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 mp3 compatible, climate control, full service history, bluetooth system, centre console, audio, alloys, bluetooth interface, audio 20, alloy wheels, cd, wind deflector, service history, passenger, bluetooth, pas, radio, sports suspension, auto climat...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 central door locking, alarm, parktronic, air bag, bluetooth, black, anti lock brakes, alloy wheels, climate control, heated seats, adjustable steering column, service history, cruise control, steering wheel leather, driver, exterior lighting, full se...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 black, abs, part exchange welcome, navigation system, heated seats, air conditioning, driver, automatic, 18in alloy wheels, service history, anti lock braking system, airbags, mot, air con, airbag, finance available, leather, 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
Comes with driver, pas, sat nav, diesel, radio, heated front seats, convertible, alarm, anti lock braking system, air conditioning, audio 20, 18in alloy wheels, parktronic, warranty, automatic, leather, heated front seat, brake assist, airbags, passenger, cd, a...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
Comes with bluetooth interface, air conditioning, audio 20, leather, leather interior, heated front seats, dab radio, low mileage, cd, cruise control, automatic, navigation system, radio, brake assist, heated front seat, electric windows, finance available, dab...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 traction control, tinted glass, black, adjustable steering column/wheel, passenger, air bag passenger, upholstery cloth, driver, steering wheel leather, traction control system, electric windows (front), air bag, power assisted steering, front fog li...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
Comes with audio, full leather, abs, automatic, air con, service history, alloy wheels, air conditioning, leather, brake assist, bluetooth, radio, audio 20, bluetooth interface, passenger, warranty, driver, airbag, anti lock braking system, low mileage, black, ...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
Includes remote boot release, electronic stability programme, bluetooth interface, usb, alarm, tinted glass, alloy wheels, automatic, bluetooth, 18in alloy wheels, immobiliser, sports suspension, navigation system, cd, wind deflector, air con, head restraints...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
Features include abs with brake assist, automatic transmission, airbag, speed limiter, audio 20, black, cd, sports seats, alloy wheels, diesel, cloth, passenger, aluminium trim, leather, alarm, cloth interior, radio, led daytime running lights, leather steering wheel...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
Features on this model include automatic headlights, heated seats, leather seats, bluetooth audio streaming, paddle shift, daytime running lights, service history, dab digital radio, led daytime running lights, full service history, sunroof, alloys, front and rear parking sensors,...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
Comes with passenger, wind deflector, sports suspension, centre console storage, service history, pas, cd, auto climate control, audio, bluetooth interface, bluetooth system, audio 20, climate control, full service history, alloys, centre console, speakers, 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
Features include electronic stability programme, air bag, parktronic, climate control, service history, bluetooth, heated seats, driver, anti lock brakes, full service history, adjustable steering column, adjustable steering column/wheel, alloy wheels, black, cruise ...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
Description includes anti lock braking system, 18in alloy wheels, abs, automatic, air conditioning, leather, service history, immobiliser, pas, airbags, alloy wheels, airbag, passenger, leather interior, alarm, black, driver, automatic transmission, air con...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
£15,000
Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2d 5439cc 7G Tronic
2007 | 63,000 miles | Convertible | 5439 | petrol | automatic | 2 doors
With air bag, adjustable steering column/wheel, leather, climate control, alloy wheels, steering wheel mounted controls, central door locking, spare wheel, speakers, electric windows, electric windows (front), driver, 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 include computer, sports seats, mot, leather, convertible, alloys, full service history, registered keeper, service history, petrol, trip computer, leather interior, daytime running lights, black, 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
Options include air bag, electric windows, air bag driver, adjustable steering column/wheel, steering wheel mounted controls, third brake light, power assisted steering, electronic stability programme, driver, adjustable steering column, exterior lighting, tinted gl...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
With climate control, speed limiter, bluetooth interface, wind deflector, 2 keys, air con, hpi clear, dab digital radio, heated front seat, part exchange welcome, alloy wheels, heated seats, automatic, finance available, rear parking sensors, rear parking...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 include anti lock braking system, air con, air conditioning, part exchange welcome, service history, airbag, airbags, leather, 18in alloy wheels, automatic, mot, finance available, heated seats, alloy wheels, abs, black, driver, navigation system...eee
We currently have 120 Mercedes Benz Slk cars available across the UK priced under £20000.
