Can You Use Regular Power Steering Fluid in a Mercedes?

Mercedes-Benz is a prestigious brand with a great reputation. However, maintaining a Mercedes is costly as its spare parts, fluids, and even labor are expensive. Nonetheless, is it possible to use regular power steering fluid in a Mercedes-Benz?

Yes, you can use regular power steering fluid in a Mercedes-Benz. Nevertheless, this shouldn’t be permanent as Mercedes recommends Pentosin CHF 11S power steering fluid. If you use regular power steering fluid for an emergency, ensure to get rid of it as soon as possible.

Mercedes-Benz recommends Pentosin CHF 11S power steering fluid because it performs better and lasts longer than regular power steering fluids. Pentosin CHF 11S fluid is a synthetic-based hydraulic fluid, while most regular power steering fluids are ATF transmission fluids.

Why does Mercedes recommend Pentosin CHF 11S Power Steering Fluid?

Mercedes recommends this fluid because it has the highest technical requirements. Additionally, the Pentosin CHF 11S power steering fluid lasts longer and performs exceptionally well. Besides, it works perfectly for both hot and cold conditions. That’s why Mercedes and other high-end car makers like Bentley, BMW, Audi, Porsche, Jeep, and Chrysler prefer it over other fluids.

How can I find out which type of fluid my Mercedes requires?

Since there are different types of Pentosin power steering fluids, it’s crucial to know which fluid is ideal for your Mercedes model and year. To find out, check on the power steering reservoir or filler cap. What’s more, you can go through the car’s manual as the manufacturer usually specifies the fluid to use.

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Where can I get Pentosin CHF 11S power steering fluid?

Pentosin CHF 11S power steering fluid can be found at any Mercedes dealer. Nonetheless, you can also find this fluid online. If you want to save some money, you’re better off buying the fluid online as dealers are somewhat expensive.

How do I know if my power steering fluid is low?

Several signs can alert you when your power steering fluid is low. Apart from indicating low power steering fluid, these signs can also mean that your power steering pump has a problem. They are as follows:

  • Squealing noise

If you hear squealing noises when you turn on the car, this is an indication that the power steering fluid is low, the power steering pump is going bad, or the power steering belt is worn out. All of these issues can be fixed quickly at the Mercedes service center.

  • Groaning noise

Another sign of a low-power steering fluid is a groaning or whining noise. This noise is usually heard when you turn the steering wheel full. And as the fluid level gets even lower, you will start hearing the noise every time you turn the wheel.

  • Stiff steering wheel

Low power steering fluid can also cause the steering wheel to become stiff. This is because the lack of enough fluid in the pump will make it function inappropriately and affect the flow needed to smoothly operate the power steering system.

What’s the procedure for adding power steering fluid?

If you have a low-power steering fluid and want to add it yourself, the procedure is straightforward. But first, you need to acquire the right Mercedes power steering fluid and follow the right steps. On top of that, you have to park your Mercedes on a flat surface and engage parking brakes. Next, follow the steps below:

  • Turn on your Benz and wait until it reaches normal operating temperature. Note that this can take several minutes. Next, turn the steering wheel from lock to lock several times. Finally, pull on the hood release to open your car’s hood.
  • Open the hood and identify the power steering reservoir. Most power steering reservoirs have a label showing the type of power steering fluid that should be added. Before you open the reservoir, clean its cap using a clean microfiber cloth to prevent dirt and debris from entering.
  • Turn the reservoir counterclockwise to open it. Make sure you have a cloth to wipe off the dipstick. Be very cautious so that you don’t permit any contaminants in the reservoir.
  • You can now add the power steering fluid. Ensure to add the right amount of power steering fluid in your car. Close the reservoir with the cap.
  • After a few minutes, remove the reservoir cap and examine the fluid level on the dipstick. If you notice that the fluid level is below the minimum mark, add more fluid. Make sure the fluid level doesn’t go beyond the maximum mark.
  • When you have the right fluid level, you can close the power steering reservoir and take the car for a ride. Listen to the car keenly and ensure that there is no squealing, groaning, or whining sound. Also, the steering wheel shouldn’t be stiff when turning.
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Why is it important to change the power steering fluid?

This is because the fluid breaks down after some time, as it becomes contaminated with rubber and metal particles. As a result, this can cause the pump and power steering parts to wear out much faster than expected.

Can I drive a Mercedes with low power steering fluid?

Even though you can drive a Benz with low power string fluid, it’s not a good idea. This is because you will put pressure on the power steering pump, which may fail after a while. If you cannot access the Pentosin power steering fluid, you can use a regular fluid temporarily.

How much will it cost to change the power steering fluid on a Mercedes?

This depends on your location and the Mercedes model. Even though Mercedes recommends Pentosin power steering fluid, different Benz models use different versions of this fluid. Regardless, you should expect to pay between $100 and $250 when you visit a Mercedes service center.


In conclusion, you can use a regular power steering fluid in a Mercedes. However, this should not be used for long but as an emergency and should be replaced within a short time. Mercedes recommends Pentosin CHF 11s fluid for its car makes and models.

Edwin Odipo

Why do you love writing about cars? Cars make our lives easy. You can visit your distant friend, relative or even rush to the grocery store a few miles from your home with a lot of ease. Imagine how life was before the invention of cars?? To me, cars are a blessing that made life more convenient.

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