Mercedes-Benz C350 inoperable with undetermined issue on Mercedes-Benz C350

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

Problem overview

Some Mercedes-Benz C350 owners report experiencing a range of issues that can render their vehicles inoperable. These include electrical wiring problems that may lead to operational failures, as well as an inoperative run flat indicator error that can signal underlying ABS and ESP faults requiring careful diagnosis. Additionally, some 2015 models have been recalled due to faulty steering mechanisms, which could impact the vehicle's operability. Owners have also noted issues with "bleeding seats" attributed to plasticizer problems in the seat material, as well as airbag-related concerns particularly in models from 2005 to 2014. Battery issues are another common concern, especially for the W/S205 model, where ensuring the main 12v battery is fully charged is crucial for addressing hybrid-related problems. Furthermore, specific engine issues like cylinder misfires, such as code P0301 for misfire in cylinder 1, can cause operational problems under certain driving conditions. Investigating these common problems may help owners identify and resolve the underlying causes of their vehicle's inoperability.

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