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2003 Mercedes Benz ML350

Owner reports · Recalls · Investigations

Fewer warning signs than most model years

Owner complaints for the 2003 Mercedes Benz ML350 are lower than the model-year median of 51.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 19 of 25 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Steering. Review the 11 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Seats. Review the 7 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports4 fire reports2 injury reports

Engine And Engine Cooling complaints

4 reports
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49,492 miles · Apr 5, 2009
Engine And Engine CoolingSteering

IN REGARDING TO SAFETY RECALL #2003-040005: 1. HOSE CLAMP USED TO SECURE THE POWER STEERING FLUID COOLING HOSE TO THE POWER STEERING FLUID COOLER FAILED TO PROVIDE SUFFICIENT CLAMPING FORCE FOR THIS CONNECTION. 2. ITS CONSEQUENCES: A. POWER STEERING PUMP FAILING B. VALVE COVERS LEAKING 3. MERCEDES-BENZ OF SOUTH CHARL…

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IN REGARDING TO SAFETY RECALL #2003-040005: 1. HOSE CLAMP USED TO SECURE THE POWER STEERING FLUID COOLING HOSE TO THE POWER STEERING FLUID COOLER FAILED TO PROVIDE SUFFICIENT CLAMPING FORCE FOR THIS CONNECTION. 2. ITS CONSEQUENCES: A. POWER STEERING PUMP FAILING B. VALVE COVERS LEAKING 3. MERCEDES-BENZ OF SOUTH CHARLOTTE REPLACED POWER STEERING PUMP, REPLACED VALVE COVER GASKETS. TOTAL CHARGES WERE $1,544.62 ($775.40 FOR PARTS, THE REST WAS FOR LABOR). SAFETY RECALL #2003-040005 LETTER STATES THAT "IF YOU HAVE PAID TO HAVE THIS RECALL CONDITION CORRECTED PRIOR TO THIS NOTICE YOU MAY BE ELIGIBLE TO RECEIVE REIMBURSEMENT". I PRESENTED THIS CASE TO MERCEDES-BENZ OF SOUTH CHARLOTTE BUT THEY DENIED MY REQUEST FOR REIMBURSEMENT. I STRONGLY BELIEVE THAT I SHOULD RECEIVE THE REIMBURSEMENT. I HAVE ALL THE DOCUMENT TO SUPPORT THIS CASE. PLEASE HELP US TO INVESTIGATE THIS MATTER. THANK YOU IN ADVANCE FOR YOUR ATTENTION AND TIME. *TR

NHTSA ODI #10264171

93,000 miles · Jun 2, 2008
Engine And Engine Cooling

I OWN A MERCEDES ML 350 2003; WHILE DRIVING THE CAR TO WORK THIS MORNING THE CAR STOPPED ACCELERATING, BECAME DISABLED AND STEERING, BECAME IMPOSSIBLE. THE CAR SLOWED ON ITS OWN WHILE I WAS IN TRAFFIC ON A MAJOR ROAD WITH SPEED LIMITS UP TO 40 MPH AND I WAS UNABLE TO MOVE THE CAR INTO THE SHOULDER CREATING A MAJOR SAFETY ISSUE.…

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I OWN A MERCEDES ML 350 2003; WHILE DRIVING THE CAR TO WORK THIS MORNING THE CAR STOPPED ACCELERATING, BECAME DISABLED AND STEERING, BECAME IMPOSSIBLE. THE CAR SLOWED ON ITS OWN WHILE I WAS IN TRAFFIC ON A MAJOR ROAD WITH SPEED LIMITS UP TO 40 MPH AND I WAS UNABLE TO MOVE THE CAR INTO THE SHOULDER CREATING A MAJOR SAFETY ISSUE. EVENTUALLY THE CAR COASTED ONTO THE SHOULDER AND ALL LIGHTS BECAME ILLUMINATED ON THE DASHBOARD. UPON HAVING IT TOWED TO MERCEDES BENZ I WAS TOLD THAT IT WAS INITIALLY A KEY FAILURE IN WHICH COMMUNICATION BETWEEN THE KEY AND THE COMPUTER IN THE CAR COULD BE LOST WHICH WOULD RESULT IN A LOSS OF POWER TO THE VEHICLE. AFTER MY REACTION WHICH WAS "AND YOU GUYS ARE COMFORTABLE WITH THAT" I WAS TOLD THAT INSTEAD IT WAS THE CRANK SHAFT SENSOR. CURRENTLY MERCEDES HAS A RECALL PENDING OR BEING CONSIDERED ON ONE OF THERE 2007 MODELS FOR THE SAME PROBLEM, BUT THIS WAS NOT COVERED UNDER WARRANTY AND IS NOT CURRENTLY A RECALL, BUT SHOULD BE. THERE ARE NUMEROUS COMPLAINTS ON THE WEB REGARDING THIS ISSUE. *TR

NHTSA ODI #10229634

35,000 miles · Feb 3, 2006
Engine And Engine Cooling

DT*: THE CONTACT STATED WHILE DRIVING 50MPH THERE WAS A NOISE COMING FROM THE ENGINE. THE POWER STEERING WENT OUT PREVENTING THE VEHICLE FROM TURNING. AFTER THE VEHICLE WAS PULLED OFF THE ROAD SIDE A WARNING LIGHT ILLUMINATED ON THE DASH. THE VEHICLE WAS TOWED TO A DEALERSHIP WERE IT IS CURRENTLY BEING INSPECTED.

NHTSA ODI #10149378

19,000 miles · Sep 7, 2005
Engine And Engine CoolingSteering

STEERING IS MAKING A WHEEZING NOISE AND IT FEELS HARD TO STEER COMPARED TO OTHER VEHICLES. ENGINE FELLS LIKE STALLING AFTER HITTING BRAKES; ENGINE IS SHAKING ON THE DRIVE MODE WHEN YOU ARE NOT MOVING AND ON BRAKE MODE; MORE THAN 10 TIMES, WILL TAKE TO THE DEALERSHIP SOON. *NM

NHTSA ODI #10135564

Official recalls

0

No recalls in this snapshot.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.