What are the reasons for the steering failure in Mercedes-Benz C260?

2 Answers
SanNora
09/04/25 4:37am
Mercedes-Benz C260 steering failure may be caused by the following reasons: Steering wheel spiral cable performance issues: The spiral cable has excellent stability and plays a crucial role in the control system, providing significant convenience for the system's operation and greatly enhancing work stability and efficiency. When the spiral cable malfunctions, it reduces stability and makes it difficult to control the vehicle's direction. Cruise control button damage: The lower side of the steering wheel is equipped with additional function buttons, typically including controls for adjusting cabin temperature, turning on/off and controlling the audio system, answering calls, and cruise control switches. Therefore, when these buttons are damaged, the vehicle's directional control may be affected.
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DiEli
09/16/25 5:42am
My Mercedes C260 also experienced heavy steering issues last week. After taking it in for inspection, it was found to be a fault with the power steering motor. This electric power steering system is quite delicate—motor wear or poor electrical contact can cause the power assist to fail. A friend of mine even had a deformed driveshaft at the transfer case connection, which caused severe steering wheel vibrations when turning. Regularly check the steering system for unusual noises or oil leaks, and don’t wait until it completely fails to address the issue. If steering problems arise, pull over immediately—especially dangerous when steering suddenly becomes heavy at high speeds, often accompanied by vehicle drift. It’s recommended to visit a professional Mercedes service center for a comprehensive check, as calibration of the electric power steering module is crucial.
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