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

193 Mercedes Benz Slk cars under £20,000 - 76 reductions

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Recently reduced (76)

Moss Prestige Ltd, 30 Albert Street, Huddersfield

£13,495
Was £13,995 Save £500

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

Features on this model include 12 months mot, climate control, diesel, anti lock braking system, 18in alloy wheels, airbags, 17in alloy wheels, alloy wheels, bluetooth, cloth, navigation system, mot, pas, cruise control, warranty, passenger, audio, service history, heated windscre...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

Comes with electric windows, electrically adjustable and heated door mirrors, tinted glass, alarm system/interior protection/immobiliser, chrome exhaust tailpipe, head restraints, spare wheel, active head restraints, locking wheel bolts, abs with brake assist, ...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

Description includes bluetooth interface, bluetooth, central locking, climate control, driver, black, satellite navigation, airbags, abs with brake assist, locking wheel bolts, hill start assist, service indicator, cruise control, pas, outside temperature gauge, passenge...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)

Featuring alloy wheels, audio, immobiliser, hill start assist, driver, black, pas, leather, parktronic, anti lock braking system, automatic transmission, convertible, 18in alloy wheels, heated seats, wind deflector, petrol, leather interior, passenger, bluetoo...eee

Standish Bradley Lane, Unit 36A , Wigan

£10,695
Was £10,995 Save £300

Mercedes Benz SLK 2.1 SLK250 CDI BLUEEFFICIENCY 2d 204 BHP

Includes navigation system, third brake light, wind deflector, audio, daytime running lights, power assisted steering, warranty, 2 keys, automatic, tinted glass, usb, multi function display, locking wheel bolts, abs, mot, bluetooth, cd, radio, electric window...eee

Kallenhard Engineering Ltd, Unit 5, Oakwood Enterprise park, Leighton Buzzard

£10,525
Was £10,650 Save £125

Mercedes Benz SLK 1.8 SLK250 BlueEfficiency Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (204 ps)

Featuring anti lock braking system, black, radio, climate control, usb, leather, automatic headlights, paddle shift, 17in alloy wheels, heated front seat, automatic, alloy wheels, heated front seats, bluetooth, dab radio, cruise control, petrol, rain sensing w...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

Features include bluetooth, dab digital radio, usb, alarm, immobiliser, speakers, brake assist, passenger, tinted glass, airbags, audio, spare wheel, bluetooth interface, airbag, cd, esp, central locking, alloy wheels, navigation system, radio, abs, audio 20, locking...eee

Save on used Cars, 44 Normanby Road, Scunthorpe

£10,490
Was £11,290 Save £800

Mercedes Benz SLK SLK 250d 2dr Tip Auto

Includes remote boot release, air conditioning, cd, speakers, usb port, tyre pressure monitoring system, alloy wheels, mot, bluetooth, esp, multi function display, leather interior, cruise control, alarm, head restraints, bluetooth interface, dab digital radi...eee

Birchwood Motor Centre Ltd, Upper Rainham Road, Hornchurch

£9,995
Was £11,995 Save £2,000

Mercedes Benz SLK 2.0 SLK 200 AMG SPORT 2d 181 BHP, FULL SERVICE HISTORY!!

This model has passenger, convertible, anti lock braking system, pas, automatic, airbags, alloy wheels, driver, air conditioning, abs, 18in alloy wheels, alarm, automatic transmission, airbag, air con...eee

Cars of Chichester, A27 Chichester Bypass, Chichester

£9,995
Was £10,495 Save £500

Mercedes Benz SLK SLK200 BLUEEFFICIENCY AMG SPORT just 58,000m

With fog lights, automatic, height adjustable seat, cruise control with speed limiter, front centre armrest, full leather, cd, convertible, rain sensing wipers, airbags, radio, computer, heated door mirrors, adjustable steering column, leather, central lo...eee

193 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 model has spare wheel, alarm, central door locking, speakers, air bag driver, black, pas, adjustable steering column/wheel, alloy wheels, immobiliser, anti lock brakes, air bag passenger, electric windows (front), driver, air bag, electronic stability programm...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 immobiliser, full service history, heated seats, headlamp wash, air bag, electronic stability programme, anti lock brakes, service history, steering wheel leather, black, driver, climate control, parktronic, steering wheel mounted controls, bluetooth...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)

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

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

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

£15,995

Mercedes Benz SLK 3.5 SLK350 AMG Sport Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (306 ps)

With 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

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

Snippersgate, Easington Lane, Houghton-Le-Spring

£14,000

Mercedes Benz SLK 5.4 SLK55 AMG 2d AUTO 356 BHP

Features on this model include power assisted steering, speakers, steering wheel mounted controls, air bag, alarm, air bag passenger, air bag driver, passenger, electronic stability programme, alloy wheels, anti lock brakes, leather, adjustable steering column/wheel, central door ...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, electric windows, cruise control, spare wheel, 1 owner, adjustable steering column, service history, air bag, head restraints, speakers, air conditioning, adjustable steering column/wheel, computer, anti lock brakes, electric wi...eee

I & K Motors Ltd, Blackhall Industrial Estate, Inverurie

£13,999

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

Includes 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

£13,950

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

Options include heated front seats, bluetooth, dab radio, black, alloy wheels, radio, parking sensors, abs, 18in alloy wheels, airbags, anti lock braking system, air con, heated front seat, petrol, pas, airbag, driver, cruise control, paddle shift, leather, service ...eee

We currently have 193 Mercedes Benz Slk cars available across the UK priced under £20000.

Mercedes Benz Slk budget

Mercedes Benz reduced

170 (1 reductions)
180 (22 reductions)
190 (5 reductions)
200 (5 reductions)
220 (7 reductions)
250 (2 reductions)
280 (3 reductions)
300 (2 reductions)
350 (2 reductions)
500 (6 reductions)
A Class (1929 reductions)
A Class Saloon (122 reductions)
Actros (1 reductions)
Amg (31 reductions)
Amg Gt (1 reductions)
Atego (2 reductions)
B Class (231 reductions)
C Class (1289 reductions)
C Class Cabriolet (38 reductions)
C Class Coupe (55 reductions)
C Class Estate (61 reductions)
Citan (81 reductions)
Cl (18 reductions)
Cla (194 reductions)
Cla Class (423 reductions)
Cla Shooting Brake (55 reductions)
Clc (14 reductions)
Cle (4 reductions)
Clk (44 reductions)
Cls (101 reductions)
E Class (787 reductions)
E Class Cabriolet (33 reductions)
E Class Coupe (30 reductions)
E Class Estate (16 reductions)
E Vito (4 reductions)
Eqa (31 reductions)
Eqb (21 reductions)
Eqc (76 reductions)
Eqe (7 reductions)
Eqs (6 reductions)
G Class (57 reductions)
G Series (1 reductions)
Gl Class (24 reductions)
Gla (393 reductions)
Gla Class (335 reductions)
Glb (166 reductions)
Glc (582 reductions)
Glc Coupe (67 reductions)
Gle (322 reductions)
Gle Coupe (14 reductions)
Gls (6 reductions)
Gls Class (1 reductions)
Gt (22 reductions)
M Class (58 reductions)
Ml Class (2 reductions)
Other (1 reductions)
R Class (4 reductions)
S Class (149 reductions)
S Class Coupe (1 reductions)
Sec Class (1 reductions)
Sl Class (153 reductions)
Slc (47 reductions)
Slk (199 reductions)
Sls (2 reductions)
Sprinter (634 reductions)
Unassigned (2 reductions)
V Class (56 reductions)
V Class Marco Polo (3 reductions)
Viano (12 reductions)
Vito (221 reductions)
X Class (73 reductions)

Cheap Mercedes Benz Slk cars under £20,000

193 Mercedes Benz Slk cars under £20,000 - 76 reductions

Recently reduced (76)

£13,495 Was £13,995 Save £500

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

£11,000 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)

£10,695 Was £10,995 Save £300

Mercedes Benz SLK 2.1 SLK250 CDI BLUEEFFICIENCY 2d 204 BHP

£10,525 Was £10,650 Save £125

Mercedes Benz SLK 1.8 SLK250 BlueEfficiency Convertible 2dr Petrol 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

£9,995 Was £11,995 Save £2,000

Mercedes Benz SLK 2.0 SLK 200 AMG SPORT 2d 181 BHP, FULL SERVICE HISTORY!!

£9,995 Was £10,495 Save £500

Mercedes Benz SLK SLK200 BLUEEFFICIENCY AMG SPORT just 58,000m

193 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)

£15,995

Mercedes Benz SLK 3.5 SLK350 AMG Sport Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (306 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

£13,999

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

£13,950

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

We currently have 193 Mercedes Benz Slk cars available across the UK priced under £20000.

£13,495
Was £13,995 Save £500

£12,495
Was £12,995 Save £500

£11,000
Was £12,000 Save £1,000

£10,995
Was £11,350 Save £355

£10,695
Was £10,995 Save £300

£10,525
Was £10,650 Save £125

£10,495
Was £11,495 Save £1,000

£10,490
Was £11,290 Save £800

£9,995
Was £11,995 Save £2,000

£9,995
Was £10,495 Save £500