W204 command version
I have been fiddling around in engineering mode on my 2010 c180K to try to enable rear camera but found out that the options offered to me are really limited. Here is a picture:

Am I doing something wrong or do I need an update? If so how do I proceed with the update?
Thanks
Last edited by YashD; Nov 27, 2014 at 12:19 PM. Reason: added image



