2007 MERCEDES GL450 ON DEC 11 2009 I NOTICED THE SMELL OF SOMETHING BURNING WHILE DRIVING MY SUV. SHORTLY THEREAFTER I FELT AN INTENSE BURNING ALONG MY LEFT LOWER BACK. I IMMEDIATELY PULLED OVER AND EXITED THE VEHICLE. ALONG THE LEFT SIDE BACK OF THE DRIVERS SEAT WAS A 1.5 X 0.5INCH HOLE BURNT THROUGH THE FABRIC. I WAS USING THE SEAT HEATER AT THE TIME. THE INCIDENT DAMAGED MY PANTS AND LEATHER JACKET. *TR