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
With reversing camera, driver, rear view camera, air con, airbags, sunroof, speakers, panoramic sunroof, daytime running lights, abs, anti lock braking system, airbag, alloy wheels, pas, parking sensors, warranty, folding mirrors, xenon headlights, parktr...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
With passenger airbag, electrically adjustable drivers seat, cruise control, heated seats, front armrest, locking wheel nuts, esp, lumbar support, immobiliser, driver, power steering, electric windows, central locking, steering wheel reach adjustment, met...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
Options include electronic stability programme, sunroof, abs, pas, anti lock braking system, airbag, audio, speakers, alloy wheels, panoramic glass sunroof, immobiliser, passenger, driver, brake assist, sports suspension, centre console, parktronic, bluetooth, alarm...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 bluetooth interface, black, electronic stability programme, daytime running lights, bluetooth, airbags, 8 speakers, abs, audio, alarm, alloy wheels, esp, driver, anti lock braking system, automatic, passenger, navigation system, airbag, speakers, 18i...eee
£16,995
Was £18,995 Save £2,000
Mercedes Benz SL Class SL350
2014 | 71,500 miles | Convertible | 3498 | petrol | automatic | 2 doors
With warranty, black, cruise control, alloys, bluetooth, sat nav, full service history, service history, leather...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
Description includes pas, leather, immobiliser, service history, lumbar support, adjustable steering column, cruise control, passenger, alloys, fog lights, speakers, driver, air bag, adjustable steering column/wheel...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
Features include traction control, service history, air conditioning, cruise control, air bag, alarm, electric windows, abs, colour coded body, electric front windows, leather interior, panoramic glass roof, remote central locking, electric mirrors, front fog lights,...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
Includes 8 speakers, immobiliser, abs, speakers, alloy wheels, radio, full service history, cruise control, service history, airbag, pas, anti lock braking system, passenger, tyre pressure monitoring system, dab radio, alarm, leather interior, sports suspensi...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
Features on this model include leather interior, alloy wheels, service history, leather, warranty, driver, electric windows, passenger, 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
This car has 12 months mot, climate control, full leather, rear parking sensor, remote central locking, central locking, airbag, side air bags, headlight wash, centre console, convertible, manual, metallic paint, low mileage, air bag driver, 2 owners, electric mi...eee
68 cars under £20,000
£19,995
Mercedes Benz SL Class SL55 AMG
2003 | 67,820 miles | Convertible | 5439 | petrol | automatic | 2 doors
With leather, service history...eee
£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 electric folding mirrors, abs, parking sensors, air con, alloys, rear view camera, parktronic, sunroof, passenger, 8 speakers, pas, climate control, led daytime running lights, warranty, daytime running lights, airbag, alloy wheels, driver, air condi...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
With immobiliser, passenger, 18in alloy wheels, anti lock braking system, daytime running lights, esp, audio, 8 speakers, pas, speakers, airbags, abs, alloy wheels, bluetooth, automatic headlamp activation, airbag, brake assist, bluetooth interface, headl...eee
£19,950
Mercedes Benz SL Class V6 AMG Sports Pack
2014 | 45,000 miles | Convertible | 3498 | petrol | automatic | 2 doors
Comes with navigation system, alloys, speakers, parktronic, centre console, black...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
Features include metallic paint, electric windows, passenger airbag, xenon headlights, driver, central locking, folding mirrors, pas, remote alarm, passenger, adjustable seats, air bag, leather, lumbar support, front armrest, electrically adjustable passenger seat, s...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
Description includes steering wheel leather, head restraints, low mileage, anti lock brakes, air bag driver, central door locking, electronic stability programme, gear knob leather, cup holder, driver, trip computer, headlamp wash, air bag passenger, immobiliser, electri...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 electronic stability programme, bluetooth interface, anti lock braking system, automatic, bluetooth, airbags, sunroof, daytime running lights, airbag, alloy wheels, pas, speakers, sports suspension, alarm, panoramic glass sunroof, esp, parktronic, im...eee
£17,995
Mercedes Benz SL Class SL 55 AMG KOMPRESSOR
2003 | 65,600 miles | Convertible | 5439 | petrol | automatic | 2 doors
Featuring leather, abs, driver, hpi clear, service history, passenger, pas, convertible, air con, 2 keys, air conditioning, leather interior, mot...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
Featuring part exchange welcome, electric windows (front), alloy wheels, central door locking, fog lights, head restraints, body coloured bumpers, immobiliser, pas, cruise control, front fog lights, power assisted steering, mot, air bag passenger, electric win...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 electronic stability programme, daytime running lights, bluetooth, speakers, 8 speakers, pas, leather, airbag, passenger, immobiliser, bluetooth interface, audio, 18in alloy wheels, alloy wheels, automatic, abs, anti lock braking system, brake assist...eee
We currently have 68 Mercedes Benz Sl Class cars available across the UK priced under £20000.
