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

462 Mercedes Benz Slk cars under £20,000 - 45 reductions

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Recently reduced (45)

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 *

Comes with cd, auto lights, leather upholstery, audio 20, sports suspension, air conditioning, daytime running lights, computer, satellite navigation, mot, usb, panoramic glass roof, dab radio, radio, stereo, alloy wheels, heated seats, paddle shift, black, air...eee

Troon Cars LTD, 33 Wenlock Way, Leicester

£12,300
Was £12,500 Save £200

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

Features on this model include automatic, bluetooth interface, alloy wheels, cruise control, mot, automatic gearbox, climate control, black, tinted glass, finance available, heated front seats, dab radio, air con, hpi clear, parking sensors, navigation system, locking wheel bolts,...eee

Prestige Car Supermarket, A19 Crockey Hill, York

£11,639
Was £11,999 Save £360

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

Features on this model include bluetooth connectivity, cup holder, cup holders, convertible, bluetooth, tinted glass, electric windows, locking wheel bolts, leather, leather upholstery, 18in alloy wheels, alloy wheels, diesel, heated windscreen...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

This car has remote central locking, locking wheel bolts, pas, rain sensing wipers, automatic, cruise control, hill start assist, multi function steering wheel, diesel particulate filter, alarm system/interior protection/immobiliser, central locking, abs with bra...eee

Tower Hill Garage Limited, Cove Road Farnborough, Farnborough

£10,500
Was £11,000 Save £500

Mercedes Benz SLK 1.8 SLK200 AMG Sport

Features on this model include abs, multiple airbags, electric folding door mirrors, air con, finance available, satellite navigation, black, climate control, parking sensors, alloy wheels, cruise control with speed limiter, leather, daytime running lights, air conditioning, usb, ...eee

Cars of Chichester, A27 Chichester Bypass, Chichester

£10,495
Was £10,995 Save £500

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

With folding mirrors, cd player, black, full service history, electric folding mirrors, sport seats, power folding mirrors, power steering, front fog lamps, remote central locking, air conditioning, sat nav, audio, electric mirrors, satellite navigation, ...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

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

Mark Hopkins Car Sales, 451 Fair Oak Road, Eastleigh

£9,995
Was £10,995 Save £1,000

Mercedes Benz SLK 1.8 SLK200 KOMPRESSOR 2d 184 BHP

With passenger, audio, esp, bluetooth, leather, folding mirrors, bluetooth system, cd, driver, pas, speakers, automatic, leather steering wheel, auto climate control, leather upholstery, centre console storage, climate control, audio 20, air conditioning,...eee

Troon Cars LTD, 33 Wenlock Way, Leicester

£9,950
Was £10,250 Save £300

Mercedes Benz SLK 2.1 SLK 250 D 2d 201 BHP

Comes with third brake light, bluetooth, dab digital radio, heated seats, usb, locking wheel bolts, tinted glass, finance available, audio, 17in alloy wheels, part exchange welcome, power assisted steering, automatic gearbox, air con, wind deflector, multi func...eee

Priory Car Sales, 66 Liverpool Road, Preston

£9,895
Was £10,195 Save £300

Mercedes Benz SLK 1.8 SLK250 BLUEEFFICIENCY AMG SPORT 2DR Automatic

Features on this model include tinted glass, alloy wheels, automatic headlamp activation, head restraints, usb, immobiliser, navigation system, 18in alloy wheels, service history, sports suspension, alarm, air conditioning, cruise control, convertible, automatic, radio, mot, elect...eee

462 cars under £20,000

Oakwood (North East) Ltd, , North East

£19,995

Mercedes Benz SLK SLK 280 2dr Tip Auto

With dual stage driver/passenger airbags, green tinted glass, chrome exhaust tailpipe, abs with brake assist, cruise control + speed limiter, speed limiter, 2 keys, pas, electrically adjustable and heated door mirrors, driver, fog lights, airbags, locking...eee

DT Performance Cars, Unit 1A, Atherstone

£19,950

Mercedes Benz SLK 5.4 SLK55 AMG 2d 356 BHP

Description includes climate control, electric windows, adjustable steering column/wheel, air bag driver, steering wheel mounted controls, electric windows (front), alloy wheels, central door locking, electronic stability programme, leather, pas, speakers, passenger, imm...eee

Chelmsford, , South East

£19,948

Mercedes Benz SLK SLK 55 2dr Tip Auto

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

Cavendish UK Car Sales ltd, , East Midlands

£17,995

Mercedes Benz SLK

Featuring bluetooth system, leather, black, full service history, mot, warranty, wind deflector, 12 months mot, low mileage, auto climate control, excellent bodywork, speakers, hpi clear, parktronic, service history, alloy wheels, climate control, bluetooth, s...eee

Redgate Lodge, , North East

£17,000

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

With alarm, audio 20, speed limiter, navigation system, radio, cruise control, abs, brake assist, audio, alloy wheels, driver, bluetooth interface, air conditioning, pas, bluetooth, passenger, air con, airbag, automatic, airbags, anti lock braking system,...eee

Mark Hopkins Car Sales, , South East

£16,995

Mercedes Benz SLK SLK 250 AMG Sport 2dr Tip Auto

Comes with fsh, abs, radio cd, anti lock braking system, alloys, leather, led daytime running lights, cd, alarm, leather upholstery, audio, parktronic, dab radio, bluetooth interface, usb, automatic, bluetooth, 18in alloy wheels, radio, low mileage, passenger, ...eee

Mark Hopkins Car Sales, 451 Fair Oak Road, Eastleigh

£16,995

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

Featuring fsh, 18in alloy wheels, anti lock braking system, radio cd, climate control, radio, cruise control, automatic, parktronic, passenger, paddle shift, leather, immobiliser, abs, air con, tinted glass, air conditioning, pas, driver, alloy wheels, hill st...eee

Northover Cars, , South East

£16,990

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

With pas, steering wheel rake adjustment, front electric windows, power assisted steering, solid paint, manual, air conditioning, airbag, audio remote control, head restraints, alloy wheels, passenger, floor mats, usb, front side airbags, paddle shift, ce...eee

Leslie Cars, , South East

£15,999

Mercedes Benz SLK

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

Appleyard Cars Ltd, , North East

£15,995

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

With stereo, leather steering wheel, bluetooth, paddle shift, black, rear parking sensors, wind deflector, panoramic glass sunroof, alarm, electric door mirrors, cup holder, traction control, rear parking sensor, tyre pressure monitoring system, air bag, ...eee

We currently have 462 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 (21 reductions)
200 (13 reductions)
220 (20 reductions)
230 (4 reductions)
250 (6 reductions)
260 (2 reductions)
280 (10 reductions)
300 (5 reductions)
320 (3 reductions)
350 (2 reductions)
450 (1 reductions)
500 (3 reductions)
A Class (2459 reductions)
A Class Saloon (50 reductions)
Amg (54 reductions)
Amg Gt (2 reductions)
Atego (5 reductions)
B Class (391 reductions)
Bmct 690 (1 reductions)
C Class (2664 reductions)
C Class Cabriolet (8 reductions)
C Class Coupe (24 reductions)
C Class Estate (17 reductions)
Ce Class (2 reductions)
Citan (120 reductions)
Cl (42 reductions)
Cla (99 reductions)
Cla Class (624 reductions)
Cla Shooting Brake (19 reductions)
Clc (32 reductions)
Cle (1 reductions)
Clk (95 reductions)
Cls (221 reductions)
Cls Shooting Brake (1 reductions)
E Class (1708 reductions)
E Class Cabriolet (6 reductions)
E Class Coupe (13 reductions)
E Class Estate (8 reductions)
E Sprinter (1 reductions)
E Vito (2 reductions)
Eqa (16 reductions)
Eqb (8 reductions)
Eqc (71 reductions)
Eqe (4 reductions)
Eqs (5 reductions)
Eqv (1 reductions)
G Class (99 reductions)
G Series (1 reductions)
Gl Class (151 reductions)
Gla (123 reductions)
Gla Class (504 reductions)
Glb (30 reductions)
Glc (552 reductions)
Glc Coupe (17 reductions)
Gle (296 reductions)
Gle Coupe (5 reductions)
Glk Class (3 reductions)
Gls (4 reductions)
Gls Class (3 reductions)
Gt (45 reductions)
M Class (169 reductions)
Ml Class (6 reductions)
Other (1 reductions)
R Class (16 reductions)
S Class (296 reductions)
Sec Class (3 reductions)
Sl Class (303 reductions)
Slc (71 reductions)
Slk (469 reductions)
Slr Mclaren (1 reductions)
Sls (7 reductions)
Sprinter (843 reductions)
Unassigned (1 reductions)
V Class (130 reductions)
V Class Marco Polo (3 reductions)
Vaneo (4 reductions)
Viano (22 reductions)
Vito (228 reductions)
X Class (58 reductions)

Cheap Mercedes Benz Slk cars under £20,000

462 Mercedes Benz Slk cars under £20,000 - 45 reductions

Recently reduced (45)

£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 *

£12,300 Was £12,500 Save £200

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

£11,639 Was £11,999 Save £360

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

£10,500 Was £11,000 Save £500

Mercedes Benz SLK 1.8 SLK200 AMG Sport

£10,495 Was £10,995 Save £500

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 £10,995 Save £1,000

Mercedes Benz SLK 1.8 SLK200 KOMPRESSOR 2d 184 BHP

£9,950 Was £10,250 Save £300

Mercedes Benz SLK 2.1 SLK 250 D 2d 201 BHP

£9,895 Was £10,195 Save £300

Mercedes Benz SLK 1.8 SLK250 BLUEEFFICIENCY AMG SPORT 2DR Automatic

462 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

£16,995

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

£16,990

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

£15,999

Mercedes Benz SLK

£15,995

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

We currently have 462 Mercedes Benz Slk cars available across the UK priced under £20000.

£13,450
Was £13,695 Save £245

£12,300
Was £12,500 Save £200

£11,639
Was £11,999 Save £360

£11,500
Was £12,000 Save £500

£10,500
Was £11,000 Save £500

£10,495
Was £10,995 Save £500

£9,999
Was £10,998 Save £999

£9,995
Was £10,995 Save £1,000

£9,950
Was £10,250 Save £300

£9,895
Was £10,195 Save £300