What are the reasons for abnormal noise when turning the Mercedes-Benz steering wheel?
2 Answers
The reasons for abnormal noise when turning the Mercedes-Benz steering wheel are lack of lubricating oil in the screws, steering gear failure, and insufficient tire pressure. Lack of lubricating oil in the screws: If there is a lack of lubricating oil in the screws inside the steering wheel, the steering wheel cover needs to be removed to add lubricating oil. This should make the track and rotating shaft smooth. Steering gear failure: The steering gear may also fail. Usually, if the steering is turned too fully during operation, it places a greater load on the steering gear, leading to severe wear and resulting in abnormal noise. It is recommended to inspect and replace the components. Insufficient tire pressure: Insufficient tire pressure or uneven pressure in the left front or right front tires can cause the front of the car to deviate, leading to unbalanced car bearings, misaligned steering gear, and resulting in abnormal noise and deviation.
I've been driving a Mercedes-Benz E-Class for almost three years and have encountered this creaking sound when turning the steering wheel. It could be due to worn-out bearings in the steering column shaft below the wheel, which may produce friction noises from long-term use or rough road conditions. Another possibility is an issue with the power steering pump, such as hydraulic fluid leakage or motor jamming causing abnormal sounds. Sometimes, it's loose suspension components, like an improperly secured tie rod end, making noise when turning. When I dealt with it myself, I first checked if the steering wheel screws were loose, but that didn't help much. Later, at the repair shop, it turned out to be minor parts aging and lacking lubrication. I recommend not delaying and getting the steering and suspension systems checked by professionals early to avoid compromising control safety, as steering issues directly relate to driving risks. Also, try to minimize sudden steering movements to prevent similar problems.
