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
148 Mercedes Benz Slk cars under £20,000 - 47 reductions
Change budget
Recently reduced (47)
£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 bluetooth interface, cd, auto climate control, radio, full service history, passenger, audio 20, pas, speakers, centre console, wind deflector, centre console storage, alloys, climate control, service history, sports suspension, bluetooth system, mp3...eee
£18,990
Was £19,490 Save £500
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
Featuring steering wheel mounted controls, parktronic, immobiliser, alarm, alloy wheels, bluetooth, central door locking, service history, black, headlamp wash, leather, air bag, exterior lighting, anti lock brakes, driver, full service history, adjustable ste...eee
£18,950
Was £19,950 Save £1,000
Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol Automatic (288 g/km, 360 bhp)
2005 | 48,432 miles | Convertible | 5439 | petrol | automatic | 2 doors
Features include electronic stability programme, climate control, immobiliser, driver, speakers, spare wheel, pas, central door locking, adjustable steering column/wheel, computer, passenger, steering wheel mounted controls, electric windows, anti lock brakes, air ba...eee
£18,489
Was £18,749 Save £260
Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS MCT Euro 5 (s/s) (421 ps)
2012 | 56,000 miles | Convertible | 5461 | petrol | automatic | 2 doors
Options include cd, air conditioning, air con, full leather, heated front seat, headlight wash, immobiliser, sat nav, brake assist, airbag, electric windows, tinted glass, central locking, radio, power assisted steering, cruise control, navigation system, alloy whee...eee
£15,999
Was £17,999 Save £2,000
Mercedes Benz SLK 3.5 SLK350 AMG Sport Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (306 ps)
2014 | 27,227 miles | Convertible | 3498 | petrol | automatic | 2 doors
Featuring leather, alloy wheels, automatic, 18in alloy wheels, automatic gearbox, heated front seats, cruise control, navigation system, convertible, coupe, parktronic, abs, radio, bluetooth connectivity, leather steering wheel, leather interior, bluetooth, an...eee
£13,295
Was £13,449 Save £154
Mercedes Benz SLK 2.1 SLK 250 D AMG SPORT 2d 201 BHP
2015 | 34,500 miles | Convertible | 2143 | diesel | automatic | 2 doors
Description includes black, alloy wheels, rear parking sensors, mot, airbag, anti lock braking system, leather interior, convertible, rear parking sensor, radio, alarm, 18in alloy wheels, air conditioning, audio, multi function steering wheel, airbags, air con, climate c...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 | 51,704 miles | Convertible | 2143 | diesel | automatic | 2 doors
Options include leather, 18in alloy wheels, automatic, finance available, heated seats, mot, airbags, airbag, air conditioning, anti lock braking system, alloy wheels, black, service history, air con, driver, abs, part exchange welcome, bluetooth, navigation system...eee
£11,599
Was £12,299 Save £700
Mercedes Benz SLK 2.1 SLK250 CDI AMG Sport Convertible 2dr Diesel G Tronic+ Euro 5 (s/s) (204 ps)
2015 | 30,899 miles | Convertible | 2143 | diesel | automatic | 2 doors
Features on this model include leather interior, automatic, convertible, diesel, driver, airbags, cd, air conditioning, radio, black, bluetooth, alloys, sports suspension, audio 20, alloy wheels, audio, bluetooth interface, anti lock braking system, speed limiter, pas, cruise cont...eee
£10,750
Was £10,850 Save £100
Mercedes Benz SLK 2.1 SLK250 CDI BlueEfficiency AMG Sport Convertible 2dr Diesel G Tronic+ Euro 5 (s/s) (204 ps)
2013 | 40,500 miles | Convertible | 2143 | diesel | automatic | 2 doors
Features include finance available, 2 keys, heated seats, wind deflector, bluetooth, daytime running lights, audio 20, part exchange welcome, cd, alloy wheels, audio, automatic headlamp activation, climate control, bluetooth interface, automatic climate control, leat...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
Description includes adjustable steering column/wheel, air bag driver, cruise control, electric windows, fog lights, power assisted steering, alloy wheels, adjustable steering column, front fog lights, traction control system, computer, fsh, leather, steering wheel leath...eee
148 cars under £20,000
£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 bluetooth, passenger, sports suspension, audio, audio 20, mp3 compatible, alloys, centre console storage, speakers, auto climate control, wind deflector, full service history, bluetooth system, alloy wheels, service history, cd, bluetooth interface, ...eee
£18,990
Was £19,490 Save £500
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 parktronic, central door locking, bluetooth, leather, headlamp wash, electronic stability programme, alarm, computer, driver, immobiliser, cruise control, climate control, full service history, adjustable steering column, heated seats, black, alloy w...eee
£18,950
Was £19,950 Save £1,000
Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol Automatic (288 g/km, 360 bhp)
2005 | 48,432 miles | Convertible | 5439 | petrol | automatic | 2 doors
This car has air bag passenger, adjustable steering column/wheel, spare wheel, computer, climate control, alloy wheels, air bag driver, speakers, steering wheel mounted controls, electric windows, passenger, electric windows (front), immobiliser, pas, leather, an...eee
£18,489
Was £18,749 Save £260
Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS MCT Euro 5 (s/s) (421 ps)
2012 | 56,000 miles | Convertible | 5461 | petrol | automatic | 2 doors
Description includes bluetooth, sat nav, tinted glass, air conditioning, alloy wheels, 18in alloy wheels, anti lock braking system, headlight wash, central locking, full leather, heated front seats, remote boot release, alarm, parking sensors, driver, airbags, cd, automa...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 model has airbags, air conditioning, anti lock braking system, alloy wheels, black, driver, abs, airbag, automatic, alarm, air con, leather, leather interior, pas, passenger, service history, immobiliser, 18in alloy wheels, automatic transmission...eee
£16,995
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
£15,999
Was £17,999 Save £2,000
Mercedes Benz SLK 3.5 SLK350 AMG Sport Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (306 ps)
2014 | 27,227 miles | Convertible | 3498 | petrol | automatic | 2 doors
Includes bluetooth connectivity, leather steering wheel, black, alloy wheels, radio, wind deflector, navigation system, anti lock braking system, heated front seat, automatic, bluetooth, automatic gearbox, leather, parktronic, dab radio, convertible, coupe, h...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 driver, adjustable steering column/wheel, electric windows, alloy wheels, speakers, central door locking, air bag, spare wheel, climate control, steering wheel mounted controls, leather, adjustable steering column, electric windows (front)...eee
£14,495
Mercedes Benz SLK 2.0 SLK200 AMG Sport Convertible 2dr Petrol G Tronic Euro 6 (s/s) (184 ps)
2015 | 31,000 miles | Convertible | 1991 | petrol | automatic | 2 doors
This car has We have much more to tell you about this car so please feel free to call us for more details...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 steering wheel mounted controls, electronic stability programme, pas, passenger, anti lock brakes, air bag driver, electric windows (front), cruise control, adjustable steering column/wheel, steering wheel leather, immobiliser, climate control, alloy...eee
We currently have 148 Mercedes Benz Slk cars available across the UK priced under £20000.
