2007 Mercedes-Benz GL450 Engine Problems
- Complaints
- 5about this part
- Share
- 4%of 115 total for the year
- Median mileage
- 103,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 5 complaints about the engine of the 2007 Mercedes-Benz GL450, 4% of the 115 complaints for this model year. Where a mileage was given, the median is 103,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I was driving home from work and my transmission began to not shift out of third gear going up a hill.. I took it to the dealer after this happened another 10 times and they said is a intake flap not closing properly and that they couldn't do anything about it. Now its happening so often im afraid to put my children in the car on account that every time it stops shifting when I'm in the middle of traffic and lose all power.”
NHTSA complaint #10560172, filed 2014-01, 79,000 miles“I had just started driving down the road 2 miles and going around 25-30 MPH and the car shut off and the steering wheel locked. There was cars behind me and I was able to put my hazards on. Thankfully cars were coming up to stop sign so I was able to steer off road. Started car up and drove a little further and car shut down again and locked steering repeated 4 more times til was able to get home. I was getting ready to get on freeway with my young kids in the car could have been so dangerous.”
NHTSA complaint #10643079, filed 2014-10, 70,000 miles“The contact owns a 2007 mercedes benz GL450. The contact stated that the vehicle failed to start however, all of the warning lights on the instrument panel were illuminated followed by a warning chime. The contact also stated that there was a leak from the bottom of the vehicle. The vehicle was towed to the dealer for diagnostic testing where the technician recommended a fluid flush and replacing the power steering seal, steering column module, wiring harness, auxiliary battery and transmission. In addition, the contact was advised that an oil change was needed. …”
NHTSA complaint #10490739, filed 2013-01, 103,000 milesRelated service bulletins
- 11031629Oct 30, 2015To enhance the satisfaction of our customers, avoid further costs of litigation and return focus to its core businesses, Mercedes-Benz USA, LLC (MBUSA) entered into a settlement…
Engine: other model years
Other parts of the 2007 Mercedes-Benz GL450
39 complaintsElectrical system
27 complaintsTransmission and drivetrain
17 complaintsSuspension
11 complaintsBrakes
10 complaintsSteering
9 complaintsVehicle speed control
7 complaintsEngine cooling
6 complaintsBody and structure
6 complaintsFuel system
4 complaintsAir bags
3 complaintsEquipment
3 complaints
← All problems reported for the 2007 Mercedes-Benz GL450
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology