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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

Options include wind deflector, pas, passenger, service history, bluetooth system, centre console, speakers, sports suspension, audio, climate control, cd, alloy wheels, bluetooth interface, bluetooth, audio 20, full service history, mp3 compatible, centre console s...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

Includes electronic stability programme, heated seats, air bag, adjustable steering column, full service history, climate control, adjustable steering column/wheel, headlamp wash, immobiliser, alloy wheels, anti lock brakes, cruise control, leather, exterior ...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

This model has leather, mot, black, service history, airbags, airbag, driver, abs, navigation system, air conditioning, heated seats, part exchange welcome, finance available, air con, automatic, alloy wheels, 18in alloy wheels, 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

Featuring diesel, air conditioning, airbags, alarm, air con, driver, cd, anti lock braking system, 18in alloy wheels, leather, warranty, heated front seats, passenger, parktronic, audio 20, convertible, brake assist, heated seats, automatic, airbag, audio, sat...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

Features on this model include hpi clear, air con, dab radio, cruise control, part exchange welcome, leather, 18in alloy wheels, finance available, radio, heated seats, heated front seat, daytime running lights, 2 keys, bluetooth interface, audio, bluetooth, alarm, electric window...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

Features include electric windows, traction control, electronic stability programme, immobiliser, front fog lights, steering wheel mounted controls, leather upholstery, driver, computer, air bag driver, pas, speakers, upholstery cloth, air bag, cruise control, fsh, c...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

Comes with radio, air con, pas, alloy wheels, 18in alloy wheels, bluetooth, alloys, airbags, black, leather, automatic, warranty, service history, brake assist, bluetooth interface, driver, audio 20, airbag, passenger, air conditioning, low mileage, abs, audio,...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

Featuring navigation system, electronic stability programme, wind deflector, immobiliser, remote boot release, sports suspension, automatic headlamp activation, speakers, air con, bluetooth, usb, cruise control, tyre pressure loss warning system, dab digital r...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

Features on this model include bluetooth interface, cruise control, radio, alloy wheels, driver, airbags, side airbags, cloth interior, dab digital radio, anti lock braking system, convertible, cd, pas, 17in alloy wheels, bluetooth, speed limiter, diesel, alarm, air con, daytime r...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

This car has paddle shift, daytime running lights, service history, bluetooth, radio, climate control, automatic, sat nav, panoramic sunroof, full service history, rear parking sensor, sunroof, leather seats, cruise control, automatic headlights, parking sensors,...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 full service history, alloy wheels, climate control, centre console, bluetooth system, wind deflector, passenger, speakers, audio, mp3 compatible, bluetooth, service history, cd, centre console storage, sports suspension, auto climate control, radio,...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 steering wheel mounted controls, anti lock brakes, exterior lighting, cruise control, air bag, leather, adjustable steering column/wheel, immobiliser, parktronic, driver, alloy wheels, central door locking, computer, climate control, bluetooth, headl...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

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

This model has 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

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

Options include service history, full service history, petrol, leather interior, sports seats, computer, trip computer, registered keeper, daytime running lights, leather, convertible, led daytime running lights, alloys, black, 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

Featuring anti lock brakes, power assisted steering, air bag, adjustable steering column, passenger, alarm, steering wheel leather, alloy wheels, steering wheel mounted controls, electronic stability programme, adjustable steering column/wheel, driver, cruise ...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

Description includes heated front seat, daytime running lights, bluetooth, 18in alloy wheels, audio 20, radio, climate control, parking sensors, automatic gearbox, parktronic, air con, speed limiter, dab radio, alloy wheels, air conditioning, heated seats, rear parking s...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 include air conditioning, 18in alloy wheels, leather, heated seats, part exchange welcome, finance available, airbag, anti lock braking system, automatic, service history, abs, alloy wheels, black, air con, mot, navigation system, driver, airbags...eee






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

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