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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

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


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Recently reduced (41)

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 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)

2009  |   56,555 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

Includes climate control, centre console, sports suspension, bluetooth, service history, audio, radio, wind deflector, alloys, passenger, cd, mp3 compatible, bluetooth interface, centre console storage, bluetooth system, speakers, alloy wheels, full service h...eee

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 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)

2007  |   61,000 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

Featuring alloy wheels, parktronic, full service history, steering wheel leather, adjustable steering column, black, service history, anti lock brakes, leather, headlamp wash, cruise control, bluetooth, alarm, driver, heated seats, climate control, immobiliser...eee

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 SKS Cars Ltd, 1-9 Barton Road, Milton Keynes

£16,695
Was £16,995 Save £300

Mercedes Benz SLK 3.5 SLK350 AMG Sport Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (306 ps)

2015  |   30,000 miles  |   Convertible  |   3498  |   petrol  |   automatic  |   2 doors

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

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 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)

2016  |   52,704 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

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

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 Egerton Cars Ltd, Blackburn Road , Bolton

£11,799
Was £11,995 Save £196

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

2016  |   62,597 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

Description includes heated front seats, audio, air conditioning, alarm, driver, automatic, warranty, heated seats, airbags, airbag, sat nav, parktronic, diesel, leather, alloy wheels, black, convertible, cd, brake assist, anti lock braking system, radio, 18in alloy whee...eee

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 Troon Cars LTD, 33 Wenlock Way, Leicester

£10,500
Was £11,500 Save £1,000

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

2015  |   47,200 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

Includes wind deflector, daytime running lights, brake assist, cruise control, bluetooth, heated front seats, alloy wheels, air conditioning, bluetooth interface, leather, radio, audio, air con, part exchange welcome, 2 keys, audio 20, navigation system, fina...eee

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 Andrews of Otterbourne, Norlands Drive, Winchester

£10,495
Was £10,995 Save £500

Mercedes Benz SLK 3.0 SLK280 7G Tronic 2dr

2007  |   24,700 miles  |   Convertible  |   2996  |   petrol  |   automatic  |   0 doors

Comes with spare wheel, air conditioning, traction control system, cloth, electric windows (front), power assisted steering, traction control, speakers, upholstery cloth, central door locking, third brake light, front fog lights, alloy wheels, computer, steerin...eee

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 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)

2015  |   66,000 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

Options include air conditioning, passenger, black, bluetooth, airbag, pas, anti lock braking system, alloy wheels, low mileage, service history, alloys, full leather, air con, alarm, audio 20, 18in alloy wheels, radio, audio, brake assist, automatic, driver, abs, l...eee

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 Manor Garage, Crossroads Farm, Kingsdown, Box

£9,750
Was £9,950 Save £200

Mercedes Benz SLK SLK 200 BlueEFFICIENCY AMG Sport 2dr Tip Auto

2012  |   54,000 miles  |   Convertible  |   1796  |   petrol  |   automatic  |   2 doors

Features on this model include wind deflector, usb, navigation system, esp, automatic headlamp activation, head restraints, immobiliser, bluetooth, dab digital radio, cruise control, alarm, cd, remote boot release, radio, speakers, bluetooth interface, alloy wheels, air conditioni...eee

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 Prestige Car Supermarket, A19 Crockey Hill, York

£9,699
Was £10,799 Save £1,100

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

2014  |   36,624 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

This model has black, 17in alloy wheels, audio, alloy wheels, anti lock braking system, aluminium trim, radio, bluetooth interface, speed limiter, diesel, wind deflector, passenger, audio 20, side airbags, abs, abs with brake assist, sports seats, cruise control, a...eee





120 cars under £20,000

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 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)

2013  |   56,000 miles  |   Convertible  |   5461  |   petrol  |   automatic  |   2 doors

Features include sat nav, bluetooth audio streaming, leather seats, audio, panoramic sunroof, rear parking sensor, radio, service history, cruise control, automatic, alloys, daytime running lights, rear parking sensors, automatic headlights, led daytime running light...eee

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 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)

2009  |   56,555 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

Description includes bluetooth system, centre console, pas, full service history, auto climate control, alloy wheels, alloys, audio, climate control, audio 20, bluetooth, sports suspension, mp3 compatible, wind deflector, centre console storage, passenger, radio, speaker...eee

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 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)

2007  |   61,000 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

This car has adjustable steering column/wheel, driver, central door locking, alloy wheels, computer, service history, headlamp wash, bluetooth, exterior lighting, heated seats, steering wheel mounted controls, cruise control, leather, air bag, alarm, anti lock br...eee

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 Integrity Automotive Limited, West End Road, Ipswich

£17,350

Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS MCT Euro 5 (s/s) (421 ps)

2012  |   79,431 miles  |   Convertible  |   5461  |   petrol  |   automatic  |   2 doors

Includes immobiliser, automatic transmission, airbags, air con, service history, airbag, black, alarm, air conditioning, passenger, leather interior, 18in alloy wheels, driver, pas, leather, abs, automatic, alloy wheels, anti lock braking system...eee

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 SKS Cars Ltd, 1-9 Barton Road, Milton Keynes

£16,695
Was £16,995 Save £300

Mercedes Benz SLK 3.5 SLK350 AMG Sport Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (306 ps)

2015  |   30,000 miles  |   Convertible  |   3498  |   petrol  |   automatic  |   2 doors

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

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 Snippersgate, Easington Lane, Houghton-Le-Spring

£15,000

Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2d 5439cc 7G Tronic

2007  |   63,000 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

Featuring central door locking, spare wheel, air bag, speakers, electric windows, climate control, alloy wheels, steering wheel mounted controls, adjustable steering column, adjustable steering column/wheel, electric windows (front), driver, leather...eee

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 RJ Cars Horley Ltd, The Old Forge, Horley

£14,995

Mercedes Benz SLK SLK 300 AMG Sport 2dr Tip Auto

2015  |   39,000 miles  |   Convertible  |   1991  |   petrol  |   automatic  |   0 doors

Features on this model include convertible, led daytime running lights, leather interior, alloys, computer, daytime running lights, trip computer, sports seats, registered keeper, black, service history, petrol, full service history, leather, mot...eee

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 Snippersgate, Easington Lane, Houghton-Le-Spring

£14,000

Mercedes Benz SLK 5.4 SLK55 AMG 2d AUTO 356 BHP

2007  |   40,000 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

Features include anti lock brakes, steering wheel mounted controls, alloy wheels, spare wheel, exterior lighting, electric windows (front), pas, immobiliser, adjustable steering column/wheel, air bag passenger, air bag, computer, third brake light, power assisted ste...eee

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 Troon Cars LTD, 33 Wenlock Way, Leicester

£12,990

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

2016  |   56,500 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

Featuring air conditioning, bluetooth interface, part exchange welcome, hpi clear, 2 owners, finance available, daytime running lights, rear parking sensor, heated front seats, climate control, dab digital radio, bluetooth, heated front seat, alloy wheels, win...eee

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 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)

2016  |   52,704 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

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






We currently have 120 Mercedes Benz Slk cars available across the UK priced under £20000.

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