Home · 2015 Mercedes-benz Gl-class · Complaints
These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.
4 of 34 complaints match · Seats · clear filters
There are many models of the gl550 ranging from 2012-2015, where the second row driver side seats get stuck in a downward position. Recently it happened to me and another gl550 was in the shop at Mercedes North Houston for repair for the same issue. These are very common in this make and model and something needs to be addressed concerning the matter.
NHTSA ODI 11488454
SECOND ROW HEAD REST DOES NOT ADJUST TO DIFFERENT POSITIONS MAKING IT UNSAFE FOR CHILDREN.
NHTSA ODI 10816202
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
NHTSA ODI 10669746
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.
NHTSA ODI 10663410
Working with the data? Download all 34 complaints as CSV · fetched from NHTSA July 26, 2026