Why Does My Mercedes-Benz Make a Squeaking Noise When I Turn the Steering Wheel?

Steve Mowat

Steve Mowat

Steve Mowat, Owner of Avantgarde Automotive, began as a BMW apprentice in 1997, then excelled at McLaren and Mercedes-Benz. In 2009, he founded his business.

If you’re experiencing a squeaking noise when turning the steering wheel of your Mercedes-Benz, it’s important to identify the underlying issue and resolve it promptly. Ignoring the noise can lead to further damage to your car’s steering system and potentially put you and your passengers at risk.

At Avantgarde Automotive, we’ve been servicing Mercedes-Benz vehicles for over 20 years. In this article, we’ll explore the possible causes of the squeaking noise and provide detailed tips to resolve the issue.

Possible Causes of the Squeaking Noise

There are several possible causes of the squeaking noise when turning the steering wheel, including:

  • Worn power steering belt
  • Low power steering fluid levels
  • Worn steering components
  • Faulty power steering pump
  • Dry ball joints

Resolving the Squeaking Noise

To resolve the squeaking noise, you’ll need to identify the specific cause and take appropriate action. Here are some tips to help you resolve the issue:

Check the Power Steering Belt

The power steering belt is an essential component that drives the power steering pump. If the belt is worn or damaged, it can produce a squeaking noise when turning the steering wheel. To check the belt, open the hood and locate the power steering pump. Look for any signs of wear or damage, such as cracks, fraying or glazing. If the belt needs to be replaced, consult your owner’s manual for the appropriate part number and replacement instructions.

Check the Power Steering Fluid

Low power steering fluid levels can also cause a squeaking noise when turning the steering wheel. To check the fluid level, locate the power steering reservoir and check the fluid level against the dipstick. If the level is low, add more fluid as needed. Consult your owner’s manual for the recommended type of power steering fluid.

Check Steering Components

Worn steering components can also produce a squeaking noise when turning the steering wheel. Check the tie rods, ball joints, and idler arms for any signs of wear or damage. If any components are worn or damaged, they will need to be replaced. Consult your owner’s manual for the appropriate part numbers and replacement instructions.

Check the Power Steering Pump

A faulty power steering pump can also cause a squeaking noise when turning the steering wheel. To check the pump, start the engine and turn the steering wheel back and forth. Listen for any unusual noises coming from the pump. If the pump needs to be replaced, consult your owner’s manual for the appropriate part number and replacement instructions.

Lubricate Ball Joints

Dry ball joints can also produce a squeaking noise when turning the steering wheel. To resolve the issue, apply a high-quality lubricant to the ball joints. Consult your owner’s manual for the appropriate type of lubricant.

Conclusion

If your Mercedes-Benz is making a squeaking noise when turning the steering wheel, it’s important to take prompt action to identify and resolve the underlying issue. Follow the tips outlined in this article to diagnose and fix the issue. Remember to consult your owner’s manual for the appropriate part numbers and replacement instructions.

Note: The tips and advice provided in this article are for informational purposes only. Avantgarde Automotive cannot be held responsible for any incorrect or out-of-date information.

Was this helpful?

Thanks for your feedback!

Book an Appointment

Leave your details and we shall be in touch.