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
Change budget
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 anti lock braking system, reversing camera, driver, bluetooth, led daytime running lights, alloys, rear spoiler, rear parking sensors, parking sensors, air conditioning, warranty, alloy wheels, air con, sunroof, speakers, cd player, black, rear parki...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
Options include leather, heated seats, passenger, anti theft system, folding mirrors, esp, air bag, adjustable seats, steering wheel rake adjustment, abs, pas, electric mirrors, power steering, remote alarm, alarm, cruise control, low mileage, driver, immobiliser, l...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
Features on this model include parktronic, driver, bluetooth interface, bluetooth, anti lock braking system, audio, esp, centre console, daytime running lights, 8 speakers, head restraints, panoramic glass sunroof, pas, electronic stability programme, sports suspension, 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 speakers, alloy wheels, airbag, esp, driver, black, audio, 8 speakers, 18in alloy wheels, abs, passenger, navigation system, pas, airbags, bluetooth interface, bluetooth, daytime running lights, leather, brake assist, immobiliser, anti lock braking s...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 black, warranty, cruise control, bluetooth, service history, alloys, full service history, leather, sat nav...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 fog lights, leather, speakers, cruise control, adjustable steering column, adjustable steering column/wheel, immobiliser, service history, alloys, lumbar support, air bag, driver, pas, passenger...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
Options include front armrest, anti theft system, front fog lights, colour coded body, electric windows, remote alarm, full size spare wheel, power steering, climate control, metallic paint, service indicator, air con, air bag, driver, head restraints, electric seat...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
Features include passenger, 8 speakers, speakers, radio, tyre pressure monitoring system, leather interior, anti lock braking system, bluetooth, airbag, black, dab radio, alloy wheels, sports suspension, parktronic, abs, airbags, alarm, pas, leather, 2 keys, full ser...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
Includes driver, alloys, leather, alloy wheels, passenger, warranty, leather interior, electric windows, service history, pas...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
With xenon headlamps, power steering, centre console, 12 months mot, adjustable steering column/wheel, electric seats, central locking, automatic headlights, parktronic, mot, sunroof, alloy wheels, electric windows, adjustable steering column, airbags, cr...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
Featuring 8 speakers, rear parking sensors, electric folding mirrors, sunroof, reversing camera, bluetooth, black, panoramic sunroof, airbags, parktronic, passenger, anti lock braking system, rear parking sensor, speakers, xenon headlights, climate control, cd...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
This car has immobiliser, airbag, esp, 18in alloy wheels, 8 speakers, driver, bluetooth, brake assist, electronic stability programme, alloy wheels, headlight wash, mot, pas, bluetooth interface, daytime running lights, alarm, audio, anti lock braking system, aut...eee
£19,995
Mercedes Benz SL Class SL55 AMG
2003 | 67,820 miles | Convertible | 5439 | petrol | automatic | 2 doors
Includes service history, leather...eee
£19,950
Mercedes Benz SL Class V6 AMG Sports Pack
2014 | 45,000 miles | Convertible | 3498 | petrol | automatic | 2 doors
This car has black, speakers, navigation system, parktronic, centre console, alloys...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
Comes with airbag, immobiliser, low mileage, remote alarm, heated seats, esp, locking wheel nuts, lumbar support, adjustable seats, remote central locking, front armrest, steering wheel reach adjustment, power steering, adjustable drivers seat, pas, abs, passen...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
This model has air bag driver, adjustable steering column/wheel, air bag, adjustable steering column, electric windows, third brake light, computer, steering wheel mounted controls, tinted glass, climate control, tyre pressure control, electric windows (front), ste...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, pas, passenger, bluetooth, abs, esp, airbags, bluetooth interface, speakers, parktronic, brake assist, panoramic glass sunroof, alarm, 8 speakers, alloy wheels, automatic, daytime running lights, anti lock braking syst...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
Comes with mot, electronic stability programme, head restraints, pas, air bag driver, central door locking, adjustable steering column/wheel, adjustable steering column, cruise control, driver, electric windows (front), fog lights, air bag passenger, air bag, i...eee
£17,995
Mercedes Benz SL Class SL 55 AMG KOMPRESSOR
2003 | 65,600 miles | Convertible | 5439 | petrol | automatic | 2 doors
This car has abs, driver, air con, 2 keys, service history, leather interior, pas, convertible, leather, hpi clear, passenger, air conditioning, mot...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
Options include esp, alloy wheels, pas, navigation system, 8 speakers, bluetooth, airbag, immobiliser, brake assist, automatic, driver, bluetooth interface, speakers, daytime running lights, airbags, black, alarm, leather, anti lock braking system, audio, 18in alloy...eee
We currently have 68 Mercedes Benz Sl Class cars available across the UK priced under £20000.
