transmission, passenger, aluminium trim, pas, bluetooth interface, air conditioning, airbags, diesel, daytime running lights, cruise control, 17in alloy wheels, leather, cloth interior, black, abs with b...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
Featuring full service history, leather seats, cruise control, rear parking sensors, front and rear parking sensors, leather, daytime running lights, panoramic sunroof, automatic headlights, service history, rear parking sensor, black, bluetooth, bluetooth aud...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
This car has sports suspension, full service history, wind deflector, speakers, climate control, centre console, centre console storage, audio, radio, audio 20, alloys, bluetooth interface, service history, cd, passenger, auto climate control, bluetooth, alloy wh...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 headlamp wash, air bag, cruise control, computer, central door locking, immobiliser, alarm, adjustable steering column/wheel, alloy wheels, steering wheel mounted controls, bluetooth, steering wheel leather, parktronic, full service history, adjustab...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
Options include air con, passenger, alloy wheels, anti lock braking system, immobiliser, pas, alarm, driver, automatic transmission, air conditioning, leather, airbags, airbag, service history, 18in alloy wheels, leather interior, black, abs, automatic...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
Comes with 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
Features include alloy wheels, driver, climate control, electric windows, central door locking, adjustable steering column/wheel, adjustable steering column, speakers, air bag, spare wheel, leather, steering wheel mounted controls, electric windows (front)...eee
£14,995
Mercedes Benz SLK SLK 300 AMG Sport 2dr Tip Auto
2015 | 39,000 miles | Convertible | 1991 | petrol | automatic | 0 doors
With mot, leather interior, convertible, trip computer, alloys, daytime running lights, computer, service history, leather, petrol, led daytime running lights, black, full service history, registered keeper, sports seats...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 anti lock brakes, electronic stability programme, power assisted steering, pas, third brake light, exterior lighting, alarm, air bag, cruise control, spare wheel, steering wheel mounted controls, computer, driver, alloy wheels, passenger, steering wh...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 rear parking sensors, automatic, dab digital radio, automatic gearbox, parktronic, audio 20, 18in alloy wheels, radio, brake assist, bluetooth interface, 2 owners, 2 keys, speed limiter, heated front seat, heated front seats, air con, air conditionin...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 airbags, heated seats, part exchange welcome, mot, automatic, air con, finance available, air conditioning, alloy wheels, abs, airbag, black, anti lock braking system, navigation system, leather, driver, service history, 18in alloy wheels...eee
We currently have 120 Mercedes Benz Slk cars available across the UK priced under £20000.
