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

173 Mercedes Benz Slk cars under £20,000 - 74 reductions

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Recently reduced (74)

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)

Includes full service history, computer, steering wheel mounted controls, central door locking, steering wheel leather, exterior lighting, anti lock brakes, driver, cruise control, climate control, leather, service history, headlamp wash, alloy wheels, immobi...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)

Featuring alarm, spare wheel, air bag passenger, passenger, adjustable steering column, anti lock brakes, computer, driver, alloy wheels, air bag, steering wheel mounted controls, central door locking, immobiliser, electric windows, electronic stability progra...eee

Vertu Volkswagen Mansfield, 206 Chesterfield Road North, Mansfield

£15,000
Was £15,860 Save £860

Mercedes Benz SLK SLK 300 AMG Sport 2dr Tip Auto

Features include driver, immobiliser, led daytime running lights, outside temperature gauge, passenger, chrome exhaust tailpipe, leather steering wheel, alarm system/interior protection/immobiliser, esp, pas, abs, body colour bumpers, sports seats, daytime running li...eee

Xclusive Xports, Ashendene Farm, Bayford

£12,950
Was £13,750 Save £800

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

Options include air con, abs, alarm, full service history, audio, black, alloy wheels, passenger, audio 20, cruise control, 18in alloy wheels, leather, air conditioning, anti lock braking system, 1 owner, bluetooth, service history, sat nav, radio, airbag, dab radio...eee

GRS Cars, 45 Lancaster Road, Melksham

£11,695
Was £12,395 Save £700

Mercedes Benz SLK SLK 250 D AMG SPORT AUTO

Features on this model include abs, 18in alloy wheels, alarm, audio 20, heated front seat, service history, navigation system, convertible, brake assist, air con, airbag, alloy wheels, pas, airbags, anti lock braking system, passenger, automatic, bluetooth, black, bluetooth interf...eee

Anchor Cars Tadley, 28 Mulfords Hill, Tadley

£11,694
Was £11,695 Save £1

Mercedes Benz SLK SLK 250d AMG Sport 2dr Tip Auto

Featuring abs, led daytime running lights, radio, diesel particulate filter, diesel, esp, usb, front centre armrest, computer, brake assist, automatic headlamp activation, active head restraints, daytime running lights, multi function steering wheel, dual stag...eee

Aspi Specialist Cars, Warwick Road, Stratford upon Avon

£11,500
Was £12,000 Save £500

Mercedes Benz SLK 1.8 SLK200 AMG Sport Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (184 ps)

Comes with remote alarm, central locking, cruise control, folding mirrors, alloy wheels, leather, airbag, speed limiter, bluetooth, driver, airbags, air con, passenger, alarm, service history, electric folding mirrors, heated front seat, navigation system, abs,...eee

Alpha Motors (Wigan) Limited, Park Lane Garage, Wigan

£11,490
Was £12,990 Save £1,500

Mercedes Benz SLK 2.0 SLK200 AMG Sport Convertible 2dr Petrol Manual Euro 6 (s/s) (184 ps)

Comes with service history, anti lock braking system, leather, alloy wheels, 18in alloy wheels, leather seats, climate control, usb, driver, warranty, radio, auto lights, alloys, black, daytime running lights, pas, cruise control, hpi clear, cd, dab radio, led ...eee

Abbey Vehicle Solutions, 222 Buxton Road, Stockport

£10,990
Was £12,990 Save £2,000

Mercedes Benz SLK 3.5 SLK350 BLUEEFFICIENCY AMG SPORT ED125 2d 306 BHP

Featuring automatic, heated seats, driver, radio, bluetooth, immobiliser, audio, heated front seat, alloy wheels, airbags, electronic stability programme, electric windows, 18in alloy wheels, airbag, full service history, abs, esp, usb, black, hill start assis...eee

Prestige Car Supermarket, A19 Crockey Hill, York

£10,699
Was £10,999 Save £300

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

Comes with We have much more to tell you about this car so please feel free to call us for more details...eee