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 include climate control, full service history, passenger, audio 20, speakers, radio, cd, alloy wheels, alloys, bluetooth interface, service history, centre console, audio, centre console storage, sports suspension, auto climate control, bluetooth system, win...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 car has computer, steering wheel leather, central door locking, service history, adjustable steering column, full service history, air bag, alloy wheels, climate control, black, exterior lighting, cruise control, steering wheel mounted controls, headlamp was...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
Comes with mot, automatic, airbags, black, heated seats, abs, 18in alloy wheels, alloy wheels, finance available, leather, airbag, air conditioning, navigation system, anti lock braking system, service history, driver, part exchange welcome, air con...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 car has abs, parktronic, audio 20, cd, alloy wheels, automatic, air conditioning, air con, 18in alloy wheels, airbags, audio, driver, diesel, airbag, radio, black, anti lock braking system, passenger, heated seats, brake assist, alarm, heated front seats, he...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
Description includes finance available, speed limiter, 2 keys, cruise control, audio 20, electric windows, bluetooth interface, heated front seats, alarm, automatic, cd, navigation system, bluetooth, dab digital radio, daytime running lights, radio, 18in alloy wheels, da...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
Features include tinted glass, cloth, air bag passenger, speakers, air conditioning, leather, passenger, traction control, adjustable steering column, front fog lights, trip computer, electric windows (front), immobiliser, black, traction control system, anti lock br...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
Options include abs, low mileage, alarm, alloy wheels, driver, 18in alloy wheels, automatic, full leather, black, bluetooth, service history, brake assist, bluetooth interface, audio 20, airbag, pas, anti lock braking system, passenger, alloys, airbags, air conditio...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 radio, head restraints, usb, cd, tinted glass, wind deflector, alloy wheels, alarm, cruise control, esp, bluetooth interface, 18in alloy wheels, tyre pressure loss warning system, speakers, automatic, navigation system, sports suspension, air con, au...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 daytime running lights, convertible, abs, alloy wheels, airbags, black cloth interior, cruise control, passenger, abs with brake assist, leather steering wheel, speed limiter, 17in alloy wheels, esp, automatic transmission, bluetooth interface, dab d...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 panoramic sunroof, bluetooth audio streaming, alloys, audio, full service history, climate control, heated seats, led daytime running lights, bluetooth, sunroof, rear parking sensor, radio, parking sensors, sat nav, automatic headlights, black, autom...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 passenger, mp3 compatible, centre console, alloy wheels, audio, radio, pas, bluetooth system, full service history, auto climate control, alloys, bluetooth interface, cd, sports suspension, audio 20, wind deflector, speakers, climate control, centre ...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 adjustable steering column, bluetooth, headlamp wash, exterior lighting, heated seats, steering wheel leather, alloy wheels, cruise control, driver, black, service history, alarm, full service history, central door locking, immobiliser, climate contr...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
This car has abs, anti lock braking system, automatic, alloy wheels, air con, air conditioning, automatic transmission, alarm, driver, airbags, black, airbag, 18in alloy wheels, passenger, service history, immobiliser, leather interior, pas, leather...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 on this model include spare wheel, driver, central door locking, speakers, climate control, steering wheel mounted controls, air bag, adjustable steering column/wheel, leather, adjustable steering column, alloy wheels, electric windows, 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
Featuring mot, black, alloys, leather, led daytime running lights, full service history, sports seats, trip computer, leather interior, service history, registered keeper, daytime running lights, convertible, computer, petrol...eee
£14,000
Mercedes Benz SLK 5.4 SLK55 AMG 2d AUTO 356 BHP
2007 | 40,000 miles | Convertible | 5439 | petrol | automatic | 2 doors
Features include climate control, driver, electric windows, leather, tinted glass, electric windows (front), computer, anti lock brakes, exterior lighting, alarm, adjustable steering column, spare wheel, alloy wheels, electronic stability programme, air bag, power as...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
Includes parktronic, air con, automatic, wind deflector, finance available, rear parking sensor, dab digital radio, heated seats, speed limiter, automatic gearbox, audio, air conditioning, dab radio, parking sensors, rear parking sensors, 2 owners, cruise con...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
Featuring navigation system, air conditioning, airbags, service history, air con, 18in alloy wheels, leather, alloy wheels, automatic, mot, abs, heated seats, finance available, anti lock braking system, driver, part exchange welcome, airbag, black...eee
We currently have 120 Mercedes Benz Slk cars available across the UK priced under £20000.
