RoadVitals

2005 Mercedes-Benz E500 Engine Problems

Owner-reported complaints naming the engine system, filed with NHTSA

Data refreshed

Engine reportsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
9
Latest Jul 22, 2025
Share of all reportsThis category as a share of every owner report on file for this model year. One report can name more than one component, so the categories overlap.
6%
of 140 total
Crash or fire reportedReports in this category whose submitter recorded that a crash or a fire occurred. The reporter's own answer on the NHTSA form, not a verified finding.
0
Injuries or deaths reportedTotals the submitters entered on their own reports in this category. Not verified by NHTSA and not a casualty statistic.
0

What this page shows

Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components. Every record below is an owner-reported complaint about the 2005 Mercedes-Benz E500 submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 9 reports on file name it.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Owner reports naming engine

Shown in the owner’s own words, exactly as filed

EngineFuel system
Filed Jul 22, 2025

Car smells like gas. Constantly a couple machanic. Did some repairs. But there’s a small leak as well from a smoke test. Gas leaks in more than one area. Oil leaks everywhere. Evap leak didn’t pass smog. Then went to a smog station and repair. Check engine light back on again. I saw Mercedes had an extended warranty to avoid recalling several safety complaints. I got the car from a guy who never looked into recalls or extended warranty for these complaints. Please help me to get refunded what I payed so far with repairs on gas leaks. Also to repair the whole gas system. It is dangerously ongoing. I never got notified by Mercedes nor did the previous owner.

NHTSA ID
11675235
Incident
Nov 6, 2024
BrakesEnginePowertrain (other)
Filed Jul 24, 2022

I was traveling at about 60mph and started to slow to turn off the highway. Suddenly a red brake warning light came on and it took tremendous pressure to slow the car down and I overshot the turn. Then the car had no power. I was 36 miles from my home. I limped at 5-20 mph to a friends house and had the car towed to my home. There was absolutely no warning of any kind of brake problem. The car was driving just fine before this happened. I believe it could have been a much worse situation had I been in any kind of traffic.

NHTSA ID
11475607
Incident
Jul 13, 2022
Mileage
156,000 mi
EngineFuel system
Filed Jul 8, 2015

TL* THE CONTACT OWNS A 2005 MERCEDES BENZ E500. THE CONTACT STATED THAT THE CHECK ENGINE WARNING LIGHT REMAINED ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE FUEL TANK NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED, BUT THE FAILURE RECURRED. THE CONTACT MENTIONED THAT THERE WAS A MANUFACTURER'S RECALL RELATED TO THE FAILURE, BUT THE VIN WAS NOT INCLUDED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 167,000.

NHTSA ID
10732671
Incident
Nov 14, 2014
Mileage
167,000 mi
EngineSuspension
Filed Jul 5, 2015

SUFFOCATING OIL SMELL INSIDE AND OUTSIDE AUTOMOBILE. PREGNANT WIFE BECAME NAUSEOUS AND HAD TO OPEN ALL WINDOWS AND SUNROOF. PASSENGER FRONT SUSPENSION HAS LIQUID SPLATTERING ON UNDERNEATH OF ENGINE HOOD. SUSPENSION MAKES EXTREME LOUD KNOCKING SOUND WHEN GOING UP HILL OR OVER A BUMP.

NHTSA ID
10732039
Incident
Jul 5, 2015
Mileage
122,000 mi
ElectricalEngine
Filed Jul 2, 2015

ON THREE SEPARATE OCCASIONS, THE ENGINE SUDDENLY SHUT OFF AS THE VEHICLE WAS DECELERATING TO A STOP. TWICE IT OCCURRED AS THE VEHICLE WAS COMING TO A STOP AT A STOPLIGHT AND ONCE IT HAPPENED AS THE VEHICLE WAS ON AN OFF-RAMP, EXITING I-95. ON THE FIRST TWO OCCASIONS, AT THE STOPLIGHTS, THE VEHICLE RESTARTED IMMEDIATELY. ON THE THIRD OCCASION, ON THE OFF-RAMP, THE VEHICLE WOULD NOT RESTART UNTIL IT WAS ALLOWED TO COOL FOR AT LEAST FIVE MINUTES. THIS WAS PARTICULARLY DANGEROUS ON THE OFF-RAMP. AFTER THE THIRD OCCASION, I HAD THE VEHICLE TOWED TO A REPAIR SHOP WHERE IT WAS DETERMINED THAT THE "CRANK POSITION SENSOR" WAS FAILING AND NEEDED TO BE REPLACED. THE ENGINE SHUTTING DOWN AT ANY TIME WHILE THE CAR IS IN MOTION IS A SAFETY HAZARD. OWNERS SHOULD BE NOTIFIED THAT IT CAN HAPPEN AND SHOULD BE URGED TO GET IT CHECKED.

NHTSA ID
10731830
Incident
Jun 25, 2015
Mileage
134,750 mi
BrakesEngineOther / unspecified+2 more
Filed Dec 17, 2013

TL* THE CONTACT OWNS A 2005 MERCEDES BENZ E500. THE CONTACT WAS DRIVING APPROXIMATELY 30 MPH AND APPLIED THE BRAKES HOWEVER, THE BRAKES MALFUNCTIONED AND CAUSED THE CONTACT TO MOMENTARILY LOSE CONTROL OF THE VEHICLE. THE BRAKING POWER REDUCED WARNING LIGHT ILLUMINATED AFTER THE FAILURE OCCURRED. THE VEHICLE WAS TAKEN TO A LOCAL MECHANIC BUT THE FAILURE COULD NOT BE DUPLICATED AND NO REPAIRS WERE PERFORMED. THE VEHICLE WAS LATER TAKEN TO AN AUTHORIZED DEALER, WHO ADVISED THAT THE SBC HYDRAULIC PUMP WOULD NEED TO BE REPLACED. THE CONTACT WAS INFORMED THAT THE MANUFACTURER WAS AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 104,981. UPDATED 01/23/2014 *BF ACCORDING TO THE INVOICE, BOTH FRONT BRAKE HOSES WERE DRY ROTTED AND CRACKED, THE LEFT OUTER AXLE BOOT WAS TORN AND LEAKING, THE SERPENTINE ENGINE BELT WAS BADLY WORN, AND WAS SPLITTING DOWN THE MIDDLE. THE ENGINE COVER GASKETS WERE LEAKING OIL, THE DRIVER'S SUN VISOR WAS DAMAGED AND WOULD NOT FOLD UP PROPERLY, THE TRANSMISSION PILOT BUSHING WAS LEAKING TRANSMISSION OIL INTO THE VEHICLE HARNESS. UPDATED 03/18/14 ..UPDATED 03/18/14 *BF *TR

NHTSA ID
10556396
Incident
Dec 7, 2013
Mileage
104,981 mi
Driver assistanceEnginePowertrain (other)
Filed Nov 22, 2013

CODE: 4A30 ENGINE CONTROL MODULE NOT IDENTIFIED OR INCORRECT CONTROL MODULE. CODE: 54F0 CAN COMMUNICATION WITH CONTROL UNIT TRANSMISSION CONTROL IS SPORADICALLY DISTURBED. SAFETY ISSUE: I RECENTLY GOT OFF THE FREEWAY, CAME TO A STOP, AND THEN ATTEMPT TO PROCEED NORMALLY WITH THE VEHICLE NOW STUCK IN 5TH (OR WHATEVER THE SENSOR CHOOSES) GEAR, AND NO POWER STEERING- THERE IS A REASONABLE USER PRESUMPTION THAT THE CAR WOULD ACCELERATE NORMALLY AND BE ABLE TO SAFELY JOIN TRAFFIC....INSTEAD IT CRAWLS FORWARD AT A FEW MILES AN HOUR INTO POTENTIAL HARMS WAY WITH NO WAY TO ACCELERATE THE VEHICLE NORMALLY, THEREBY LEAVING THE DRIVER AND OUR CHILDREN IN DANGER. I SPEAK FROM PERSONAL EXPERIENCE, AND WOULD NOT WISH THIS TERROR EXPERIENCE ON OUR WORST ENEMY. MERCEDES MONTVALE NJ WILL NOT PARTICIPATE ON FIXING THE CAUSE OF THIS SAFETY ISSUE. *TR

NHTSA ID
10553464
Incident
Jun 13, 2013
Mileage
76,845 mi
EngineFuel systemPowertrain (other)
Filed Oct 31, 2013

I TOOK MY CAR 2005 E500 FOR REGULAR MAINTENANCE AT THE DEALER AND WAS TOLD THE BALL BEARINGS NEEDED TO BE REPLACED IN JULY 2011. THEN AFTER CHECKING EVERYTHING OUT, THE DEALER TOLD ME THE FUEL RING UNDER THE SEAT NEEDS TO BE REPLACED. COST USD 600. ALSO THERE WAS GASOLINE SEEPING OUT OF CAR ONTO THE DRIVEWAY WHEN CAR WAS PARKED. I STARTED SMELLING GASOLINE SMELL IN MARCH 2012. I TOOK THE CAR AGAIN TO THE DEALERSHIP IN JULY 2012 AND THIS TIME THEY REPLACED THE FUEL SYSTEM. COST USD 2100. THERE WERE PUDDLES OF GASOLINE IN MY GARAGE AFTER THE SERVICE. I WAS TOLD THERE MIGHT BE GASOLINE SMELL. AFTER THE SMELL LINGERED AFTER EVERY FILLUP I TOOK THE CAR BACK TO DEALERSHIP. THE DEALERSHIP AGAIN WANTED TO CHARGE ME USD 3000 FOR THE FUEL LEAK BUT I TOLD THEM I JUST FIXED THE FUEL LEAK PROBLEM. THIS WAS IN SEPT 2012. THIS TIME THE DEALERSHIP DIDN'T CHARGE ME ANYTHING. I AGAIN TOOK MY CAR TO THE DEALERSHIP FOR A CHECK ENGINE LIGHT THAT CAME ON IN SEPT 2013 TO MERCEDES BENZ IN GRAPEVINE, TX. I WAS TOLD THERE IS A LEAK IN THE FUEL TANK AND THE COST IS USD 2115. I TOLD THE DEALER ABOUT THE NHTSA INVESTIGATION, CLASS ACTION LAWSUIT FOR THE FUEL SYSTEM ON MERCEDES E500 VEHICLES AND THE SERVICE ADVISOR, MATT PINECREST, TOLD ME THE CASE WAS SETTLED AND MERCEDES WON. THIS IS OBVIOUSLY A FALSEHOOD. THIS PROBLEM HAS NOW TAKEN AN EMOTIONAL TOLL ON ME SINCE I CAN'T DRIVE MY CAR PROPERLY WITHOUT WORRYING. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

NHTSA ID
10550436
Incident
Oct 5, 2009
Mileage
51,000 mi
Engine
Filed Feb 5, 2010

MY CAR IS E500, 2005. IT IS 42,333 MILES BUT IT IS LEAKING RIGHT ENGINE MOTOR MOUNT. WHY DOES IT HAPPEN? DOES IT CAUSE INJURIES OR DEATH? IS IT DEFECT FROM MERCEDES-BENZ? DOES MERCEDES-BENZ NEED TO FIX WITHOUT CHARGE? PLEASE ADVISE. THANK YOU *TR

NHTSA ID
10306846
Incident
Jan 9, 2010
Mileage
42,333 mi

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

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Elsewhere on this vehicle

Data sources

Data on this page last refreshed .