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

125 Mercedes Benz Slk cars under £20,000 - 41 reductions

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Recently reduced (41)

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)

Features on this model include passenger, centre console storage, speakers, bluetooth system, mp3 compatible, full service history, service history, wind deflector, climate control, pas, cd, audio, alloy wheels, audio 20, centre console, radio, bluetooth, alloys, bluetooth interfa...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)

Features include leather, alloy wheels, climate control, air bag passenger, electric windows, pas, speakers, adjustable steering column, black, air bag driver, electronic stability programme, steering wheel mounted controls, computer, alarm, central door locking, ele...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)

Featuring black, alloy wheels, electronic stability programme, headlamp wash, climate control, computer, alarm, service history, steering wheel mounted controls, anti lock brakes, immobiliser, bluetooth, air bag, adjustable steering column, adjustable steering...eee

Eclipse Car Sales Limited, 89 Main Road, Winchester

£12,995
Was £13,449 Save £454

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

This car has driver, airbags, rear parking sensors, air con, passenger, brake assist, radio, alloy wheels, air conditioning, mot, convertible, multi function steering wheel, rear parking sensor, leather, climate control, abs, airbag, leather interior, anti lock b...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)

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

Troon Cars LTD, 33 Wenlock Way, Leicester

£11,500
Was £11,990 Save £490

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

Description includes alloy wheels, leather, daytime running lights, black, part exchange welcome, satellite navigation, hpi clear, cd, cruise control, 18in alloy wheels, leather interior, heated seats, heated front seats, finance available, navigation system, bluetooth, ...eee

Troon Cars LTD, 33 Wenlock Way, Leicester

£10,990
Was £11,500 Save £510

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

Featuring speed limiter, 18in alloy wheels, daytime running lights, navigation system, air conditioning, climate control, automatic, leather, alarm, electric windows, bluetooth interface, black, heated seats, part exchange welcome, brake assist, cd, leather in...eee

Prestige Car Supermarket, A19 Crockey Hill, York

£10,699
Was £10,799 Save £100

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

Features include radio, cd, leather, audio 20, automatic, led daytime running lights, side airbags, convertible, passenger, air con, alarm, airbag, daytime running lights, abs with brake assist, alloy wheels, bluetooth interface, airbags, sports seats, aluminium trim...eee

Andrews of Otterbourne, Norlands Drive, Winchester

£10,495
Was £10,995 Save £500

Mercedes Benz SLK 3.0 SLK280 7G Tronic 2dr

Description includes alarm, computer, leather upholstery, fsh, passenger, side protection mouldings, fog lights, air bag, leather, traction control, alloy wheels, tinted glass, immobiliser, air bag passenger, front fog lights, black, cruise control, third brake light, el...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)

This model has driver, airbags, warranty, alloy wheels, service history, black, bluetooth interface, 18in alloy wheels, alloys, full leather, pas, anti lock braking system, air con, alarm, airbag, passenger, automatic, radio, low mileage, audio, bluetooth, brake as...eee

125 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)

Featuring cruise control, sat nav, rear parking sensor, full service history, parking sensors, leather seats, service history, black, automatic headlights, daytime running lights, audio, bluetooth audio streaming, panoramic sunroof, paddle shift, rear parking ...eee

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