The most powerful SLK of all time, the 2012 Mercedes SLK 55 AMG is now available for ordering in the UK, so here is how much it costs in case you need to know how much to withdraw from you bank account.

Itstarts at 54,950 GBP, and the most important mechanical piece that you'll get for that amount is the 5.5-litre naturally-aspirated V8 fromunder the bonnet which churns 421 HP at 6,800 rpm and 540 Nm of torque at 4,500 rpm via a 7-speed AMG SPEEDSHIFT 7G-TRONIC PLUS automatic gearbox.

Thanks to this engine, which also features the AMG Cylinder Management System in order to achieve lower emissions and consumption figures, the 2012 Mercedes SLK 55 AMG is capable of rocketing from 0 to 62 mph in 4.6 seconds and reaching a maximum speed of 155 mph (electronically limited).

Its CO2 levels are of 159 grams per Km, while combined fuel efficiency figures reach 33.6 mpg (UK rating) thanks in part to the vehicle's ECO stop/start system also. 

The new SLK 55 AMG also comes with a performance suspension and brakingsystem while the above mentioned transmission enables the car to be driven in three different modes: Controlled Efficiency (C), Sport (S) and Manual (M).

Apart from the unique AMG bodywork and the specialinterior trim, the 2012 Mercedes SLK 55 AMG also comes with standard equipment such as 18-inch 5-spoke design alloys, Nappa leather upholstery, the MB Intelligent Light System, the COMAND Online with Media Interface and a DAB digital radio. Safety features also offered asstandard include PRE-SAFE, NECK-PRO, ATTENTION ASSIST and HEADLAMP ASSIST.

Among the options customers will find the AMG Performance Package which costs 4,105 GBP and includes revised suspension and brakesand a rear differential lock, plus the AMG Driver's Package which will raise the vehicle's limited top speed and includes attendance at an AMG Power and Passion driver event for 2,755 GBP.