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1999 Mercedes Benz ML320 engine problems

35 complaints (28% of all complaints for this car). Typical mileage when it fails: 73,000. 1 crash reported.

owner complaints
35
of this car's complaints
28%
typical mileage
73,000
crashes
1
recalls
0

Which part fails

  • Engine: gasoline: belts and associated pulleys
    13
  • Engine: gasoline
    6
  • Engine
    6
  • Exhaust system: emission control: catalytic convertor
    3
  • Exhaust system: emission control
    1
  • Exhaust system
    1

At what mileage

Complaints by mileage at the time of the problem.

0k-25k
25k-50k
50k-75k
75k-100k
100k-125k
125k-150k
150k-175k
175k-200k
200k+

Mercedes Benz ML320 engine problems in other years

19981999200020012002200720082009

Specific symptoms reported on the 1999 Mercedes Benz ML320 engine

Phrases found in the owners' own descriptions, so one complaint can mention several symptoms.

Loss of power 8Stalling 5

Related recalls

No recalls on record for this model year.

Related investigations

Engine crankshaft pulley failureOpened December 17, 2003, closed April 22, 2004

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 the federal safety agency 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.

PE03058

What 1999 Mercedes Benz ML320 owners say

Most recent owner complaints, unedited.

Filed Oct 6, 2011 · Engine · 72,000 miles · CA

Tl* the contact owns a 1999 mercedes benz ml320. While the contact was driving approximately 35 MPH, the engine stalled with the illumination of the entire instrument panel. The engine failed to restart and the vehicle was towed to an authorized dealer who stated the failure was contributed to the crank shaft position sensor. The vehicle was repaired. The manufacturer was made aware of the problem. The approximate failure mileage was 72,000. Updated 10/31/11 *bf updated 12/08/11

Filed Apr 29, 2009 · Engine · 87,000 miles · CA

Driving home from work the car's idle went to zero. This happened half-way home. Its a 30+ mile drive from work to home. Essentially the car just quit operating while merging on the interstate. Power steering was lost and this left my 8 month pregnant wife stranded in the middle of the merging lane to the interstate without the capability to restart the car. Successive tries to start the car failed. Only after 5 minutes the car was able to start and be pulled over to a safe place. Tried a 2nd time to drive it home and it left me stranded again without it being able to restart. Had to be towed on a flatbed tow truck home the remainder of the drive home.

Filed Apr 23, 2008 · Engine · 139,000 miles · TN

Tl*the contact owns a 1999 mercedes benz ml320. While the contact's spouse was driving approximately 35 MPH, the vehicle completely shut off without warning. The vehicle had to be restarted and was driven to a mechanic. The mechanic discovered that the catalytic converter needed to be replaced. The VIN was unknown. The current mileage was 150,000 and failure mileage was 139,000.

Filed Jan 4, 2007 · Engine, Steering · 129,926 miles · FL

Tl * - the contact received recall 03v121000. The contact took vehicle to mercedez benz of palm beach january 3, 2007, and was denied arecall repair. The contact would like the repairs to be done under the recall. The contact stated that he received the same recall last year and chose not to address it at that time. The vehicle has had several failures , and was now being denied repair service. *ak the cosumer took the vehicle to the dealer and they statedthere was nothing wrog with the vehicle. The consumer sated while driving, the the exhaust broke in half at the weld. Updated 01/22/07.

Filed Sep 7, 2006 · Acceleration, Engine · 78,446 miles · OR · crash

I and my 7 year old daughter and her friend were entering my driveway on aug 14,2006, paused to open my garage door from the car and I was slowly moving in. All of a sudden car went out of my control in a flash that I did not even have time to react. It went and hit our other parked car in the garage with such a huge force that the second car literally went and tore the bedroom wall. Our second car is badly damaged on the front, back and one side (scraping a pole in garage) and wall needs fixing too. I truly suspect there is some mechanical problem for the sudden/unintended acceleration that LED to this unexpected behavior. So far we found the ignition got jammed (could not start and had to be towed in), other than the bumper/front damages. Car is still in the body shop for repairs, once finished it will be taken to the dealer for further analysis and check up.

Filed Nov 7, 2005 · Engine · 72,000 miles · CA

Dt: the contact stated that the catalytic converter cracked along the weld that attaches to the exhaust pipe. This problem can not be corrected due to a lack of parts. There was a temporary weld performed, but it has not corrected the problem.

Filed Aug 3, 2005 · Engine · 72,460 miles · VA

Dt: the consumer stated that e oil filter housing failed. When the filter housing failed the oil sprayed all over the engine and the manifold. The oil had been changed on 7-30-2005. The oil filter on failed on august 1, 2005. The oil filter had been tightened and checked. The vehicle ran normally after the oil was changed and the vehicle was started. The owner changed the oil himself. The oil filter takes 8 ' quarts of oil. Consumer ha not taken the vehicle to the dealership. Instead, he purchased an oil filter,a plastic housing that holds the filter) and corrected the problem himself. Consumer talked to the dealership, and they said that the part was not covered by the warranty. Tconsumer ha not contacted the manufacturer. Consumer said that the oil filter design changed since the oil was changed last, and this new design was suppose to be an improvement.

Filed Nov 29, 2004 · Engine · 73,000 miles · MD

Failure of harmonic balancer, an event that has occurred on many mercedes with this design for the harmonic balancer. New cover, oil pan. And balancer needed.

Filed Sep 23, 2004 · Engine · 87,000 miles · CA

While driving a loud noise came from the front of the engine. I took the car to the dealer and the crankshft pulley has failed making a hole in the oil pan. The pulley and the oil pan were replaced and found out that this kind of premature failures has happened with this model. The dealer will not pick up the full cost for repairs since the car had 85000 miles. I think mb realizes that they have an issue with this type of failures but will not do a recall.

Filed Sep 8, 2004 · Engine · 93,000 miles · NJ

1999 mercedes ml320 harmonic balancer. I was aware of the investigation being performed and had mercedes check the balancer in january. They said it's fine. On 9/6/04, it failed causing $1500 in damage. I was not injured because I knew not to drive the vehicle after failure. Mercedes needs to recall the harmonic balancer. It is failing on most vehicles and causing extensive damage.

Questions about the 1999 Mercedes Benz ML320 engine

Does the 1999 Mercedes Benz ML320 have engine problems?

Owners have filed 35 complaints about the engine of the 1999 Mercedes Benz ML320, 28% of all its complaints, more than any other problem.

At what mileage do 1999 Mercedes Benz ML320 engine problems start?

The typical (median) mileage in owner complaints is 73,000 miles.

Was there a recall on the 1999 Mercedes Benz ML320 engine?

There is no recall for this problem on this model year.

What year does the Mercedes Benz ML320 have bad engine?

The Mercedes Benz ML320 model years with the most engine complaints are 1999 (35 complaints), 1998 (32 complaints) and 2000 (29 complaints).

Other 1999 Mercedes Benz ML320 problems

Steering 29Transmission 19Fuel system 14Brakes 11Acceleration 7Visibility 7Airbags 5Suspension 5Body 4Driver assistance 3Electrical 3Seat belts 3Locks 2Seats 1

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