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

161 Mercedes Benz Slk cars under £20,000 - 64 reductions

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Recently reduced (64)

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)

Featuring computer, driver, exterior lighting, full service history, steering wheel mounted controls, heated seats, cruise control, bluetooth, service history, anti lock brakes, alloy wheels, alarm, leather, electronic stability programme, steering wheel leath...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)

With spare wheel, anti lock brakes, air bag driver, adjustable steering column/wheel, air bag, black, climate control, alloy wheels, steering wheel mounted controls, electric windows (front), adjustable steering column, alarm, passenger, electronic stabil...eee

Rix Motor Company Ltd, Hawleys Lane, Warrington

£12,250
Was £12,750 Save £500

Mercedes Benz SLK 1.8 SLK200 AMG Sport Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (184 ps)

Options include driver, air conditioning, bluetooth interface, esp, immobiliser, passenger, bluetooth, electric windows, brake assist, multi function display, electronic stability programme, dab digital radio, air con, daytime running lights, automatic headlamp acti...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

Options include heated front seat, audio 20, radio, full service history, remote central locking, immobiliser, anti lock braking system, tinted glass, bluetooth, passenger, electronic stability programme, radio cd, spare wheel, airbags, hill start assist, petrol, sa...eee

Appleyard Cars Ltd, 53 G The Lidgates , Pontefract

£10,695
Was £10,995 Save £300

Mercedes Benz SLK 2.1 SLK250 CDi AMG Sport Convertible 2 Door Diesel G Tronic+ Euro 5 (s/s) (204 ps)

Comes with sunroof, wind deflector, fuel computer, leather steering wheel, 18in alloy wheels, automatic headlights, computer, air con, warranty, daytime running lights, electric mirrors, stereo, remote locking, abs, part exchange welcome, bluetooth, anti lock b...eee

SVC Specialist Vehicles, Allesley Farm, Warlingham

£10,695
Was £10,995 Save £300

Mercedes Benz SLK SLK200 BLUEEFFICIENCY AMG SPORT 2 Door

With convertible, registered keeper, mot, 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

Comes with dab digital radio, automatic, mot, wind deflector, alarm, esp, bluetooth interface, navigation system, speed limiter, usb, black, automatic headlamp activation, bluetooth, tyre pressure monitoring system, head restraints, leather, cruise control, 17i...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 model has brake assist, airbag, spare wheel, centre console, pas, automatic, alloy wheels, airbags, immobiliser, abs, usb, driver, speakers, alarm, audio 20, bluetooth, central locking, cd, tinted glass, electric windows, remote central locking, audio, navigat...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 automatic headlamp activation, hpi clear, bluetooth interface, audio 20, wind deflector, daytime running lights, audio, locking wheel bolts, spare wheel, automatic, 18in alloy wheels, bluetooth, tinted glass, radio, electric windows, alloy wheels, da...eee

Standish Bradley Lane, Unit 36A , Wigan

£9,995
Was £10,995 Save £1,000

Mercedes Benz SLK 2.1 SLK250 CDI BLUEEFFICIENCY 2d 204 BHP

Featuring 17in alloy wheels, navigation system, audio, alloy wheels, audio 20, spare wheel, automatic headlamp activation, tinted glass, warranty, electric windows, third brake light, bluetooth, automatic, speakers, cd, bluetooth interface, centre console, dab...eee

161 cars under £20,000

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)

Includes alloy wheels, full service history, steering wheel mounted controls, electronic stability programme, heated seats, central door locking, anti lock brakes, black, cruise control, immobiliser, adjustable steering column/wheel, driver, climate control, ...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)

With electric windows (front), driver, black, speakers, electronic stability programme, air bag passenger, pas, air bag driver, alloy wheels, immobiliser, air bag, computer, adjustable steering column, passenger, spare wheel, leather, electric windows, ad...eee

Prime Motors, Rear of Unit 12,, Hoddesdon

£18,749

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

Description includes voice control, electric windows, radio, cd radio, dab digital radio, tinted glass, bluetooth, headlight wash, pas, immobiliser, heated front seat, satellite navigation, anti lock braking system, airbag, air conditioning, passenger, parking sensors, s...eee

RS Motor Sales, Tadcaster, North Yorkshire

£16,581

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

Includes We have much more to tell you about this car so please feel free to call us for more details...eee

A690 Specialist Cars Ltd, Belmont Bridge, Durham

£15,490

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

Comes with cruise control, panoramic roof, 18in alloy wheels, audio 20, driver, abs, bluetooth, heated seats, airbags, speed limiter, alarm, alloy wheels, bluetooth interface, pas, audio, service history, daytime running lights, brake assist, radio, dab digital...eee

Snippersgate, Easington Lane, Houghton-Le-Spring

£15,000

Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2d 5439cc 7G Tronic

With climate control, steering wheel mounted controls, adjustable steering column/wheel, central door locking, adjustable steering column, leather, speakers, driver, alloy wheels, electric windows (front), air bag, electric windows, spare wheel...eee

Snippersgate, Easington Lane, Houghton-Le-Spring

£14,000

Mercedes Benz SLK 5.4 SLK55 AMG 2d AUTO 356 BHP

Comes with alloy wheels, power assisted steering, steering wheel leather, tinted glass, third brake light, air bag driver, pas, electric windows (front), air bag passenger, steering wheel mounted controls, immobiliser, adjustable steering column/wheel, leather,...eee

Tynemouth Motor Company Select Cars, Blue Pigeon Cosalt, North Shields

£13,999

Mercedes Benz SLK Mercedes Benz SLK 320 Auto Convertible

Featuring central door locking, speakers, spare wheel, head restraints, anti lock brakes, air con, power assisted steering, cruise control, adjustable steering column, adjustable steering column/wheel, 1 owner, leather, air bag, electric windows (front), low m...eee

Townsends of Rugby, 1 Somers Road, Rugby

£13,995

Mercedes Benz SLK AMG SPORT 1.8 Auto

Comes with mot, leather seats, petrol, automatic gearbox, leather, full service history, cruise control, low mileage, service history, satellite navigation, bluetooth, warranty, automatic, parking sensors...eee

Prime Motors, Rear of Unit 12,, Hoddesdon

£13,489

Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)

Featuring third brake light, leather seats, alarm, brake assist, abs, radio, airbag, driver, daytime running lights, alloy wheels, air con, wind deflector, electric windows, speed limiter, automatic, sat nav, cruise control, black, airbags, automatic headlamp ...eee

We currently have 161 Mercedes Benz Slk cars available across the UK priced under £20000.

Mercedes Benz Slk budget

Mercedes Benz reduced

180 (31 reductions)
190 (2 reductions)
200 (8 reductions)
220 (4 reductions)
250 (4 reductions)
280 (2 reductions)
300 (2 reductions)
350 (1 reductions)
500 (5 reductions)
A Class (1506 reductions)
A Class Saloon (79 reductions)
Actros (1 reductions)
Amg (27 reductions)
Amg Gt (3 reductions)
Amg Gt 4 Door (1 reductions)
Atego (1 reductions)
B Class (214 reductions)
C Class (1082 reductions)
C Class Cabriolet (16 reductions)
C Class Coupe (44 reductions)
C Class Estate (49 reductions)
Citan (80 reductions)
Cl (15 reductions)
Cla (128 reductions)
Cla Class (442 reductions)
Cla Shooting Brake (54 reductions)
Clc (9 reductions)
Cle (3 reductions)
Clk (42 reductions)
Cls (85 reductions)
E Class (720 reductions)
E Class Cabriolet (11 reductions)
E Class Coupe (20 reductions)
E Class Estate (18 reductions)
E Vito (7 reductions)
Eqa (33 reductions)
Eqb (12 reductions)
Eqc (144 reductions)
Eqe (6 reductions)
Eqs (2 reductions)
G Class (59 reductions)
Gl Class (24 reductions)
Gla (131 reductions)
Gla Class (319 reductions)
Glb (47 reductions)
Glc (490 reductions)
Glc Coupe (22 reductions)
Gle (255 reductions)
Gle Coupe (16 reductions)
Gls (7 reductions)
Gls Class (1 reductions)
Gt (29 reductions)
M Class (45 reductions)
Ml Class (1 reductions)
R Class (7 reductions)
S Class (148 reductions)
Sec Class (2 reductions)
Sl Class (155 reductions)
Slc (45 reductions)
Slk (167 reductions)
Sls (4 reductions)
Sprinter (541 reductions)
Unassigned (1 reductions)
V Class (66 reductions)
V Class Marco Polo (3 reductions)
Viano (13 reductions)
Vito (212 reductions)
X Class (58 reductions)

Cheap Mercedes Benz Slk cars under £20,000

161 Mercedes Benz Slk cars under £20,000 - 64 reductions

Recently reduced (64)

£18,990 Was £19,490 Save £500

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

£18,950 Was £19,950 Save £1,000

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

£12,250 Was £12,750 Save £500

Mercedes Benz SLK 1.8 SLK200 AMG Sport Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (184 ps)

£10,990 Was £12,990 Save £2,000

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

£10,695 Was £10,995 Save £300

Mercedes Benz SLK 2.1 SLK250 CDi AMG Sport Convertible 2 Door Diesel G Tronic+ Euro 5 (s/s) (204 ps)

£10,695 Was £10,995 Save £300

Mercedes Benz SLK SLK200 BLUEEFFICIENCY AMG SPORT 2 Door

£10,090 Was £11,290 Save £1,200

Mercedes Benz SLK SLK 250d 2dr Tip Auto

£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

£9,995 Was £10,495 Save £500

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

£9,995 Was £10,995 Save £1,000

Mercedes Benz SLK 2.1 SLK250 CDI BLUEEFFICIENCY 2d 204 BHP

161 cars under £20,000

£18,990 Was £19,490 Save £500

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

£18,950 Was £19,950 Save £1,000

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

£18,749

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

£16,581

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

£15,490

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

£15,000

Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2d 5439cc 7G Tronic

£14,000

Mercedes Benz SLK 5.4 SLK55 AMG 2d AUTO 356 BHP

£13,999

Mercedes Benz SLK Mercedes Benz SLK 320 Auto Convertible

£13,995

Mercedes Benz SLK AMG SPORT 1.8 Auto

£13,489

Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)

We currently have 161 Mercedes Benz Slk cars available across the UK priced under £20000.

£18,990
Was £19,490 Save £500

£18,950
Was £19,950 Save £1,000

£12,250
Was £12,750 Save £500

£10,990
Was £12,990 Save £2,000

£10,695
Was £10,995 Save £300

£10,695
Was £10,995 Save £300

£10,090
Was £11,290 Save £1,200

£9,995
Was £11,495 Save £1,500

£9,995
Was £10,495 Save £500

£9,995
Was £10,995 Save £1,000

£18,990
Was £19,490 Save £500

£18,950
Was £19,950 Save £1,000