Mercedes-Benz introduced Rescue Assist in 2014, a first of it’s kind safety advancement to help save lives.  Starting on all vehicles produced from November 1, 2013 and can be retrofitted to vehicles dating back to 1990 (Please see your local dealer for details).  Mercedes-Benz installs a QR code inside the gas flap that first responders can scan to let them know battery location, airbags and other structural elements in the event of an emergency.  See the video below for more information.