really awful
Crashes / Fires:
0 / 1
Injuries / Deaths:
1 / 0
Average Mileage:
80,167 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.

2004 Mercedes-Benz ML350 accessories - interior problems

accessories - interior problem

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2004 Mercedes-Benz ML350 Owner Comments

problem #3

May 202010


  • 65,500 miles


May 2010 I have problem in my 2004 ML350. My wife turned on the drivers side seat heater to the high setting. Within a short time the heater had burned through the leather seat. The seat caught fire in a small spot ( like a cigarette burn) while my wife was driving and almost caused her to have an accident. This issue is repeated several times in online searches I did for the 03 and 04 ML350. I spoke to a Benz roadside assistance mechanic and he said he has seen this happen before and that it is a short in the seat wiring. He said he would look into it but I have not heard back from him. I am going to call the dealer today.

- Lakewood, CO, USA

problem #2

Feb 082009


  • 102,000 miles
The driver seat heater over-heated and caused a minor burn when I took the car to the dealer. The dealer agreed to pay for half the cost of replacement but would not give the defective part back to me even when I specifically asked for it. While searching for more information, I came across other incidents with this car with the exact same problem.

- Akron, OH, USA

problem #1

Dec 222008


  • 73,000 miles
I have a 2004 Mercedes ML350 SUV and I turned on the seat heater and it got so hot that I had to turn it off. The left side of the seat burned so hot that I had to move my body and weight to my right side because it felt like you were sitting on coals - even through the leather interior. I did not use it again because the weather was not that cold. The next person to use it was my mother. She was driving my car and I was next to her and she turned on her seat heater and after a few minutes she screamed because the heat of the seat heater was so piercing. I turned off the heater immediately and she looked and saw smoke and smelled smoke as well. This is a huge hazard that I have heard other ml's have had as well and the manufacturer of the seat heater should be held accountable, as should Mercedes!!! she swerved off the road and almost hit a car because of the intensity of heat.

- Glen Cove, NY, USA

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