2023 Mercedes-Benz GLC 300 exterior lighting problems
10 owner complaints filed with NHTSA name the exterior lighting on the 2023 Mercedes-Benz GLC 300 — 18% of all complaints for this model year.
What owners report
“Second time the rear left tail light not working properly. The parking light stay on after turning vehicle off at time it turns off. The light assembly was replaced by dealership less than a year ago. The light assembly was defective according to the dealership vehicle was purchase 10 prior.”
filed Aug 19, 2024
“I have taken the delivery of this car on May 2023 and has been having many issues including but not limited to rear seatbelt malfunction that needed replacement. Recent major issue is constant 'check engine light on' for various issues. Below is the 'F' and 'I' items from 'initial quick test log'…”
filed Jan 30, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Headlights are missing adjustment prevention caps, which can allow the headlights to be…Campaign 25V365000 · Jun 11, 2025
Exterior Lighting problems in other GLC 300 years
| Year | Reports | Share |
|---|---|---|
| 2024 GLC 300 | 3 | 14% |
| 2021 GLC 300 | 10 | 16% |
| 2020 GLC 300 | 5 | 7% |
| 2018 GLC 300 | 1 | 1% |
Other reported problem areas on the 2023 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.