THE FUEL TANK, PUMP AND SENDER STARTED LEAKING. FUEL HAD POOLED ON TOP OF SENDER UNIT. THIS MADE MY DAUGHTER IN THE BACK SEAT SO ILL WE HAD TO TAKE HER TO URGENT CARE. I CALLED A DEALER. BOUGHT "IMPROVED SEALS FOR THE SENDER AND PUMP. THE PROBLEM IS NOT GONE. NOW THE DEALER IS TELLING ME IT COULD BE $1500-$2500 TO REPLACE THE TANK AND SENDER/PUMP. IT IS UNREAL THAT A POTENTIALLY LETHAL FUEL LEAK IS WIDELY KNOWN ABOUT ALL THE 2003-2008 E CLASS MERCEDES AND NOTHING IS BEING DONE. DOES SOMEBODY HAVE TO BURN TO DEATH IN A FIERY CRASH BEFORE MERCEDES OR THE NHTSA GETS SERIOUS ABOUT THIS ISSUE. THE CAR HAS HAD TO BE PARKED. I AM STILL MAKING PAYMENTS ON IT AND HAVE TO GO BUY ANOTHER CAR THAT IS NOT A ROLLING FUEL EXPLOSION WAITING TO HAPPEN. I AM BEGGING THE NHTSA FOR THE SAFETY OF HUNDREDS OF THOUSAND E CLASS OWNERS TO HAVE MERCEDES RECALL THESE CARS. *TR