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 passenger, speakers, auto climate control, audio, audio 20, alloy wheels, centre console storage, centre console, bluetooth, wind deflector, pas, service history, alloys, bluetooth system, sports suspension, mp3 compatible, radio, cd, bluetooth inter...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
Features include black, central door locking, headlamp wash, air bag, full service history, alarm, cruise control, electronic stability programme, computer, parktronic, alloy wheels, leather, adjustable steering column/wheel, steering wheel leather, driver, service h...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 service history, alloy wheels, airbags, leather, airbag, air conditioning, anti lock braking system, automatic, heated seats, part exchange welcome, driver, finance available, navigation system, black, air con, abs, mot, 18in alloy wheels...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
With alarm, radio, pas, leather, black, automatic, airbags, heated seats, audio 20, parktronic, heated front seat, anti lock braking system, air con, cd, driver, 18in alloy wheels, diesel, warranty, heated front seats, brake assist, passenger, audio, abs,...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
This car has leather interior, part exchange welcome, dab radio, audio 20, leather, wind deflector, air conditioning, bluetooth interface, bluetooth, dab digital radio, finance available, alarm, speed limiter, heated front seat, navigation system, hpi clear, auto...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 electric windows (front), passenger, upholstery cloth, side protection mouldings, spare wheel, alloy wheels, power assisted steering, trip computer, electronic stability programme, leather, pas, air bag driver, third brake light, alarm, electric wind...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 include pas, bluetooth, air conditioning, brake assist, service history, automatic, alloys, air con, airbags, audio, leather, alloy wheels, black, alarm, driver, audio 20, passenger, radio, warranty, low mileage, anti lock braking system, airbag, full leathe...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
Features include alarm, automatic headlamp activation, bluetooth interface, esp, bluetooth, cd, automatic, usb, speakers, cruise control, head restraints, wind deflector, tyre pressure loss warning system, radio, immobiliser, electronic stability programme, air con, ...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
Options include cloth interior, convertible, bluetooth interface, cloth, 17in alloy wheels, led daytime running lights, automatic transmission, bluetooth, diesel, abs, air conditioning, audio, air con, pas, anti lock braking system, airbag, sports seats, black cloth...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
This model has radio, heated seats, sunroof, leather seats, dab digital radio, panoramic sunroof, service history, full service history, audio, black, paddle shift, leather, rear parking sensors, rear parking sensor, parking sensors, daytime running lights, sat nav...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
Featuring alloy wheels, auto climate control, radio, mp3 compatible, bluetooth, centre console, cd, alloys, audio, bluetooth interface, bluetooth system, sports suspension, pas, climate control, passenger, wind deflector, speakers, service history, audio 20, c...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 steering wheel mounted controls, climate control, immobiliser, leather, bluetooth, cruise control, parktronic, alarm, service history, adjustable steering column/wheel, alloy wheels, exterior lighting, driver, adjustable steering column, central door...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
Features include immobiliser, air conditioning, alloy wheels, alarm, automatic, driver, leather, air con, black, airbag, 18in alloy wheels, pas, passenger, airbags, abs, anti lock braking system, service history, automatic transmission, leather interior...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
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, alloy wheels, driver, climate control, steering wheel mounted controls, adjustable steering column, spare wheel, electric windows (front), central door locking, air bag, electric windows, leather, 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 alloys, black, led daytime running lights, daytime running lights, registered keeper, trip computer, computer, leather interior, leather, service history, sports seats, full service history, mot, petrol, convertible...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 air bag, electric windows, central door locking, alloy wheels, third brake light, pas, climate control, anti lock brakes, steering wheel mounted controls, spare wheel, exterior lighting, steering wheel leather, adjustable steering column, immobiliser...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 air con, parking sensors, bluetooth interface, audio 20, dab digital radio, finance available, heated front seats, climate control, brake assist, cruise control, rear parking sensor, radio, automatic, hpi clear, 2 keys, audio, rear parking sensors, s...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
Includes part exchange welcome, air con, abs, automatic, air conditioning, mot, finance available, navigation system, black, alloy wheels, anti lock braking system, service history, airbag, heated seats, leather, airbags, 18in alloy wheels, driver...eee
We currently have 120 Mercedes Benz Slk cars available across the UK priced under £20000.
