There are 2 stored owner reports matching the powertrain & transmission leading-label group for the 2019 Mercedes-Benz GLS-Class in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)the vehicle suffered a sudden and catastrophic engine failure while being driven on the freeway at about 60mph. The engine seized and the vehicle lost propulsion creating a serious safety concern
When I attempt to shift from park to to drive or reverse or even neutral the car wont respond. this has happened a couple of times in the last two months. I press on the brake in order to shift and it wont respond to any commands . I then have no choice but to turn off the car and then turn it back on. that usually works. this is unsafe if i was at an open parking lot or even on the street doing a U-turn and I don't turn right then having to reverse and the car doesn't respond. very scary stuff.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Aug 31, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.