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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

With rear spoiler, parking sensors, daytime running lights, parktronic, rear view camera, electric folding mirrors, abs, airbag, climate control, speakers, alloy wheels, pas, xenon headlights, alloys, warranty, cd player, cd, air conditioning, bluetooth, ...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

Featuring electrically adjustable drivers seat, front armrest, adjustable drivers seat, driver, pas, immobiliser, adjustable seats, adjustable steering column, steering wheel rake adjustment, passenger airbag, air bag, metallic paint, electrically adjustable p...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

This car has immobiliser, sports suspension, sunroof, abs, airbags, automatic, bluetooth, alloy wheels, passenger, speakers, head restraints, panoramic glass sunroof, audio, daytime running lights, brake assist, centre console, 8 speakers, esp, airbag, alarm, pas...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 car has alarm, 8 speakers, bluetooth interface, passenger, electronic stability programme, audio, pas, black, brake assist, anti lock braking system, speakers, immobiliser, automatic, airbag, driver, navigation system, esp, abs, 18in alloy wheels, daytime ru...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 cruise control, bluetooth, full service history, leather, service history, black, warranty, sat nav, alloys...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

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

Featuring automatic, twin air bags, power steering, metallic paintwork, brake assist, electric windows, alarm, leather, head restraints, leather interior, climate control, radio/cd, front armrest, air bag, cloth, driver, central locking, abs, alloy wheels, adj...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

Description includes leather, alarm, full service history, cruise control, airbag, bluetooth, 2 keys, 8 speakers, driver, airbags, immobiliser, alloy wheels, tyre pressure monitoring system, leather interior, passenger, dab radio, anti lock braking system, pas, service h...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

With service history, warranty, alloy wheels, electric windows, passenger, leather, pas, leather interior, driver, alloys...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

Description includes rear parking sensor, mot, leather, electric seats, rear parking sensors, airbags, air con, headlight wash, alloy wheels, parking sensors, air conditioning, remote central locking, esp, driver, centre console, adjustable steering column/wheel, digital...eee





68 cars under £20,000

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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

With leather, service history...eee

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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

Includes rear parking sensor, passenger, panoramic sunroof, daytime running lights, electric folding mirrors, parking sensors, speakers, rear parking sensors, parktronic, abs, black, folding mirrors, climate control, reversing camera, anti lock braking system...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

Comes with automatic, airbag, bluetooth interface, driver, daytime running lights, pas, esp, 8 speakers, audio, immobiliser, automatic headlamp activation, abs, alarm, mot, passenger, service history, 18in alloy wheels, speakers, electronic stability programme,...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

Features on this model include black, navigation system, centre console, parktronic, alloys, speakers...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

Includes electric mirrors, alarm, electrically adjustable drivers seat, service indicator, steering wheel reach adjustment, driver, adjustable drivers seat, metallic paint, steering wheel rake adjustment, heated seats, abs, electrically adjustable passenger s...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

Features on this model include third brake light, air bag, electronic stability programme, trip computer, alarm, steering wheel leather, convertible, rain sensor, climate control, passenger, electric windows, gear knob leather, pas, adjustable steering column, air bag driver, stee...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

Options include parktronic, daytime running lights, head restraints, airbags, anti lock braking system, audio, centre console, pas, speakers, brake assist, alarm, panoramic glass sunroof, driver, abs, airbag, bluetooth interface, sports suspension, automatic, passen...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

Options include driver, mot, service history, air conditioning, abs, leather interior, passenger, pas, convertible, air con, 2 keys, leather, hpi clear...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 immobiliser, adjustable steering column/wheel, electronic stability programme, fog lights, driver, central door locking, electric windows, adjustable steering column, air bag driver, passenger, air bag passenger, head restraints, alarm, power assiste...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 anti lock braking system, alloy wheels, bluetooth interface, alarm, electronic stability programme, brake assist, airbag, leather, audio, automatic, navigation system, daytime running lights, esp, bluetooth, pas, 18in alloy wheels, immobiliser, drive...eee






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

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