2004 MERCEDES BENZ E320 Engine And Engine Cooling Problems

I LEFT MY HOME IN CINCINNATI, OH AT 8:25, WITH A 1/2 TANK OF GAS, DROVE ~ 3 MILES TO HWY126 AND MERGED TO 75S. I MOVED FROM THE RIGHT TO THE MIDDLE TO THE LEFT LANE. AFTER BEING AT 50 MPH ~ 2 MINUTES ON THE LEFT LANE, THE CAR SUDDENLY STOPPED. THE DASHBOARD WAS ALL LIT UP WITH WARNING SIGNS, CHECK ENGINE, BRAKES AND OIL. I PUT MY HAZARD LIGHT ON, PUT THE CAR IN PARK, TURNED THE KEY OFF, AND THEN BACK ON. THE SAME WARNING SIGNS CAME ON AND THE CAR DID NOT START. I CALLED MERCEDES ASSISTANCE WHO ADVISED TO CALL 911 AND THAT A TOW TRUCK WILL ARRIVE IN 1 HOUR. I CALLED 911 AND SURPRISINGLY GOT A VOICE MESSAGE THAT ALL OPERATORS ARE BUSY! A MINUTE LATER AN OPERATOR CAME ON THE LINE, SHE ASKED WHERE I WAS AND I TOLD HER THAT...

2004 E320 4MATIC WAGON. ENGINE STALLED WHILE MERGING TO I-65 SB. VEHICLE WAS 7QT LOW ON OIL. VEHICLE WAS NOT EQUIPPED WITH A MANUAL DIPSTICK TO CHECK OIL. VEHICLE IS EQUIPPED WITH FLEXIBLE SERVICE SYSTEM THAT MONITORS OIL LEVEL, CONDUCTIVITY, TEMP, PRESSURE. OWNERS MANUAL SHOWS THAT IF ANY PARAMETERS ARE OUTSIDE NORMAL, OR IN THE CASE OF SENSOR/SYSTEM FAILURE, A RED WARNING WOULD APPEAR ON INSTRUMENT CLUSTER TO INSTRUCT THE DRIVER TO STOP THE VEHICLE AND TURN OFF THE ENGINE. NO WARNING WAS DISPLAYED. DEALERSHIP STATES INSTRUMENT CLUSTER FAILED TO COMMUNICATE WITH CENTRAL COMPUTER DUE TO A SOFTWARE ISSUE. ENGINE MUST BE REPLACED. REQUESTED MERCEDES BENZ TO REPLACE ENGINE AND ASSIGN ENGINEERING TEAM TO ADDRESS ISSUE AND ISSUE A SERVICE CAMPAIGN TO PREVENT FAILURE FROM HAPPENING TO OTHERS. MERCEDES BENZ STATED THAT THEY WILL PROVIDE NO ASSISTANCE. I AM CONCERNED THAT THIS ISSUE COULD ALSO FAIL TO PROVIDE OTHER IMPORTANT...