Mercedes SLK250 (petrol) • 11 cars with Valuation

Market overview: Petrol Mercedes SLK250 (May-2026): There are currently 11 used petrol Mercedes SLK250 cars for sale. Prices range from £5,295 to £10,495, with a median price of £7,400. AutoUncle has identified 3 cars as being offered below market price. The typical selling time for a petrol Mercedes SLK250 is approximately 47 days, and 16.7% of the listings have recently been reduced in price (Source: AutoUncle market data, May-2026).

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

-8%

1 / 4

Used (2012) Mercedes SLK250 AMG | Super price

SLK BlueEFFICIENCY AMG Sport 2dr

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

Super price

£5,295

£5,795

Motors.co.uk

NG19 0EQ Forest Town, Nottinghamshire

-13%

1 / 4

Used (2013) Mercedes SLK250 AMG | Super price

SLK BlueEFFICIENCY AMG Sport 2dr

2013
74,000 miles
Trim level: AMG
1.8L Petrol
Cabriolet
Automatic
Details

Super price

£6,250

£7,250

Motors.co.uk

RM9 6YJ Greater London, London

1 / 4

Used (2011) Mercedes SLK250 AMG Edition 1 | Good price

SLK BlueEFFICIENCY Edition 125 2dr

2011
53,000 miles
Trim level: AMG Edition 1
1.8L Petrol
Cabriolet
Automatic
42 mpg
Details

Good price

£7,799

Parkers.co.uk

UB9 4DA Denham, Buckinghamshire

New

1 / 4

Used (2012) Mercedes SLK250 Sport Edition | Fair price

SLK 1.8 BlueEfficiency AMG Sport

2012
68,275 miles
Trim level: Sport Edition
1.8L Petrol
Cabriolet
Automatic
42 mpg
Details

Fair price

£8,795

Motors.co.uk

WA1 3RS Warrington, Cheshire

1 / 4

Used (2011) Mercedes SLK250 AMG | Fair price

SLKBlueEFF AMG Sport Ed 125 2dr

2011
97,800 miles
Trim level: AMG
1.8L Petrol
Cabriolet
Automatic
42 mpg
Details

Fair price

£6,995

£6,495

Motors.co.uk

BB1 7SB Blackburn With Darwen, Lancashire

1 / 4

Used (2012) Mercedes SLK250 AMG | Fair price

SLK BlueEFF AMG Sport Ed 125 2dr

2012
91,000 miles
Trim level: AMG
1.8L Petrol
Cabriolet
Automatic
42 mpg
Details

Fair price

£7,295

Motors.co.uk

PE34 4LZ Terrington Saint Clement, Norfolk

1 / 4

Used (2011) Mercedes SLK250 AMG | Fair price

SLK BlueEFF AMG Sport Ed 125 2dr

2011
61,100 miles
Trim level: AMG
1.8L Petrol
Cabriolet
Automatic
42 mpg
Details

Fair price

£8,995

Motors.co.uk

WS10 9LL West Midlands, West Midlands

1 / 4

Used (2012) Mercedes SLK250 AMG | Fair price

SLK BlueEFF AMG Sport Ed 125 2dr

2012
53,163 miles
Trim level: AMG
1.8L Petrol
Cabriolet
Automatic
Details

Fair price

£10,495

Motors.co.uk

NP13 2LN Aberbeeg, Gwent

1 / 4

Used (2011) Mercedes SLK250 Edition 1 | Fair price

SLK BlueEFFICIENCY Edition 125 2dr

2011
49,800 miles
Trim level: Edition 1
1.8L Petrol
Cabriolet
Automatic
Details

Fair price

£7,400

Motors.co.uk

HA3 6TY Greater London, London

New

1 / 1

Used (2011) Mercedes SLK250 Sport Edition | Fair price

SLK 1.8 BlueEfficiency AMG Sport

2011
76,000 miles
Trim level: Sport Edition
1.8L Petrol
Cabriolet
Automatic
Details

Fair price

£7,495

Motors.co.uk

GL4 3BS Gloucestershire, Gloucestershire

1 / 4

Used (2011) Mercedes SLK250 | A bit pricey

BlueEFFICIENCY 2d Tip Auto

2011
121,000 miles
1.8L Petrol
Cabriolet
Automatic
42 mpg
Details

A bit pricey

£5,495

Motors.co.uk

CR3 6SF Surrey, Surrey

1 / 4

Used (2012) Mercedes SLK250 AMG 204 HP | Rare vehicle

SLK BlueEFFICIENCY AMG Sport Tip

2012
65,000 miles
Trim level: AMG
1.8L Petrol
Cabriolet
Automatic
204 HP (150 kW)
42 mpg
Details

£8,970

Rare vehicle

Motors.co.uk

DN4 6QT South Yorkshire, South Yorkshire

Featured deals

Verified Dealers

Carwow

Used Mini Cooper S Cabriolet 184 HP (135 kW) 2014 White Cabriolet

(2014) Mini Cooper S Cabriolet 184 HP

Fair price

PL75JY Plymouth, Devon

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

Carwow

Used Audi A3 Cabriolet Sport 140 HP (102 kW) 2014 White Cabriolet

(2014) Audi A3 Cabriolet Sport 140 HP

Good price

You save £1,401

BL8 2AL Greater Manchester, Manchester

114 g CO2/km comb. - 140 HP (102 kW) - 5.0 Mpg

Carwow

Used Mini Cooper S Cabriolet 184 HP (135 kW) 2015 Silver Cabriolet

(2015) Mini Cooper S Cabriolet 184 HP

Super price

You save £1,905

CO92SX Halstead, Essex

153 g CO2/km comb. - 184 HP (135 kW) - 6.6 Mpg

Carwow

Used BMW 328 M Sport 245 HP (180 kW) 2014 Black Sedan

(2014) BMW 328 M Sport 245 HP

Fair price

CM9 4LJ Heybridge, Essex

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

Showing 1 - 12 of 12 results

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

See Mercedes SLK250

Mercedes SLK250 (123)