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10.0

really awful
Crashes / Fires:
1 / 0
Injuries / Deaths:
1 / 0
Average Mileage:
41,250 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.

2009 Mercedes-Benz ML350 fuel system problems

fuel system problem

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2009 Mercedes-Benz ML350 Owner Comments

problem #4

Apr 132023

ML350

  • miles

A D V E R T I S E M E N T S

Fuel tank on driver side of vehicle is leaking. Heavy gas smell inside car and leakage around fuel tank. Took the vehicle in to mechanic today (04/13/23).

- La Mirada, CA, USA

problem #3

Jul 022015

ML350

  • 72,000 miles
Week of June 27th, I started to note gas fumes coming from my vehicle. Given, I had recently filled up on gas tank, thought it was due to "burn off"... on July 2nd, took my vehicle in for oil change and they noted that they could detect gas fumes coming from under my vehicle and advised to take it to dealership in asap... same day, took it to dealership and after a full inspection of my vehicle, they advised me the fuel sending unit was braking down and needed to be replaced. They advised this was so incredibly rare and should not have occurred. Driving my vehicle was a hazard and could have exploded. Given this is my main vehicle for me and my son, this is very concerning to me!!! and nothing should be braking down at 70,000 miles... my extended warranty did not cover it and it cost me $2000 to have it repaired. Again, no one can advise how this occurred but no one I have spoken to can give me a reason but nothing should be deteriorating on a luxury vehicle.

- Deltona, FL, USA

problem #2

May 062015

ML350

  • miles
The contact owns a 2009 Mercedes Benz ML350. After refueling the vehicle, fuel fumes emitted in and around the vehicle. The vehicle also stalled after the failure. The vehicle was not taken to the dealer. The failure mileage was unknown.

- Anthem, AZ, USA

problem #1

Jan 172015

ML350 6-cyl

  • 93,000 miles
Auto was in forward an at complete stop and driver placed in park but left engine running and exited the car. Car went into reverse and started to accelerate. Driver was knocked to the ground and run over by car. Car was stopped when it ran into building structure.

- Northridge, CA, USA

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