2023 Mercedes-Benz GLC 300 check engine light reports

12 NHTSA complaints describe persistent or recurring check-engine warnings on the 2023 Mercedes-Benz GLC 300 — roughly 22% of all complaints for this model year.

Check engine light reports

22%

share of complaints

—

median reported incident mileage (all complaints)

Components reported on this vehicle

Electrical System 30 Engine 15 Exterior Lighting 10 Forward Collision Avoidance 7 Lane Departure 6 Fuel/propulsion System 5

Check engine light in other GLC 300 years

2024 GLC 300	6
2021 GLC 300	15
2020 GLC 300	10
2018 GLC 300	10

GLC 300 check engine light by year →

Symptom counts come from keyword analysis of complaint narratives. One complaint can describe several symptoms, and classification is approximate — read the underlying reports on the full 2023 Mercedes-Benz GLC 300 report before drawing conclusions.

Check engine light across all vehicles →