Table 1 shows one common power train related problems of the 2009 Mercedes Benz ML320.
| Problem Category | Number of Problems |
|---|---|
| Power Train problems |
Engine cooler seal leaking massively and leaking oil in turbo.
The contact owns a 2009 Mercedes Benz Ml320. The contact stated that while going approximately 5 mph, the vehicle hesitated to shift into gear. The engine would rev and the vehicle would not respond. The contact then shifted into gear and the vehicle accelerated rapidly. The vehicle was taken to the dealer for inspection and the contact was informed that the failure was unable to be determined. The failure recurred several times later and the contact took the vehicle back to the dealer for another inspection where they informed the contact that the transmission module software needed to be updated. The vehicle was repaired but the failure recurred. The manufacturer was contacted but the contact had not received a response. The failure mileage was 45,000.
Ml320 bluetec, randomly loses power. The power will be restored once the car is turned off and on again. Car has been to the dealer 7 times for repair of this one issue, including twice in a state with limited power. Dealer has done multiple software updates, turbo replacement, exhaust valves replacement and the issue is still present. On one of the last occasions this happened, the car lost power when trying to merge on to the hwy. This almost resulted in me being rear ended by a big rig. Luckily I was able to pull to the shoulder before I was rear ended. This is serious safety concern that needs to be addressed and rectified. As of 02/17/2014 this issue has not been corrected.
This car should qualify as a lemon. We spent over $65k on it new in January of 2009 and it has easily costs us $65k to keep it running since. Something significant breaks on it every 60 days since owning it. The turbo went out most recently after a bad oil seal let oil into it. $6500! the car may have sadly been cursed since day one. Our sales person at Mercedes Benz of sf died right after we bought it. Things started to break immediately after. People ran into it, etc. It has been the worst car owner experience in my life.