How to Turn On ESP on Mercedes: A Comprehensive Guide

1. Understanding Mercedes-Benz ESP (Electronic Stability Program)

The Electronic Stability Program (ESP) in your Mercedes-Benz is a vital safety feature designed to prevent skidding and maintain control during challenging driving conditions. According to Mercedes-Benz official documentation, ESP monitors various factors like wheel speed, steering angle, and lateral acceleration to detect potential loss of control. When a skid is detected, ESP selectively applies braking to individual wheels and adjusts engine power to help steer the vehicle back on course.

ESP is a critical component in modern vehicle safety systems. It works by comparing the driver’s intended path (based on steering input) with the vehicle’s actual direction. If there’s a discrepancy, indicating a skid, ESP intervenes to correct the vehicle’s trajectory. This intervention can be the difference between maintaining control and losing it, especially in adverse conditions. CARDIAGTECH.NET emphasizes the importance of understanding ESP for all Mercedes-Benz owners.

1.1. How ESP Enhances Driving Safety

ESP significantly enhances driving safety by providing crucial stability assistance. According to a study by the National Highway Traffic Safety Administration (NHTSA), ESP systems can reduce single-vehicle crashes by as much as 32%. This is because ESP helps prevent skidding, a major cause of accidents, especially in wet, icy, or snowy conditions.

ESP’s ability to quickly and precisely apply braking force to individual wheels helps drivers maintain control during emergency maneuvers. For instance, if a driver swerves to avoid an obstacle, ESP can prevent the vehicle from spinning out or rolling over. This technology is especially beneficial for new or inexperienced drivers who may not have the skills to handle skidding situations effectively.

The Mercedes-Benz ESP warning light indicates the status of the Electronic Stability Program, signaling either normal operation or a system malfunction.

1.2. Components of the ESP System

The ESP system in a Mercedes-Benz comprises several key components that work together to ensure optimal performance:

• Wheel Speed Sensors: These sensors monitor the speed of each wheel and transmit this data to the ESP control unit. Discrepancies in wheel speed can indicate a potential skid.
• Steering Angle Sensor: Located in the steering column, this sensor measures the angle of the steering wheel, providing information about the driver’s intended direction.
• Lateral Acceleration Sensor: This sensor measures the sideways acceleration of the vehicle, helping to detect skidding or loss of control.
• Yaw Rate Sensor: The yaw rate sensor measures the vehicle’s rotation around its vertical axis, providing critical data for detecting and correcting skids.
• ESP Control Unit: This is the brain of the ESP system. It receives data from all the sensors and determines when and how to intervene to maintain stability.
• Hydraulic Modulator: This component controls the braking pressure to individual wheels as directed by the ESP control unit.

These components work in harmony to provide a seamless and effective stability control system. Regular maintenance and inspection of these components are essential to ensure the ESP system functions correctly. CARDIAGTECH.NET offers diagnostic tools that can help identify any issues within the ESP system, ensuring your Mercedes-Benz remains safe and reliable.

2. Identifying the ESP Button and Indicator Light

Knowing how to identify the ESP button and indicator light in your Mercedes-Benz is crucial for understanding the system’s status and operation. The ESP button, typically labeled with “ESP Off” or a similar designation, allows you to manually disable the system. The indicator light, usually located on the instrument panel, provides visual feedback on the ESP’s current state.

2.1. Location of the ESP Button

The location of the ESP button can vary depending on the Mercedes-Benz model and year. However, it is commonly found on the center console, near the gear shift, or on the dashboard. The button is usually marked with the letters “ESP” or a symbol of a car with skid marks.

Consult your vehicle’s owner’s manual for the exact location of the ESP button. Some models may also have the ESP function integrated into the vehicle’s infotainment system, requiring you to navigate through menus to access and control the ESP settings. CARDIAGTECH.NET provides resources and guides to help you locate and understand the functions of the ESP button in various Mercedes-Benz models.

2.2. Understanding the ESP Indicator Light

The ESP indicator light on your Mercedes-Benz’s instrument panel serves as a crucial communication tool. This light will illuminate or flash to indicate the status of the ESP system, alerting you to when it’s actively engaged or when there’s a potential issue. The ESP indicator light is typically represented by a car symbol with skid marks behind it.

Here’s a breakdown of what the ESP indicator light means in different scenarios:

• Flashing Light: When the ESP light is flashing, it indicates that the system is actively engaged and working to stabilize the vehicle. This typically occurs when the car detects a loss of traction or a potential skid, such as during hard acceleration on a slippery surface or when making a sharp turn. The flashing light serves as a reminder to drive cautiously and allow the ESP system to do its job.
• Solid Light: If the ESP light is illuminated and remains on, it signals that the ESP system is either manually disabled or experiencing a malfunction. If you’ve intentionally turned off ESP using the “ESP Off” button, the light will stay on to remind you that the system is not active. However, if you haven’t disabled ESP and the light remains on, it indicates a potential issue within the ESP system.
• No Light: When the ESP system is functioning correctly and is not actively engaged, the ESP indicator light should not be illuminated. The absence of the light indicates that the system is ready to assist if needed, but is not currently intervening to stabilize the vehicle.

Understanding these signals can help you properly respond to different driving situations and ensure the continued safety of your vehicle. CARDIAGTECH.NET offers diagnostic tools to help you identify and resolve any issues indicated by the ESP light, ensuring your Mercedes-Benz operates at its best.

3. Step-by-Step Guide to Turning On ESP

Ensuring that your Mercedes-Benz ESP is turned on is crucial for maintaining vehicle stability and safety. Here’s a step-by-step guide to help you activate ESP, along with troubleshooting tips for common issues.

3.1. Checking ESP Status

Before attempting to turn on ESP, it’s essential to verify its current status. Start your Mercedes-Benz and observe the instrument panel. If the ESP indicator light is off, the system is active and functioning normally. If the light is illuminated, ESP is either disabled or experiencing a malfunction.

3.2. Activating ESP Manually

If ESP is disabled, you can manually activate it using the “ESP Off” button. Follow these steps:

1. Locate the ESP Button: Find the ESP button, typically located on the center console or dashboard. It is usually marked with the letters “ESP” or a car symbol with skid marks.
2. Press the ESP Button: Press the ESP button briefly. In most Mercedes-Benz models, pressing the button once will re-engage the ESP system.
3. Observe the Indicator Light: Check the instrument panel. The ESP indicator light should turn off, indicating that ESP is now active.
4. Test the System: Drive the vehicle in a safe area to ensure ESP is functioning correctly. During a sharp turn or on a slippery surface, you should feel the system engage to maintain stability.

3.3. Troubleshooting Common Issues

If you encounter problems turning on ESP, consider these troubleshooting steps:

• Check the Owner’s Manual: Refer to your Mercedes-Benz owner’s manual for specific instructions and troubleshooting tips related to the ESP system.
• Restart the Vehicle: Sometimes, a simple restart can reset the ESP system. Turn off the engine, wait a few minutes, and then restart the vehicle to see if the ESP light turns off.
• Check for Fault Codes: Use a diagnostic tool from CARDIAGTECH.NET to scan for any fault codes related to the ESP system. These codes can provide valuable information about the cause of the issue.
• Inspect Wheel Speed Sensors: Damaged or faulty wheel speed sensors can prevent the ESP system from functioning correctly. Inspect the sensors for any signs of damage or corrosion.
• Verify Proper Tire Inflation: ESP relies on accurate tire pressure information. Ensure that all tires are properly inflated to the recommended pressure levels.
• Consult a Professional: If you’re unable to resolve the issue, seek assistance from a certified Mercedes-Benz technician. They can diagnose and repair any underlying problems with the ESP system.

The Mercedes-Benz BAS ESP light indicates potential issues with the Brake Assist System and Electronic Stability Program, requiring prompt attention to ensure vehicle safety.

4. Common Reasons Why ESP Might Be Off

Understanding why your Mercedes-Benz ESP might be off is essential for maintaining optimal safety and control. There are several reasons why ESP may be deactivated, ranging from intentional manual deactivation to system malfunctions. Identifying the cause can help you take appropriate action to restore ESP functionality.

4.1. Manual Deactivation

The most straightforward reason for ESP being off is manual deactivation by the driver. Mercedes-Benz vehicles are equipped with an “ESP Off” button, allowing drivers to disable the system when desired. This feature is typically used in specific situations, such as when trying to free a vehicle stuck in snow or sand.

To check if ESP has been manually deactivated, look for the ESP indicator light on the instrument panel. If the light is illuminated, ESP has been turned off. Simply press the “ESP Off” button again to re-engage the system. CARDIAGTECH.NET reminds drivers to ensure ESP is active under normal driving conditions for maximum safety.

4.2. System Malfunctions

If ESP is not functioning correctly, it could be due to a system malfunction. Various issues can trigger the ESP system to deactivate, including faulty sensors, wiring problems, or a malfunctioning control unit.

Common causes of ESP system malfunctions include:

• Faulty Wheel Speed Sensors: These sensors monitor the speed of each wheel and provide data to the ESP control unit. If one or more sensors fail, ESP may not function correctly.
• Steering Angle Sensor Issues: The steering angle sensor measures the position of the steering wheel, providing crucial information for ESP to determine the driver’s intended direction. A faulty sensor can lead to ESP deactivation.
• Brake System Problems: Issues with the braking system, such as a malfunctioning ABS (Anti-lock Braking System) module, can also affect ESP functionality.
• Low Battery Voltage: Insufficient battery voltage can cause various electrical systems in the vehicle to malfunction, including ESP.

If you suspect a system malfunction, it’s essential to have your Mercedes-Benz diagnosed by a qualified technician. CARDIAGTECH.NET offers diagnostic tools that can help identify specific fault codes and pinpoint the cause of the problem.

4.3. Low Battery Voltage

Low battery voltage can have a significant impact on the performance of your Mercedes-Benz ESP system. Modern vehicles rely heavily on electrical power to operate various safety and control systems, and ESP is no exception. When the battery voltage drops below a certain threshold, the ESP system may automatically deactivate to conserve power or prevent damage to sensitive electronic components.

Symptoms of low battery voltage affecting ESP include:

• ESP Light Illuminating: The ESP indicator light on the instrument panel may illuminate, indicating that the system has been disabled due to low voltage.
• Intermittent ESP Function: The ESP system may work sporadically, activating and deactivating without warning.
• Other Electrical Issues: You may also experience other electrical problems, such as dimming headlights, slow window operation, or difficulty starting the vehicle.

To address low battery voltage issues, follow these steps:

1. Check Battery Voltage: Use a multimeter to check the battery voltage. A fully charged battery should read around 12.6 volts. If the voltage is below 12 volts, the battery may need to be recharged or replaced.
2. Recharge the Battery: Use a battery charger to fully recharge the battery. Follow the manufacturer’s instructions for proper charging procedures.
3. Test the Charging System: Have the charging system tested by a qualified technician to ensure that the alternator is properly charging the battery while the engine is running.
4. Replace the Battery: If the battery is old or damaged, it may need to be replaced. Choose a high-quality replacement battery that meets the specifications for your Mercedes-Benz model.

Maintaining a healthy battery is essential for ensuring the reliable operation of your Mercedes-Benz ESP system. Regularly check the battery voltage and address any issues promptly to prevent ESP deactivation and maintain optimal safety. CARDIAGTECH.NET offers battery testing and charging equipment to help you keep your Mercedes-Benz in top condition.

The ESP warning light illuminated in a Mercedes-Benz dashboard serves as an indicator that the Electronic Stability Program is not active or has detected a system malfunction.

4.4. Sensor Issues

Sensor issues are a common cause of ESP malfunctions in Mercedes-Benz vehicles. The ESP system relies on various sensors to monitor wheel speed, steering angle, yaw rate, and lateral acceleration. If any of these sensors fail or provide inaccurate data, the ESP system may deactivate to prevent erroneous interventions.

Common sensor-related problems that can affect ESP include:

• Wheel Speed Sensor Failure: Wheel speed sensors are located at each wheel and provide data on wheel rotation speed. If a sensor fails, the ESP system may not be able to accurately detect wheel slippage, leading to deactivation.
• Steering Angle Sensor Malfunction: The steering angle sensor measures the angle of the steering wheel, providing information about the driver’s intended direction. A faulty sensor can cause the ESP system to misinterpret the driver’s input, resulting in deactivation.
• Yaw Rate Sensor Problems: The yaw rate sensor measures the vehicle’s rotation around its vertical axis. If the sensor provides inaccurate data, the ESP system may not be able to properly detect and correct skidding.
• Lateral Acceleration Sensor Issues: The lateral acceleration sensor measures the sideways acceleration of the vehicle. A faulty sensor can prevent the ESP system from accurately detecting lateral movement, leading to deactivation.

To diagnose sensor-related ESP issues, follow these steps:

1. Use a Diagnostic Tool: Connect a diagnostic tool from CARDIAGTECH.NET to the vehicle’s OBD-II port and scan for fault codes related to the ESP system.
2. Identify Faulty Sensors: The diagnostic tool will display specific fault codes indicating which sensors are malfunctioning.
3. Inspect Sensor Wiring: Check the wiring and connectors for the faulty sensors. Look for any signs of damage, corrosion, or loose connections.
4. Replace Faulty Sensors: Replace the faulty sensors with new, high-quality replacements. Ensure that the new sensors are properly installed and calibrated.
5. Clear Fault Codes: After replacing the sensors, clear the fault codes using the diagnostic tool and test the ESP system to ensure it is functioning correctly.

Regular inspection and maintenance of the ESP sensors can help prevent sensor-related issues and ensure the reliable operation of the ESP system. CARDIAGTECH.NET offers a wide range of diagnostic tools and replacement sensors to keep your Mercedes-Benz running smoothly.

5. When to Seek Professional Assistance

While many ESP issues can be resolved with simple troubleshooting steps, there are situations where seeking professional assistance is necessary. If you’re unable to diagnose or repair the ESP system yourself, it’s best to consult a qualified technician to avoid further damage or safety risks.

5.1. Persistent ESP Light

If the ESP indicator light remains illuminated on your Mercedes-Benz dashboard despite your attempts to reset the system, it indicates an underlying issue that requires professional attention. A persistent ESP light can be caused by various factors, including faulty sensors, wiring problems, or a malfunctioning control unit.

Ignoring a persistent ESP light can lead to reduced vehicle stability and increased risk of accidents, especially in adverse driving conditions. It’s essential to have the ESP system diagnosed and repaired by a qualified technician as soon as possible. CARDIAGTECH.NET recommends seeking professional assistance if the ESP light persists after trying basic troubleshooting steps.

5.2. Unusual Driving Behavior

Unusual driving behavior, such as erratic braking, unintended acceleration, or difficulty maintaining control, can be indicative of ESP system malfunctions. If you experience any of these symptoms, it’s crucial to seek professional assistance immediately.

ESP is designed to enhance vehicle stability and prevent skidding. If the system is not functioning correctly, it can lead to unpredictable vehicle behavior and compromise safety. A qualified technician can diagnose the cause of the unusual driving behavior and repair the ESP system to restore normal vehicle operation.

5.3. Diagnostic Tool Error Codes

Diagnostic tool error codes can provide valuable information about the cause of ESP system malfunctions. If you use a diagnostic tool from CARDIAGTECH.NET and receive error codes related to the ESP system, it’s essential to interpret these codes correctly and take appropriate action.

Some error codes may indicate specific sensor failures or wiring problems that can be resolved with simple repairs. However, other error codes may indicate more complex issues that require professional expertise. If you’re unsure how to interpret the error codes or perform the necessary repairs, it’s best to consult a qualified technician.

5.4. Complex Repairs

Complex repairs, such as replacing the ESP control unit or repairing damaged wiring harnesses, should be performed by a qualified technician. These repairs require specialized knowledge, tools, and equipment to ensure they are completed correctly and safely.

Attempting to perform complex repairs without proper training and experience can result in further damage to the ESP system or other vehicle components. It’s always best to leave complex repairs to the professionals to ensure the job is done right. CARDIAGTECH.NET emphasizes the importance of seeking professional assistance for complex ESP repairs.

Contact CARDIAGTECH.NET at 276 Reock St, City of Orange, NJ 07050, United States or Whatsapp: +1 (641) 206-8880 for expert advice and diagnostic tools.

6. The Importance of Regular Maintenance

Regular maintenance is essential for ensuring the continued reliability and effectiveness of your Mercedes-Benz ESP system. By following a proactive maintenance schedule, you can prevent ESP malfunctions and maintain optimal vehicle safety and control.

6.1. Scheduled Inspections

Scheduled inspections are a key component of regular ESP maintenance. During these inspections, a qualified technician will thoroughly examine the ESP system and its components to identify any potential issues or signs of wear and tear.

Key aspects of scheduled ESP inspections include:

• Sensor Testing: Testing the wheel speed sensors, steering angle sensor, yaw rate sensor, and lateral acceleration sensor to ensure they are functioning correctly.
• Wiring Inspection: Inspecting the wiring and connectors for any signs of damage, corrosion, or loose connections.
• Brake System Check: Checking the brake system components, such as the ABS module and brake lines, to ensure they are in good condition.
• Fluid Level Check: Verifying that the brake fluid level is within the recommended range.
• Error Code Scan: Scanning the ESP system for any stored error codes that may indicate underlying issues.

Scheduled inspections can help identify potential problems early on, allowing you to address them before they escalate into more serious and costly repairs. CARDIAGTECH.NET recommends following the maintenance schedule outlined in your Mercedes-Benz owner’s manual.

6.2. Tire Maintenance

Tire maintenance plays a crucial role in the performance and effectiveness of your Mercedes-Benz ESP system. Properly maintained tires provide the necessary traction for ESP to function correctly and prevent skidding.

Key aspects of tire maintenance for ESP include:

• Proper Inflation: Maintaining the correct tire pressure as specified in your vehicle’s owner’s manual.
• Regular Rotation: Rotating your tires every 5,000 to 7,000 miles to ensure even wear.
• Tread Depth Check: Monitoring the tread depth of your tires and replacing them when they reach the minimum allowable depth.
• Alignment: Ensuring that your vehicle’s wheels are properly aligned to prevent uneven tire wear and maintain optimal handling.

Proper tire maintenance can significantly enhance the effectiveness of your ESP system and improve overall vehicle safety. CARDIAGTECH.NET offers tire pressure monitoring systems and other tire maintenance tools to help you keep your Mercedes-Benz in top condition.

6.3. Brake System Servicing

Brake system servicing is an essential part of maintaining the ESP system in your Mercedes-Benz. Since ESP relies on the braking system to control individual wheels and prevent skidding, ensuring that the brakes are in good working order is crucial for ESP to function effectively.

Key brake system services that contribute to ESP maintenance include:

• Brake Pad Replacement: Replacing worn brake pads to ensure optimal braking performance.
• Brake Rotor Resurfacing or Replacement: Resurfacing or replacing brake rotors to eliminate vibrations and ensure smooth braking.
• Brake Fluid Flush: Flushing the brake fluid to remove contaminants and maintain proper hydraulic pressure.
• ABS System Check: Inspecting the ABS (Anti-lock Braking System) module and sensors to ensure they are functioning correctly.

Regular brake system servicing not only improves braking performance but also enhances the effectiveness of the ESP system, contributing to overall vehicle safety. CARDIAGTECH.NET offers a wide range of brake system tools and equipment to help you keep your Mercedes-Benz brakes in top condition.

7. ESP and Other Safety Systems

ESP works in conjunction with other safety systems in your Mercedes-Benz to provide comprehensive protection for you and your passengers. Understanding how ESP interacts with these systems can help you appreciate the full range of safety features in your vehicle.

7.1. ABS (Anti-lock Braking System)

The Anti-lock Braking System (ABS) is a crucial component that works closely with ESP to enhance vehicle safety. ABS prevents the wheels from locking up during hard braking, allowing you to maintain steering control and reduce stopping distances.

When ABS detects that a wheel is about to lock, it rapidly pulses the brakes to prevent the wheel from skidding. This allows you to steer around obstacles and maintain control of the vehicle. ESP works in conjunction with ABS by using the ABS system to apply braking force to individual wheels to correct skidding and maintain stability.

7.2. BAS (Brake Assist System)

The Brake Assist System (BAS) is another safety feature that complements ESP in your Mercedes-Benz. BAS detects emergency braking situations and automatically applies maximum braking force to help you stop the vehicle as quickly as possible.

BAS works by monitoring the speed and force with which you press the brake pedal. If it detects that you are braking suddenly, it automatically applies full braking power, even if you have not pressed the pedal all the way to the floor. ESP works with BAS to maintain stability during emergency braking maneuvers, preventing skidding and helping you stay in control of the vehicle.

7.3. Traction Control System (TCS)

The Traction Control System (TCS) is designed to prevent wheel spin during acceleration, especially on slippery surfaces. TCS works by monitoring the speed of each wheel and reducing engine power or applying braking force to the spinning wheel to restore traction.

ESP works in conjunction with TCS to maintain stability and prevent loss of control during acceleration. While TCS prevents wheel spin, ESP helps correct skidding and maintain directional stability. Together, these systems provide comprehensive protection against loss of control in various driving situations.

8. Choosing the Right Diagnostic Tools from CARDIAGTECH.NET

Selecting the right diagnostic tools from CARDIAGTECH.NET is essential for effectively troubleshooting and maintaining your Mercedes-Benz ESP system. With a wide range of diagnostic tools available, choosing the one that best suits your needs can seem daunting. Here’s a guide to help you make the right choice.

8.1. Basic OBD-II Scanners

Basic OBD-II scanners are a cost-effective option for reading and clearing basic diagnostic trouble codes (DTCs) related to the ESP system. These scanners are easy to use and can provide valuable information about the cause of ESP malfunctions.

Features of basic OBD-II scanners include:

• Reading DTCs: Retrieving stored diagnostic trouble codes from the vehicle’s computer.
• Clearing DTCs: Erasing stored diagnostic trouble codes after repairs have been made.
• Live Data Stream: Viewing real-time data from various sensors and systems.
• I/M Readiness: Checking the status of emissions-related systems for inspection readiness.

Basic OBD-II scanners are a good starting point for diagnosing simple ESP issues, such as a faulty sensor or a loose connection. CARDIAGTECH.NET offers a variety of basic OBD-II scanners to suit your needs.

8.2. Advanced Diagnostic Scanners

Advanced diagnostic scanners offer more comprehensive capabilities for diagnosing and troubleshooting ESP system malfunctions. These scanners provide access to advanced features and functions, such as:

• Enhanced Code Reading: Reading and clearing manufacturer-specific diagnostic trouble codes.
• Bi-Directional Control: Activating and controlling various vehicle systems and components.
• System Testing: Performing diagnostic tests on individual systems and components.
• Data Logging: Recording and analyzing data from various sensors and systems.
• Programming and Coding: Programming and coding new or replacement components.

Advanced diagnostic scanners are ideal for diagnosing complex ESP issues, such as a malfunctioning control unit or a damaged wiring harness. CARDIAGTECH.NET offers a range of advanced diagnostic scanners from leading manufacturers.

8.3. Professional-Grade Tools

Professional-grade diagnostic tools are designed for use by experienced technicians and automotive professionals. These tools offer the most comprehensive features and capabilities for diagnosing and repairing ESP systems.

Features of professional-grade diagnostic tools include:

• Advanced Diagnostics: Performing advanced diagnostic tests and procedures.
• Module Programming: Programming and coding new or replacement modules.
• Wiring Diagrams: Accessing detailed wiring diagrams for various vehicle systems.
• Technical Service Bulletins (TSBs): Accessing technical service bulletins from the manufacturer.
• Expert Support: Receiving expert technical support from the tool manufacturer.

Professional-grade diagnostic tools are a must-have for any automotive shop or service center that specializes in Mercedes-Benz vehicles. CARDIAGTECH.NET offers a wide selection of professional-grade diagnostic tools from trusted brands.

9. Real-World Benefits of ESP: Case Studies

Examining real-world case studies highlights the tangible benefits of ESP in preventing accidents and maintaining vehicle control. These examples underscore the importance of ensuring your Mercedes-Benz ESP system is functioning correctly.

9.1. Preventing Loss of Control on Slippery Surfaces

One of the primary benefits of ESP is its ability to prevent loss of control on slippery surfaces, such as ice, snow, or wet roads. In a case study conducted by the German automotive magazine Auto Motor und Sport, several vehicles were tested on a skid pad with varying levels of ESP intervention.

The results showed that vehicles equipped with ESP were significantly more stable and easier to control than those without ESP. In one test, a Mercedes-Benz C-Class equipped with ESP was able to maintain a stable trajectory on an icy surface, while a similar vehicle without ESP spun out of control.

This case study demonstrates the effectiveness of ESP in preventing loss of control on slippery surfaces and highlights the importance of ensuring your ESP system is functioning correctly.

9.2. Averting Accidents During Emergency Maneuvers

ESP can also play a crucial role in averting accidents during emergency maneuvers, such as swerving to avoid an obstacle or making a sudden lane change. In a study conducted by the National Highway Traffic Safety Administration (NHTSA), ESP was found to reduce single-vehicle crashes by as much as 32%.

The study examined real-world crash data and found that vehicles equipped with ESP were significantly less likely to be involved in single-vehicle accidents, especially those involving rollovers. ESP helps drivers maintain control during emergency maneuvers by selectively applying braking force to individual wheels and preventing skidding.

This case study underscores the importance of ESP in averting accidents during emergency maneuvers and highlights the potential safety benefits of this technology.

9.3. Enhancing Stability in High-Speed Cornering

ESP can also enhance stability in high-speed cornering, helping drivers maintain control and prevent rollovers. In a test conducted by the Insurance Institute for Highway Safety (IIHS), several SUVs were tested on a closed course with varying levels of ESP intervention.

The results showed that vehicles equipped with ESP were significantly more stable and less likely to roll over than those without ESP. ESP helps drivers maintain control during high-speed cornering by selectively applying braking force to individual wheels and preventing skidding.

This case study demonstrates the effectiveness of ESP in enhancing stability in high-speed cornering and highlights the potential safety benefits of this technology.