What is a Serpentine Belt?

Mechanic with hat checking under the hood of a car

Does a service visit have you asking, “what is a serpentine belt?” This important belt is part of your engine block, and something you need to make sure is maintained and replaced as needed. Mercedes-Benz of Cincinnati has created this guide to cover the serpentine belt functions, lifespan, and more!

What Does a Serpentine Belt Do?

As the serpentine belt is part of the engine block, it’s tasked with numerous vital functions, such as powering your:

  • Alternator
  • Power steering pump
  • Air conditioning compressor
  • And more

How Often Does it Need to be Replaced?

Blue Ash drivers can expect a modern serpentine belt to last between 50,000 miles and 100,000 miles. However, this is only an estimate that can vary depending on road conditions, weather, and other mechanical factors. With this in mind, you’ll want to keep your eyes peeled for signs of serpentine belt issues.

Signs it’s Time to Replace Your Serpentine Belt

There are a few tail-tell signs that your serpentine belt is on its way out. If you notice any of these warnings signs, it’s time to seek service at Mercedes-Benz of Cincinnati’s service center:

  • Vehicle failure
  • Chirping or squealing sounds heard from under the hood of your car
  • Power steering or air conditioner failure
  • Visible cracks and wear on the rubber of your serpentine belt

What Happens if I Don’t Replace My Serpentine Belt?

The serpentine belt snakes through your engine, powering a variety of systems. If this belt fails, some of your car’s systems will as well. Losing out on features like your power steering can cause problems for you while you’re traversing the Montgomery and Sharonville roads.

Schedule a Serpentine Belt Replacement at Mercedes-Benz of Cincinnati!

If you’re concerned about the state of your serpentine belt, our certified mechanics can perform an inspection. If a new belt is needed, you’ll find the recommended replacement at our parts center. Schedule an appointment to get started!

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