Check engine light illuminated
Mercedes-Benz technical service bulletin LI49.20-P-078714 for 2022-2024 Mercedes-Benz C300.
- Bulletin number
- LI49.20-P-078714
- Component
- Engine
- Summary
- Complaint Check engine light illuminated. Fault code P042000 Current or stored in MRG2 control unit. Cause Catalytic converter not operating efficiently Remedy Replace catalytic converter. Note: Additional hardware replacement is not needed unless other symptoms are present. If there are other faults relating to engine operation, diagnose these separately.
Owners of these vehicles have filed 6 complaints in the engine category.
Vehicles covered
- Mercedes-Benz C300 2022-2024 202220232024
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