2017 MERCEDES-BENZ GLS550 Engine Problems
1 NHTSA complaint on file
Engine Issues in the 2017 MERCEDES-BENZ GLS550
1 engine complaint has been filed with NHTSA for the 2017 MERCEDES-BENZ GLS550. Of these, 0 involved a crash, 0 involved a fire, and 0 resulted in injury.
1
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
All Engine Complaints
We had our Mercedes GLS550 2017 with 59,295 overheat and call for immediate shut down on the Massachusetts Turnpike with my wife and child in the car. It was quite a dangerous situation because the failure caused by hose assembly 166-830-15-00 clamp (as described by the dealer as the reason for the loss of fluid and hose failure) caused almost an immediate overheating. The service advisor stated that it is "a quite common failure". I was quite suspicious, because just 11 days prior and 138 miles prior they had performed an Oil Change (Service B9), and thought their mechanic must have damaged the hose fitting they claimed broke. When I looked at the schematic, the fitting is quite close to the Oil Filter Cap, so I assumed that the mechanic accidentally knocked the plastic clamp and broke it. However, they said this was a "normal failure" on these cars. I...