2020 Mercedes-Benz C 300 check engine light reports

5 NHTSA complaints describe persistent or recurring check-engine warnings on the 2020 Mercedes-Benz C 300 — roughly 15% of all complaints for this model year.

Check engine light reports

15%

share of complaints

—

median reported incident mileage (all complaints)

Components reported on this vehicle

Engine 8 Electrical System 4 Forward Collision Avoidance 3 Fuel/propulsion System 3 Power Train 3 Structure 3

Check engine light in other C 300 years

2019 C 300	10
2018 C 300	12
2017 C 300	31

C 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 2020 Mercedes-Benz C 300 report before drawing conclusions.

Check engine light across all vehicles →