1998 MERCEDES BENZ E430 Electrical System Problems

STALLING, ABRUPT ENGINE FAILURE, FAIL TO OR DELAYED START: FREQUENCY - 6 TIMES PER YEAR, NO WARNING. 1/YR - FAIL TO START AND DELAYED STARTING FOR SEVERAL MINUTES; 5/YR ENGINE STOPPED/ STALLED WHILE OPERATING AT SPEEDS FROM 35 TO 65 MPH. 1. DURING THE DELAYED STARTED THERE WAS NO ENGINE NOISE, I.E. NO GENERATOR/TURNOVER OCCURRED, EVEN DASH LIGHTS FAILED TO LIGHT; THEN STARTED - NO ERROR MESSAGE NOR CHECK ENGINE APPEARED. 2. DURING THE STALLS AT SPEED IN GEAR, THE ENGINE DIED WITH NO WARNING AND EVENTUALLY STARTED AGAIN WITH REPEATED KEY-TURNS. MULTIPLE INCIDENTS OF ENGINE FAILURE SINCE 2008. WITHOUT WARNING OR ANY SIGN OF A PROBLEM, THE ENGINE COMPLETELY SHUTS OFF. THIS OCCURS: WHILE STARTING - NO RESPONSE , WHILE STOPPED, DRIVING AT SURFACE STREET AND HIGHWAY SPEEDS, TURNING AT LOW SPEEDS AND EVEN BACKING UP. HAVE REPLACED/REPAIRED OR INSPECTED PLUGS&WIRES, WIRING HARNESS, K40 RELAY, FUSES, BATTERY, MASS AIR...

THE VEHICLE HAS EXHIBITED SYMPTOMS FOR 15 MONTHS RESULTING IN $2,000 IN ATTEMPTED REPAIRS: REPLACED IGNITION AND KEY, K MODULE, AND AIR REGULATOR. ANY AND ALL THE FOLLOWING SYMPTOMS MAY AND DO OCCUR WITHOUT WARNING: ENGINE LIGHT GOES ON, BAS ASR, BAS, EMERGENCY BREAK LIGHT, DEFECTIVE DISPLAY LIGHT, DEFECTIVE BULB, ALL WARNING LIGHTS GO ON AT ONCE. ALL THE LIGHTS WILL CLEAR WHEN RESTARTING THE CAR, AND THE ENGINE LIGHT WILL TURN OFF IN A DAY OR TWO. MECHANICALLY THE FUEL GAUGE AND RPM GAUGE WILL SWING WILDLY WHILE THE SPEEDOMETER SWINGS OR DROPS TO ZERO WHILE IN OPERATION (HAZARD 1), TYPICALLY THE SMELL OF BURNING WIRE (HAZARD 2), THE TRANSMISSION FAILS TO GO FROM A STOPPED POSITION PAST THE FIRST GEAR, DOWN SHIFTS ABRUPTLY TO THE POINT OF ALMOST BEING JERKED INTO THE WINDSHIELD, NEARLY CAUSING AN ACCIDENT IN OCTOBER 2010 ON COLLEGE ROAD, OLIVE BRANCH MS (HAZARD 3)....