SECOND ROW HEAD REST DOES NOT ADJUST TO DIFFERENT POSITIONS MAKING IT UNSAFE FOR CHILDREN.
2015 MERCEDES-BENZ GL450
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all GL450 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 10 of 18 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Engine. Review the 7 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Seats. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Suspension. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Seats complaints
3 reportsTRIED TO INSTALL CHILD SAFETY SEATS IN 2ND ROW SEATS. THE 2ND ROW HEADRESTS PREVENT THE PROPER INSTALLATION OF THE CHILD SAFETY SEATS. THE HEADRESTS CANNOT BE REMOVED, OR MOVED OUT OF THE WAY SO THAT THE CHILD SAFETY SEATS CAN BE INSTALLED PROPERLY. I HAVE REPORTED TO OUR MERCEDES-BENZ DEALER. THEY ARE WORKING ON A RESPONSE. …
Read full complaint
TRIED TO INSTALL CHILD SAFETY SEATS IN 2ND ROW SEATS. THE 2ND ROW HEADRESTS PREVENT THE PROPER INSTALLATION OF THE CHILD SAFETY SEATS. THE HEADRESTS CANNOT BE REMOVED, OR MOVED OUT OF THE WAY SO THAT THE CHILD SAFETY SEATS CAN BE INSTALLED PROPERLY. I HAVE REPORTED TO OUR MERCEDES-BENZ DEALER. THEY ARE WORKING ON A RESPONSE. *TR
TL* THE CONTACT OWNS A 2015 MERCEDES BENZ GL450. THE CONTACT STATED THAT THE HEADREST PREVENTED THE CONTACT FROM PROPERLY INSTALLING A CHILD SAFETY SEAT IN THE REAR OF THE VEHICLE. THE CONTACT MENTIONED THAT THE HEADREST COULD ONLY BE REMOVED BY THE DEALER. THE VEHICLE WAS TAKEN TO THE DEALER, BUT WAS NOT DIAGNOSED OR REPAIRED. …
Read full complaint
TL* THE CONTACT OWNS A 2015 MERCEDES BENZ GL450. THE CONTACT STATED THAT THE HEADREST PREVENTED THE CONTACT FROM PROPERLY INSTALLING A CHILD SAFETY SEAT IN THE REAR OF THE VEHICLE. THE CONTACT MENTIONED THAT THE HEADREST COULD ONLY BE REMOVED BY THE DEALER. THE VEHICLE WAS TAKEN TO THE DEALER, BUT WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 2,000.
Official recalls
319V787000 · Communication
Nov 1, 2019
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2013-2017 vehicles due to a software fault that may cause the date and time for the emergency call system (eCall) to differ from the actual date and time, potentially relaying an inaccurate vehicle location. For a full list of the affected models visit: https://static.nhtsa.gov/odi/rcl/2019/RMISC-19V787-4620.pdf
Consequence & remedy
Consequence: An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.
Remedy: MBUSA has initiated an Over the Air (OTA) remote update. MBUSA will also notify owners, and dealers will check software for a successful OTA or update the communication module software as needed, free of charge. The recall began December 23, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019120008.
18V272000 · Suspension:front
Apr 27, 2018
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2012-2014 ML350 Bluetec 4Matic and ML550 4Matic, 2012-2015 ML63 AMG 4Matic and ML350 4Matic, 2013-2016 GL350 Bluetec 4Matic, GL550 4Matic and GL63 AMG 4Matic, 2017 GLS350d 4Matic, GLS450 4Matic, GLS550 4Matic and GLS63 AMG 4Matic, 2015 ML400 4Matic, 2016 GLE400 4Matic, GLE350 4Matic, GLE63 AMG 4Matic, GLE63S AMG 4Matic, GLE450 4Matic Coupe and GLE63S AMG 4Matic Coupe, 2015-2016 GL450 4Matic and 2013-2014 GL450 4Matic vehicles equipped with the Active Curve System (ACS). In certain driving conditions, if the oil level in the ACS reservoir is below the minimum level, the oil may foam and leak out of the vent holes in the reservoir cap.
Consequence & remedy
Consequence: The leaking oil in the presence of an ignition source can increase the risk of a fire.
Remedy: MBUSA will notify owners, and dealers will correct the oil level as necessary and replace the reservoir sealing cap to prevent oil foam from leaking out, free of charge. The recall began August 30, 2018. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018070015.
16V900000 · Power Train:axle Assembly:axle Shaft
Dec 14, 2016
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2015 GL350 4Matic Blutec, GL450 4Matic, GL550 4Matic, ML250 Blutec, ML350, ML350 4Matic, ML400 4Matic and 2015-2016 GL63 AMG 4Matic vehicles manufactured September 29, 2014 through March 27, 2015. The affected vehicles have axle bolts on the front and/or rear drive axle carriers that may not have been assembled correctly. As a result, the remaining bolts may fracture.
Consequence & remedy
Consequence: If any of the remaining front or rear axle bolts fracture, the vehicle may be unstable, reducing the handling capability and increasing the risk of a crash.
Remedy: MBUSA will notify owners, and dealers will replace the axle carrier bolts, free of charge. The recall is began February 2017. Owners may contact MBUSA customer service at 1-800-367-6372.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.
Illustration