Is your Mercedes-Benz steering difficult to turn due to a low-power steering fluid? By following the procedures below, you will learn how to check the fluid level and add power steering fluid to your Mercedes-Benz. This guide is a step-by-step procedure to check and add power steering fluid on a Mercedes Benz S550 W221.

What you will need

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Genuine Q1460001 Power Steering Fluid
Genuine Q1460001 Power Steering Fluid
Ready to install.; No modification required.
  • Power Steering Fluid


  1. Pull the hood release under the dashboard and go to the vehicle’s front. Unlock the hood latch and pull the hood up until the hood struts lock-in.Opened hood of the 2010 Mercedes Benz S550 W221.
  2. Locate the steering fluid reservoir on the front of the engine compartment.The power steering reservoir.
  3. Remove the cap of the steering fluid reservoir by turning it counterclockwise.Removing the cap of the steering fluid.
  4. Check the fluid level on the cap; an indicator on the lid will show you the liquid level. The dipstick has a range that you can use when the engine is cold, marked with the letter C. There is also a range that can be used when the engine is hot, marked with the letter H. The indicator on the dipstick of the steering fluid cap.
  5. If the level is low, add the steering fluid into the reservoir. Make sure to add the right amount and type of fluid to the steering fluid reservoir. Do not overfill past the MAX mark on the dipstick. Do not fill the reservoir to the top.
  6. Reinstall the cap back to the reservoir by turning it clockwise.Installing the cap back to the steering fluid reservoir.

We hope you find the 2006-2013 Mercedes-Benz S-Class Add Power Steering Fluid guide helpful. Check these troubleshooting and repair guides for more help on your Mercedes-Benz.

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