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ProblemsByVin Index / 2007-MERCEDES-BENZ-GL-CLASS / COMPLAINTS
Full complaint record · NHTSA

2007 Mercedes-Benz GL-Class owner complaints

123 complaints filed with NHTSA on this vehicle , including 9 reporting a crash, fire, injury, or fatality. Showing the 300 most recent — grouped by category for scanning.

other 9 complaints shown

12/20/2012 80,000 mi Fire ODI #10489393.0

Tl* the contact owns a 2007 Mercedes gl450. The contact stated that while attempting to enter the freeway, the vehicle emitted a strong burning odor from the driver's seat. The contact then felt her skin burning. The contact coasted onto the shoulder and discovered that her clothing was burned and the driver's seat was emitting smoke. The vehicle was taken to the dealer. The dealer did not inspect the vehicle and the vehicle was not repaired. The manufacturer was not made aware of the failure. The failure and current mileage was 80,000.

12/13/2011 68,800 mi 1 injury ODI #10439844.0

I was driving for less than 5 minutes with seat heater on when I felt burning on left side of my lower back. I felt the seat and it was very hot and melting. I immediately turned seat heater off, but I was in traffic and could not stop. The seat began to cool, but I smelled a strong burning odor. When I was able to stop the car, I looked and saw a burn in the seat about the size of a nickel. I took the car to the dealership that day; the service technician acted very surprised and concerned about my seat, and told me that they had never seen problem before. They had me set up a service appointment, the appointment receptionist said "how strange- we had a call yesterday about a gl with the same problem" I had my service appointment today. After inspecting the gl, the service technic

12/12/2009 32,000 mi Fire ODI #10295436.0

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. *tr

12/11/2017 145,000 mi Fire ODI #11053815.0

While driving 2007 Mercedes gl450 with my wife, after driving for 1 miles from our home with front seat heating I felt burn at my back and then my wife saw smoke coming out of the seats, we stoped the car and saw drive seat was burning and made a quarter size hole in the seat, I talked to Mercedes benz of plano but they didn't have a clue. Even now if I turn it on it will catch fire -

12/03/2014 96,000 mi Fire ODI #10662794.0

Tl* the contact owns a 2007 Mercedes benz gl450. The contact stated that while driving approximately 70 MPH, the seat heater was activated and the drivers side seat caught on fire. The contact sustained minor injuries to the lower back and hip which did not require medical attention. A police report was not filed. The dealer was made aware of the failure. The manufacturer was made aware of the problem. The failure mileage was 96,000. The VIN was not available. Pam updated 4/30/15*cn the consumer stated the manufacturer agreed to repair the vehicle if the consumer did not file a complaint with the department of transportation. Updated 10/23/2015 *js

11/24/2008 27,088 mi Fire ODI #10249660.0

Tl*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.

11/20/2021 153,000 mi ODI #11441117.0

The GL450 has the balance shaft problem .It skipped timing and caused major engine failure.. This problem is prevalent for the M273 engine. The parts wear prematurely. The timing is affected and the 4 cam power train misaligns. The engine quits and the repair is usually over 4000.00. It produces 1208 1200 codes along with misfire codes. I feel Mercedes Benz Corp is responsible and has liability for the loss. Thank You. [XXX] INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).

11/18/2020 96,382 mi ODI #11375272.0

On november 17, 2020, I turned my driver seat heater and suddenly smelled something burning. After several minutes driving I decided to turn of the heater, the burning sensation on my back was intense. Once I parked, I noticed a hole in my seat the size of a quarter! I checked my clothing and noticed it melted the elastic part at the bottom my jacket.

11/18/2013 55,000 mi ODI #10552768.0

After about 3 minutes of having my driver's side seat warmer on, we started to smell burning and the left side of my seat got very hot, so I turned off my seat warmer. When I got out of my car, I noticed a burn hole in my sweatshirt and then looked at my seat and it had a burn hole on it about 1/2-1" in size. What would have happened if I didn't turn it off if this happened in about 3 minutes? *tr

electrical 6 complaints shown

24 total in this category · severe · avg repair $850 · see electrical cluster analysis →
12/31/2009 ODI #10297635.0

This complaint is in regards to a 2007 Mercedes gl450. I have had electrical problems with this car from the very beginning. 14 days after purchasing vehicle went into the shop. On 2 occasions my car shut completely down on busy road ways and both times Mercedes did not want to fix the car. Mercedes claimed a drink was spilt in the car on a computer system under the front passenger seat. On the first occasion lights started flashing and with in 30 seconds the car lost all power and had to be pushed off the road way. All of the doors were locked up we finally managed to climb out the drivers side. I had 3 kids in my car and the thought of not being able to get out of this car really concerns me. On the second occasion which was approximatly 2 weeks later the cars windows started ro

12/28/2016 91,000 mi ODI #10937786.0

The ism (intelligent servo module) has failed in many of the similar Mercedes cars that I own. I can not start the car and can not even order this part because only a dealer can install this part. My vehicle is stuck in a parking lot and there is nothing I can do. I think this issue needs to be recalled.

12/08/2014 106,000 mi Fire ODI #10662961.0

I was driving my family to an afternoon lunch on the 5th of december, 2014, the day was chilly and it was a good time to have the heated seats on... After about 10 minutes of driving I noticed a burning smell and thought it was something in the area (it was actually my seat lighting me on fire), needless to say the smell continued to get worse and I knew something was wrong. I looked for a safe area to pull over and identify the source of the smell, before I was able to get off the road my side started smoking and lit on fire. I frantically pulled off the road and jumped out. I then proceeded to rip of my jacket and put out the smoldering section of it. After that I noticed the car was still smoking on the left side of the drivers seat about to go up in flames, at this time my wife was pul

12/04/2014 115,900 mi ODI #10734182.0

After starting vehicle and turning on seat warmers, the car smelled of a burning smell and I felt a very hot spot on my back. I turned off the seat warmers to find a hole burned into the leather. All occurred on the driver's side of 2007 mb gl-450.

11/17/2014 107,260 mi Fire ODI #10658757.0

I was in my 2007 Mercedes gl450 and had driven approx. 2 miles with my front driver's seat heater on. I started to notice a strange smell and suddenly the cabin was starting to fill up with smoke. I immediately stopped the vehicle and discovered the left side of the back of my front drivers seat was on fire. Snow was on the ground so I scooped up snow to pack in the fire/hot spot which had burned a large hole through the vinyl and inside padding material. I later noticed that my jacket had burn marks and a hole in the exact location of the point of the fire. *tr

11/17/2013 109,000 mi Fire ODI #10552653.0

My car caught on fire while driving on highway 580 eastbound in livermore, ca. Other drivers were flagging me to pull over. My car is totally destroyed. It took 3 fire trucks and 1500 gallons of water and foam to put out. There was just under 1/2 tank of gas. *tr

engine 2 complaints shown

6 total in this category · moderate · avg repair $3,100 · see engine cluster analysis →
12/19/2007 11,139 mi ODI #10212299.0

Tl*the contact owns a 2007 Mercedes benz gl450. While driving 65 MPH, the vehicle shut off without warning. The contact pulled to the side of the road and the vehicle was towed to the dealer. The dealer has been unable to determine the cause of the failure. This failure has occurred previously. The current and failure mileages were 11,139.

12/11/2011 105,000 mi ODI #10439305.0

Check engine light-- caused by timing chain and sprocket wear-- common issue with many merz of this type of engine. *tr

airbags 1 complaint shown

12/12/2022 ODI #11497098.0

The steering wheel airbag spontaneously deployed with no prior warning sensors activated or collision (moments after pulling into driveway at home). Mercedes Benz refuses to take any responsibility, or at least inspect and replace the steering wheel and airbag. Driver's arm was partially injured due to deployment, not severe. However the concern remains of whether this could have deployed while driving, causing critical injuries. Should we worry about the remaining airbags spontaneously deploying?

suspension 1 complaint shown

11 total in this category · severe · avg repair $900 · see suspension cluster analysis →
12/10/2012 105,000 mi ODI #10487852.0

Tl* the contact owns a 2007 Mercedes benz gl 450. The contact stated that while driving 30 MPH, the front end of the vehicle suddenly collapsed. Upon inspection, the contact noticed there was no space between the tire and the wheel well. The vehicle was towed to a dealer where it was found that the compressor for the front air suspension had failed. The contact also stated that the air compressor was replaced previously but the failure recurred. The vehicle was repaired. The failure mileage was 105,000. The VIN was not available.

powertrain 1 complaint shown

16 total in this category · severe · avg repair $2,500 · see powertrain cluster analysis →
12/08/2011 70,000 mi ODI #10438988.0

Tl* the contact owns a 2007 Mercedes benz gl450. While driving approximately 40 MPH, the transmission seized and the vehicle abruptly came to a halt. The service engine warning indicator illuminated after the failure occurred. The vehicle was towed to an independent mechanic who stated that the defect was related to internal damage within the transmission. The vehicle was then towed to an authorized dealer for diagnosis. The dealer stated that the transmission would need to be replaced due to faulty cam shaft locking. The vehicle was being repaired. The manufacturer was made aware of the problem. The approximate failure mileage was 70,000. Updated 01/25/12

Showing 300 of 123 total complaints. The full federal record is available at nhtsa.gov/vehicle/2007/Mercedes-Benz/GL-Class#complaints.
Source: National Highway Traffic Safety Administration (NHTSA) owner complaint database. Last synced 2026-06-14. Complaints are owner-submitted and unverified — the existence of a complaint is not proof of a defect, but a pattern of complaints around the same component is a signal worth weighing. Verify any specific filing at nhtsa.gov.
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