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