really awful
Crashes / Fires:
0 / 23
Injuries / Deaths:
10 / 0
Average Mileage:
71,870 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.

2007 Mercedes-Benz GL450 accessories - interior problems

accessories - interior problem

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2007 Mercedes-Benz GL450 Owner Comments (Page 2 of 2)

« Read the previous 20 complaints

problem #7

Nov 012010


  • 59,000 miles


I turned on my ignition and the driver's side heated seat and immediately started to drive. I traveled about 500 feet and started to smell something burning. I thought it was my neighbor's fireplace, so drove less than 1 mile before I felt intense heat on my left side and saw smoke coming out of the seat. Upon exiting the car, I saw that my seat was on fire. I turned off the heated seat button and the smoke and flame dissipated and then drove right to the dealer, who acted like it was no big deal whatsoever and said this happens because of the design of the wiring and is caused from wear and tear on the wiring from getting in and out of the vehicle. While at the dealership, I encountered an mb S320 owner who came in at the same time I did with the exact same issue. My car is out of warranty so the dealer wanted to charge us for the repair but we told him to talk to his manager because we were calling the newspapers or they were going to cover it. They agreed to replace the heat element and the seat back but refused to deal with the passenger seat. They have ordered the part and are supposed to call us in 3-4 days when the part comes in but we'll see if that happens. The fire originated on the left side of the seat. I'm shocked that the dealer didn't disable the heating mechanism before we left the dealership. I googled this issue and this is a very common problem. I'm now afraid to drive the car, especially with my kids and dog who may have trouble escaping a fire that may very likely happen. Also, once the repair is made (using the same protocol as the current defective wiring), since the cause of the short has not been corrected, this will happen again in another 2 or so years.

- Oak Ridge, NJ, USA

problem #6

Oct 182010


  • 42,000 miles
I was on my way to drop off my daughter for school. I started to smell something burning then I started feeling a burn on my seating area. I pulled over lucky I was next fire department, my daughter and I got off the car as we got off the drivers side seat was on fire. Every one from the fire department came out, they disabled the seat electrical system.

- La Habra Heights, CA, USA

problem #5

Jun 032010


  • 41,428 miles
Driving on hwy with my 3 children in car, I felt as if I had a sticker in my pants. Something was poking me. Then we all smelt something burning, which cdf was parked on the side of hwy so we didn't think anything about it. Then my oldest said "mom there's smoke in the car" I looked back in my review mirror and saw the back of the car full of smoke. I immediately pulled off the side of the hwy and we all exited the car. Upon doing so, I grabbed my personal and important belongings. Noticed the drivers seat had a hole about the size of a nickel in the back portion. Then my kids told me my pants had a hole, and then we noticed my skin had a blister. I had the car towed to the dealer(60 miles) rented a car that held 7 passengers, since I was on my way to pick my parents up from the airport 2 1/2 hours away from our home. Mercedes declines to pay for rental car, took them 20 days to get parts and have it fixed. I am very unhappy with this vehicle and the dealer. They have never been any help since we purchased the car.

- Palo Cedro, CA, USA

problem #4

Jun 162010


  • 24,500 miles


2007 Mercedes GL450- turned on seat heaters and within a couple minutes smelt burning material. Discovered the seat heater was burning a hole in the left side of the driver seat back. Turned off the seat heater but it had already burned a hole about the size of a dime. Took it immediately to the dealer where they stated they have seen the same problem before. They are ordering a replacement seat back, but are not willing to address my concerns about the other seat.

- Renton, WA, USA

problem #3

Dec 112009


  • 32,000 miles
2007 Mercedes GL450 on Dec 11 2009 I noticed the smell of something burning while driving my SUV. Shortly thereafter I felt an intense burning along my left lower back. I immediately pulled over and exited the vehicle. Along the left side back of the drivers seat was a 1.5 X 0.5inch hole burnt through the fabric. I was using the seat heater at the time. The incident damaged my pants and leather jacket.

- Deer Park, NY, USA

problem #2

Sep 272009


  • 37,600 miles
2007 Mercedes gl. Turned on seat warmer, minutes later, both people in car started coughing because of fumes. Driver felt something burning, seat heater burned a hole in leather seat, driver's shirt and on body.

- Tustin, CA, USA

problem #1

Nov 212008


  • 27,088 miles
The contact owns a 2007 Mercedes Benz GL450. While driving 15 mph for approximately five minutes, the contact activated the heated seats. Minutes later, she felt pain on her rear. She noticed that the leather on the front driver's seat was melting and on fire. She safely pulled over and exited the vehicle. She called the dealer and is in the process of having the vehicle inspected. The failure and current mileages were 27,088.

- Waterloo, IL, USA

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