Mercedes-Benz C43 AMG engine replacement failure and systemic issue on Mercedes-Benz C43 AMG

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

Problem overview

Some Mercedes-Benz C43 AMG owners report experiencing serious engine-related problems, including incidents where a piston has gone through the engine block, necessitating engine replacement. Additionally, some owners have reported systemic issues such as misfires, excessive oil consumption, overheating, and timing chain problems, all of which can significantly affect the vehicle's performance and reliability. It is crucial for owners facing these engine issues to seek prompt assistance from qualified professionals to prevent further complications and to stay informed about common problems reported by other owners for better maintenance and repair decisions.

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