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

126 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)

With cd, pas, audio, bluetooth system, centre console storage, auto climate control, bluetooth, full service history, bluetooth interface, centre console, climate control, service history, passenger, alloy wheels, mp3 compatible, sports suspension, audio ...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)

Comes with air bag driver, alarm, spare wheel, leather, passenger, alloy wheels, anti lock brakes, electric windows, power assisted steering, central door locking, adjustable steering column, electronic stability programme, electric windows (front), air bag, bl...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)

Features include adjustable steering column/wheel, heated seats, exterior lighting, leather, electronic stability programme, bluetooth, full service history, central door locking, service history, parktronic, black, climate control, alloy wheels, cruise control, stee...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

Includes brake assist, audio, leather interior, air conditioning, black, alloy wheels, audio 20, mot, rear parking sensors, passenger, climate control, bluetooth interface, leather, automatic, radio, pas, rear parking sensor, air con, airbag, bluetooth, abs, ...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)

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

This car has dab digital radio, part exchange welcome, audio, bluetooth, 18in alloy wheels, dab radio, wind deflector, radio, finance available, low mileage, leather, heated seats, satellite navigation, alloy wheels, climate control, hpi clear, bluetooth interfac...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)

Options include heated seats, automatic, dab digital radio, 18in alloy wheels, hpi clear, bluetooth, low mileage, leather interior, 2 keys, radio, electric windows, alloy wheels, leather, bluetooth interface, audio, air conditioning, wind deflector, brake assist, sp...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 on this model include dab digital radio, diesel, audio 20, abs, alarm, audio, cloth interior, driver, automatic transmission, esp, black, side airbags, airbags, cruise control, air con, aluminium trim, speed limiter, black cloth interior, convertible, passenger, automatic...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 steering wheel leather, anti lock brakes, leather, cruise control, air bag passenger, traction control, tinted glass, air bag, leather upholstery, power assisted steering, fsh, third brake light, alloy wheels, immobiliser, amg body kit, trip computer...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)

Featuring airbag, full leather, automatic, audio 20, driver, bluetooth, airbags, abs, alloys, low mileage, brake assist, alarm, pas, radio, service history, alloy wheels, 18in alloy wheels, air conditioning, leather, black, bluetooth interface, passenger, warr...eee

126 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)

Comes with automatic headlights, leather, sat nav, automatic, led daytime running lights, front and rear parking sensors, alloys, paddle shift, audio, daytime running lights, radio, climate control, dab digital radio, rear parking sensor, bluetooth audio stream...eee

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