2007 Mercedes Benz ML320: complaints, problems and recalls
Explore the records behind recurring owner reports.
Key facts
16 owner complaints analyzed
2 distinct recall campaigns
43,000 mi median reported failure mileage
Scope: 2007 model year. Data snapshot: . 10 complaints include usable failure mileage.
Most common problems
Engine And Engine Cooling is the most frequently named component, appearing in 3 of 16 complaints (18.8%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 5 | 31.3% |
| Electrical and battery issues | 3 | 18.8% |
| Transmission and shifting | 2 | 12.5% |
| Steering behavior | 2 | 12.5% |
| Fuel system concerns | 2 | 12.5% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Engine And Engine Cooling | 3 |
| Seats | 3 |
| Electrical System | 2 |
| Power Train | 2 |
| Service Brakes, Hydraulic | 2 |
| Air Bags | 1 |
| Air Bags:Side/Window:Curtain | 1 |
| Engine And Engine Cooling:Engine | 1 |
Engine And Engine Cooling: 3; Seats: 3; Electrical System: 2; Power Train: 2; Service Brakes, Hydraulic: 2; Air Bags: 1; Air Bags:Side/Window:Curtain: 1; Engine And Engine Cooling:Engine: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 3 |
| 25,000 to 49,999 | 2 |
| 50,000 to 74,999 | 1 |
| 75,000 to 99,999 | 1 |
| 100,000 to 149,999 | 1 |
| 150,000 and above | 2 |
Under 25,000: 3; 25,000 to 49,999: 2; 50,000 to 74,999: 1; 75,000 to 99,999: 1; 100,000 to 149,999: 1; 150,000 and above: 2
Under 25,000 miles has the most reports with usable mileage (3). 6 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2007 | 1 |
| 2009 | 2 |
| 2010 | 1 |
| 2011 | 1 |
| 2012 | 2 |
| 2014 | 1 |
| 2016 | 1 |
| 2018 | 1 |
| 2022 | 5 |
| 2023 | 1 |
2007: 1; 2009: 2; 2010: 1; 2011: 1; 2012: 2; 2014: 1; 2016: 1; 2018: 1; 2022: 5; 2023: 1
Pattern summary
Engine And Engine Cooling leads the component reports. Braking behavior appears in 5 complaint narratives. Electrical and battery issues appears in 3 complaint narratives. Transmission and shifting appears in 2 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Examples from the source records
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10206790 · 2007-10-24 (October 24, 2007)
TL*THE CONTACT OWNS A 2007 MERCEDES BENZ ML320. WHILE DRIVING 60 MPH, ALL OF THE INTERIOR AND INSTRUMENT PANEL LIGHTS ILLUMINATED AND THEN THE ENGINE STOPPED. THE STEERING DIMINISHED AND IT BECAME VERY DIFFICULT TO MANEUVER THE VEHICLE. THE CONTACT PULLED OFF THE ROAD AND THE VEHICLE WAS TOWED TO THE DEALER. THE DEALER STATED THAT THE CRANK SHAFT SENSOR FAILED AND THEY REPLACED THE COMPONENT. THE CONTACT SPOKE WITH MERCEDES, BUT THEY WERE OF NO ASSISTANCE. THE CURRENT AND FAILURE MILEAGES WERE 5,400. THE CONSUMER ALSO ADDED BRAKING WAS D…
Owner-reported narrative. 5,400 miles reported. Look up ODI 10206790 at NHTSA ↗
Owner report 10261009 · 2009-03-07 (March 7, 2009)
ON 2/16/09 WHILE OUT DRIVING WE SMELLED AN ELECTRICAL BURNING ODOR INSIDE OUR 2007 ML320CDI JUST AS WE ARRIVED AT OUR DESTINATION. WE LOOKED AROUND THE VEHICLE AND UNDER THE HOOD TO TRY AND FIGURE OUT WHAT WAS BURNING AND FOUND NOTHING UNUSUAL. THE ODOR WAS GONE BY THE TIME WE GOT BACK IN THE VEHICLE. WE CONTINUED TO DRIVE THE VEHICLE WITH NO PROBLEMS AND NO ODORS UNTIL 2/21/09. ON THIS DAY WHILE RUNNING ERRANDS MY HUSBAND GOT OUT OF THE DRIVERS SEAT, CLOSED THE DOOR WHILE I REMAINED IN THE CAR AND I SAW THE DRIVERS SEAT BACK (NEAR THE DRIVE…
Owner-reported narrative. 27,435 miles reported. Look up ODI 10261009 at NHTSA ↗
Owner report 10280925 · 2009-08-18 (August 18, 2009)
DEAR NHTSA, MY '07 MERCEDES ML-320-CD WAS BOUGHT 'NEW'. THE DEFECT OF A RUN-AWAY, HI RPM REVVING-UP OF THIS DIESEL ENGINE WAS FIRST EXPERIENCED APPROX 21/2 MONTHS AGO. IT HAPPENED SHORTLY AFTER HAVING IT PARKED AT A LOCAL SHOPPING CTR FROM WHICH I DROVE IT ONTO THE MAIN STREET ATA MODERATE SPEED OF LESS THAN 20 MPH. SUDDENLY THE ENGINE REVVED UP TO MAYBE 5 OR 6 000 RPM CAUSING THIS SUV ACCELERATE BEYOND CONTROL. I HAD TO USE BOTH OF MY FEET ON THE BRAKE PEDAL BEFORE PULLING OVER ONTO THE CURB WHERE I TURNED OFF THE IGNITION . AFTER THAT, …
Owner-reported narrative. 16,000 miles reported. Look up ODI 10280925 at NHTSA ↗
Owner report 10368637 · 2010-12-02 (December 2, 2010)
DRIVER HEATED SEAT BACK CUSHION BURNED A HOLE THROUGH THE SEATBACK AND DRIVER'S COAT CAUSING HER TO SWERVE OFF ROAD ... NO COLLISION. CAR HAS 23,000 MILES AND WAS ONLY DRIVEN A MILE BEFORE INCIDENT. *TR
Owner-reported narrative. 23,600 miles reported. Look up ODI 10368637 at NHTSA ↗
Owner report 10393093 · 2011-03-28 (March 28, 2011)
I PURCHASED A USED 2007 MERCEDES ML320 CDI ON MARCH 12. AFTER A WEEK OF DRIVING - I INSPECTED THE ENGINE COMPARTMENT (I USUALLY DO). I NOTICED ENGINE OIL DRIPPING (SMALL BUT NOTICEABLE AMOUNT) ON THE SERPENTINE BELT. I DID NOT THINK IT WAS URGENT - SO I TOOK PICTURES SO I CAN SEND IT TO MY SELLER TO CLAIM WARRANTY. ON MARCH 23, I WAS DRIVING WITH MY FAMILY ON I-65. SUDDENLY, STEERING BECAME VERY HARD. IT WAS A CURVING HIGHWAY SO I WAS FORCED TO GO INTO OTHER LANES. LUCKY, TRAFFIC WAS NOT HEAVY SO I DID NOT SWERVE INTO ANY OTHER VE…
Owner-reported narrative. 36,000 miles reported. Look up ODI 10393093 at NHTSA ↗
Owner report 10454652 · 2012-04-10 (April 10, 2012)
TL* THE CONTACT OWNS A 2007 MERCEDES-BENZ ML320 CDI. THE CONTACT STATED THAT THE FUEL TANK FAILED. WHILE A SERVICE STATION ADDED FUEL TO THE VEHICLE, HE NOTICED THAT FUEL WAS LEAKING TO THE GROUND. THE VEHICLE WAS THEN TAKEN TO THE DEALER. THE DEALER INSPECTED THE FUEL TANK AND FOUND A CRACKED ON THE FUEL TANK. THE DEALER STATED THAT THE FUEL TANK WOULD NEED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE AND CURRENT MILEAGES WERE 110,000.
Owner-reported narrative. 110,000 miles reported. Look up ODI 10454652 at NHTSA ↗
Owner report 10457017 · 2012-05-01 (May 1, 2012)
TL* THE CONTACT OWNS A 2007 MERCEDES BENZ ML320. THE CONTACT WAS DRIVING 55 MPH WHEN THE CHECK ENGINE WARNING LIGHT ILLUMINATED ON THE INSTRUMENT PANEL. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSIS WHERE THE DEALER STATED THAT THE EMISSION CONTROL NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS CONTACTED AND ADVISED THAT THERE WAS NO DEFECT FOUND WITHIN THE VEHICLE. THE FAILURE AND CURRENT MILEAGE WAS 82,000.
Owner-reported narrative. 82,000 miles reported. Look up ODI 10457017 at NHTSA ↗
Owner report 10579606 · 2014-04-14 (April 14, 2014)
YEARS AGO, WHILE DRIVING THROUGH NEW MEXICO, MY DASH AND COMMAND CENTER FLASHED OFF AND REBOOTED. IT WAS A LITTLE CONCERNING BECAUSE WE WERE USING THE GPS EXCLUSIVELY FOR OUR DIRECTIONS. THERE WAS ALSO A TRANSMISSION WARNING LIGHT THAT CAME ON WARNING US TO GET TO THE NEAREST DEALER, WITHOUT SHIFTING GEARS. THIS HAPPENED PERHAPS 10-15 TIMES UNTIL I WAS ABLE TO DETOUR TO THE MB DEALER IN ALBUQUERQUE - ABSOLUTELY WONDERFUL PEOPLE. THEY TOLD ME THAT IT WOULD SOUND STRANGE BUT THE PROBLEM WAS CAUSED BY A FAULTY GLOW PLUG SENSOR OR MODULE - WHICH TH…
Owner-reported narrative. 50,000 miles reported. Look up ODI 10579606 at NHTSA ↗
Recall history
2 distinct campaigns affect this selection. Announcement dates below are different from vehicle model years. A campaign may cover multiple years.
22V315000 · Service Brakes, Hydraulic:Power Assist:Vacuum
Reported: 2022-05-09 (May 9, 2022)
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.
Consequence: Reduced brake performance or brake failure can increase the risk of a crash.
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. Owner notification letters were mailed June 30, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's numbers for this recall are 2022050014, 2022050015 2022090006, & 2022090007.
NHTSA campaign record ↗24V298000 · Service Brakes, Hydraulic:Power Assist:Vacuum
Reported: 2024-04-26 (April 26, 2024)
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.
Consequence: Reduced brake performance or brake failure can increase the risk of a crash.
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. Owner notification letters were mailed on May 24, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MMUSA's number for this recall is 2024050001/2. This recall is an expansion of previous recall number 22V-315.
NHTSA campaign record ↗