How to Check Brake Fluid

brake fluid

Brakes are, without question, among the most important components of your vehicle. That’s why it matters if your brakes aren’t in good working order. Understanding how to check brake fluid is a solid part of your vehicle maintenance routine and will help keep you safe on Blue Ash and Montgomery streets. Feel uncomfortable checking the brake fluid? Not to worry! The service center at Mercedes-Benz of Cincinnati is always here to assist you by taking care of all of your service needs, in addition to this handy guide to teach you how to check your brake fluid at home or on the road. 

What is Brake Fluid? 

Brake fluid lubricates your brake pedal. It also greases up your stopping mechanism and shields it from eroding. Brake fluid, in many vehicles, is glycol-ether based, yet there are silicone-based (DOT-5) and mineral oil-based (LHM) fluids available also. Check out your owner’s manual to discover which type your particular vehicle uses.

3 Steps to Check Brake Fluid 

  • Find your vehicle’s brake fluid reservoir within the master cylinder. Refer to your owner’s manual to find the precise location.
  • Outside the reservoir, you’ll find “minimum” and “maximum” lines. If the brake fluid is close to the minimum line, you’ll want a brake fluid replacement.
  • Inspect yourbrake fluid color. If it’s dark and looks like oil, it’s time to get the brake fluid flushed.

What Color is Brake Fluid? 

Now that you’ve learned how to check brake fluid, you’ll want to understand what its color means. What color is brake fluid? New brake fluid is almost colorless with a yellowish tint to it. Brake fluid color changes after some time as you use your brakes, however. As mentioned, dark, oil-like brake fluid has gotten soil and trash mixed in overtime, which can influence brake performance if not changed. 

Brake Fluid Service Intervals 

You should check your brake fluid with each oil change, or possibly once every year. Brake fluid can last around four to five years, yet this differs depending upon the vehicle, driving habits, and driving conditions. Still not sure how to check brake fluid or how often? When you visit our service center, our trained service technicians are available to let you know when it’s time to change your brake fluid. 

Mercedes-Benz of Cincinnati Brake Service 

While you can change your brake fluid at home, we’ve answered “What color is brake fluid?”, and the service intervals, we’re also right by your side here at Mercedes-Benz of Cincinnati near Sharonville to ensure that your vehicle is always running smoothly. Our service specialists can change your brake fluid, and we offer numerous service specials to make the process even easier on your wallet. Contact us today to find out more about how we can help or schedule an appointment online!

More from Mercedes-Benz of Cincinnati

  • What’s Inside the 2021 Mercedes-Benz GLB Interior?

    Searching for 3rd-row Mercedes-Benz SUVs in the Blue Ash area that’s easy to navigate and park around the city? The Mercedes-Benz GLB has you covered! From the flexible GLB seating and cargo space to the plethora of interior comforts, the GLB interior is sure to impress even the pickiest car shopper. Explore the Mercedes-Benz configurations, interior…

  • Mercedes-Benz A-Class Interior

    The Mercedes-Benz A-Classis an entry-level compact sedan that measures up to the exacting standards of Mercedes-Benz. With competitive performance specs and a striking design, there’s a lot to love about this car. Mercedes-Benz of Cincinnati covers the amenities and features in the 2021 Mercedes-Benz A-Class interior for Cincinnati drivers looking into this car below! Get a lease…

  • 2021 Mercedes-Benz GLC Interior

    If you’re looking at updating a stellar compact SUV with the latest features on the Mercedes-Benz lineup, the 2021 Mercedes-Benz GLC is in Cincinnati at Mercedes-Benz of Cincinnati. A great compact SUV is marked by its well-designed interior, which the Mercedes-Benz GLC compliments with stellar luxury amenities. Want to know more? Mercedes-Benz of Cincinnati covers the 2021 Mercedes-Benz GLC…

Saved Vehicles


You don't have any saved vehicles!

Look for this link on your favorites:


Once you've saved some vehicles, you can view them here at any time.

Contact Us


Call Now

8727 Montgomery Rd • Cincinnati, OH 45236

Get Directions

Today's Hours:

Open Today! Sales: 9am-7pm

Open Today! Service: 7:30am-6pm

Open Today! Parts: 7:30am-6pm

Mercedes-Benz of Cincinnati 39.2143426, -84.3599992.