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What is Mercedes-Benz PRESAFE®?

2022 Mercedes-Benz C-Class

The Mercedes-Benz PRESAFE® pre-collision system is a cutting-edge safety technology that takes action to protect you and your passengers in the event of a potential accident. Learn more about how the PRESAFE® system works, what steps it takes, and what it sounds like to give yourself peace of mind while driving on Rochester roads with this guide from Mercedes-Benz of Rochester.

How PRESAFE® Detects Accidents

The Mercedes-Benz PRESAFE® system has a network of sensors around your car that talk to each other and detect potential collisions. If a potential collision is detected, those sensors take intelligent action and activate the different parts of the PRESAFE® system to protect you and any occupants of the vehicle.

Mercedes-Benz PRESAFE® Actions

The PRESAFE® system takes a few different actions when the system’s sensors are activated. During a potential collision, the PRESAFE® system will:

  • Reposition the front head restraints to provide help minimize injuries and provide maximum crash protection. 
  • Increase the tension on the seatbelt tensioners
  • Close all windows (including the sunroof) to keep objects from entering the cabin in the event of a rollover. 

The PRESAFE® Sound

Some Mercedes-Benz models are equipped not just with the base PRESAFE® system, but also with PRESAFE® Sound. The PRESAFE® Sound system is made to protect your inner ear from the loud noises that can occur during a crash by emitting a “pink noise” sound, a noise that’s around 80 decibels. “Pink Noise” triggers something called the stapedius reflex, which weakens the connection between the eardrum and inner ear for a short period of time.

The PRESAFE® Impulse Side

Another possible addition to your PRESAFE® Mercedes-Benz system is the PRESAFE® Impulse Side. Designed for side collisions, which have fewer built-in crumple zones for protection, the PRESAFE® Impulse Side system will move any vehicle occupants away from the detected danger zone during a side-impact collision. 

What Does “PRESAFE® Functions Limited” Mean?

If you see the warning “PRESAFE® Functions Limited” displayed, your Mercedes-Benz may require service. This warning will pop up on the vehicle’s information panel behind the steering wheel and may mean that one of the many sensors watching out for your safety needs to be adjusted or cleaned. The qualified technicians at Mercedes-Benz of Rochester’s service center in Rochester Hills are ready to help you get your Mercedes-Benz safely back on the road in no time!

Drive Safer With a Mercedes-Benz from Mercedes-Benz of Rochester

The PRESAFE® Mercedes-Benz system is one of many safety features available on Mercedes-Benz models. If you have more questions about how a Mercedes-Benz can protect you on all your Troy and Sterling Heights drives, contact Mercedes-Benz of Rochester, and our expert sales team can walk you through all of the great technology available only these luxury vehicles.

 

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