IN MAY OF 2008, MY WIFE WAS DRIVING THE VEHICLE WITH HER PURSE ON THE PASSENGER SEAT. SHE SMELLED SOMETHING BURNING AND LOOKED OVER TO DISCOVER THAT HER PURSE WAS BURNING ALONG WITH THE PASSENGER SEAT. SHE PULLED OFF THE FREEWAY AND WAS ABLE TO EXTINGUISH THE FIRE. THE BOTTOM OF HER PURSE WAS CHARRED AND THE PASSENGER SEAT HAD A BURN WHOLE ABOUT THE SIZE OF A QUARTER. THE FIRE WAS DUE TO THE DEFECTIVE SEAT WARMER. THE SEAT WARMER HAS A RANGE OF 1-5 WITH 1 BEING THE LOWEST. THE WARMER WAS ON 3. I HAD BROUGHT THE CAR TO THE DEALERSHIP SEVERAL TIMES WHEN IT WAS UNDER WARRANTY WITH THE COMPLAINT OF THE SEAT WARMERS OVERHEATING. I HAD FELT A BURNING ON THE DRIVERS SIDE AND WAS CONVINCED THAT THERE WAS AN ISSUE WITH THE SEAT WARMER. ADDITIONALLY MY WIFE HAD MENTIONED THAT SHE FELT SIMILAR OVERHEATING ON THE PASSENGER SIDE. EACH TIME I BROUGHT IT IN TO CHRYSLER, I WAS TOLD THAT THERE WAS NO PROBLEM. I HAD ASKED THEM TO SEARCH FOR RECALLS AS WELL AS TSB'S. I WAS TOLD THERE WERE NONE. THERE WAS IN FACT A TSB ISSUED FOR THIS EXACT PROBLEM BEFORE I HAD BROUGHT MY CAR IN TO BE EXAMINED. IT SEEMS THAT THIS WAS EITHER IGNORED OR OVERLOOKED ON AT LEAST 2 OCCASIONS. WE KEPT THE CONTROL AT 3 OR BELOW AND THIS SEEMED TO HELP FOR A BIT, HOWEVER IT STILL GOT TOO HOT ON MANY OCCASIONS AND WE HAD TO TURN THEM OFF. I HAVE DISCOVERED RECENTLY THAT THE CHRYSLER JEEP FOR 2004 WAS RECALLED FOR EXACTLY THE PROBLEM THAT I HAD. NOW THE MERCEDES (DAMLIERCHRYSLER) IS UNDER INVESTIGATION F