D main culprit for painters are d dust...oven or even a proper spray booth is good enuff...d only difference between d 2 is again d cost factor...an oven can cost about 30k new (used I've seen selling at 18k)..a proper designed n built spray booth does d job for a fraction of d cost...as long as d vacuum n fan is put up properly to suck out n minimize d dust then half ur work is done...d rest nothing a good polish n wax x do..

I strongly suggest you not to do it bro, this is Mercedes after all, not cheap Myvi or Proton. I can almost guarantee you after repaint it will not be as nice as original, especially if you don't want to dismantle stuff. Later when resale, your car price will not be as good as it should be if still original color.
..so ur planning to get it ke??
