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How Does the ECO Start®/Stop System Work in Mercedes-Benz Vehicles?

Front-quarter view of the 2025 Mercedes-Benz GLB 250 SUV Gray


Have you ever wondered how luxury meets efficiency in your favorite Mercedes-Benz? Enter the ECO Start®/Stop system—a brilliant innovation designed to enhance fuel economy while delivering that signature driving experience. Whether you're navigating city traffic or cruising down the highway, this smart technology seamlessly kicks into action, optimizing performance and minimizing emissions. Here, our team at Mercedes-Benz of Scottsdale in Arizona dives deep into how this cutting-edge feature works, answers your most pressing FAQs, and empowers you with knowledge to make the most of every drive.

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What is the ECO Start®/Stop System in Mercedes-Benz Vehicles? 

The ECO Start®/Stop system is an innovative feature in many Mercedes-Benz models. It automatically shuts off the engine when the car is stationary. This system is designed to enhance fuel efficiency and reduce emissions. With this technology, drivers experience a smarter way to conserve fuel. 

How Does the ECO Start®/Stop System Work in My Mercedes-Benz? 

The system turns on once you have stopped completely. It is sensitive to detect the downward stroke of the brake's pedal motion. The shutting off of the engine is quiet. All you need to do to keep going is release the brake. The engine restarts at once. This process happens with smooth efficiency, and drivers often don't experience a lag in performance. 

Front-quarter view of the 2025 Mercedes-Benz AMG GLS 63 SUV


The ECO StartStop system of the 2025 Mercedes-Benz GLB SUV

How Does the ECO Start®/Stop System Improve Fuel Efficiency? 

Significantly, it increases fuel efficiency. This is due to the fact that the ECO Start®/Stop system switches off the engine when stopped. In this way, it reduces the amount of fuel needed. According to studies, this will amount to saving up to 10% for city driving. This is very convenient during heavy traffic. As more people are getting disturbed over the continuing increase in gasoline prices, every drop saved counts. Moreover, reduced emissions save the environment. 

Does the ECO Start®/Stop System Affect the Car's Performance? 

The ECO Start®/Stop system does not compromise on performance. It improves driving without affecting it in any way. In fact, it restarts quickly for an accelerating drive. You get the same driving you enjoy with Mercedes-Benz. This feature optimizes the usage of fuel while still maintaining its performance. 

Can I Turn Off the ECO Start®/Stop System in My Mercedes-Benz? 

Yes, you can disable the ECO Start®/Stop system if you choose. A button on the dashboard allows for manual control. However, keep in mind that disabling it will prevent fuel savings. Many drivers find the system beneficial for daily commutes. Yet, some prefer the engine to run continuously. It’s a matter of personal preference. 

Will the ECO Start®/Stop System Work in Cold or Extreme Weather? 

The ECO Start®/Stop is designed to function under any conditions but is more sensitive to weather. It will not function until the engine warms up if extremely cold weather is present. This helps to achieve peak and efficient performance. Sensors of the automobile function to judge and alter situations for it. 

2025 Mercedes-Benz GLA 250 SUV Black
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When Does the ECO Start®/Stop System Not Activate? 

There are instances where the system may not activate. This is when the charge in the battery is low; hence, it will be kept off. It will also run the engine in case the climate control system requires more power than usual. The other conditions include the temperature of the engine and the speed of the vehicle. All these conditions ensure that there is safety as well as performance. 

Learn More at Mercedes-Benz of Scottsdale in Arizona

Want to explore the ECO Start®/Stop system in action? Contact Mercedes-Benz of Scottsdale to schedule a test drive. Discover how this system helps you save fuel while keeping performance intact.