2009 Mercedes Benz ML320
Only 28 complaints on file — too few for a fair verdict.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
Only 28 complaints on file — too few for a fair verdict. The data below is complete but unranked.
COMPLAINTS PER YEAR
View as data table
| Year | Complaints |
|---|---|
| 1998 | 133 |
| 1999 | 125 |
| 2000 | 166 |
| 2001 | 136 |
| 2002 | 88 |
| 2003 | 22 |
| 2005 | 5 |
| 2006 | 1 |
| 2007 | 16 |
| 2008 | 21 |
| 2009 | 28 |
KNOWN PROBLEM AREAS
Only 28 complaints on file for this model year -- too few to rank by share. Raw counts only, below.
6 of 28 total reports mention: engine.
FIREShow complaint excerpts
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.
NHTSA ODI report, 20200209
5 of 28 total reports mention: fuel system, diesel.
Show complaint excerpts
LETTER FROM REGARDING NUMEROUS ISSUES AND TROUBLES HE HAS FACED SINCE THE PURCHASE OF HIS MERCEDES-BENZ VEHICLE, A 2009 ML320 BLUE TEC DIESEL ENGINE SUV; SEEKING ASSISTANCE-HE WOULD LIKE ACKNOWLEDGEMENT OF RECEIPT OF THIS COMPLAINT *TGW THE...
NHTSA ODI report, 20121018
I HAVE A 2009 MERCEDES BENZ ML320 BLUETEC THAT HAS ISSUES WITH STARTING THE ENGINE WHEN WARM. THE CAR WILL CRANK BUT NOT START. *TR
NHTSA ODI report, 20100901
4 of 28 total reports mention: power train.
Show complaint excerpts
TL* 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.
NHTSA ODI report, 20120615
3 of 28 total reports mention: electrical system.
FIREShow complaint excerpts
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.
NHTSA ODI report, 20200209
3 of 28 total reports mention: air bags.
SAFETY TIMELINE
Mercedes-Benz USA, LLC.
Remedy: MBUSA will their notify owners, and Fiat Chrysler will notify the affected Chrysler owners. Dealers for the respective brands will replace the driver's frontal air bag module, free of charge. This recall began November 2016.
Campaign 16V081000 — check if this car was fixed
Desiccated Air Bag Inflator Rupture
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.
Remedy: Owners are advised not to drive their vehicles until the remedy has been performed. Dealers will remove the rubber sleeve, inspect the brake booster, and as necessary, replace the brake booster. All repairs will be performed free of charge.
Campaign 22V315000 — check if this car was fixed
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.
Remedy: Owners are advised not to drive their vehicles until the remedy has been performed. Dealers will remove the rubber sleeve, inspect the brake booster, and as necessary, replace the brake booster. All repairs will be performed free of charge.
Campaign 24V298000 — check if this car was fixed
BUY-SMART CHECKLIST
2009 Mercedes Benz ML320 — pre-purchase inspection
- Test/inspect for engine issues (6 reports on file for this year).
- Test/inspect for fuel system, diesel issues (5 reports on file for this year).
- Test/inspect for power train issues (4 reports on file for this year).
- Verify recall 16V081000 (air bags) has been completed.
- Verify recall 22V315000 (service brakes, hydraulic) has been completed.
- Verify recall 24V298000 (service brakes, hydraulic) has been completed.
FAQ
Is the 2009 Mercedes Benz ML320 reliable?
There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
What are the most common problems with the 2009 Mercedes Benz ML320?
The most-reported component is engine, accounting for 21% of complaints on file.
How many recalls does the 2009 Mercedes Benz ML320 have?
3 recalls on file for this model year.
Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.