Thanks for the info on wiring. I down loaded the service manuals, but could not find any thing about rear camera wiring. Thanks for your offer, but I really like the stock head unit. Do you know what type of rear view camera comes with the car when you get the gps option?

I have a 2010 SLS, FWD with 1700 miles. Love this car. Changing out the amp is the only problem I have had so far. I also noticed the rear sonar parking assist do not work when the temp. gets down around freezing. I read in the owners manual that very cold or very hot temp. could effect how they ope...