2009 MERCEDES BENZ ML320 Engine Problems
6 NHTSA complaints on file
Engine Issues in the 2009 MERCEDES BENZ ML320
6 engine complaints have been filed with NHTSA for the 2009 MERCEDES BENZ ML320. Of these, 0 involved a crash, 1 involved a fire, and 0 resulted in injury.
6
Complaints
0
Crashes
1
Fires
0
Injuries
0
Deaths
All Engine Complaints
OUR VEHICLE CAUGHT FIRE. MY WIFE AND I HAD JUST GOTTEN OFF OF THE INTERSTATE WHEN WE STARTED TO SMELL AN ODD SMELL. WE PULLED INTO A HOTEL PARKING LOT WHERE WE STARTED TO SEE SMOKE COMING FROM THE FRONT OF THE VEHICLE. I STOPPED THE VEHICLE IN A HOTEL DRIVEWAY, PUT THE VEHICLE IN PARK. WE GOT OUT OF THE VEHICLE AND SAW FLAMES UNDERNEATH THE VEHICLE. WE CALLED 911 AND HOTEL STAFF TRIED TO EXTINGUISH THE FIRE BUT IT CONTINUED TO GROW. THE FIRE DEPT. ARRIVED AND PUT OUT THE FIRE. PHOTOS ARE ATTACHED.
ENGINE COOLER SEAL LEAKING MASSIVELY AND LEAKING OIL IN TURBO.
OIL LEAKING FROM COIL COOLER, 1-2OZ OVERNIGHT ON GROUND + OIL LOSS AT SPEED.
TL* THE CONTACT OWNS A 2009 MERCEDES BENZ ML320. WHILE DRIVING APPROXIMATELY 60 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE RESTARTED AFTER SEVERAL ATTEMPTS. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO STATED THAT THE CAMSHAFT POSITION SENSOR FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 60,000. UPDATED 4/30/15*CN THE CONSUMER ALSO STATED THE GLOW PLUG CONTROL UNIT, HEAT ELEMENT AND DOOR LOCK FAILED. UPDATED 05/07/15*JB
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. *TR
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. *TR
Other 2009 MERCEDES BENZ ML320 Problem Areas
Fuel System Diesel
5 complaints
Power Train
4 complaints
Air Bags
3 complaints
Electrical System
3 complaints
Engine And Engine Cooling
2 complaints
Engine And Engine Coolingenginediesel
2 complaints
Fuel System Gasoline
2 complaints
Fuelpropulsion System
2 complaints
Structurebody
2 complaints
Unknown Or Other
2 complaints
Exterior Lighting
1 complaint
Latcheslockslinkagesdoorslatch
1 complaint
Service Brakes
1 complaint
Service Brakes Hydraulic
1 complaint
Structure
1 complaint
Suspension
1 complaint
Tires
1 complaint
Trailer Hitches
1 complaint
Visibility
1 complaint