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2003 Mercedes Benz ML500

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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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: 8 of 13 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.

  • Engine. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Seats. Review the 3 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 reports2 fire reports1 injury reports

Fuel System, Gasoline complaints

1 reports
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81,000 miles · Jun 26, 2015
Fuel System, GasolineService Brakes

TL* THE CONTACT OWNS A 2003 MERCEDES BENZ ML500. WHILE DRIVING APPROXIMATELY 40 MPH, THE BRAKE PEDAL WAS DEPRESSED AND FAILED TO RESPOND INTERMITTENTLY. THE ABS WARNING LIGHT ILLUMINATED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 81,000...UPDATED 08/06/15 *BF…

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TL* THE CONTACT OWNS A 2003 MERCEDES BENZ ML500. WHILE DRIVING APPROXIMATELY 40 MPH, THE BRAKE PEDAL WAS DEPRESSED AND FAILED TO RESPOND INTERMITTENTLY. THE ABS WARNING LIGHT ILLUMINATED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 81,000...UPDATED 08/06/15 *BF THE CONSUMER STATED TWO LINES FROM THE RESERVOIR TO THE HYDRAULIC PRESSURE REGULATOR FAILED. FURTHER INVESTIGATION REVEALED ALL THE BRAKE LINES HAD SEVERE PITTING AND CORROSION , AS WELL AS THE FUEL LINES. UPDATED 08/13/15*JB UPDATED 8/28/15*CN UPDATED 09/01/15*LJ UPDATED 09/08/15*JB UPDATED 10/01/15*LJ UPDATED 10/31/2017*CN

NHTSA ODI #10730545

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.