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

119 Mercedes Benz Slk cars under £20,000 - 40 reductions

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Recently reduced (40)

Daniel Alexander Motor Group Limited, Melton Lane Signal Box, North Ferriby

£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)

Featuring bluetooth interface, alloy wheels, service history, centre console, cd, centre console storage, wind deflector, speakers, bluetooth, climate control, sports suspension, audio, radio, full service history, pas, mp3 compatible, passenger, bluetooth sys...eee

St James Motor Company William Street, 4 Muira Estate, Hampshire

£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)

With exterior lighting, alarm, adjustable steering column, anti lock brakes, steering wheel leather, adjustable steering column/wheel, black, bluetooth, air bag, immobiliser, leather, driver, cruise control, parktronic, electronic stability programme, ser...eee

M&W Automotive LTD, Unit 6 Fleet Marston Farm, Aylesbury

£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)

Comes with airbag, airbags, black, automatic, air con, alloy wheels, service history, 18in alloy wheels, navigation system, abs, anti lock braking system, finance available, part exchange welcome, driver, heated seats, leather, mot, air conditioning...eee

Egerton Cars Ltd, Blackburn Road , Bolton

£11,890
Was £11,995 Save £105

Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)

Features on this model include audio, automatic, alloy wheels, radio, warranty, alarm, air conditioning, air con, heated front seat, 18in alloy wheels, sat nav, cd, brake assist, passenger, heated seats, abs, black, diesel, airbag, airbags, driver, leather, parktronic, pas, anti l...eee

Troon Cars LTD, 33 Wenlock Way, Leicester

£10,990
Was £11,990 Save £1,000

Mercedes Benz SLK 2.1 SLK250 CDI AMG Sport Convertible 2dr Diesel G Tronic+ Euro 5 (s/s) (204 ps)

Comes with heated front seats, black, dab digital radio, part exchange welcome, audio 20, audio, low mileage, hpi clear, bluetooth, climate control, bluetooth interface, cd, leather interior, air conditioning, dab radio, navigation system, automatic, satellite ...eee

Troon Cars LTD, 33 Wenlock Way, Leicester

£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)

Options include heated front seats, hpi clear, heated seats, audio, wind deflector, alloy wheels, part exchange welcome, 18in alloy wheels, brake assist, dab digital radio, bluetooth, air conditioning, automatic, air con, daytime running lights, electric windows, le...eee

Andrews of Otterbourne, Norlands Drive, Winchester

£10,495
Was £10,995 Save £500

Mercedes Benz SLK 3.0 SLK280 7G Tronic 2dr

Features include front fog lights, trip computer, air conditioning, leather upholstery, steering wheel leather, cruise control, immobiliser, air bag driver, traction control, side protection mouldings, fog lights, electric windows (front), fsh, air con, black, air ba...eee

Harveys Car Centre Scaynes Hill, Lewes Road, West Sussex

£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)

Options include full leather, air conditioning, air con, passenger, low mileage, alloy wheels, radio, driver, brake assist, 18in alloy wheels, airbags, audio 20, audio, anti lock braking system, alarm, leather, bluetooth, abs, automatic, alloys, warranty, pas, black...eee

Manor Garage, Crossroads Farm, Kingsdown, Box

£9,750
Was £9,950 Save £200

Mercedes Benz SLK SLK 200 BlueEFFICIENCY AMG Sport 2dr Tip Auto

Features on this model include 18in alloy wheels, cd, alarm, head restraints, speakers, tinted glass, automatic, automatic headlamp activation, alloy wheels, tyre pressure loss warning system, sports suspension, air con, wind deflector, radio, cruise control, dab digital radio, re...eee

Prestige Car Supermarket, A19 Crockey Hill, York

£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)

This car has esp, bluetooth, dab digital radio, abs, cd, sports seats, radio, air con, speed limiter, pas, passenger, cruise control, led daytime running lights, black, abs with brake assist, diesel, leather, driver, aluminium trim, bluetooth interface, anti lock...eee

119 cars under £20,000

Derby Trade Cars Limited Derby, Ascot Drive, Derbyshire

£19,990

Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS+7GT Euro 5 (s/s) (421 ps)

This car has dab digital radio, bluetooth audio streaming, bluetooth, sat nav, leather seats, front and rear parking sensors, audio, heated seats, cruise control, full service history, led daytime running lights, parking sensors, climate control, leather, alloys,...eee

Daniel Alexander Motor Group Limited, Melton Lane Signal Box, North Ferriby