NHTSA Complaint #10934426 — 1998 MERCEDES BENZ E430

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 FLOW SENSOR, CRANKSHAFT POSITION SENSOR, EGR VALVE, FUEL FILTER, ECU CHIP, FUEL PUMP/RELAY/LINES, VACUUM LINES, AIR FILTER, TENSIONER, HARMONIC BALANCER, VIBRATION DAMPER, IGNITION CONTROL UNIT, SOLENOID, TEST OF COIL PRIMARY AND SECONDARY RESISTANCE, O2 SENSORS, IGNITION SWITCH, IDLE AIR SLIDE, HARMONIC DAMPER ... AND THE SEARCH CONTINUES...THIS IS AN ACCIDENT WAITING TO HAPPEN (AND ACCORDING TO SEVERAL POSTS ON THIS SITE, IT ALREADY HAD) NOTE THAT SEVERAL DIAGNOSTIC SCANS OVER THE 7 YEARS SHOWS NO ERROR CODES AND THE MECHANIC HAS BEEN UNABLE TO REPLICATE THE PROBLEM. AFTERWARD, THE CAR STARTS ALMOST IMMEDIATELY OR WITHIN A FEW MINUTES. HISTORY: BOUGHT THE CAR USED IN 2005 WITH 92,000 MILES IN FLORIDA, NO ACCIDENTS, NO HX OF DAMAGE, FLORIDA (NO WATER DAMAGE), REGULARLY SERVICED AND ROUTINE MAINTENANCE IS UP TO DATE. THANK YOU FOR THE MEANS TO REPORT THIS SERIOUS PROBLEM.