42/6 (or 426) - floor shift automatic and power steering
181 H - light beige body paint (from H = Herberts)
460 G - dark red-brown hardtop (from G = Glasurit)
"6" - hardtop mounted (and softtop in compartment)
113042 12 2
230 SL Automatic left hand drive - German delivery ("2")
00047 - production number (within that workshift)
03886 - body number
"6" (before the production number) - not absolutely sure...; a running number for "light" colors