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)

Features on this model include service history, alloy wheels, cruise control, parktronic, leather, steering wheel mounted controls, electronic stability programme, steering wheel leather, driver, full service history, alarm, anti lock brakes, computer, air bag, adjustable steering...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)

With climate control, immobiliser, air bag, electronic stability programme, computer, pas, spare wheel, central door locking, electric windows (front), power assisted steering, speakers, alloy wheels, steering wheel mounted controls, driver, air bag drive...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)

Comes with leather seats, alarm, radio, leather, cruise control, heated front seat, sat nav, electric windows, airbags, driver, parking sensors, manual, passenger, immobiliser, rear parking sensors, air con, alloy wheels, brake assist, automatic, 18in alloy whe...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

Options include audio, climate control, driver, mot, rear parking sensor, audio 20, radio, air con, pas, leather interior, abs, alloy wheels, bluetooth interface, alarm, dab radio, multi function steering wheel, black, speed limiter, convertible, airbags, rear parki...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)

Features include alloy wheels, mot, alloys, alarm, airbag, dab radio, automatic transmission, leather, automatic, airbags, convertible, diesel, radio, pas, 18in alloy wheels, abs, sports suspension, anti lock braking system, audio 20, air con, audio, driver, cruise c...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)

Features include air con, part exchange welcome, leather, 18in alloy wheels, alloy wheels, 2 keys, heated seats, cruise control, cd, navigation system, heated front seat, audio, parking sensors, hpi clear, finance available, rear parking sensors, climate control, ele...eee

Andrews of Otterbourne, Norlands Drive, Winchester

£10,495
Was £10,995 Save £500

Mercedes Benz SLK 3.0 SLK280 7G Tronic 2dr

Featuring alloy wheels, steering wheel mounted controls, driver, central door locking, speakers, spare wheel, electric windows (front), side protection mouldings, adjustable steering column/wheel, air bag, air con, immobiliser, pas, cloth, steering wheel leath...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

With air conditioning, tinted glass, speakers, dab digital radio, electronic stability programme, air con, sports suspension, immobiliser, cruise control, automatic headlamp activation, bluetooth, bluetooth interface, esp, radio, automatic, 18in alloy whe...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)

Options include air con, radio, satellite navigation, alloys, anti lock braking system, leather, alloy wheels, airbags, warranty, air conditioning, diesel, alarm, airbag, black, passenger, audio 20, mot, pas, service history, hpi clear, navigation system, driver, co...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

With passenger, abs, centre console, esp, electronic stability programme, wind deflector, brake assist, spare wheel, anti lock braking system, bluetooth interface, radio, alarm, dab digital radio, audio 20, usb, bluetooth, cd, automatic, remote central lo...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)

Description includes service history, speakers, sports suspension, full service history, centre console storage, alloy wheels, climate control, audio, alloys, pas, audio 20, centre console, bluetooth interface, passenger, bluetooth system, bluetooth, radio, cd, auto clim...eee

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