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
Comes with full service history, radio, auto climate control, bluetooth system, speakers, audio, centre console, passenger, sports suspension, pas, audio 20, climate control, cd, service history, bluetooth interface, centre console storage, wind deflector, allo...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 parktronic, headlamp wash, alloy wheels, full service history, service history, adjustable steering column, leather, anti lock brakes, adjustable steering column/wheel, driver, steering wheel leather, electronic stability programme, steering wheel mo...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
Features on this model 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
Includes alloy wheels, air conditioning, mot, service history, automatic, air con, driver, airbags, navigation system, black, anti lock braking system, finance available, part exchange welcome, leather, abs, heated seats, 18in alloy wheels, airbag...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 model has diesel, heated seats, driver, 18in alloy wheels, black, leather, warranty, radio, air conditioning, sat nav, parktronic, audio 20, convertible, brake assist, air con, passenger, audio, heated front seats, alloy wheels, cd, anti lock braking system, 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
Featuring leather, automatic, heated front seats, audio 20, bluetooth, finance available, daytime running lights, climate control, speed limiter, cruise control, hpi clear, cd, air conditioning, radio, black, alloy wheels, heated front seat, part exchange welc...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 spare wheel, air bag, electric windows (front), adjustable steering column, leather, cloth, air bag driver, trip computer, passenger, speakers, electronic stability programme, black, air conditioning, leather upholstery, air con, air bag passenger, e...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 airbags, audio 20, alarm, leather, air conditioning, low mileage, alloys, audio, passenger, 18in alloy wheels, alloy wheels, abs, black, driver, air con, airbag, service history, bluetooth interface, pas, automatic, full leather, radio, brake assist,...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
This car has wind deflector, automatic headlamp activation, head restraints, remote boot release, cruise control, bluetooth, navigation system, dab digital radio, sports suspension, radio, alloy wheels, alarm, tyre pressure loss warning system, air conditioning, ...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
Featuring black cloth interior, audio, radio, convertible, sports seats, leather, audio 20, driver, pas, black, passenger, bluetooth interface, bluetooth, wind deflector, diesel, dab digital radio, automatic transmission, speed limiter, airbags, cruise control...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
Includes rear parking sensors, led daytime running lights, bluetooth audio streaming, cruise control, leather seats, parking sensors, automatic headlights, heated seats, bluetooth, sat nav, audio, automatic, black, daytime running lights, radio, dab digital r...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
Features include cd, alloy wheels, radio, climate control, centre console storage, auto climate control, sports suspension, centre console, wind deflector, alloys, full service history, bluetooth, passenger, speakers, pas, audio, audio 20, mp3 compatible, bluetooth s...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
With full service history, alloy wheels, climate control, driver, headlamp wash, central door locking, service history, immobiliser, air bag, adjustable steering column, steering wheel mounted controls, black, electronic stability programme, anti lock bra...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 immobiliser, 18in alloy wheels, pas, leather interior, air conditioning, leather, anti lock braking system, automatic, alloy wheels, service history, driver, airbags, passenger, alarm, automatic transmission, black, air con, abs, airbag...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
This car has 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 alloy wheels, leather, electric windows, adjustable steering column, spare wheel, adjustable steering column/wheel, steering wheel mounted controls, speakers, central door locking, climate control, driver, electric windows (front), air bag...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 sports seats, trip computer, convertible, registered keeper, daytime running lights, mot, petrol, black, leather interior, alloys, computer, led daytime running lights, leather, service history, full service history...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 leather, air bag, steering wheel leather, cruise control, tinted glass, power assisted steering, adjustable steering column/wheel, climate control, exterior lighting, electric windows, adjustable steering column, speakers, steering wheel mounted cont...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
Features include air con, finance available, dab digital radio, rear parking sensors, speed limiter, audio 20, radio, parktronic, brake assist, bluetooth interface, alloy wheels, climate control, audio, daytime running lights, heated seats, 2 owners, dab radio, heate...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 driver, leather, navigation system, part exchange welcome, service history, black, air conditioning, airbag, air con, automatic, anti lock braking system, mot, finance available, alloy wheels, heated seats, 18in alloy wheels, abs, airbags...eee
We currently have 120 Mercedes Benz Slk cars available across the UK priced under £20000.
