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

145 Mercedes Benz Slk cars under £20,000 - 46 reductions

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Recently reduced (46)

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

£18,990
Was £19,490 Save £500

Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol 7G Tronic (288 g/km, 360 bhp)

This model has exterior lighting, service history, immobiliser, adjustable steering column, computer, headlamp wash, anti lock brakes, electronic stability programme, parktronic, steering wheel mounted controls, cruise control, full service history, adjustable stee...eee

DT Performance Cars, Unit 1A, Atherstone

£18,950
Was £19,950 Save £1,000

Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol Automatic (288 g/km, 360 bhp)

This model has spare wheel, black, electric windows (front), adjustable steering column, electronic stability programme, power assisted steering, air bag, steering wheel mounted controls, climate control, immobiliser, air bag passenger, alloy wheels, driver, leathe...eee

Prime Motors, Rear of Unit 12,, Hoddesdon

£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)

Description includes driver, radio, immobiliser, parking sensors, 18in alloy wheels, sports suspension, navigation system, air conditioning, airbag, power assisted steering, alloy wheels, central locking, anti lock braking system, voice control, bluetooth, cruise control...eee

Eclipse Car Sales Limited, 89 Main Road, Winchester

£13,295
Was £13,449 Save £154

Mercedes Benz SLK 2.1 SLK 250 D AMG SPORT 2d 201 BHP

Featuring mot, bluetooth interface, multi function steering wheel, brake assist, parking sensors, leather, bluetooth, air con, air conditioning, dab radio, driver, airbags, airbag, automatic, passenger, leather interior, convertible, alloy wheels, speed limite...eee

Prestige Car Supermarket, A19 Crockey Hill, York

£12,999
Was £13,499 Save £500

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

Featuring anti lock braking system, driver, cd, audio, alarm, sports seats, mot, black, air con, airbag, dab radio, abs, leather, audio 20, 18in alloy wheels, automatic, sports suspension, alloy wheels, radio, airbags, alloys, cruise control, air conditioning,...eee

Troon Cars LTD, 33 Wenlock Way, Leicester

£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)

Featuring audio, heated front seat, rear parking sensor, head restraints, heated seats, automatic climate control, hpi clear, navigation system, daytime running lights, alloy wheels, dab radio, parking sensors, air conditioning, cruise control, automatic, fina...eee

Andrews of Otterbourne, Norlands Drive, Winchester

£10,495
Was £10,995 Save £500

Mercedes Benz SLK 3.0 SLK280 7G Tronic 2dr

With traction control, front fog lights, speakers, air con, alarm, steering wheel mounted controls, electric windows (front), third brake light, computer, pas, immobiliser, steering wheel leather, adjustable steering column, air bag driver, alloy wheels, ...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

Featuring 18in alloy wheels, alarm, air con, alloy wheels, esp, bluetooth interface, navigation system, air conditioning, usb, automatic headlamp activation, bluetooth, head restraints, electronic stability programme, tinted glass, dab digital radio, radio, re...eee

Garage on the Green, The Green, St. Leonards-On-Sea

£9,495
Was £11,495 Save £2,000

Mercedes Benz SLK 2.1 SLK250 CDI BlueEfficiency AMG Sport G Tronic+ Euro 5 (s/s) 2dr Only 39000 Miles

Description includes radio, abs, esp, pas, bluetooth interface, alloy wheels, locking wheel bolts, passenger, remote central locking, anti lock braking system, dab digital radio, centre console, immobiliser, cd, wind deflector, usb, spare wheel, electronic stability prog...eee

Bespoke Car Sales Ltd, Revers Street, Bury

£9,495
Was £9,995 Save £500

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

Featuring convertible, black, diesel, alarm, alloys, alloy wheels, abs, airbag, coupe, air conditioning, leather, audio 20, pas, passenger, driver, 18in alloy wheels, automatic, service history, full service history, hpi clear, radio, mot, satellite navigation...eee

145 cars under £20,000

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

£19,991

Mercedes Benz SLK 5.4 SLK55 V8 AMG Convertible 2dr Petrol G Tronic Euro 4 (360 ps)

With mp3 compatible, wind deflector, alloy wheels, radio, service history, bluetooth system, centre console storage, bluetooth interface, passenger, sports suspension, audio, centre console, pas, speakers, bluetooth, full service history, auto climate con...eee

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