Here is the latest Mercedes SLS tuning work from the guys at MEC Design. This sleek kit offers a variety of styling improvements to give the Mercedes an extra aggressive look. First is the addition of a new body kit consisting of a new front and rear bumper, front lip with optional carbon fiber in one or two pieces, side skirts with LED lighting, rear spoiler, roof scoop, and a rear diffuser. What really sets this Mercedes SLS AMG apart is the wheel package from MEC Design. The tuners installed their very own MECxtremelll 3tg rims measuring 10.5×20 up front, and 11.5×21 at the rear. These lightweight pieces come wrapped in high performance tires sized 265/30ZR20, and 295/25ZR21 respectively.
While the LED lighting under the Mercedes SLS is a unique touch, the tuning company turned to the interior for upgrades as well. Inside you will find customizations to the steering wheel, center console, and storage compartment all with carbon fiber trims. Another optional aftermarket part is the rear bumper, available in either the Extreme diffuser, GT3 diffuser, or Formula diffuser, which can also be finished with carbon fiber by MEC Design.
Source: http://fancytuning.com/2011/05/mec-design-mercedes-sls/