FaultScore

FaultScore report

2009 Mercedes Benz ML320 problems

Owners have filed 42 complaints about the 2009 Mercedes Benz ML320 with NHTSA between 2010 and 2022. The largest single group is the engine & cooling. Across this model's run it ranks 9 of 9 worst.

B

FaultScore 28/100

Higher is worse. Measured against the other years of the Mercedes Benz ML320.

How this is worked out

The numbers

42

Complaints

0

Crashes reported

3

Fires reported

0

Injuries reported

58,331 mi

Median mileage at failure

Half of reported failures happened before this

24%

Failed under 36,000 miles

Inside a typical bumper-to-bumper warranty

What kind of bad

The letter says how bad. This says what kind — whether this year drew an unusual number of complaints, unusually dangerous ones, or failures that arrived unusually early.

Complaint volume 18 vs 50 Severity 37 vs 50 Early failure 41 vs 50
The dashed ring is 50 — the national norm. Further out is worse.
Complaint volume — 18
Against the median year of the Mercedes Benz ML320. 50 means typical for this model; 100 means roughly double.
Severity — 37
7.1% of these complaints involved a crash, fire, injury or death, against a national rate of 9.7%.
Early failure — 41
24% of failures with a mileage on record happened under 36,000 miles, against a national rate of 29%.

How 2009 compares with every other Mercedes Benz ML320

Click any bar to open that year's report.

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded

What breaks on a 2009 Mercedes Benz ML320

Every complaint is filed against a part. Follow any row for the complaints about that part alone.

Engine & Cooling 10 23.8%

0 crashes, 1 fires · median 60,000 mi

Fuel & Propulsion 9 21.4%

Median failure at 46,500 miles

Transmission & Drivetrain 4 9.5%

Median failure at 34,500 miles

Body & Structure 3 7.1%

0 crashes, 1 fires · median 86,625 mi

Airbags 3 7.1%

Median failure at 99,000 miles

Electrical System 3 7.1%

0 crashes, 1 fires · median 89,000 mi

Other & Unspecified 2 4.8%

Median failure at 89,396 miles

Brakes 2 4.8%

Median failure at 45,520 miles

Equipment & Accessories 1 2.4%

Median failure at 38,000 miles

Doors, Latches & Locks 1 2.4%

Median failure at 60,000 miles

Tires 1 2.4%

Median failure at 22,000 miles

Windows, Mirrors & Wipers 1 2.4%

Median failure at 60,000 miles

Lights 1 2.4%

Median failure at 50,000 miles

Suspension 1 2.4%

When it fails

Odometer readings owners gave when they filed. About half of all complaints include one.

1,000 – 9,999 miles 1 3.4%
10,000 – 24,999 miles 4 13.8%
25,000 – 49,999 miles 5 17.2%
50,000 – 74,999 miles 10 34.5%
75,000 – 99,999 miles 7 24.1%
100,000 – 149,999 miles 2 6.9%

When owners complained

A spike years after the car went on sale usually means a part wearing out on schedule across the whole fleet — the kind of pattern no single owner can see from inside their own car.

Sep 2010 peak 4 Aug 2022

NHTSA investigations into the 2009 Mercedes Benz ML320

An investigation is the step before a recall: the agency has seen enough complaints to look into a pattern itself. An open one means it thinks something may be wrong and nothing has been fixed yet.

1 investigation is still open.

EA21002 Opened 17 Sep 2021 Still open AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE

Desiccated Air Bag Inflator Rupture

From 2000 through 2017, Takata produced millions of air bag inflators using two types of phase-stabilized ammonium nitrate ("PSAN") propellant -- propellant 2004 and propellant 2004L. After prolonged exposure to high temperature cycles and humidity, inflators using propellant 2004 can degrade, causing the propellant to burn too quickly when ignited. The rapid burning can cause the inflator to rupture during deployment, potentially causing serious or even fatal injury to vehicle occupants. See 2016 Blomquist Report at www.nhtsa.gov/sites/nhtsa.gov/files/documents/expert_report-hrblomquist.pdf.C...

Recalls on the 2009 Mercedes Benz ML320

A complaint is one owner's allegation. A recall is the point at which the manufacturer or a regulator agreed the defect is real and dangerous enough to fix for free — however old the car is.

United States — NHTSA

24V298000

SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2006-2012 ML, GL, and R-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. Moisture may accumulate and cause corrosion in the brake booster housing unit, which can result in reduced brake performance or brake failure.

Risk: Reduced brake performance or brake failure can increase the risk of a crash.

22V315000

SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2006-2012 ML-Class, GL-Class, and R-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. Moisture may accumulate and cause corrosion in the brake booster housing unit, which can result in reduced brake performance or brake failure.

Risk: Reduced brake performance or brake failure can increase the risk of a crash.

16V081000

AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2009-2010 ML320 BlueTec 4Matic, GL320 BlueTec 4Matic and R320 CDI 4Matic, 2011 E350 Cabriolet and E550 Cabriolet, 2009-2011 ML350, ML350 4Matic, ML550 4Matic, ML63 AMG, and C63 AMG, 2010-2011 ML450 4Matic Hybrid, E350 Coupe, E350 4Matic, E550 Coupe, E550 4Matic, and E63 AMG, 2011-2012 GL350 BlueTec 4Matic and R350 BlueTec 4Matic, 2009-2012 GL450 4Matic, GL550 4Matic and R350 4Matic, 2007-2008 SLK280, SLK350, and SLK55 AMG, 2011-2014 SLS AMG Coupe, 2012 SLS AMG Cabriolet, 2013-2014 SLS AMG GT and SLS AMG GT Cabriolet, 2005 C230 Kompressor and C320, 2006-2007 C230, 2006-2011 C350, 2008-2011 C300 and C300 4Matic, 2010-2012 GLK350 and GLK350 4Matic and 2007-2008 Chrysler Crossfire vehicles. Upon deployment of the driver's frontal air bag, excessive internal pressure may cause the inflator to rupture.

Risk: In the event of a crash necessitating deployment of the driver's frontal air bag, the inflator could rupture with metal fragments striking the driver or other occupants resulting in serious injury or death.

Recalls cover specific build ranges, so check your own vehicle by VIN at nhtsa.gov/recalls or, in Canada, Transport Canada.

Complaints that involved harm

Reports where the owner recorded a crash, a fire, an injury or a death.

at 89,000 miles Hampton, VA Fire

STRUCTURE:BODY

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.

NHTSA complaint #11308022 — an unverified report by a vehicle owner.

at 89,000 miles Hampton, VA Fire

ELECTRICAL SYSTEM

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.

NHTSA complaint #11308022 — an unverified report by a vehicle owner.

at 89,000 miles Hampton, VA Fire

ENGINE

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.

NHTSA complaint #11308022 — an unverified report by a vehicle owner.

The most recent complaints

In the owners' own words, exactly as filed with NHTSA.

Lodi, CA

SERVICE BRAKES, HYDRAULIC

The contact owns a 2009 Mercedes-Benz ML320. The contact received notification of NHTSA Campaign Number: 22V315000 (Service Brakes, Hydraulic) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue. The manufacturer was made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.

NHTSA complaint #11477647 — an unverified report by a vehicle owner.

Rock Hill, SC

SUSPENSION

Rear coil springs rusted through and broke resulting in greatly diminished vehicle stability, especially in emergency maneuvers. Have had numerous repair facilities evaluate, including the dealer. All have refused to replace rear springs due to safety risk

NHTSA complaint #11468404 — an unverified report by a vehicle owner.

Rock Hill, SC

STRUCTURE:BODY

Rear coil springs rusted through and broke resulting in greatly diminished vehicle stability, especially in emergency maneuvers. Have had numerous repair facilities evaluate, including the dealer. All have refused to replace rear springs due to safety risk

NHTSA complaint #11468404 — an unverified report by a vehicle owner.

at 89,000 miles Hampton, VA Fire

STRUCTURE:BODY

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.

NHTSA complaint #11308022 — an unverified report by a vehicle owner.

at 89,000 miles Hampton, VA Fire

ELECTRICAL SYSTEM

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.

NHTSA complaint #11308022 — an unverified report by a vehicle owner.

at 89,000 miles Hampton, VA Fire

ENGINE

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.

NHTSA complaint #11308022 — an unverified report by a vehicle owner.

at 100,000 miles Woodinville, WA

ELECTRICAL SYSTEM

ISSUES WITH SUNROOF MB HAS DONE A RECALL ON ALL MODELS OTHER THAN "M" CLASS I'M HAVING ISSUES WITH MY 2009 ML 320

NHTSA complaint #11298653 — an unverified report by a vehicle owner.

Oroville, CA

AIR BAGS

TL* TAKATA RECALL. THE CONTACT OWNS A 2009 MERCEDES-BENZ ML320. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 16V081000 (AIR BAGS); HOWEVER, THE PARTS TO DO THE REPAIR WERE UNAVAILABLE. THE DEALER (COURTESY AUTOMOTIVE CENTER, (530) 345-9444) WAS CALLED AND CONFIRMED THAT THE PARTS WERE NOT AVAILABLE FOR THE RECALL REMEDY. THE MANUFACTURER WAS NOTIFIED OF THE ISSUE AND CONFIRMED THAT PARTS WERE NOT AVAILABLE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT.

NHTSA complaint #11100618 — an unverified report by a vehicle owner.

Portland, OR

AIR BAGS

TAKATA RECALL - ALL THE MERCEDES BENZ LOCATIONS I CALLED (PORTLAND, BEAVERTON, TIGARD, HILLSBOROUGH AND WILSONVILLE), ARE NOT ACCEPTING TO REPLACE THE DEFECTIVE EQUIPMENT AS THEY CLAIM THEY DO NOT HAVE THE REQUIRED PARTS TO DO IT.

NHTSA complaint #11044698 — an unverified report by a vehicle owner.

at 84,251 miles Lodi, CA

UNKNOWN OR OTHER

CPSC:2009 MERCEDES BENZ ML320 WITH APPROVED, DEALER INSTALLED TRAILER TOW HITCH PURCHASED USED ON 9/05/2017. RATED CAPACITY IS 7200 LBS. ON MONDAY, 9/11/2017, ATTACHED AN 2005 AIRSTREAM TRAILER, WEIGHING 5240 LBS. , MOVING OUT OF DRIVEWAY, HEARD A LOUD "POP" SOUND. .ON 9/22/2017, AND CONFIRMED AS FAULTY, DUE TO LACK OF PENETRATION AT THE POINT OF WELDS. *BF...UPDATED 11/14/17 *BF UPDATED 10/16/2017*JS UPDATED 7/27/18

NHTSA complaint #11033689 — an unverified report by a vehicle owner.

at 84,251 miles Lodi, CA

STRUCTURE

CPSC:2009 MERCEDES BENZ ML320 WITH APPROVED, DEALER INSTALLED TRAILER TOW HITCH PURCHASED USED ON 9/05/2017. RATED CAPACITY IS 7200 LBS. ON MONDAY, 9/11/2017, ATTACHED AN 2005 AIRSTREAM TRAILER, WEIGHING 5240 LBS. , MOVING OUT OF DRIVEWAY, HEARD A LOUD "POP" SOUND. .ON 9/22/2017, AND CONFIRMED AS FAULTY, DUE TO LACK OF PENETRATION AT THE POINT OF WELDS. *BF...UPDATED 11/14/17 *BF UPDATED 10/16/2017*JS UPDATED 7/27/18

NHTSA complaint #11033689 — an unverified report by a vehicle owner.

at 94,542 miles Lodi, CA

UNKNOWN OR OTHER

DEALER INSTALLED FLEX-N-GATE TRAILER HITCH, NOT CURRENTLY INCLUDED IN RECALL CAMPAIGN 08V242000. HAVE EXPERIENCED IDENTICAL WELD FAILURE, AS DESCRIBED IN RECALL INFORMATION. WOULD LIKE TO REQUEST EXPANSION OF RECALL TO INCLUDE 2009 MODELS.

NHTSA complaint #11025129 — an unverified report by a vehicle owner.

at 99,000 miles Charlotte, NC

AIR BAGS

I WAS SOLD THIS VEHICLE ON FEBRUARY 27, 2016, AFTER THE RECALL NOTICE WAS RELEASED. THE DEALER DID NOT MENTION A RECALL, AND I HAD NO KNOWLEDGE OF A RECALL UNTIL SEARCHING TODAY. SHOULDN'T THE DEALERSHIP HAVE INFORMED ME OF THE RECALL? DO THEY HAVE ANY CULPABILITY FOR NOT SHARING THIS INFORMATION.

NHTSA complaint #10929745 — an unverified report by a vehicle owner.

at 58,000 miles FT Myers, FL

FUEL/PROPULSION SYSTEM

TL* THE CONTACT OWNS A 2009 MERCEDES-BENZ ML320. AFTER FUELING THE VEHICLE, THE CONTACT NOTICED THAT THE VEHICLE WAS LEAKING FUEL BADLY. THE FIRE DEPARTMENT REMOVED SOME OF THE FUEL BEFORE THE VEHICLE WAS TOWED. THE FAILURE RECURRED FOUR TIMES. THE VEHICLE WAS TOWED TO A DEALER WHERE IT WAS DIAGNOSED THAT THE FUEL SENDER NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED; HOWEVER, THE FAILURE RECURRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 58,000.

NHTSA complaint #10851411 — an unverified report by a vehicle owner.

ELK Grove, CA

POWER TRAIN

ENGINE COOLER SEAL LEAKING MASSIVELY AND LEAKING OIL IN TURBO.

NHTSA complaint #10824460 — an unverified report by a vehicle owner.

ELK Grove, CA

ENGINE

ENGINE COOLER SEAL LEAKING MASSIVELY AND LEAKING OIL IN TURBO.

NHTSA complaint #10824460 — an unverified report by a vehicle owner.

at 35,000 miles Brentwood, CA

FUEL/PROPULSION SYSTEM

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.

NHTSA complaint #10788461 — an unverified report by a vehicle owner.

at 100,000 miles Sharon, MA

ENGINE

OIL LEAKING FROM COIL COOLER, 1-2OZ OVERNIGHT ON GROUND + OIL LOSS AT SPEED.

NHTSA complaint #10763385 — an unverified report by a vehicle owner.

at 45,520 miles ST Petersburg, FL

SERVICE BRAKES

WHEEL SPEED SENSOR (L/F) FAILED ON HIGHWAY AT 50MPH. ALL BRAKES LOCKED UP AND CAR SKIDDED TO A HALT! LUCKILY NO TRAFFIC OR SOMEONE COULD HAVE BEEN KILLED! CAR HAD TO BE TOWED TO A LOCAL MB DEALER. MERCEDES IS AWARE OF THIS ISSUE ... THEY HAVE UPDATED THESE SENSORS BUT ARE NOT REPLACING THEM UNDER WARRANTY (AND OF COURSE THEY ARE GETTING ABOUT $450 PER SENSOR)! MAJOR SAFETY ISSUE! MERCEDES SHOULD RECALL AND REPLACE THESE SENSORS!

NHTSA complaint #10733262 — an unverified report by a vehicle owner.

at 60,000 miles Redmond, WA

LATCHES/LOCKS/LINKAGES:DOORS:LATCH

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

NHTSA complaint #10683919 — an unverified report by a vehicle owner.

at 60,000 miles Redmond, WA

ENGINE AND ENGINE COOLING:ENGINE:DIESEL

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

NHTSA complaint #10683919 — an unverified report by a vehicle owner.

at 60,000 miles Redmond, WA

VISIBILITY

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

NHTSA complaint #10683919 — an unverified report by a vehicle owner.

at 60,000 miles Redmond, WA

ENGINE

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

NHTSA complaint #10683919 — an unverified report by a vehicle owner.

at 58,331 miles Battle Ground, WA

ENGINE AND ENGINE COOLING

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.

NHTSA complaint #10672030 — an unverified report by a vehicle owner.

at 58,331 miles Battle Ground, WA

FUEL SYSTEM, DIESEL

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.

NHTSA complaint #10672030 — an unverified report by a vehicle owner.