Best Mercedes-Benz Brake Fluid

Best Mercedes-Benz Brake Fluid

Want to know what is the best brake fluid for your Mercedes-Benz? Using the correct brake fluid is more important than finding the best brake fluid for Mercedes-Benz.

While most vehicles require DOT3 or DOT4 brake fluid, Mercedes-Benz has developed its own special DOT4+ Brake fluid that has different specifications than DOT4 and DOT3 and is completely different than DOT5.

What is the best brake fluid for Mercedes-Benz?

The best brake fluid for your Mercedes-Benz brake system is printed on the cap of the brake fluid reservoir. Most likely is going to be DOT 4+ Brake Fluid.

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If the Mercedes-Benz requires DOT 4+ brake fluid, do not use brake fluid from the auto parts store that says DOT 3, 4, 5, or 5.1.

DOT 4+ specifications are similar to DOT 4 brake fluid but with a higher boiling point to prevent brake fluid from vaporizing locks at high temperatures. Do not use DOT 5 or 5.1 fluids on Mercedes-Benz vehicles that require DOT 4+.

Correct Mercedes-Benz Brake Fluid

mercedes dot 4+ plus brake fluid

Most models, including the E, C, S, CLS, ML, GL, or R Class, recommended Mercedes-Benz brake fluid, DOT 4 plus.

Mercedes brake fluid is sold at Mercedes-Benz dealerships or online.

  • Part number: 000989080701
  • ISO 4925 compatible.
  • SAE Specifications: J1703

How to Add Mercedes-Benz Brake Fluid

Do not use DOT 5 brake fluid on Mercedes vehicles that require DOT 4+ brake fluid.

mb brake fluid

The wet boiling point for Mercedes brake fluid DOT 4+ is 356 degrees F or 180 degrees C. Have you used different brake fluid on your Mercedes-Benz brake system? Did you notice any performance or system degradation?

We hope you find the Best Mercedes-Benz Brake Fluid guide helpful. Check these troubleshooting and repair guides for more help on your Mercedes-Benz.


  • Rushit Hila • ASE Certified

    Rushit Hila, an ASE-certified engineer (G1 Automotive Maintenance and Repair), brings over two decades of hands-on experience in the automotive world to his writing. With a strong educational background, including a Master of Science in Engineering and a Bachelor of Science in Engineering, he has honed his skills and expertise through years of practical work. As a respected authority in the field, Mr. Hila is dedicated to offering insightful and valuable content that resonates with both vehicle owners and mechanics.

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One Comment

  1. Anonymous says:

    Wife’s 550CLS had a leaking front caliper and drained the reservoir to the point the that the add fluid light can on. I topped it off with Castrol DOT 4 not knowing I needed 4+. Now every caliper leaks. I’ve got my fingers crossed that a flush will fix it.