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