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, pas, full service history, speakers, passenger, centre console, radio, mp3 compatible, alloy wheels, audio 20, centre console storage, wind deflector, climate control, service history, bluetooth, auto climate control, bluetooth system, cd, blu...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, parktronic, cruise control, driver, anti lock brakes, full service history, service history, central door locking, steering wheel leather, alarm, heated seats, alloy wheels, electronic stability programme, headlamp wash, c...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
Featuring 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 part exchange welcome, navigation system, automatic, air con, heated seats, finance available, 18in alloy wheels, airbags, air conditioning, service history, alloy wheels, leather, abs, mot, airbag, driver, anti lock braking system, black...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, 18in alloy wheels, air con, warranty, radio, airbag, pas, abs, airbags, alarm, automatic, heated seats, alloy wheels, sat nav, heated front seats, black, anti lock braking system, audio 20, parktronic, audio, convertible, leather, heated fron...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 daytime running lights, air con, heated front seat, leather, alloy wheels, bluetooth interface, finance available, cruise control, black, radio, brake assist, navigation system, climate control, low mileage, hpi clear, speed limiter, dab digital radi...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 front fog lights, cloth, immobiliser, air bag driver, adjustable steering column, alarm, fsh, cruise control, anti lock brakes, tinted glass, steering wheel leather, adjustable steering column/wheel, air bag, driver, passenger, third brake light, ele...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 warranty, pas, service history, alloys, alarm, brake assist, low mileage, airbags, abs, alloy wheels, passenger, full leather, air conditioning, 18in alloy wheels, audio, bluetooth, bluetooth interface, leather, audio 20, anti lock braking system, bl...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 on this model include bluetooth, remote boot release, air con, cruise control, electronic stability programme, speakers, bluetooth interface, esp, alloy wheels, automatic, sports suspension, navigation system, immobiliser, tyre pressure loss warning system, 18in alloy whe...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 bluetooth, daytime running lights, abs, cloth, 17in alloy wheels, alloy wheels, bluetooth interface, cloth interior, cd, airbag, black, audio 20, driver, brake assist, aluminium trim, leather, dab digital radio, led daytime running lights, 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
With heated seats, climate control, panoramic sunroof, bluetooth audio streaming, dab digital radio, daytime running lights, sunroof, sat nav, leather seats, parking sensors, leather, automatic headlights, rear parking sensor, full service history, alloys...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
Includes alloy wheels, alloys, centre console, audio, mp3 compatible, speakers, radio, sports suspension, pas, audio 20, auto climate control, climate control, wind deflector, full service history, centre console storage, bluetooth interface, bluetooth, bluet...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 steering wheel mounted controls, steering wheel leather, central door locking, parktronic, adjustable steering column/wheel, exterior lighting, adjustable steering column, cruise control, driver, electronic stability programme, computer, alloy wheels...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 alarm, automatic, anti lock braking system, automatic transmission, airbag, 18in alloy wheels, air con, airbags, pas, leather, abs, air conditioning, alloy wheels, leather interior, service history, driver, black, passenger, immobiliser...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
Featuring 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
This model has central door locking, steering wheel mounted controls, electric windows (front), adjustable steering column/wheel, electric windows, alloy wheels, climate control, air bag, leather, spare wheel, driver, speakers, 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
Features on this model include service history, mot, alloys, leather interior, sports seats, computer, led daytime running lights, convertible, black, full service history, registered keeper, trip computer, leather, petrol, 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
This car has tinted glass, speakers, power assisted steering, air bag, exterior lighting, electric windows, passenger, computer, third brake light, steering wheel mounted controls, steering wheel leather, immobiliser, alloy wheels, leather, electric windows (fron...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
Featuring automatic, part exchange welcome, finance available, bluetooth, heated front seats, heated seats, brake assist, automatic gearbox, audio, daytime running lights, speed limiter, wind deflector, audio 20, air con, alloy wheels, bluetooth interface, dab...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
With driver, abs, airbags, leather, finance available, anti lock braking system, heated seats, air conditioning, automatic, airbag, navigation system, 18in alloy wheels, alloy wheels, mot, air con, service history, black, part exchange welcome...eee
We currently have 120 Mercedes Benz Slk cars available across the UK priced under £20000.
