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

189 Mercedes Benz Slk cars under £20,000 - 77 reductions

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Recently reduced (77)

Xclusive Xports, Ashendene Farm, Bayford

£13,450
Was £13,950 Save £500

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

Features include passenger, airbags, black, parking sensors, leather, heated seats, heated front seats, sat nav, driver, heated front seat, airbag, bluetooth, radio, pas, petrol, 18in alloy wheels, leather interior, full service history, air conditioning, alloy wheel...eee

Xclusive Xports, Ashendene Farm, Bayford

£13,450
Was £13,750 Save £300

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

Featuring pas, airbag, air conditioning, black, full service history, paddle shift, anti lock braking system, 1 owner, passenger, service history, driver, audio 20, audio, dab radio, leather, abs, leather interior, heated seats, parking sensors, sat nav, cruis...eee

Moss Prestige Ltd, 30 Albert Street, Huddersfield

£12,995
Was £13,995 Save £1,000

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

Comes with convertible, diesel, mot, passenger, pas, sports seats, airbags, air conditioning, climate control, 12 months mot, 17in alloy wheels, cloth, service history, alloy wheels, anti lock braking system, abs, air con, heated windscreen, cruise control, war...eee

SKS Cars Ltd, 1-9 Barton Road, Milton Keynes

£12,495
Was £12,995 Save £500

Mercedes Benz SLK 1.8 SLK200 AMG SPORT EDITION 2d 184 BHP

Featuring outside temperature gauge, central locking, automatic, electrically adjustable and heated door mirrors, airbags, radio, dab digital radio, pas, automatic headlamp activation, spare wheel, front centre armrest, esp, electric windows, immobiliser, driv...eee

MP Motor Company Ltd Brock, Garstang Road, Lancashire

£11,995
Was £12,295 Save £300

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

With heated front seat, hpi clear, navigation system, parking sensors, climate control, automatic, bluetooth, bluetooth connectivity, diesel, leather, automatic transmission, service history, leather seats, cruise control, alloy wheels, black, convertible...eee

Alpino Cars, 568 Wilmslow Road, Manchester

£11,000
Was £12,000 Save £1,000

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

With dual stage driver/passenger airbags, black, climate control, diesel particulate filter, rain sensing wipers, pas, computer, cruise control, automatic climate control, brake assist, leather, passenger, outside temperature gauge, service indicator, blu...eee

Ron Hodgson Specialist Cars, Leeds Street, Wigan

£10,995
Was £11,350 Save £355

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

This model has heated seats, audio, passenger, anti lock braking system, black, alloy wheels, driver, automatic transmission, hill start assist, leather, petrol, 18in alloy wheels, usb, parktronic, automatic, bluetooth, pas, immobiliser, wind deflector, leather int...eee

GK Motors Ltd, 15 Millway, Mansfield Woodhouse

£10,622
Was £10,711 Save £89

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

Comes with air con, bluetooth interface, driver, abs, bluetooth, black, diesel, airbag, air conditioning, anti lock braking system, automatic, service history, full leather, 18in alloy wheels, pas, passenger, alloys, alloy wheels, convertible, mot, audio 20, au...eee

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

£10,495
Was £11,495 Save £1,000

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

Description includes alarm, audio 20, navigation system, cd, electric windows, automatic, bluetooth interface, wind deflector, audio, bluetooth, electronic stability programme, tinted glass, airbags, dab digital radio, anti lock braking system, radio, airbag, immobiliser...eee

Save on used Cars, 44 Normanby Road, Scunthorpe

£10,490
Was £11,290 Save £800

Mercedes Benz SLK SLK 250d 2dr Tip Auto

Features on this model include multi function display, 17in alloy wheels, alarm, automatic headlamp activation, bluetooth interface, mot, leather interior, dab digital radio, head restraints, air conditioning, immobiliser, usb, bluetooth, tinted glass, radio, excellent bodywork, l...eee

189 cars under £20,000

DT Performance Cars, Unit 1A, Atherstone

£19,950

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

This car has speakers, alarm, air bag, adjustable steering column/wheel, black, anti lock brakes, air bag driver, power assisted steering, computer, electric windows (front), alloy wheels, pas, passenger, electronic stability programme, leather, immobiliser, cent...eee

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

£19,490

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

Comes with bluetooth, full service history, air bag, heated seats, exterior lighting, leather, driver, adjustable steering column/wheel, alloy wheels, black, climate control, parktronic, steering wheel mounted controls, alarm, central door locking, electronic s...eee

Performance Paddock, Unit 27 Laker Road, Rochester

£17,970

Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS+7GT Euro 5 (s/s) (421 ps)

Features include service history, parktronic, driver, leather, heated seats, alloy wheels, leather interior, rain sensing wipers, alloys, warranty, automatic, hpi clear, black, 18in alloy wheels, ambient lighting...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)

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

Snippersgate, Easington Lane, Houghton-Le-Spring

£15,000

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

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

Snippersgate, Easington Lane, Houghton-Le-Spring

£14,000

Mercedes Benz SLK 5.4 SLK55 AMG 2d AUTO 356 BHP

This model has air bag passenger, computer, leather, anti lock brakes, air bag driver, electronic stability programme, driver, electric windows, cruise control, immobiliser, central door locking, passenger, spare wheel, electric windows (front), steering wheel leat...eee

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

£13,999

Mercedes Benz SLK Mercedes Benz SLK 320 Auto Convertible

This model has air conditioning, anti lock brakes, 1 owner, computer, power assisted steering, electric windows (front), adjustable steering column, service history, cruise control, air bag, adjustable steering column/wheel, electric windows, head restraints, low m...eee

I & K Motors Ltd, Blackhall Industrial Estate, Inverurie

£13,999

Mercedes Benz SLK 2.1 SLK 250 D AMG SPORT 2d 201 BHP

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

Xclusive Xports, Ashendene Farm, Bayford

£13,450
Was £13,750 Save £300

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

Includes air con, dab radio, black, cruise control, sat nav, alarm, alloy wheels, audio 20, full service history, bluetooth, paddle shift, heated seats, service history, parking sensors, airbags, airbag, 18in alloy wheels, abs, leather interior, air condition...eee

Xclusive Xports, Ashendene Farm, Bayford

£13,450
Was £13,950 Save £500

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

With bluetooth, air conditioning, paddle shift, black, service history, heated seats, dab radio, full service history, anti lock braking system, airbags, leather, parking sensors, cruise control, airbag, abs, driver, leather interior, alloy wheels, passen...eee

We currently have 189 Mercedes Benz Slk cars available across the UK priced under £20000.

Mercedes Benz Slk budget

Mercedes Benz reduced

170 (1 reductions)
180 (21 reductions)
190 (5 reductions)
200 (5 reductions)
220 (7 reductions)
250 (3 reductions)
280 (3 reductions)
300 (2 reductions)
350 (2 reductions)
500 (5 reductions)
A Class (1899 reductions)
A Class Saloon (115 reductions)
Actros (1 reductions)
Amg (30 reductions)
Amg Gt (1 reductions)
Atego (2 reductions)
B Class (220 reductions)
C Class (1288 reductions)
C Class Cabriolet (40 reductions)
C Class Coupe (60 reductions)
C Class Estate (65 reductions)
Citan (75 reductions)
Cl (18 reductions)
Cla (196 reductions)
Cla Class (422 reductions)
Cla Shooting Brake (65 reductions)
Clc (16 reductions)
Cle (4 reductions)
Clk (42 reductions)
Cls (104 reductions)
E Class (783 reductions)
E Class Cabriolet (33 reductions)
E Class Coupe (36 reductions)
E Class Estate (17 reductions)
E Vito (3 reductions)
Eqa (28 reductions)
Eqb (17 reductions)
Eqc (82 reductions)
Eqe (3 reductions)
Eqs (4 reductions)
G Class (59 reductions)
G Series (1 reductions)
Gl Class (22 reductions)
Gla (377 reductions)
Gla Class (333 reductions)
Glb (154 reductions)
Glc (575 reductions)
Glc Coupe (72 reductions)
Gle (319 reductions)
Gle Coupe (18 reductions)
Gls (5 reductions)
Gls Class (1 reductions)
Gt (23 reductions)
M Class (52 reductions)
Ml Class (2 reductions)
Other (1 reductions)
R Class (3 reductions)
S Class (148 reductions)
S Class Coupe (1 reductions)
Sec Class (2 reductions)
Sl Class (147 reductions)
Slc (47 reductions)
Slk (195 reductions)
Sls (2 reductions)
Sprinter (627 reductions)
Unassigned (2 reductions)
V Class (59 reductions)
V Class Marco Polo (3 reductions)
Viano (10 reductions)
Vito (223 reductions)
X Class (69 reductions)

Cheap Mercedes Benz Slk cars under £20,000

189 Mercedes Benz Slk cars under £20,000 - 77 reductions

Recently reduced (77)

£13,450 Was £13,950 Save £500

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

£13,450 Was £13,750 Save £300

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

£12,995 Was £13,995 Save £1,000

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

£12,495 Was £12,995 Save £500

Mercedes Benz SLK 1.8 SLK200 AMG SPORT EDITION 2d 184 BHP

£11,995 Was £12,295 Save £300

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

£11,000 Was £12,000 Save £1,000

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

£10,995 Was £11,350 Save £355

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

£10,622 Was £10,711 Save £89

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

£10,495 Was £11,495 Save £1,000

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

£10,490 Was £11,290 Save £800

Mercedes Benz SLK SLK 250d 2dr Tip Auto

189 cars under £20,000

£19,950

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

£19,490

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

£17,970

Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS+7GT Euro 5 (s/s) (421 ps)

£16,581

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

£15,000

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

£13,999

Mercedes Benz SLK 2.1 SLK 250 D AMG SPORT 2d 201 BHP

£13,450 Was £13,750 Save £300

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

£13,450 Was £13,950 Save £500

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

We currently have 189 Mercedes Benz Slk cars available across the UK priced under £20000.

£13,450
Was £13,950 Save £500

£13,450
Was £13,750 Save £300

£12,995
Was £13,995 Save £1,000

£12,495
Was £12,995 Save £500

£11,995
Was £12,295 Save £300

£11,000
Was £12,000 Save £1,000

£10,995
Was £11,350 Save £355

£10,622
Was £10,711 Save £89

£10,495
Was £11,495 Save £1,000

£10,490
Was £11,290 Save £800

£13,450
Was £13,750 Save £300

£13,450
Was £13,950 Save £500