Mercedes-Benz C63 AMG driver side low beam light not working and intermittent turn signal issue on Mercedes-Benz C63 AMG

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Mercedes-Benz C63 AMG owners report experiencing issues with the driver side low beam light not working, which may be attributed to a faulty bulb or problems with the ballast or electrical connections. These owners often find it essential to check the bulb first and ensure it is the correct type, such as an H7 55W bulb, for proper functioning. Additionally, some owners report intermittent turn signal issues, potentially caused by a bad electrical plug, connector, or harness. It is crucial for these owners to inspect the electrical connections related to the turn signal lights, and if the problem persists, further investigation of the electrical components may be necessary to identify the root cause.

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