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Mercedes SLK250 (petrol) • 11 cars with Valuation

Market overview: Petrol Mercedes SLK250 (October-2026): There are currently 11 used petrol Mercedes SLK250 cars for sale. Prices range from £6,492 to £10,473, with a median price of £8,245. AutoUncle has identified 0 cars as being offered below market price. The typical selling time for a petrol Mercedes SLK250 is approximately 31 days, and 18.2% of the listings have recently been reduced in price (Source: AutoUncle market data, October-2026).

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Carwow

Used Mercedes SLK250 Sport Edition 204 HP (150 kW) 2011 Black Cabriolet

(2011) Mercedes SLK250 Sport Edition 204 HP

Fair price

Estimated price £8,252

UB9 6LX Harefield, London

153 g CO2/km comb. - 204 HP (150 kW) - 6.6 Mpg

Carwow

Used Mercedes SLK250 Sport Edition 204 HP (150 kW) 2012 Black Cabriolet

(2012) Mercedes SLK250 Sport Edition 204 HP

Fair price

UB9 6LX Harefield, London

153 g CO2/km comb. - 204 HP (150 kW) - 6.6 Mpg

Price checked by AutoUncle

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1 / 4

Used (2012) Mercedes SLK250 Sport Edition 204 HP | Fair price

SLK ROADSTER 2012 AMG Sport

2012
87,800 miles
Trim level: Sport Edition
2.0L Petrol
Cabriolet
Automatic
204 HP (150 kW)
CO2 emissions: 153 g CO2/km comb.
6.6 mpg
Details

Fair price

£7,450

£7,590

UB9 6LX Harefield, London

Availability verified

1 / 4

Used (2011) Mercedes SLK250 Sport Edition 204 HP | Fair price

SLK ROADSTER 2011 AMG Sport

2011
66,000 miles
Trim level: Sport Edition
2.0L Petrol
Cabriolet
Automatic
204 HP (150 kW)
CO2 emissions: 153 g CO2/km comb.
6.6 mpg
Details

Fair price

£8,690

UB9 6LX Harefield, London

Availability verified

-18%

1 / 1

Used (2012) Mercedes SLK250 AMG | Fair price

SLK 1.8 BlueEfficiency AMG Sport

2012
75,430 miles
Trim level: AMG
1.8L Petrol
Cabriolet
Automatic
Details

Fair price

£6,489

£7,989

Dealer

LE2 6UP Leicester, Leicestershire

1 / 1

Used (2012) Mercedes SLK250 AMG 201 HP | Fair price

BlueEFFICIENCY AMG Sport 2d Tip

2012
75,286 miles
Trim level: AMG
1.8L Petrol
Cabriolet
Automatic
201 HP (147 kW)
CO2 emissions: 153 g CO2/km comb.
42 mpg
Details

Fair price

£8,245

Dealer

HD3 4LY West Yorkshire, West Yorkshire

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Carwow

Used Mercedes SLK250 Sport Edition 204 HP (150 kW) 2011 Black Cabriolet

(2011) Mercedes SLK250 Sport Edition 204 HP

Fair price

Estimated price £8,252

UB9 6LX Harefield, London

153 g CO2/km comb. - 204 HP (150 kW) - 6.6 Mpg

Carwow

Used Mercedes SLK250 Sport Edition 204 HP (150 kW) 2012 Black Cabriolet

(2012) Mercedes SLK250 Sport Edition 204 HP

Fair price

UB9 6LX Harefield, London

153 g CO2/km comb. - 204 HP (150 kW) - 6.6 Mpg

1 / 1

Used (2012) Mercedes SLK250 AMG 201 HP | Fair price

BlueEFFICIENCY AMG Sport 2d Tip

2012
81,000 miles
Trim level: AMG
1.8L Petrol
Cabriolet
Automatic
201 HP (147 kW)
CO2 emissions: 153 g CO2/km comb.
42 mpg
Details

Fair price

£7,950

Dealer

BT42 3NS Connor

1 / 1

Used (2012) Mercedes SLK250 AMG 201 HP | Fair price

SLK BlueEFFICIENCY AMG Sport 2dr

2012
86,000 miles
Trim level: AMG
1.8L Petrol
Cabriolet
Automatic
201 HP (147 kW)
CO2 emissions: 153 g CO2/km comb.
42 mpg
Details

Fair price

£8,495

Dealer

Hilton, London

1 / 1

Used (2011) Mercedes SLK250 Sport Edition 201 HP | Fair price

SLK BlueEFF AMG Sport Ed 125 2dr

2011
97,800 miles
Trim level: Sport Edition
1.8L Petrol
Cabriolet
Automatic
201 HP (147 kW)
CO2 emissions: 153 g CO2/km comb.
42 mpg
Details

Fair price

£6,495

Dealer

BB1 7SB Blackburn With Darwen, Lancashire

1 / 4

Used (2013) Mercedes SLK250 AMG 204 HP | A bit pricey

SLK 2013 AMG Sport BlueEFFICIENCY

2013
75,200 miles
Trim level: AMG
2.0L Petrol
Cabriolet
Automatic
204 HP (150 kW)
CO2 emissions: 153 g CO2/km comb.
6.6 mpg
Details

A bit pricey

£9,450

GL2 9HN Longlevens, Gloucestershire

Availability verified

1 / 1

Used (2012) Mercedes SLK250 AMG | Expensive

SLK 1.8 BlueEfficiency AMG Sport

2012
99,000 miles
Trim level: AMG
1.8L Petrol
Cabriolet
Automatic
Details

Expensive

£6,980

Dealer

London, London

1 / 1

Used (2012) Mercedes SLK250 | Expensive

SLK 1.8 BlueEfficiency G-Tronic+

2012
54,000 miles
1.8L Petrol
Cabriolet
Automatic
Details

Expensive

£8,987

Dealer

WS7 0HQ Burntwood Green, Staffordshire

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Carwow

Used Mercedes SLK250 Sport Edition 204 HP (150 kW) 2011 Black Cabriolet

(2011) Mercedes SLK250 Sport Edition 204 HP

Fair price

Estimated price £8,252

UB9 6LX Harefield, London

153 g CO2/km comb. - 204 HP (150 kW) - 6.6 Mpg

Carwow

Used Mercedes SLK250 Sport Edition 204 HP (150 kW) 2012 Black Cabriolet

(2012) Mercedes SLK250 Sport Edition 204 HP

Fair price

UB9 6LX Harefield, London

153 g CO2/km comb. - 204 HP (150 kW) - 6.6 Mpg

1 / 1

Used (2011) Mercedes SLK250 AMG

SLK BlueEFF AMG Sport Ed 125 2dr

2011
54,000 miles
Trim level: AMG
1.8L Petrol
Cabriolet
Automatic
Details

£11,495

Not evaluated

Dealer

London, London

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Carwow

Used Mini Cooper S Cabriolet 192 HP (141 kW) 2017 Grey Cabriolet

(2017) Mini Cooper S Cabriolet 192 HP

Super price

You save £3,000

B33 0LD West Midlands, West Midlands

139 g CO2/km comb. - 192 HP (141 kW) - 6.0 Mpg

Carwow

Used BMW 328 M Sport 245 HP (180 kW) 2015 Blue Hatchback

(2015) BMW 328 M Sport 245 HP

Fair price

Estimated price £9,580

WF2 8DH West Yorkshire, West Yorkshire

150 g CO2/km comb. - 245 HP (180 kW) - 6.4 Mpg

Carwow

Used Audi A3 Cabriolet Sport 150 HP (110 kW) 2015 Red Cabriolet

(2015) Audi A3 Cabriolet Sport 150 HP

Good price

You save £1,601

RH20 1BQ West Sussex, West Sussex

115 g CO2/km comb. - 150 HP (110 kW) - 4.3 Mpg

Carwow

Used Mini Cooper S Cabriolet Classic 192 HP (141 kW) 2019 Grey Cabriolet

(2019) Mini Cooper S Cabriolet Classic 192 HP

Good price

You save £1,491

BS5 9PJ Bristol City, Bristol

148 g CO2/km comb. - 192 HP (141 kW) - 6.4 Mpg

Showing 1 - 11 of 11 results

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