2012 Mercedes SLK250 • Compare 30 used cars with valuation

Market overview: April-2026 Price Analysis: A used Mercedes SLK250 from 2012 currently costs between £5,250 and £10,495. On average, the mileage for this year stands at 67,844 miles. The depreciation and price trend over the last 12 months is -£340.

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Carwow

2013

(2013) Mercedes SLK250 AMG 204 HP

£8,495

Fair price

You save £105

WN1 3AX Greater Manchester, Manchester

132 g CO2/km comb. - 204 HP (150 kW) - 5.0 Mpg

Carwow

2014

(2014) Mini Cooper S Cabriolet 184 HP

£7,012

Fair price

You save £388

PL75JY Plymouth, Devon

139 g CO2/km comb. - 184 HP (135 kW) - 6.0 Mpg

Carwow

2014

(2014) BMW 328 M Sport 245 HP

£10,100

Fair price

Estimated price £9,957

CM9 4LL Heybridge, Essex

147 g CO2/km comb. - 245 HP (180 kW) - 6.3 Mpg

Carwow

2014

(2014) BMW 318 Sport Line 143 HP

£5,500

Good price

You save £1,500

NR14 6JD Loddon, Norfolk

118 g CO2/km comb. - 143 HP (105 kW) - 4.5 Mpg

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

1 / 4

Used (2012) Mercedes SLK250 204 HP | Good price

SLK CDI BlueEFFICIENCY 2dr Tip

2012
60,000 miles
2.1L Diesel
Cabriolet
Automatic
204 HP (150 kW)
mpg: 56
Details

Good price

£6,444

£6,495

Parkers.co.uk

BB9 6RS Lancashire, Lancashire

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1 / 3

Used (2012) Mercedes SLK250 AMG | Good price

SLK CDI BlueEFFICIENCY AMG Sport

2012
59,000 miles
Trim level: AMG
2.1L Diesel
Cabriolet
Automatic
Details

Good price

£6,990

Motors.co.uk

TN5 7QR Flimwell, East Sussex

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-5%

1 / 4

Used (2012) Mercedes SLK250 AMG | Good price

SLK BlueEFFICIENCY AMG Sport 2dr

2012
89,000 miles
Trim level: AMG
1.8L Petrol
Cabriolet
Automatic
Details

Good price

£5,495

£5,795

Motors.co.uk

NG19 0EQ Forest Town, Nottinghamshire

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-6%

1 / 4

Used (2012) Mercedes SLK250 AMG | Good price

SLKCDI BlueEFFICIENCY AMG Sport

2012
53,000 miles
Trim level: AMG
2.1L Diesel
Cabriolet
Automatic
Details

Good price

£7,495

£7,995

Motors.co.uk

TD11 3UJ Chirnside, Northumberland

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Carwow

2014

(2014) Mini Cooper D Cabriolet 112 HP

£6,999

Fair price

You save £801

SA1 8QB Crymlyn Burrows, West Glamorgan

105 g CO2/km comb. - 112 HP (82 kW) - 4.0 Mpg

Carwow

2014

(2014) VW Scirocco GT 140 HP

£5,495

Fair price

You save £5

CO5 7JH Essex, Essex

118 g CO2/km comb. - 140 HP (102 kW) - 62.0 Mpg

Carwow

2014

(2014) BMW Z4 M Sport 184 HP

£10,795

Fair price

You save £505

DH3 3HE County Durham, Durham

159 g CO2/km comb. - 184 HP (135 kW) - 6.8 Mpg

Carwow

2013

(2013) Mercedes E350 265 HP

£6,990

Fair price

You save £710

WD5 0SA Bedmond, Hertfordshire

157 g CO2/km comb. - 265 HP (194 kW) - 6.1 Mpg

1 / 4

Used (2012) Mercedes SLK250 | Good price

SLK 2.1 CDI BlueEfficiency

2012
52,000 miles
2.1L Diesel
Cabriolet
Automatic
Details

Good price

£6,950

Motors.co.uk

BH8 9QW Bournemouth, Christchurch And Poole, Dorset

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New

1 / 1

Used (2012) Mercedes SLK250 AMG 204 HP | Fair price

SLK CDI BlueEFFICIENCY AMG Sport

2012
43,000 miles
Trim level: AMG
2.1L Diesel
Cabriolet
Automatic
204 HP (150 kW)
mpg: 56
Details

Fair price

£9,499

Parkers.co.uk

PL18 9HW Saint Ann'S Chapel, Cornwall

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1 / 4

Used (2012) Mercedes SLK250 AMG 204 HP | Fair price

SLK CDI BlueEFFICIENCY AMG Sport

2012
75,104 miles
Trim level: AMG
2.1L Diesel
Cabriolet
Automatic
204 HP (150 kW)
mpg: 56
Details

Fair price

£7,695

Parkers.co.uk

KA1 4AT East Ayrshire Council, Ayrshire And Arran

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Used (2012) Mercedes SLK250 204 HP | Fair price

SLK CDI BlueEFFICIENCY 2dr Tip

2012
67,191 miles
2.1L Diesel
Cabriolet
Automatic
204 HP (150 kW)
mpg: 56
Details

Fair price

£7,280

Parkers.co.uk

LE11 1LS Leicestershire, Leicestershire

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-3%

1 / 4

Used (2012) Mercedes SLK250 AMG 204 HP | Fair price

SLK CDI BlueEFFICIENCY AMG Sport

2012
39,000 miles
Trim level: AMG
2.1L Diesel
Cabriolet
Automatic
204 HP (150 kW)
mpg: 56
Details

Fair price

£9,495

£9,795

Parkers.co.uk

BH8 8BE Bournemouth, Christchurch And Poole, Dorset

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-2%

1 / 4

Used (2012) Mercedes SLK250 AMG 204 HP | Fair price

SLK CDI BlueEFFICIENCY AMG Sport

2012
61,000 miles
Trim level: AMG
2.1L Diesel
Cabriolet
Automatic
204 HP (150 kW)
mpg: 56
Details

Fair price

£8,795

£8,995

Parkers.co.uk

BH8 8BE Bournemouth, Christchurch And Poole, Dorset

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Carwow

2013

(2013) Mercedes E350 AMG 252 HP

£7,499

Fair price

Estimated price £7,086

PE134AX, Cambridgeshire

149 g CO2/km comb. - 252 HP (185 kW) - 5.6 Mpg

Carwow

2014

(2014) BMW 428 M Sport 245 HP

£9,995

Fair price

Estimated price £9,940

NE12 9SW Longbenton, Tyne And Wear

156 g CO2/km comb. - 245 HP (180 kW) - 6.6 Mpg

Carwow

2013

(2013) Smart ForTwo Cabrio Edition #1 71 HP

£5,499

Fair price

Estimated price £5,169

LU7 9LS Hockliffe, Bedfordshire

100 g CO2/km comb. - 71 HP (52 kW) - 4.7 Mpg

Carwow

2013

(2013) VW Polo Edition 86 HP

£8,149

Fair price

You save £151

PE134AX, Cambridgeshire

134 g CO2/km comb. - 86 HP (63 kW) - 5.8 Mpg

-13%

1 / 4

Used (2012) Mercedes SLK250 AMG | Fair price

SLK BlueEFFICIENCY AMG Sport 2dr

2012
53,000 miles
Trim level: AMG
1.8L Petrol
Cabriolet
Automatic
mpg: 42
Details

Fair price

£8,449

£9,749

Motors.co.uk

RH7 6LG Blindley Heath, Surrey

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1 / 4

Used (2012) Mercedes SLK250 Sport Edition | Fair price

SLK 1.8 BlueEfficiency AMG Sport

2012
45,555 miles
Trim level: Sport Edition
1.8L Petrol
Cabriolet
Automatic
Details

Fair price

£10,999

Exchange and Mart

Merseyside, Merseyside

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-2%

1 / 4

Used (2012) Mercedes SLK250 AMG 204 HP | Fair price

SLK CDI BlueEFFICIENCY AMG Sport

2012
81,480 miles
Trim level: AMG
2.1L Diesel
Cabriolet
Automatic
204 HP (150 kW)
mpg: 56
Details

Fair price

£6,649

£6,799

Parkers.co.uk

SR5 3JJ Tyne And Wear, Tyne And Wear

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1 / 4

Used (2012) Mercedes SLK250 AMG 204 HP | Fair price

SLK CDI BlueEFFICIENCY AMG Sport

2012
87,235 miles
Trim level: AMG
2.1L Diesel
Cabriolet
Automatic
204 HP (150 kW)
mpg: 56
Details

Fair price

£6,250

Parkers.co.uk

FK5 4AP Falkirk, Stirling And Falkirk

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1 / 1

Used (2012) Mercedes SLK250 AMG 204 HP | Fair price

SLK CDI BlueEFFICIENCY AMG Sport

2012
86,828 miles
Trim level: AMG
2.1L Diesel
Cabriolet
Automatic
204 HP (150 kW)
mpg: 56
Details

Fair price

£6,995

Motors.co.uk

B33 8NN West Midlands, West Midlands

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1 / 4

Used (2012) Mercedes SLK250 AMG | Fair price

SLK 2.1 CDI BlueEfficiency AMG

2012
48,044 miles
Trim level: AMG
2.1L Diesel
Cabriolet
Automatic
mpg: 56
Details

Fair price

£8,995

Motors.co.uk

NN17 5BA North Northamptonshire, Northamptonshire

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1 / 3

Used (2012) Mercedes SLK250 | Fair price

SLK CDI BlueEFFICIENCY 2dr Tip

2012
78,000 miles
2.1L Diesel
Cabriolet
Automatic
Details

Fair price

£6,499

Motors.co.uk

SR4 6DD Sunderland, Tyne And Wear

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1 / 1

Used (2012) Mercedes SLK250 AMG | Fair price

SLK 2.1 CDI BlueEfficiency AMG

2012
65,398 miles
Trim level: AMG
2.1L Diesel
Cabriolet
Automatic
mpg: 56
Details

Fair price

£7,650

Parkers.co.uk

CO10 9BW Tye Green, Suffolk

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1 / 3

Used (2012) Mercedes SLK250 204 HP | Fair price

SLK 2.1 CDI BlueEfficiency

2012
76,000 miles
2.1L Diesel
Cabriolet
Automatic
204 HP (150 kW)
mpg: 56
Details

Fair price

£6,980

Parkers.co.uk

WA12 8BG Merseyside, Merseyside

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1 / 1

Used (2012) Mercedes SLK250 AMG 204 HP | Fair price

SLK CDI BlueEFFICIENCY AMG Sport

2012
70,915 miles
Trim level: AMG
2.1L Diesel
Cabriolet
Automatic
204 HP (150 kW)
mpg: 56
Details

Fair price

£7,995

Motors.co.uk

S9 4WN South Yorkshire, South Yorkshire

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Carwow

2014

(2014) BMW 320 Luxury Line 184 HP

£8,494

Fair price

Estimated price £8,354

OL8 4PQ Greater Manchester, Manchester

133 g CO2/km comb. - 184 HP (135 kW) - 5.1 Mpg

Carwow

2014

(2014) Ford Focus Zetec 125 HP

£6,995

Fair price

Estimated price £6,378

KT14 6EW Surrey, Surrey

146 g CO2/km comb. - 125 HP (91 kW) - 6.3 Mpg

Carwow

2014

(2014) Audi A5 Sportback Black Edition 177 HP

£8,599

Fair price

You save £601

PE134AX, Cambridgeshire

120 g CO2/km comb. - 177 HP (130 kW) - 4.7 Mpg

Carwow

2013

(2013) VW Polo Match 60 HP

£6,200

Fair price

You save £500

SM67FG

128 g CO2/km comb. - 60 HP (44 kW) - 5.5 Mpg

1 / 4

Used (2012) Mercedes SLK250 AMG | Fair price

SLK CDI BlueEFFICIENCY AMG Sport

2012
103,000 miles
Trim level: AMG
2.1L Diesel
Cabriolet
Automatic
Details

Fair price

£5,250

Motors.co.uk

SL6 3SU Berkshire, Berkshire

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-10%

1 / 4

Used (2012) Mercedes SLK250 204 HP | Fair price

SLKCDI BlueEFFICIENCY 2dr Tip

2012
59,512 miles
2.1L Diesel
Cabriolet
Automatic
204 HP (150 kW)
mpg: 56
Details

Fair price

£7,149

£7,995

Motors.co.uk

PE8 5PB Oundle, Northamptonshire

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1 / 4

Used (2012) Mercedes SLK250 AMG | Fair price

SLK 2.1CDI BlueEfficiency AMG

2012
59,000 miles
Trim level: AMG
2.1L Diesel
Cabriolet
Automatic
Details

Fair price

£8,495

Motors.co.uk

EX5 2PY Whimple, Devon

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-11%

1 / 4

Used (2012) Mercedes SLK250 AMG | Fair price

CDI BlueEFFICIENCY AMG Sport 2dr

2012
66,567 miles
Trim level: AMG
2.1L Diesel
Cabriolet
Automatic
Details

Fair price

£7,995

£8,995

Motors.co.uk

IP24 1RL Norfolk, Norfolk

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New

Used (2012) Mercedes SLK250 AMG 204 HP | Fair price

SLK 2.1 CDI BlueEfficiency AMG

2012
77,648 miles
Trim level: AMG
2.1L Diesel
Cabriolet
Automatic
204 HP (150 kW)
mpg: 56
Details

Fair price

£7,046

Exchange and Mart

Hampshire, Hampshire

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Carwow

2014

(2014) Skoda Fabia 105 HP

£7,250

Fair price

Estimated price £7,162

ME15 6HD Kent, Kent

124 g CO2/km comb. - 105 HP (77 kW) - 5.3 Mpg

Carwow

2014

(2014) Mercedes C250 AMG line 204 HP

£7,500

Fair price

Estimated price £6,986

CV5 6GN West Midlands, West Midlands

122 g CO2/km comb. - 204 HP (150 kW) - 60.0 Mpg

Carwow

2014

(2014) Seat Leon SE 105 HP

£6,995

Fair price

You save £305

EN92HU

102 g CO2/km comb. - 105 HP (77 kW) - 3.9 Mpg

Carwow

2013

(2013) VW Tiguan R-line 140 HP

£7,495

Fair price

You save £705

NE12 9SW Newcastle Upon Tyne, Tyne And Wear

150 g CO2/km comb. - 140 HP (102 kW) - 5.8 Mpg

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