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

441 Mercedes Benz Slk cars under £20,000 - 52 reductions

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Recently reduced (52)

The Lanmere Motor Company, Viewings by appointment only 8a Whitehall Road C, Colchester

£13,450
Was £13,695 Save £245

Mercedes Benz SLK SLK 250 CDI AMG Sport Roadster 7G Automatic * TWO TONE QUILTED LEATHER + AIR SCARF + PAN ROOF *

This car has stereo, audio 20, cruise control, mot, dab radio, leather steering wheel, alloy wheels, daytime running lights, led daytime running lights, usb, panoramic glass roof, computer, automatic, cd, air con, radio, audio, leather, black, automatic gearbox, ...eee

Troon Cars LTD, 33 Wenlock Way, Leicester

£12,450
Was £12,500 Save £50

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

This model has electric windows, cd, leather, finance available, dab radio, automatic, climate control, leather interior, cruise control, bluetooth, audio, wind deflector, tinted glass, air conditioning, black, 18in alloy wheels, parktronic, rear parking sensors, h...eee

Prestige Car Supermarket, A19 Crockey Hill, York

£11,999
Was £12,719 Save £720

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

This car has locking wheel bolts, leather upholstery, leather, diesel, electric windows, convertible, 18in alloy wheels, cup holders, heated windscreen, cup holder, bluetooth connectivity, alloy wheels, tinted glass, bluetooth...eee

Alpino Cars, 568 Wilmslow Road, Manchester

£11,500
Was £12,000 Save £500

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

Comes with airbag, driver, abs, leather, central locking, immobiliser, voice control, locking wheel bolts, rain sensing wipers, trip computer, black, multi function steering wheel, diesel, alarm, service indicator, diesel particulate filter, brake assist, abs w...eee

Troon Cars LTD, 33 Wenlock Way, Leicester

£11,450
Was £11,800 Save £350

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

Description includes electric windows, power assisted steering, cd, bluetooth, tinted glass, 2 keys, leather interior, navigation system, air conditioning, radio, automatic, dab radio, wind deflector, climate control, automatic headlamp activation, audio, daytime running...eee

Warrington Jag Centre, Platt Street, Wigan

£10,750
Was £11,750 Save £1,000

Mercedes Benz SLK 2.1 SLK250 CDI BlueEfficiency AMG Sport G Tronic+ Euro 5 (s/s)

Features include 3 months warranty, 12 months mot, mot, cd, black, alloy wheels, warranty, service history, automatic...eee

Tower Hill Garage Limited, Cove Road Farnborough, Farnborough

£10,500
Was £11,000 Save £500

Mercedes Benz SLK 1.8 SLK200 AMG Sport

Description includes auto lights, multiple airbags, colour coded bumpers, rear parking sensor, voice control, heated front seat, air con, heated front seats, sports seats, speed limiter, finance available, electric folding door mirrors, cruise control with speed limiter,...eee

Cars of Chichester, A27 Chichester Bypass, Chichester

£10,250
Was £10,995 Save £745

Mercedes Benz SLK SLK250 BLUEEFFICIENCY petrol automatic ULEZ just 49,000m FSH

This car has cd, automatic gearbox, radio, multiple airbags, power steering, 2 keys, speed limiter, audio, satellite navigation, leather, automatic, cruise control with speed limiter, bluetooth, spare wheel, sat nav, electric folding mirrors, air con, central loc...eee

Vehicle Trade Centre Kilmarnock, 113 Campbell Street, East Ayrshire

£9,999
Was £10,998 Save £999

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

Options include sat nav, sports seats, rear privacy glass, cd player, bluetooth, electric windows, usb, automatic, air con, alloy wheels, privacy glass, parking sensors, radio, cd, audio, climate control, usb connection, remote locking, front sports seats, bluetooth...eee

Swale Car Shop, St Michaels Road, Sittingbourne

£9,995
Was £10,495 Save £500

Mercedes Benz SLK SLK250 AMG SPORT CDI BLUE

Options include warranty, mot...eee

441 cars under £20,000

Oakwood (North East) Ltd, , North East

£19,995

Mercedes Benz SLK SLK 280 2dr Tip Auto

Options include head restraints, locking wheel bolts, body coloured bumpers, front head restraints, chrome exhaust tailpipe, pas, fog lights, immobiliser, abs, speed limiter, cruise control + speed limiter, low mileage, airbags, brake assist, automatic, alarm system...eee

DT Performance Cars, Unit 1A, Atherstone

£19,950

Mercedes Benz SLK 5.4 SLK55 AMG 2d 356 BHP

With driver, adjustable steering column, pas, air bag passenger, adjustable steering column/wheel, central door locking, leather, immobiliser, electric windows (front), steering wheel mounted controls, anti lock brakes, spare wheel, power assisted steerin...eee

Chelmsford, , South East

£19,948

Mercedes Benz SLK SLK 55 2dr Tip Auto

Options include folding mirrors, black, service history, 4x4, climate control, dab radio, park distance control, alloys, bluetooth, 2 owners, esp, radio, aluminium trim, sat nav, full service history...eee

Cavendish UK Car Sales ltd, , East Midlands

£17,995

Mercedes Benz SLK

Features on this model include low mileage, wind deflector, bluetooth system, mot, warranty, 12 months mot, excellent bodywork, parktronic, sports suspension, speakers, service history, black, hpi clear, alloy wheels, full service history, auto climate control, leather, bluetooth,...eee

Redgate Lodge, , North East

£17,000

Mercedes Benz SLK SLK 200 [2.0] AMG Sport 2dr Tip Auto

With audio 20, bluetooth interface, abs, cruise control, audio, speed limiter, anti lock braking system, radio, dab digital radio, daytime running lights, alloy wheels, bluetooth, pas, air con, air conditioning, brake assist, airbags, automatic, navigatio...eee

Mark Hopkins Car Sales, , South East

£16,995

Mercedes Benz SLK SLK 250 AMG Sport 2dr Tip Auto

Description includes bluetooth interface, parktronic, cd, leather, alloys, daytime running lights, alloy wheels, air con, usb, leather upholstery, anti lock braking system, air conditioning, dab radio, audio, fsh, automatic, immobiliser, pas, radio, airbag, alarm, paddle...eee

Northover Cars, , South East

£16,990

Mercedes Benz SLK SLK 250d AMG Sport 2dr Tip Auto

Features include solid paint, height adjustable drivers seat, audio remote control, audio, sports seats, pas, air con, leather, centre console, sport suspension, computer, tyre repair kit, heated door mirrors, speed limiter, locking wheel nuts, passenger airbag, fron...eee

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

£16,495

Mercedes Benz SLK 2.0 SLK 300 AMG SPORT 2d 241 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

Leslie Cars, , South East

£15,999

Mercedes Benz SLK

Includes spare wheel, automatic, alloy wheels, leather seats, warranty, space saver spare wheel, mot, panoramic roof, service history, sat nav, leather, radio, dab radio, convertible, part exchange welcome, cruise control, 2 keys...eee

Appleyard Cars Ltd, , North East

£15,995

Mercedes Benz SLK SLK 250 CDI BlueEFFICIENCY AMG Sport 2dr Tip Auto

Comes with air con, daytime running lights, warranty, panoramic glass sunroof, remote locking, electric door mirrors, air conditioning, air bag, heated front seat, cup holder, computer, part exchange welcome, sunroof, rear parking sensors, black, leather steeri...eee

We currently have 441 Mercedes Benz Slk cars available across the UK priced under £20000.

Mercedes Benz Slk budget

Mercedes Benz reduced

170 (1 reductions)
180 (4 reductions)
190 (20 reductions)
200 (12 reductions)
220 (15 reductions)
230 (4 reductions)
250 (9 reductions)
260 (2 reductions)
280 (10 reductions)
300 (4 reductions)
320 (3 reductions)
350 (2 reductions)
450 (1 reductions)
500 (3 reductions)
A Class (2480 reductions)
A Class Saloon (56 reductions)
Amg (51 reductions)
Amg Gt (1 reductions)
Atego (5 reductions)
B Class (387 reductions)
Bmct 690 (1 reductions)
C Class (2626 reductions)
C Class Cabriolet (9 reductions)
C Class Coupe (22 reductions)
C Class Estate (20 reductions)
Ce Class (2 reductions)
Citan (122 reductions)
Cl (42 reductions)
Cla (90 reductions)
Cla Class (609 reductions)
Cla Shooting Brake (15 reductions)
Clc (34 reductions)
Clk (100 reductions)
Cls (222 reductions)
Cls Shooting Brake (1 reductions)
E Class (1683 reductions)
E Class Cabriolet (4 reductions)
E Class Coupe (9 reductions)
E Class Estate (13 reductions)
E Vito (3 reductions)
Eqa (12 reductions)
Eqb (6 reductions)
Eqc (80 reductions)
Eqe (5 reductions)
Eqs (5 reductions)
Eqv (1 reductions)
G Class (106 reductions)
G Series (1 reductions)
Gl Class (153 reductions)
Gla (97 reductions)
Gla Class (496 reductions)
Glb (28 reductions)
Glc (556 reductions)
Glc Coupe (17 reductions)
Gle (284 reductions)
Gle Coupe (3 reductions)
Glk Class (3 reductions)
Gls (6 reductions)
Gls Class (3 reductions)
Gt (48 reductions)
M Class (171 reductions)
Ml Class (4 reductions)
Other (1 reductions)
R Class (17 reductions)
S Class (303 reductions)
Sec Class (3 reductions)
Sl Class (302 reductions)
Slc (74 reductions)
Slk (448 reductions)
Slr Mclaren (1 reductions)
Sls (7 reductions)
Sprinter (852 reductions)
Unassigned (1 reductions)
V Class (127 reductions)
V Class Marco Polo (3 reductions)
Vaneo (4 reductions)
Viano (20 reductions)
Vito (236 reductions)
X Class (57 reductions)

Cheap Mercedes Benz Slk cars under £20,000

441 Mercedes Benz Slk cars under £20,000 - 52 reductions

Recently reduced (52)

£13,450 Was £13,695 Save £245

Mercedes Benz SLK SLK 250 CDI AMG Sport Roadster 7G Automatic * TWO TONE QUILTED LEATHER + AIR SCARF + PAN ROOF *

£12,450 Was £12,500 Save £50

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

£11,999 Was £12,719 Save £720

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

£11,500 Was £12,000 Save £500

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

£11,450 Was £11,800 Save £350

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

£10,750 Was £11,750 Save £1,000

Mercedes Benz SLK 2.1 SLK250 CDI BlueEfficiency AMG Sport G Tronic+ Euro 5 (s/s)

£10,500 Was £11,000 Save £500

Mercedes Benz SLK 1.8 SLK200 AMG Sport

£10,250 Was £10,995 Save £745

Mercedes Benz SLK SLK250 BLUEEFFICIENCY petrol automatic ULEZ just 49,000m FSH

£9,999 Was £10,998 Save £999

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

£9,995 Was £10,495 Save £500

Mercedes Benz SLK SLK250 AMG SPORT CDI BLUE

441 cars under £20,000

£19,995

Mercedes Benz SLK SLK 280 2dr Tip Auto

£19,950

Mercedes Benz SLK 5.4 SLK55 AMG 2d 356 BHP

£19,948

Mercedes Benz SLK SLK 55 2dr Tip Auto

£17,995

Mercedes Benz SLK

£17,000

Mercedes Benz SLK SLK 200 [2.0] AMG Sport 2dr Tip Auto

£16,995

Mercedes Benz SLK SLK 250 AMG Sport 2dr Tip Auto

£16,990

Mercedes Benz SLK SLK 250d AMG Sport 2dr Tip Auto

£16,495

Mercedes Benz SLK 2.0 SLK 300 AMG SPORT 2d 241 BHP

£15,999

Mercedes Benz SLK

£15,995

Mercedes Benz SLK SLK 250 CDI BlueEFFICIENCY AMG Sport 2dr Tip Auto

We currently have 441 Mercedes Benz Slk cars available across the UK priced under £20000.

£13,450
Was £13,695 Save £245

£12,450
Was £12,500 Save £50

£11,999
Was £12,719 Save £720

£11,500
Was £12,000 Save £500

£11,450
Was £11,800 Save £350

£10,750
Was £11,750 Save £1,000

£10,500
Was £11,000 Save £500

£10,250
Was £10,995 Save £745

£9,999
Was £10,998 Save £999

£9,995
Was £10,495 Save £500