Add an aftermarket "trim kit" to the Camaro and BINGO, you have the same look as the MB. I personally don't like the red burlwood look. I liked the dark grey or Titanium look much better. Hell, even a nice carbonfiber trim kit would break up the plain jane looking dash.
Get bold and go with grey or orange interior accents and it will dress it up. GM put out interior dress up kits for the Cobalt and G5 so I can't imagine them not doing the same for their new baby. Unless Congress stops them.
Seems like your expecting GT-R quality in a car that is 1/2 the price.