Cheap Mercedes Benz Slk 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

165 Mercedes Benz Slk cars under £20,000 - 61 reductions

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Recently reduced (61)

St James Motor Company William Street, 4 Muira Estate, Hampshire

£18,990
Was £19,490 Save £500

Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol 7G Tronic (288 g/km, 360 bhp)

Options include computer, adjustable steering column/wheel, adjustable steering column, bluetooth, parktronic, cruise control, alloy wheels, leather, full service history, steering wheel mounted controls, black, electronic stability programme, climate control, alarm...eee

DT Performance Cars, Unit 1A, Atherstone

£18,950
Was £19,950 Save £1,000

Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol Automatic (288 g/km, 360 bhp)

Options include central door locking, passenger, adjustable steering column, alarm, electric windows, speakers, computer, steering wheel mounted controls, black, electronic stability programme, driver, power assisted steering, adjustable steering column/wheel, air b...eee

Prime Motors, Rear of Unit 12,, Hoddesdon

£18,489
Was £18,749 Save £260

Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS MCT Euro 5 (s/s) (421 ps)

Includes rear parking sensor, headlight wash, cruise control, heated front seats, cd, sat nav, air con, central locking, heated front seat, anti lock braking system, alarm, satellite navigation, electric windows, bluetooth, tinted glass, manual, passenger, ra...eee

A690 Specialist Cars Ltd, Belmont Bridge, Durham

£15,290
Was £15,490 Save £200

Mercedes Benz SLK 2.0 SLK300 AMG Sport Convertible 2dr Petrol G Tronic Euro 6 (s/s) (245 ps)

Features on this model include abs, airbags, brake assist, airbag, service history, audio, air conditioning, leather, alarm, dab digital radio, speed limiter, passenger, heated seats, bluetooth interface, 18in alloy wheels, daytime running lights, cruise control, alloy wheels, pan...eee

Rix Motor Company Ltd, Hawleys Lane, Warrington

£11,950
Was £12,750 Save £800

Mercedes Benz SLK 1.8 SLK200 AMG Sport Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (184 ps) Factory extras worth Ã‚Â£3

Options include brake assist, daytime running lights, esp, automatic, anti lock braking system, passenger, head restraints, alarm, audio 20, floor mats, alloy wheels, driver, navigation system, speed limiter, electric windows, radio, 18in alloy wheels, air con, blue...eee

Abbey Vehicle Solutions, 222 Buxton Road, Stockport

£10,990
Was £12,990 Save £2,000

Mercedes Benz SLK 3.5 SLK350 BLUEEFFICIENCY AMG SPORT ED125 2d 306 BHP

Features on this model include leather, 18in alloy wheels, wind deflector, spare wheel, tinted glass, sport seats, immobiliser, alloy wheels, brake assist, cd, heated seats, audio 20, esp, automatic, remote central locking, electronic stability programme, pas, electric windows, us...eee

SVC Specialist Vehicles, Allesley Farm, Warlingham

£10,695
Was £10,995 Save £300

Mercedes Benz SLK SLK200 BLUEEFFICIENCY AMG SPORT 2 Door

Features on this model include mot, convertible, registered keeper, warranty, petrol...eee

Save on used Cars, 44 Normanby Road, Scunthorpe

£10,090
Was £11,290 Save £1,200

Mercedes Benz SLK SLK 250d 2dr Tip Auto

Features include automatic, 17in alloy wheels, usb, bluetooth interface, electronic stability programme, automatic headlamp activation, black, alarm, navigation system, speakers, usb port, esp, speed limiter, tyre pressure monitoring system, remote boot release, poll...eee

Garage on the Green, The Green, St. Leonards-On-Sea

£9,995
Was £11,495 Save £1,500

Mercedes Benz SLK 2.1 SLK250 CDI BlueEfficiency AMG Sport G Tronic+ Euro 5 (s/s) 2dr Only 39000 Miles

This car has driver, centre console, abs, spare wheel, audio, audio 20, locking wheel bolts, passenger, anti lock braking system, airbags, remote central locking, dab digital radio, tinted glass, electric windows, usb, bluetooth interface, alloy wheels, pas, wind...eee

Darlington Car & Commercial, Valley Street, Darlington

£9,995
Was £10,495 Save £500

Mercedes Benz SLK 2.1 SLK250 CDI BLUEEFFICIENCY AMG SPORT 2d 204 BHP

Features on this model include audio, 18in alloy wheels, electric windows, bluetooth interface, audio 20, dab digital radio, locking wheel bolts, cd, wind deflector, alloy wheels, daytime running lights, hpi clear, bluetooth, automatic, black, radio, automatic headlamp activation,...eee