Ecm is malfunctioning and not controlling fuel injection and giving random misfire on cylinders 2, 3, 4, 5, 6. Causing check engine light to come on . Codes 0300, 0302,0303,0304,0305,0306.
Mercedes Benz ML320 check engine light comes on
25 of the 741 owner complaints about the Mercedes Benz ML320 describe check engine light, most of them for the 2000 model year.
- owner complaints
- 25
- worst model year
- 2000
- typical mileage
- 68,000
By model year
- 20093
- 20071
- 20023
- 20013
- 200010
- 19993
- 19982
Often reported together
Stalling 5Loss of power 3Power steering loss 2Fuel gauge 2No deployment 2Airbag light 2
What owners say
Engine light code related to defective heater element in bluetec fluid tank. Mercedes states it is an emissions system but is not covered under emissions warranty. No change in vehicle performance, 35,000 miles.
Check engine light warning with code #20be1b. Repair indicates need of diesel exhaust fluid (def) heater repair kit. Diesel exhaust fluid system is part of emissions system. Mb dealership says no warranty for repair. Internet research widespread problem with def system around 50,000 miles.
My 2002 ml320 cluster display lights on my dash all light up, the check engine light comes on, the speedometer stops working actually goes to zero. Once the car comes to a complete stop it accelerates very slowly and will not shift out of first gear. This is very frightening for someone in traffic and this happens without warning. Please investigate this issue before someone is rear ended and dies.
Letter from regarding numerous issues and troubles he has faced since the purchase of his mercedes-benz vehicle, a 2009 ml320 blue tec diesel engine SUV; seeking assistance-he would like acknowledgement of receipt of this complaint *tgw the consumer stated the first problem he encountered with the vehicle was in may of 2010, within less than a year of purchase, while driving, the gas gauge all of a sudden went from a half tank of fuel, to reading empty, where at that point the fuel light illuminated. Even though he knew the tank was not empty, he stopped to the gas station and re-fueled. However, the tank continued to read empty. About an hour later, the needle moved to the full position. Four to five months later, the check engine light illuminated, along with a blue warning light. The vehicle was taken to the dealer, but nothing was found to be wrong. On another occasion, the vehicle lost acceleration as the consumer was attempting to go uphill on an incline. The vehicle started to slow down in speed. Even trying to pump the accelerator pedal did not help and eventually the vehicle started to stall. The consumer experienced the same failure, several more times after that. The check engine light illuminated several other times as well. The dealer changed the entire computer module. Soon after, the tire pressure light illuminated. Once the tires were checked, the light no longer appeared.
Tl* the contact owns a 2007 mercedes benz ml320. The contact was driving 55 MPH when the check engine warning light illuminated on the instrument panel. The vehicle was taken to the dealer for diagnosis where the dealer stated that the emission control needed to be replaced. The vehicle was repaired. The manufacturer was contacted and advised that there was no defect found within the vehicle. The failure and current mileage was 82,000.
Tl* the contact owns a 2000 mercedes-benz ml320. The contact stated that while driving 20 MPH, the check engine warning light illuminated and the vehicle began to lose power until stalling. The contact was unable to restart the vehicle and it was towed to an independent mechanic where the contact was awaiting a diagnosis of the failure. The manufacturer was contacted and they offered no assistance. The failure and current mileage was approximately 110,000.
2002 mercedes-benz ml320. Consumer is having some warranty repair problems with mercedes-benz. He also states that mercedes-benz is refusing to pay for any recall repairs. *kb the consumer stated noises and lack of power from the vehicle were reported to the dealer. An independent repair shop found dirty solid metal residue in the transmission fluid, there were missing parts in the planetary gear. The cause of damage was faulty assembly of the pins/plugs in the gears, which resulted in the parts becoming loose and breaking the teeth, which caused excessive noise and loss of power, ultimately the transmission was replaced. The power steering was leaking, the brake and engine lights illuminated several times, the catalytic converter was replaced, the door locks had to be repaired, the battery was replaced and the sway bar link bushing were replaced as well. *jb updated 06/01/10.*jb updated 06/04/10.*jb updated 10/18/10*jb updated 10/29/10
Tl*the contact owns a 2000 mercedes benz ml320. The contact received a recall notice for the federal safety agency campaign id number 03v121000 (steering:hydraulic power assist:hose, piping, and connections) and had the necessary repairs performed by the dealer. However, she continued to experience failures with the power steering fluid leaking. The steering wheel became more difficult to turn over time. On a separate occasion, she received a second recall notice for the federal safety agency campaign id number 08v465000 (steering:hydraulic power assist:hose, piping, and connections). The dealer stated that the hose clamp used to secure the power steering fluid cooling hose to the power steering fluid cooler needed to be replaced at the cost of $1,200. The dealer stated that it would be pointless to repair the vehicle according to the recall when additional components were affected as a result of the steering failure. The initial recall stated that consumers who had repairs made before november 23, 2003 could possibly have the hose replaced, if found defective. The contact had repairs made prior to that date. She also experienced failures with the catalytic converter and the check engine indicator continued to illuminate on the instrument panel. After the repairs were made, the check engine indicator continued to illuminate. The dealer could not duplicate the failure and stated that it was not related to the power steering. The failure mileage was 87,582 and current mileage was 190,000.
While driving about 30mph in traffic, esp warning lamp in speedometer illuminated and brakes were automatically applied intermittently causing the vehicle to shake violently. The vehicle continued to stop and go until I was able to cross 2 lanes of traffic to exit to the shoulder. Vehicle was turned off and restarted at which time the bas esp malfunction indicator lamp illuminated. Several attempts to drive the vehicle resulted in the same stop and go action. After turning the vehicle off and on several times the stop and go action ceased but the vehicle felt as though it was pulling a heavy load. I was able to drive the vehicle home in this condition. The next day I started the vehicle and no malfunction codes were displayed. I drove the vehicle around the block without incident. I then drove the vehicle on some errands and, as luck would have it, the stop and go action started again as I was accelerating from a traffic signal about 600 yards from the mercedes repair shop. I left the vehicle with the repair shop and he called a few hours later to say it needed a yaw sensor.
Related recalls
No recalls on record for this model year.
Questions about the Mercedes Benz ML320 check engine light
Why does the check engine light come on in the Mercedes Benz ML320?
Owners who report it most often also describe engine stalls while driving, sudden loss of power and loss of power steering.
Which Mercedes Benz ML320 years have check engine light problems?
The model years with the most reports are 2000 (10 complaints), 1999 (3 complaints) and 2001 (3 complaints).
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