2019 Mercedes-Benz GLC 300 engine problems
11 owner complaints filed with NHTSA name the engine on the 2019 Mercedes-Benz GLC 300 — 24% of all complaints for this model year.
What owners report
“FIRE! NHTSA Vehicle Safety Complaint – Mercedes-Benz GLC300 Complainant Information: [XXX] [XXX] Phone: [XXX] Email: [XXX] Vehicle Information: 2019 Mercedes-Benz GLC300 4MATIC VIN: [XXX] Purchase Location: Missouri Incident Location: St. Louis, MO Date of Incident: [XXX] Date of Report Submission…”
filed Jul 12, 2025
“- My transmission is malfunctioning. It is available for inspection. - My car is not allowing me to shift from reverse to drive. When I try to put it in drive, it gets stuck in neutral. My safety is at risk as I was trying to do a quick 3-point turn and got stuck in the lane. - Yes, the problem has…”
filed Jun 13, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has determined that on certain MY 2019-2021 C-Class, G-Class, GLC, GT, S-Class (205, 463, 253, 190 & 222 platforms) vehicles, the engine control unit…
Emissions - 2024100016 · Emissions · issued Jul 24, 2026
Engine problems in other GLC 300 years
| Year | Reports | Share |
|---|---|---|
| 2024 GLC 300 | 7 | 33% |
| 2023 GLC 300 | 15 | 27% |
| 2022 GLC 300 | 9 | 16% |
| 2021 GLC 300 | 29 | 48% |
| 2020 GLC 300 | 20 | 30% |
| 2018 GLC 300 | 28 | 32% |
Other reported problem areas on the 2019 Mercedes-Benz GLC 300
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.