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2005 Mercedes Benz E320: check engine light

13 of the 231 complaints about the 2005 Mercedes Benz E320 describe check engine light.

owner complaints
13
of this car's complaints
6%
typical mileage
88,700
recalls
0
Is there a fix? 8 service bulletins cover this area of the car. See below

Check engine light by model year

  • 2009
    1
  • 2008
    1
  • 2007
    1
  • 2005
    13
  • 2004
    5
  • 2003
    10
  • 2001
    2
  • 1999
    3
  • 1998
    3
  • 1997
    1
  • 1996
    2
  • 1995
    11

What owners say

Filed Feb 5, 2018 · Electrical · 195,100 miles · CA

The car is being hacked into by multiple individuals across triple cities. The hackers are able to lock and unlock the doors, shift gears, turn on the check engine light, control the radio and cd player, open the hood to steal oil and control the complete functionality of the car. Including turning on the cabin lights, blacking out the odometer along with the fuel gauge, and shutting the car off when desired this includes in the middle of the street. Because they can unlock the doors and roll down the windows they have access to the hood and gas door. This allowed them to break the radiator, damage the catalytic converter, and steal gas. Also since the hackers have access they have destroyed the drivers seat, crack the wood on the steering wheel and door trim, removed the right and left front doors, and destroyed the center arm rest. The rf field is controlled by them, and loud cracking sounds are remotely introduced when the car is stationary and key removed. The tele- aid is also activities remotely on occasion as well. The fbi has been notified numerous times to no avail along with the car maker who told me not to contact them again. Three dealerships checked out the car and none knew how to deal with the issue. Mercedes benz in germany was notified by emai and said mercedes USA has my information I'm their legal department. This was over 2 years ago with no contact from them regarding this issue. All attempts to reach them by phone via customer service has failed. Multiple police reports have been made with several police departments.

Filed Feb 22, 2016 · Electrical · 88,700 miles · TN

Bought used one owner car w/88,500 miles in july 2015. After driving only 200 miles check engine light came on, engine would turn over but not start, it was towed to repair shop. Codes read crankshaft sensor, generator. Mechanic replaced crankshaft sensor and repaired wire to it. Did not replace alternator. Called and advised car was ready for pickup. Picked up car and drove less than 2 miles and check engine light came on again. Took back to mechanic who removed codes. Drove another 5 miles and check engine light came on again. He didn't answer phone, drove home in limp mode where it sat for over a month when another mechanic was willing to tackle job. He put on new alternator and drive belt. Crankshaft sensor was bad again and he replaced it. Car would not start. Towed to mb in franklin, tn who said ECM/ ecu module bad. Replaced it and then said batteries bad, and alternator bad. They replaced batteries but local mechanic told them alternator was working fine when it was put in car. Car towed back to local mechanic who checked and said alternator was indeed bad now and he replaced it with one he checked out again before installing. Now the alternator was not being allowed to charge the system and is being towed back to mb in franklin, tn. After searching the internet I found that mb has been installing defective wiring harnesses in their cars since the 1990's and they know it but will only replace the defective harness to those to yell the loudest because there are supposedly millions on cars on the road just waiting to short out expensive parts and cause owners costly repairs. I am yelling at the top of my voice for you to go after them with a vengeance and make them do the repairs. I have spent over $4000. Already on this car which should have been fixed by them at their expense. The covering on the wires gets brittle and shorts out various..

Filed Jun 16, 2015 · Fuel system · CA

The check engine light has been coming on since 2008 and the fuel gauge does not show the correct about of fuel since 2009. Repairs were done but the problems was never completely fixed. Now the car is being hacked into across multiple locations by several different individuals. Besides taking control over the ,vehicle functionality, tele-aid, cd player, brakes, lock and unlock the doors at will, and the increase rf in the car, the hacker can turn on and off the check engine light and control the fuel gauge. Mercedes benz USA was contacted regarding the problem and I was told to never contact them again. They also said an attorney would send me a letter stating their position. It has been almost two years, and I have yet to receive it. The first letter I sent to the company regarding this matter was sent directly to [xxx] cannon the ceo of the USA branch. The second letter was sent to [xxx]. Chairman of the board of management at daimler ag and the head of mercedes benz cars in germany. A representative from [xxx]. Office said this problem is the responsibility of mercedes benz USA and the matter is in the legal department of mercedes benz USA. I have tried to contact mercedes benz USA after the response from germany and was told not to contact them again regarding my car. Information redacted pursuant to the freedom of information act (foia), 5 u.s.c. 552(b)(6).

Filed Aug 20, 2014 · Fuel system · 80,000 miles · SC

Start date is approximate. This issue has been going on for around 4 years. Car has smelled strongly of gasoline when filled over 3/4 a tank. Also, when filled over 3/4 a tank gas can be seen dripping down beside driver side rear tire. Have spent several hundred dollars trying to get issue fixed until I heard about the investigation. The "check engine" light is continuously on due to a "fuel system leak." who knows how much this has cost me in wasted gas, and I'm constantly afraid someone is going to light a cigarette next to my car and blow themselves up.

Filed Apr 2, 2014 · Fuel system · 100,000 miles · VA

We start notice gas fumes smell when we filled our mercedes-benz up with gas & as we drove our vehicle the gas smell would stop, approximately 30 miles plus. As the months went on the incident would get worst at each fill-up. Sometime around february the check engine light came on so we took the vehicle to repair shop & they found gas leakage around the fuel pump under the back seat. As of today the issue is still going on with the gas smell.

Filed Jan 3, 2014 · Fuel system · 115,000 miles · VA

Tl* the contact owns a 2005 mercedes benz e-320. The contact stated that while driving 65 MPH, the check engine warning lamp illuminated. The vehicle was taken to the dealer. The technician diagnosed that the left fuel sending unit was leaking and as result, the sending unit needed to be replaced. The manufacturer was not made aware of the failure. The vehicle was not repaired. The VIN was not available. The failure and current mileage was 115,000.

Filed Sep 26, 2013 · Fuel system · 114,000 miles · FL

Our car was purchased off lease around november 2008. It had 47,000 miles on it when we purchased it. We noticed that when we filled the gas tank up the gas fumes were strong in the garage since the time we purchased the car. In march 2012 the check engine light came on while on a trip shortly after that gas tank was filled. I read the manual and stopped by an auto zone and they told me it was probably due to the gas cap being loose and the fuel tank loosing pressure and they cleared the warning. The light has come on a few times since then and I have had it cleared twice at auto zone since I did not think there was a big problem and I was in between services. Within the last six months I have had it the mercedes service department and they told me they did not know why the check engine light was on and that they did not have enough time to find out what was wrong. Yesterday, september 25, 2013, I went to a mercedes benz specialists, local mechanic that only works on mercedes and uses mercedes parts, for an annual oil change and checkup and asked him to check out the problem that the mercedes service department did not know what was wrong. He tested the fuel tank using a system to detect leaks and noted that the top of the fuel tank had a crack and I need to replace the fuel tank and it would cost $2,082. Over the past few years I just filled the tank to half or three fourths so it would not emit fumes, however, I filled it up for a trip last week and you could smell the fumes badly in the car. Our car has about 134000 miles on it now.

Filed Jul 29, 2013 · Fuel system · 71,748 miles · NC

In 2009 we started to notice the smell of gasoline coming into the passenger compartment and strongly from the left read wheel well following filling the tank with gas. At times the smell of gasoline would be so strong that the vehicle had to be parked outside of the garage and left open to vent the interior. In all, this vehicle has been serviced for this issue with the fuel sending seals or the fuel sending unit 9 times. All instances, save one, were reported by the dealer to be the seals as the culprit. I have all of my service documentation on these service events. Recently, as a result of a "check engine" light, my mechanic found again that the seal was leaking. On this occasion he reported fuel pooled on the top of the tank and evidence that fuel had been spilling around and down the tank. ..updated 09/30/13 *bf *tr updated 11/1/2013

Filed Jul 23, 2013 · Engine, Locks · CA

Tl* the contact owns a 2005 mercedes benz e320. The contact stated the engine failed to operate at startup. The vehicle was towed to an authorized dealer for diagnosis. The failure recurred several times and the vehicle was taken to the dealer for each failure. The dealer was unable to locate the defect each time. The manufacturer was notified of the problem. The approximate failure mileage was unavailable. Updated 12/26/13*cn the consumer stated the vehicle can not be driven, because the check engine light is on, and the vehicle is leaking large amounts of oil. The motor mounts, transmission mounts, thrust arms, bearings and bushings were all replaced. The consumer stated the vehicle would lock on its own, after she un-locked it. The incidents happened several times. Also, there was an unusual sound coming from the vehicle, when it was stationary. Updated 02/05/14

Filed Sep 28, 2011 · Fuel system · 70,000 miles · TX

Tl* the contact owns a 2005 mercedes e320. The contact stated that the check engine light illuminated, so the vehicle was taken to an authorized dealer and she was informed that the fuel tank was leaking. The contact was also informed that the leak was located at the top of the fuel tank. As a result, a strong odor of fuel would emit from the vehicle during the first fifty miles of driving after refueling. The vehicle was not repaired. The failure mileage was 70,000 and the current mileage was 83,000.

Filed Aug 6, 2011 · Electrical, Engine · 62,000 miles · SC

Vehicle was acting normally up to incident. Entering highway accelerating like normal and pulled out in front of tractor trailer when suddenly car had dramatic and frightening loss of power. Full throttle did nothing. Downshifting did nothing. With truck horns blaring and near collision, I pulled off the road. Restarting cleared the problem. Dramatic loss of power has occurred three more times with no warning nor check engine light. Now light comes on with egr out of range code. Discussing this with other mercedes diesel owners points towards soot clogged egr valve and soot clogged intake manifold. How such a problem could occur so frequently at such a low mileage with a company known for diesels is unknown.

Filed Feb 18, 2011 · Fuel system · 49,000 miles · TN

Tl*the contact owns a 2005 mercedes-benz e320. While the vehicle was parked he noticed a gasoline odor and a leak on the garage floor. The contact started the vehicle and the check engine light illuminated on the dashboard. The vehicle was taken to an authorized dealer for the failure. The dealer performed a diagnostic test and it was determined that there was a spurge leak. The dealer performed a smoke test which did not determine the cause of failure. The computer was reprogrammed on january 12, 2009. The contact noticed a fuel smell every time he added fuel to the vehicle after the dealer reprogrammed the computer. The vehicle was taken back to the dealer on may 6, 2010. The dealer replaced the fuel seal in the fuel tank sending unit. The vehicle was taken back to the dealer on january 31, 2011 and the dealer advised him that the fuel tank needed to be replaced. The vehicle was not been repaired since the fuel tank was no longer under warranty. The failure mileage was 49,000 and the current mileage was 70,000. Updated 04/08/11*lj updated 12/28/2011

Questions about the 2005 Mercedes Benz E320 check engine light

Is check engine light a common problem on the 2005 Mercedes Benz E320?

13 of 231 owner complaints about the 2005 Mercedes Benz E320 (6%) mention check engine light. The model year with the most reports is 2005.

Is there a recall or service bulletin for this on the 2005 Mercedes Benz E320?

There are 0 recalls and 8 service bulletins for the same area of the car. Check them below with your VIN.

Other symptoms on the 2005 Mercedes Benz E320

Fuel smell 74Fuel leak 39Fuel gauge 25Brake failure 20Airbag light 13Fuel pump 11ABS 5Stalling 5

All model years of the Mercedes Benz E320

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