NHTSA owner reports · September 18, 2026 snapshot.
Engine And Engine Cooling complaints
18 reportsClear category filter57,901 miles · Mar 9, 2014
Engine And Engine Cooling
JUST LIKE THE GM CARS NOW BEING RECALLED, MY CAR SHUT ITSELF OFF COMPLETELY WHILE I WAS TRAVELING AT 60 MPH. IT HAD TO BE TOWED TO BE REPAIRED---AND THE DIAGNOSIS WAS MADE IMMEDIATELY, AS THE MECHANIC HAD DONE TAKEN CAR OF A CAR THAT HAD THE IDENTICAL "PROBLEM" JUST THE WEEK BEFORE. PARTS REPLACED WERE L CATALYTIC CONVERTER…
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JUST LIKE THE GM CARS NOW BEING RECALLED, MY CAR SHUT ITSELF OFF COMPLETELY WHILE I WAS TRAVELING AT 60 MPH. IT HAD TO BE TOWED TO BE REPAIRED---AND THE DIAGNOSIS WAS MADE IMMEDIATELY, AS THE MECHANIC HAD DONE TAKEN CAR OF A CAR THAT HAD THE IDENTICAL "PROBLEM" JUST THE WEEK BEFORE. PARTS REPLACED WERE L CATALYTIC CONVERTER AND AIR MASS METER. *TR
NHTSA ODI #10568000
134,000 miles · Sep 29, 2010
Engine And Engine CoolingPower Train
ENGINE JUST STOPS RUNNING/STALLING AFTER FROM 15 - 30 MINUTES OF DRIVING. HAS HAPPENED TWICE MIDWAY THROUGH LEFT TURNS. (SCARY!) CAN HAPPEN ANYTIME AND ANY SPEED. *TR
NHTSA ODI #10358245
80,000 miles · Apr 23, 2010
Electrical SystemEngine And Engine CoolingExterior Lighting
INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6) SEPTEMBER 12, 1998 I PURCHASED A 1999 E320W.] I AM THE ONLY OWNER OF THE CAR. THE CAR IS DRIVEN LEISURELY. TO DATE, IT ONLY HAS 92,000 MILES ON IT. I HAVE BEEN REGULARLY OBTAINING THE A & B MAINTENANCE SERVICES. THE ELECTRICAL SYSTEM HAS…
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INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6) SEPTEMBER 12, 1998 I PURCHASED A 1999 E320W.] I AM THE ONLY OWNER OF THE CAR. THE CAR IS DRIVEN LEISURELY. TO DATE, IT ONLY HAS 92,000 MILES ON IT. I HAVE BEEN REGULARLY OBTAINING THE A & B MAINTENANCE SERVICES. THE ELECTRICAL SYSTEM HAS BEEN MALFUNCTIONING FOR MONTHS AND MB ALLEGEDLY CAN'T DIAGNOSE IT; AND I HAVE BEEN USING AN EXCESSIVE AMOUNT OF OIL. A SECOND OPINION MECHANIC SAID IT IS OIL SLUGGING WHICH WAS RECALLED BUT MB WON'T HONOR. HE ALSO SAID MY ENGINE / MOTOR NOW NEEDS TO BE REPLACED. THERE IS ALSO AN INTERMITTENT SCRAPING ON THE PASSENGER SIDE. DURING ALL OF THE SERVICES TO MB THEY NEVER TOLD ME ABOUT THE RECALL NOR PROVIDED SERVICE TO ENSURE THAT MY CAR WAS NOT AFFECTED. THEY SAID IT WAS NOT A TOTAL RECALL BUT A CASE-BY-CASE SITUATION AND I AM NOT ELIGIBLE. I AM VERY FEARFUL WHEN I AM DRIVING. EACH TIME I GO OUT I FEAR WHAT MIGHT HAPPEN. I DO NOT HAVE THE FUNDS TO PAY FOR A ENGINE. PLEASE HELP ME. I CAN PROVIDE A TIMELINE OF THE HISTORY OF MY VEHICLE WHICH WITH HINDSIGHT LOOKS LIKE I PURCHASED A LEMON. THE SECOND OPINION MECHANIC INFORMED ME OF THE RECALL/CLASS ACTION BUT MB CONCEALED THE INFORMATION. *TR THE LOCKS WERE INOPERABLE AND THE KEY WOULD NOT COME OUT OF THE IGNITION, THE CHECK ENGINE LIGHT ILLUMINATED, THE SERPENTINE BELT, BALL JOINTS, TIE ROD ENDS WERE ALL REPLACED. THE FUEL SENSOR LEVEL WAS REPLACED. THERE WAS A SHIMMY IN THE SUSPENSION. THE DEALER REPLACED THE TIRES AND LEFT RIM. THE VALVE STEM WAS LEAKING, THE LEFT REAR WINDOW WAS INOPERABLE. THE CRANKSHAFT POSITION SENSOR WAS REPLACED. ALL OF THE DASHBOARD LIGHTS INTERMITTENTLY, BUT REGULARLY TURN INTO LINE BARS. THE TAIL LIGHT CIRCUIT BOARD AND THE RIGHT REAR TAIL LAMP, RIGHT FRONT HEAD LIGHT AND LEFT FRONT PARKING BULBS WERE HAD TO BE REPLACED UPDATED IVOQ 05/27/10.*JB
NHTSA ODI #10327199
64,000 miles · Jul 29, 2006
Electrical SystemEngine And Engine Cooling
CRANK POSITION SENSOR (CPS) STARTED TO FAIL WHEN THE OUTSIDE TEMPERATURE WAS ABOVE 95F. CAR (1999 MERCEDES BENZ E320) FAILED TO START TWICE WHEN PARKED AFTER DRIVING FOR A SHORT DISTANCE. ONLY AFTER COOLING IT WOULD START AGAIN. AT ONE POINT THE ENGINE BECAME VERY ERRATIC WHILE IN TRAFFIC. AT ANOTHER POINT I WAS STOPPED ON T…
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CRANK POSITION SENSOR (CPS) STARTED TO FAIL WHEN THE OUTSIDE TEMPERATURE WAS ABOVE 95F. CAR (1999 MERCEDES BENZ E320) FAILED TO START TWICE WHEN PARKED AFTER DRIVING FOR A SHORT DISTANCE. ONLY AFTER COOLING IT WOULD START AGAIN. AT ONE POINT THE ENGINE BECAME VERY ERRATIC WHILE IN TRAFFIC. AT ANOTHER POINT I WAS STOPPED ON THE TRAFFIC LIGHT AND THE ENGINE JUST STOPPED RUNNING. FORTUNATELY I WAS NEAR HOME AND AFTER WAITING A FEW MINUTES IT STARTED AGAIN. IT WAS EMBARRASSING TO SAY THE LEAST , HAVING A MB CAR STALL IN FRONT OF OTHER MUCH CHEAPER CARS ON THE TRAFFIC LIGHT. FORTUNATELY, I WAS USING THIS CAR FOR ONLY SHORT TRIPS AND DID NOT INCUR THE RISK OF HAVING IT STALL ON A HIGHWAY, BUT I AM SURE IT WOULD AS LONG AS THE ENGINE TEMPERATURE WAS ABOVE A CERTAIN POINT. I RESEARCHED THIS PROBLEM ON THE INTERNET AND FOUND THE FOLLOWING MB CAR OWNERS CHAT/FORUM ROOM WITH DISCUSSIONS ON THE MANY SIMILAR PROBLEMS EXPERIENCED BY OTHERS: HTTP://WWW.MBWORLD.ORG/FORUMS/SHOWTHREAD.PHP?T=80989. *JB
NHTSA ODI #10163861
28,000 miles · Jul 10, 2006
Engine And Engine Cooling
DT*: THE CONTACT STATED THE CHECK ENGINE LIGHT ILLUMINATED WHILE DRIVING. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DETERMINED BY DIAGNOSTIC TESTING THE AIR MASS SENSOR NEEDED TO BE REPLACED. THE CONTACT STATED ALSO OWNS AN ML320 WHICH HAD THE SAME FAILURE JULY 2006. IF THE AIR MASS SENSOR IS NOT REPLACED, FURTHER DAMA…
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DT*: THE CONTACT STATED THE CHECK ENGINE LIGHT ILLUMINATED WHILE DRIVING. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DETERMINED BY DIAGNOSTIC TESTING THE AIR MASS SENSOR NEEDED TO BE REPLACED. THE CONTACT STATED ALSO OWNS AN ML320 WHICH HAD THE SAME FAILURE JULY 2006. IF THE AIR MASS SENSOR IS NOT REPLACED, FURTHER DAMAGE CAN RESULT TO THE ENGINE.
NHTSA ODI #10161974
55,000 miles · Feb 21, 2006
Engine And Engine CoolingExterior LightingPower TrainFire
CONSUMER 1999 E320 HAD TRANSMISSION PROBLEMS AND CAUGHT ON FIRE WITH 110,000 MILES ON IT. *TS THE CONSUMER STATED THE TRANSMISSION PROBLEMS STARTED WHEN THE VEHICLE ONLY HAD 55,000 MILES. BEFORE THE FIRE, THE VEHICLE HAD A TIRE LEAK AND A DEFECTIVE LAMP ASSEMBLY. *JB
NHTSA ODI #10151902
56,989 miles · Sep 1, 2004
Engine And Engine Cooling
AS I WAS ACCELERATING ONTO THE FREEWAY, I HEARD A LOUD NOISE FROM MY ENGINE. I STARTED LOSING POWER STEERING AND MY BATTERY CHARGER LIGHT KEPT FLASHING INDICATING A PROBLEM WITH THE CRANKSHAFT PULLEY. LUCKILY I WAS ABLE TO GET HOME SAFELY.*AK AFTER SAFELY DRIVING HOME, I LOOKED UNDER THE HOOD AND NOTICED HUGE CHUNKS OF RUBB…
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AS I WAS ACCELERATING ONTO THE FREEWAY, I HEARD A LOUD NOISE FROM MY ENGINE. I STARTED LOSING POWER STEERING AND MY BATTERY CHARGER LIGHT KEPT FLASHING INDICATING A PROBLEM WITH THE CRANKSHAFT PULLEY. LUCKILY I WAS ABLE TO GET HOME SAFELY.*AK AFTER SAFELY DRIVING HOME, I LOOKED UNDER THE HOOD AND NOTICED HUGE CHUNKS OF RUBBER PARTS INSIDE. I TOOK THE CAR TO THE MERCEDES DEALERSHIP THE NEXT DAY AND WAS TOLD THAT THE HARMONIC BALANCER HAD BEEN DAMAGED. WHEN THE HARMONIC BALANCER WAS DAMAGED, IT IN TURN RUINED THE OIL PAN COVER AND THE TIMING CHAIN COVER RESULTING IN A $2500 REPAIR BILL. THE SERVICE MANAGER STATED HE WOULD WRITE MERCEDS TO SEE IF SOME OF THE COSTS CAN BE DEFRAYED AND WILL BE GETTING BACK TO ME. I HIGHLY DOUBT ANY SUBSTANTIAL AMOUNT WILL BE DEFRAYED BY THE MANUFACTURER. I AM EXTREMELY DISAPPOINTED IN MERCEDES AND THE E320.
NHTSA ODI #10088948
Mileage unknown · Jul 27, 2004
Engine And Engine Cooling
DURING NORMAL OPERATION I EXPERIENCED TOTAL LOSS OF STEERING ASSIST AND THE ENGINE QUIT RUNNING. I BARELY MISSED HITTING SEVERAL ROADSIDE OBSTACLES AND WAS NEARLY STRANDED IN THE MIDDLE OF A HIGH SPEED ROADWAY. I AM A WOMAN OF OVER 70 YEARS OF AGE AND DO NOT HAVE THE STRENGTH TO WRESTLE A 3000 POUND CAR AROUND WITHOUT POWER AS…
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DURING NORMAL OPERATION I EXPERIENCED TOTAL LOSS OF STEERING ASSIST AND THE ENGINE QUIT RUNNING. I BARELY MISSED HITTING SEVERAL ROADSIDE OBSTACLES AND WAS NEARLY STRANDED IN THE MIDDLE OF A HIGH SPEED ROADWAY. I AM A WOMAN OF OVER 70 YEARS OF AGE AND DO NOT HAVE THE STRENGTH TO WRESTLE A 3000 POUND CAR AROUND WITHOUT POWER ASSIST. I HAD GREAT DIFFICULTY MAINTAINING CONTROL AND AVOIDING A COLLISION. THE CAR HAD TO BE TOWED NEARLY 20 MILES TO THE DEALERSHIP WHERE IT WAS OUT OF SERVICE FOR APPROXIMATELY A MONTH AT A COST OF $4500.00. THE DEALERSHIP TOLD ME THAT THE CAR HAD A FAILURE OF THE HARMONIC BALANCER ON THE ENGINE WHICH DESTROYED A LARGE NUMBER OF SURROUNDING PARTS. THE DAMAGED PARTS WERE REPLACED AND THE BALANCER WAS ALSO REPLACED. THE OLD PART HAS BEEN REQUESTED FROM THE DEALER.*AK
NHTSA ODI #10082774
60,530 miles · Mar 2, 2004
Electrical SystemEngine And Engine CoolingSteering
1999 MERCEDES-BENZ E320T, 60K MILES - CRANKSHAFT HARMONIC BALANCER (DAMPER PULLEY) FAILED. ADVISED BY MECHANIC TO REPLACE IMMEDIATELY, SO AS TO AVOID LOSS OF MULTI RIBBED-V-BELT AND CONCURRENT LOSS OF POWER STEERING, ALTERNATOR AND WATER PUMP FUNCTION.*AK
NHTSA ODI #10060198
76,500 miles · Feb 5, 2004
Engine And Engine Cooling
HARMONIC BALANCER (CRANKSHAFT PULLEY) IS SEPARATING, CREATING NOISE AND POTENTIALLY LOST OF POWER ASSIST FOR STEERING. *JB
NHTSA ODI #10056607
NHTSA investigations
2PE07021 · Front Suspension Coil Spring Ejection
Opened Apr 19, 2007 · Closed Aug 9, 2007
Status: closed (inferred from source dates) · Suspension:front:springs:coil Springs
ODI HAS FOCUSED THIS INVESTIGATION ON ASSESSING THE RISKS POSED BY A SEPARATED SPRING AS (1) A ROAD HAZARD AND (2) THE POTENTIAL FOR VEHICLE CONTROL TO BE COMPROMISED AFTER THE FRONT COIL SPRING HAS BEEN EJECTED FROM ITS INTENDED POSITION IN THE VEHICLE.BOTH RISKS ARE ASSOCIATED WITH CORROSION, FLEXING, AND FRACTURE OF THE UPPER FRONT SUSPENSION MOUNTING BRACKET.TIME-IN-SERVICE FAILURE RATES ARE NOTABLY HIGHER IN SALT BELT STATES SINCE CORROSION IS A PRIMARY CONTRIBUTOR TO THE FAILURE MODE.SINCE A NUMBER OF INCIDENTS HAVE OCCURRED WHILE THE VEHICLE WAS BEING OPERATED, ODI IS SKEPTICAL THAT OWNERS CAN ALWAYS DETECT THE SUBTLE SIDE TO SIDE DIFFERENCE IN RIDE HEIGHT AND/OR INSPECT OR NOTICE THAT THE UPPER SUSPENSION BRACKET HAS BEEN COMPROMISED BY CORROSION.(1) ROAD HAZARD - ALTHOUGH THE (APPROX. 7 LB.) FRONT SUSPENSION SPRING THAT MAY BE EJECTED AT HIGHWAY SPEEDS COULD POSE A SERIOUS ROAD HAZARD TO PEDESTRIANS AND OTHER VEHICLES, THE OCCURRENCE RATE HAS BEEN LOW (.03% BASED ON 51 REPORTED INCIDENTS OCCURRING AND AN INITIAL POPULATION OF 172,781 VEHICLES AFTER 9 - 12 YEARS OF USE / EXPOSURE) AND THERE ARE NO KNOWN INJURIES, FATALITIES, OR PROPERTY DAMAGE REPORTS DUE TO AN EJECTED SPRING.ALSO, MANY OF THE 51 INCIDENTS OCCURRED AT LOW SPEED OR WHILE THE VEHICLE WAS STOPPED OR PARKED.(2) VEHICLE CONTROL - VEHICLE HANDLING AND CONTROL COULD BE AFFECTED BY THE FRACTURE OF THE UPPER SUSPENSION MOUNT AND/OR THE ASSOCIATED SPRING EJECTION.ODI FIRST IDENTIFIED ITS CONCERN ABOUT CORROSION IN THE UPPER SUSPENSION BRACKET OF SUBJECT VEHICLES IN 2002, AT WHICH TIME MERCEDES PROVIDED A VIDEO THAT SHOWED THAT A VEHICLE COULD BE STEERED, STOPPED, AND CONTROLLED THROUGH VARIOUS MANEUVERS AT HIGH SPEEDS WITH A FRONT COIL SPRING COMPLETELY MISSING FROM THE VEHICLE. DURING PE07-021, IN ADDITION TO REVIEWING THE 2002 VIDEO-TAPE, ODI ENGINEERS DROVE AN EXEMPLAR VEHICLE WITH THE SPRING REMOVED AND SIMULATED VARIOUS COMBINATIONS OF STEERING ANGLES TO ASSESS WHETHER THERE WERE ANY POSSIBLE CONDITIONS / DISPLACEMENTS IN WHICH THE SEPARATED SPRING MIGHT INTERFERE WITH THE WHEELS. IN A VEHICLE WITH THE FRONT SPRING REMOVED, THE TOP OF THE WHEEL CAN LIGHTLY CONTACT THE BOTTOM AREA OF THE WHEEL FENDER DURING HIGH ANGLE TURNS TYPICALLY ASSOCIATED WITH SLOWER SPEED MANEUVERS SUCH AS CITY DRIVING. THE LIGHT TIRE CONTACT GENERATED AN OBVIOUS GRINDING NOISE AND WOULD LIKELY ABRADE OR BEND THE EDGE OF THE FENDER WITH CONTINUED USE.HOWEVER, THE EXTENT OF THE INTERFERENCE WAS NOT SUFFICIENT TO AFFECT VEHICLE STEERING AND DOES NOT OCCUR AT SMALLER TURNING ANGLES ASSOCIATED WITH HIGHWAY DRIVING.ODI HAS NOT IDENTIFIED A SAFETY RELATED DEFECT TREND AT THIS TIME.FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING THAT A SAFETY RELATED DEFECT DOES NOT EXIST.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF FUTURE CIRCUMSTANCES WARRANT.
PE03058 · Engine Crankshaft Pulley Failure
Opened Dec 17, 2003 · Closed Apr 22, 2004
Status: closed (inferred from source dates) · Engine And Engine Cooling:engine:gasoline:belts And Associated Pulleys
THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED THIS PRELIMINARY EVALUATION TO INVESTIGATE ALLEGATIONS OF ENGINE CRANKSHAFT PULLEY HARMONIC BALANCER FAILURE THAT COULD RESULT IN LOSS OF POWER-STEERING ASSIST.ODI HAS RECEIVED A TOTAL OF 546 NON-DUPLICATIVE REPORTS THAT ALLEGE ENGINE CRANKSHAFT PULLEY HARMONIC BALANCER FAILURE ON ALL MERCEDES-BENZ VEHICLES USING THE SUBJECT COMPONENT.THE SUBJECT COMPONENT FAILURES ARE PROGRESSIVE IN NATURE AND ONLY A SMALL PERCENTAGE OF THE COMPLAINTS AND WARRANT CLAIMS INVOLVED A FAILURE THAT HAD PROGRESSED FAR ENOUGH TO EFFECT POWER STEERING PERFORMANCE (6 OF 55 ODI COMPLAINTS REFERENCE INCREASED STEERING EFFORT).THERE HAVE BEEN NO CRASHES OR INJURIES RELATED TO THE ALLEGED DEFECT.A SAFETY-RELATED DEFECT HAS NOT BEEN IDENTIFIED AT THIS TIME AND FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.SEE SUMMARY REPORT ATTACHED FOR FURTHER DETAIL.