really awful
Crashes / Fires:
1 / 0
Injuries / Deaths:
1 / 0
Average Mileage:
70,549 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2006 Mercedes-Benz ML350 drivetrain problems

drivetrain problem

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2006 Mercedes-Benz ML350 Owner Comments (Page 2 of 2)

« Read the previous 20 complaints

problem #7

Jun 072011

ML350 6-cyl

  • 75,000 miles


2006 Mercedes ML350, front differential worn at ~75000 mileage, that could lead to lockup at any time if not fixed. From talking with the three Mercedes dealerships in my local area, it seems there is a very high incidence of front differential problems on 2006 ml's.

- Sterling, VA, USA

problem #6

May 102011

ML350 6-cyl

  • 80,000 miles
Mercedes Benz balance shaft problem (drivetrain) on 2006 ML350 a technical service bulletin was issued in 2007 by Mercedes Benz but owners such as myself were never notified.

- West Palm Beach, FL, USA

problem #5

Feb 072011


  • 85,448 miles
The contact owns a 2006 Mercedes Benz ML350. The contact stated that the check engine light illuminated. The vehicle was taken to an authorized dealer who stated that the balance shaft and other parts needed to be replaced. The manufacturer had not been notified. The failure mileage was 85,448.

- Hopedale, IL, USA

problem #4

Feb 092009


  • 51,286 miles


2006 Mercedes Benz balance shaft is defective. The defect causes the car to sometimes sputter when accelerating, almost was killed by a truck as I turned left, or stall out completely.

- Gilbert, AZ, USA

problem #3

Aug 202010

ML350 6-cyl

  • 53,000 miles
Around 52,000 miles the check engine light came on. I took the vehicle to a Mercedes Benz dealer service department and was notified that the balance shaft needs to be replaced. In order to replace the balance shaft, the engine needs to be taken out of the vehicle and taken apart. Estimated cost $4,000 to $7,500. The service dept. Told me that it was due to a part that was not hardened properly during manufacturing. There is a technical service bulletin (s-B-03.30/08I) that was originally issued in 2007, however it seems like Mercedes Benz knows that the check engine light (on the majority of these vehicles) will not come on until after 50,000 miles, when the warranty has expired. Since this fix is a huge expense, they are not going to issue a recall even though it is clearly a safety concern. If we would've have continued to drive the vehicle in this condition, eventually the balance shaft would have continued to break its teeth resulting in engine failure. Continuing to drive the vehicle in the condition is not safe, it is a matter of time before the vehicle stops running and the engine would need to be replaced. The service department replaced our balance shaft, the parts used are too numerous to list along with labor codes. Here is a brief breakdown: 28.8 labor hours total $2,940.48, parts $1,263.50 (consumer cost), $925.49 (net cost). The failure has been corrected, however the service dept. Told me all of these vehicles made during this time will eventually have this failure and it's a safety concern, not to mention a very expensive repair. I feel there should be a recall issued for these vehicles and Mercedes Benz should be required to notify consumers of this failure. I was an original purchaser and had mine repaired, however there are people out there buying these vehicles used unaware of the problem, not only stuck with a $4,000 + repair, but also unaware of the safety hazard. Mercedes Benz should take responsibility.

- Maumee, OH, USA

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problem #2

Feb 092009


  • 62,500 miles
Balance shaft on my Mercedes ML350 has worn cam causing checking engine light to come on and the timing to be off. Mercedes service bulletin states that the balance shaft needs to be replaced and that the material of new replacement shaft has been updated. This has happening to nearly all Mercedes Benz equipped with M272 engine up to serial no. 2729..30 468993 or M273 engine up to serial no. 2739..30 088611 and occurs after 55,000 miles. Mercedes wants $4,000 - $6,000 to replace defect part.

- Gilbert, AZ, USA

problem #1

Nov 232008


  • 78,000 miles
2006 Mercedes ML350. Upon turning 78K miles a check engine indicator appeared. Upon examination a sprocket in the timing chain assembly was worn and in danger of failure. Within one day - and with very little effort - I found two others with the same motor having the same problem. Mercedes prides itself on excellent engineering and manufacturing and charged me $50K for such excellence. With this kind of mileage there should be no problem with this type of machinery. Apparently mb agreed. Upon working with a local dealership mb paid 50% of the bill which totaled $4200 with discounts. This item should truly be a recall and should not have cost me a penny. Mb is trying to keep this situation quiet as not to incur extensive damages. I would like to see a recall take place for others who will inevitably have this same experience at some point.

- Spring, TX, USA

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