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Cheap Mercedes Benz Sl Class 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

68 Mercedes Benz Sl Class cars under £20,000 - 25 reductions


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Recently reduced (25)

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 Norwich Car Centre Limited, 14 Garden Street,

£19,995
Was £20,995 Save £1,000

Mercedes Benz SL Class 3.5 SL350 AMG Sport Convertible 2dr Petrol G Tronic Euro 5 (s/s) (306 ps)

2014  |   44,000 miles  |   Convertible  |   3498  |   petrol  |   automatic  |   2 doors

This car has airbags, warranty, led daytime running lights, air conditioning, panoramic sunroof, daytime running lights, black, airbag, 8 speakers, pas, abs, air con, electric folding mirrors, rear parking sensors, rear spoiler, climate control, xenon headlights,...eee

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 Kingdom Specialist Car Group, Caker Stream Road, Alton

£19,500
Was £20,500 Save £1,000

Mercedes Benz SL Class 320 R129

1999  |   48,500 miles  |   Convertible  |   3199  |   petrol  |   automatic  |   0 doors

Features include front armrest, alarm, cruise control, folding mirrors, air bag, passenger, abs, passenger airbag, leather, remote alarm, service indicator, electrically adjustable passenger seat, electrically adjustable drivers seat, xenon headlights, anti theft sys...eee

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 Car City UK Easton Way, Building 9, County Durham

£18,490
Was £18,990 Save £500

Mercedes Benz SL Class 3.5 SL350 AMG Sport Convertible 2dr Petrol G Tronic Euro 5 (s/s) (306 ps)

2014  |   51,447 miles  |   Convertible  |   3498  |   petrol  |   automatic  |   2 doors

Description includes passenger, alarm, alloy wheels, sunroof, head restraints, panoramic glass sunroof, bluetooth, driver, immobiliser, 8 speakers, daytime running lights, automatic, esp, speakers, centre console, airbag, pas, brake assist, electronic stability programme...eee

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 Century Cars Ltd, Century Cars Showroom, Turners Hill

£17,500
Was £17,895 Save £395

Mercedes Benz SL Class 4.7 SL500 V8 BlueEfficiency Convertible 2dr Petrol G Tronic Euro 5 (s/s) (435 ps)

2013  |   72,135 miles  |   Convertible  |   4663  |   petrol  |   automatic  |   2 doors

This model has black, immobiliser, airbag, audio, 18in alloy wheels, daytime running lights, navigation system, esp, automatic, 8 speakers, pas, passenger, electronic stability programme, driver, airbags, abs, leather, anti lock braking system, bluetooth, alarm, al...eee

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 The Car Agents, 34 Queen Street, Hitchin

£16,995
Was £18,995 Save £2,000

Mercedes Benz SL Class SL350

2014  |   71,500 miles  |   Convertible  |   3498  |   petrol  |   automatic  |   2 doors

Featuring leather, alloys, bluetooth, full service history, black, service history, warranty, sat nav, cruise control...eee

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 Slades Garage, Church Road, Penn

£16,950
Was £19,950 Save £3,000

Mercedes Benz SL Class 5.4 SL55 Kompressor AMG Convertible 2dr Petrol Automatic (246 g/km, 476 bhp)

2002  |   62,000 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

With driver, passenger, pas, fog lights, service history, air bag, adjustable steering column/wheel, adjustable steering column, cruise control, lumbar support, leather, speakers, alloys, immobiliser...eee

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 Kingdom Specialist Car Group, Caker Stream Road, Alton

£16,500
Was £17,500 Save £1,000

Mercedes Benz SL Class 320 R129

1998  |   48,000 miles  |   Convertible  |   3200  |   petrol  |   automatic  |   0 doors

Features on this model include air con, service history, alloy wheels, cruise control, passenger, colour coded body, automatic, head restraints, brake assist, cd, esp, front head restraints, fog lights, full size spare wheel, abs, cd player, power steering, traction control, elect...eee

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 Bonsha Motors, Unit 15 Saltbrook Trading Estate, Halesowen

£16,490
Was £16,990 Save £500

Mercedes Benz SL Class 3.5 SL350 AMG SPORT 2d 306 BHP

2014  |   81,500 miles  |   Convertible  |   3498  |   petrol  |   automatic  |   2 doors

This car has parktronic, 2 keys, abs, driver, 8 speakers, radio, alloy wheels, leather, cruise control, speakers, tyre pressure monitoring system, sports suspension, anti lock braking system, passenger, alarm, black, airbags, airbag, service history, leather inte...eee

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 SVC Specialist Vehicles, Allesley Farm, Warlingham

£15,995
Was £16,995 Save £1,000

Mercedes Benz SL Class 320 3.2 231PS

1998  |   52,498 miles  |   Convertible  |   3199  |   petrol  |   automatic  |   0 doors

Features include alloys, passenger, warranty, service history, electric windows, driver, leather interior, leather, pas, alloy wheels...eee

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 Central Car & Van Sales, Whitegate Corner, Morecambe

£15,000
Was £15,001 Save £1

Mercedes Benz SL Class 3.7 SL350 Convertible 2dr Petrol Automatic (281 g/km, 245 bhp)

2005  |   36,800 miles  |   Convertible  |   3724  |   petrol  |   automatic  |   2 doors

Options include leather, parking sensors, alloy wheels, parktronic, multi function steering wheel, electric mirrors, power steering, leather trim, xenon headlamps, air conditioning, air bag, 2 owners, mot, full leather, climate control, driver, airbags, digital cloc...eee





68 cars under £20,000

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 Norwich Car Centre Limited, 14 Garden Street,

£19,995
Was £20,995 Save £1,000

Mercedes Benz SL Class 3.5 SL350 AMG Sport Convertible 2dr Petrol G Tronic Euro 5 (s/s) (306 ps)

2014  |   44,000 miles  |   Convertible  |   3498  |   petrol  |   automatic  |   2 doors

Options include black, 8 speakers, bluetooth, sunroof, electric folding mirrors, cd, driver, passenger, abs, panoramic sunroof, air con, reversing camera, cd player, parktronic, folding mirrors, speakers, alloy wheels, warranty, pas, climate control, rear parking se...eee

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 Car Brothers NI, 550 Antrim Road, Newtownabbey

£19,995

Mercedes Benz SL Class 3.5 SL350 V6 BlueEfficiency Convertible 2dr Petrol G Tronic Euro 5 (s/s) (306 ps)

2014  |   37,754 miles  |   Convertible  |   3498  |   petrol  |   automatic  |   2 doors

This model has abs, alloy wheels, airbag, electronic stability programme, navigation system, automatic, bluetooth interface, headlight wash, esp, service history, brake assist, passenger, immobiliser, alarm, airbags, bluetooth, pas, driver, automatic headlamp activ...eee

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 Woldside Classic & Sports Car, Tattershall Way, Louth

£19,995

Mercedes Benz SL Class SL55 AMG

2003  |   67,820 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

Featuring leather, service history...eee

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 Prestige Cars of Sunningdale, Esso Service Station, Windlesham

£19,950

Mercedes Benz SL Class V6 AMG Sports Pack

2014  |   45,000 miles  |   Convertible  |   3498  |   petrol  |   automatic  |   2 doors

This car has parktronic, speakers, alloys, black, navigation system, centre console...eee

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 Kingdom Specialist Car Group, Caker Stream Road, Alton

£19,500
Was £20,500 Save £1,000

Mercedes Benz SL Class 320 R129

1999  |   48,500 miles  |   Convertible  |   3199  |   petrol  |   automatic  |   0 doors

Comes with adjustable seats, electric windows, steering wheel rake adjustment, remote central locking, power steering, electrically adjustable passenger seat, front armrest, central locking, cruise control, remote alarm, alarm, leather, pas, xenon headlights, m...eee

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 Rix Motor Company Ltd Eagle Park Drive, T/A HR Sports and Classics, Cheshire

£18,950

Mercedes Benz SL Class 5.5 SL500 Convertible 2dr Petrol 7G Tronic (284 g/km, 382.68 bhp) 2 Former Keepers Superb Low Mileag

2008  |   42,000 miles  |   Convertible  |   5461  |   petrol  |   automatic  |   2 doors

Includes steering wheel mounted controls, electric windows (front), power assisted steering, adjustable steering column/wheel, headlamp wash, anti lock brakes, convertible, alloy wheels, heated washer jets, tyre pressure control, passenger, cup holder, electr...eee

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 Car City UK Easton Way, Building 9, County Durham

£18,490
Was £18,990 Save £500

Mercedes Benz SL Class 3.5 SL350 AMG Sport Convertible 2dr Petrol G Tronic Euro 5 (s/s) (306 ps)

2014  |   51,447 miles  |   Convertible  |   3498  |   petrol  |   automatic  |   2 doors

Features include automatic, airbag, brake assist, anti lock braking system, sports suspension, bluetooth interface, alarm, alloy wheels, parktronic, speakers, daytime running lights, passenger, audio, sunroof, centre console, head restraints, airbags, pas, 8 speakers...eee

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 Sheriff Motors, 394 ferry road, Edinburgh

£17,995

Mercedes Benz SL Class 5.4 SL55 Kompressor AMG Convertible 2dr Petrol Automatic (246 g/km, 476 bhp)

2002  |   74,000 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

This car has air bag passenger, alloy wheels, adjustable steering column/wheel, part exchange welcome, warranty, climate control, cruise control, electric windows (front), electric windows, mot, driver, head restraints, fog lights, central door locking, body colo...eee

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 N.R. Bates & Son, 535 Richmond Road, Sheffield

£17,995

Mercedes Benz SL Class SL 55 AMG KOMPRESSOR

2003  |   65,600 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

Features include air conditioning, abs, hpi clear, leather, convertible, passenger, driver, pas, mot, service history, leather interior, 2 keys, air con...eee

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 Century Cars Ltd, Century Cars Showroom, Turners Hill

£17,500
Was £17,895 Save £395

Mercedes Benz SL Class 4.7 SL500 V8 BlueEfficiency Convertible 2dr Petrol G Tronic Euro 5 (s/s) (435 ps)

2013  |   72,135 miles  |   Convertible  |   4663  |   petrol  |   automatic  |   2 doors

Options include black, airbags, 8 speakers, passenger, alarm, bluetooth interface, alloy wheels, esp, leather, 18in alloy wheels, pas, driver, audio, electronic stability programme, anti lock braking system, navigation system, immobiliser, speakers, daytime running ...eee






We currently have 68 Mercedes Benz Sl Class cars available across the UK priced under £20000.

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