hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
61,500 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2003 Mercedes-Benz ML500 fuel system problems

fuel system problem

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2003 Mercedes-Benz ML500 Owner Comments

problem #2

Jun 242015

ML500 8-cyl

  • Automatic transmission
  • 81,000 miles


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 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 updated 8/28/15 updated 09/01/15 updated 09/08/15 updated 10/01/15

- Jackson, NJ, USA

problem #1

Sep 162010

ML500 8-cyl

  • 42,000 miles
While driving in moderate traffic engine stopped. Driver (not me) was very scared and said an accident almost occurred as she maneuvered to breakdown lane without power and no power steering. Second occurrence of sudden engine stoppage while driving with loss of engine power and power steering in this vehicle. Fuel pump had been previously replaced.

- Boca Raton, FL, USA

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