what about using a decal ?
http://www.google.co.uk/search?q=rising+sun+flag&source=lnms&tbm=isch&sa=X&ei=ocHFUZueKoaz0QXD0oDYAg&ved=0CAcQ_AUoAQ&biw=1482&bih=884#facrc=_&imgdii=_&imgrc=khbORIAwgo5f7M%3A%3B0OpvFckG2YuucM%3Bhttp%253A%252F%252Fthumbs1.ebaystatic.com%252Fd%252Fl225%252Fm%252FmrfOvh3IVcqbgScC9LyFxBw.jpg%3Bhttp%253A%252F%252Fwww.ebay.co.uk%252Fbhp%252Frising-sun-decal%3B225%3B213
Mercs are on the way up in terms of cool ... even rich groundworkers are driving them now instead of RR Sports !!!
Must be small, black, with a massive engine and drug dealer windows