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)
£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 sunroof, xenon headlights, parktronic, abs, daytime running lights, speakers, led daytime running lights, rear spoiler, airbag, electric folding mirrors, 8 speakers, driver, reversing camera, passenger, climate control, alloys, black, warranty, foldi...eee
£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 alarm, low mileage, driver, electric mirrors, metallic paintwork, electrically adjustable drivers seat, passenger airbag, front armrest, heated seats, central locking, passenger, power steering, pas, xenon headlights, abs, steering wheel reach adjust...eee
£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
With electronic stability programme, panoramic glass sunroof, sunroof, pas, esp, daytime running lights, 8 speakers, automatic, driver, bluetooth, passenger, abs, airbag, alarm, centre console, head restraints, airbags, brake assist, parktronic, anti lock...eee
£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
With passenger, automatic, alloy wheels, bluetooth interface, alarm, 18in alloy wheels, navigation system, 8 speakers, anti lock braking system, speakers, brake assist, daytime running lights, airbag, black, electronic stability programme, pas, abs, audio...eee
£16,995
Was £18,995 Save £2,000
Mercedes Benz SL Class SL350
2014 | 71,500 miles | Convertible | 3498 | petrol | automatic | 2 doors
This model has sat nav, service history, cruise control, warranty, black, alloys, leather, bluetooth, full service history...eee
£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
Features on this model include passenger, cruise control, air bag, lumbar support, leather, service history, fog lights, alloys, pas, speakers, adjustable steering column, adjustable steering column/wheel, immobiliser, driver...eee
£16,500
Was £17,500 Save £1,000
Mercedes Benz SL Class 320 R129
1998 | 48,000 miles | Convertible | 3200 | petrol | automatic | 0 doors
Includes esp, metallic paint, leather, twin air bags, brake assist, air con, electric windows, low mileage, panoramic glass roof, adjustable drivers seat, service indicator, air bag, height adjustable drivers seat, traction control, cruise control, cd player,...eee
£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
With airbags, dab radio, anti lock braking system, immobiliser, passenger, radio, alloy wheels, service history, driver, tyre pressure monitoring system, alarm, cruise control, speakers, leather, 8 speakers, pas, full service history, parktronic, black, 2...eee
£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
This model has leather interior, driver, warranty, alloy wheels, electric windows, service history, passenger, leather, pas, alloys...eee
£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
Features include rear parking sensors, electric mirrors, trip computer, esp, sunroof, rear parking sensor, manual, cruise control, air bag driver, climate control, centre console, driver, headlight wash, computer, 2 owners, full leather, power steering, alloy wheels,...eee
68 cars under £20,000
£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 8 speakers, electric folding mirrors, bluetooth, airbags, air con, speakers, parktronic, black, cd, daytime running lights, xenon headlights, airbag, folding mirrors, climate control, rear parking sensor, alloys, alloy wheels, abs, cd player, warrant...eee
£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
Features on this model include mot, pas, alarm, abs, airbags, immobiliser, brake assist, automatic, anti lock braking system, alloy wheels, bluetooth, audio, automatic headlamp activation, navigation system, electronic stability programme, daytime running lights, passenger, driver...eee
£19,995
Mercedes Benz SL Class SL55 AMG
2003 | 67,820 miles | Convertible | 5439 | petrol | automatic | 2 doors
Comes with service history, leather...eee
£19,950
Mercedes Benz SL Class V6 AMG Sports Pack
2014 | 45,000 miles | Convertible | 3498 | petrol | automatic | 2 doors
Featuring speakers, navigation system, black, alloys, parktronic, centre console...eee
£19,500
Was £20,500 Save £1,000
Mercedes Benz SL Class 320 R129
1999 | 48,500 miles | Convertible | 3199 | petrol | automatic | 0 doors
This model has metallic paint, airbag, air bag, power steering, pas, front armrest, passenger airbag, metallic paintwork, central locking, low mileage, steering wheel reach adjustment, passenger, alarm, cruise control, leather, electrically adjustable drivers seat,...eee
£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
With trip computer, leather, pas, steering wheel mounted controls, immobiliser, power assisted steering, leather upholstery, adjustable steering column, head restraints, convertible, air bag driver, alloy wheels, third brake light, anti lock brakes, gear ...eee
£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
Featuring centre console, airbags, bluetooth, 8 speakers, panoramic glass sunroof, esp, anti lock braking system, brake assist, speakers, driver, electronic stability programme, alarm, immobiliser, head restraints, parktronic, passenger, abs, airbag, sports su...eee
£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
With air bag passenger, air bag driver, climate control, electric windows, fog lights, electronic stability programme, immobiliser, head restraints, central door locking, part exchange welcome, passenger, computer, mot, air bag, cruise control, adjustable...eee
£17,995
Mercedes Benz SL Class SL 55 AMG KOMPRESSOR
2003 | 65,600 miles | Convertible | 5439 | petrol | automatic | 2 doors
Featuring hpi clear, leather, pas, 2 keys, mot, leather interior, driver, service history, air con, abs, air conditioning, convertible, passenger...eee
£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
With automatic, pas, bluetooth, airbag, driver, speakers, 18in alloy wheels, audio, esp, airbags, electronic stability programme, anti lock braking system, alarm, leather, brake assist, abs, bluetooth interface, navigation system, black, daytime running l...eee
We currently have 68 Mercedes Benz Sl Class cars available across the UK priced under £20000.
