Standard Ignition ALS390 ABS Wheel Speed Sensor - Front Left

Reliable ABS Wheel Speed Sensor for Mercedes-Benz Models

The Standard Ignition ALS390 ABS Wheel Speed Sensor is designed specifically for select Mercedes-Benz vehicles, including the E55 AMG, E280, E300, E320, E420, E430, and E500. This sensor helps maintain accurate wheel speed data essential for your vehicle's anti-lock braking system.

• Compatible with Mercedes-Benz E-Class models: E55 AMG, E280, E300, E320, E420, E430, and E500
• Part number ALS390 ensures precise fit and function
• Monitors wheel speed to support ABS and traction control systems
• Durable construction for consistent performance under various driving conditions
• Direct replacement sensor for maintaining factory specifications

Product Details and Functionality

The Standard Ignition ALS390 ABS Wheel Speed Sensor is engineered to provide accurate and timely wheel speed data to the vehicle’s ABS control module. This sensor plays a critical role in preventing wheel lockup during braking by detecting the rotational speed of the wheels. Designed for Mercedes-Benz E-Class models such as the E55 AMG and E320, the ALS390 sensor meets OEM standards to ensure reliable operation and compatibility. Its robust design withstands exposure to road debris, moisture, and temperature variations, helping maintain consistent sensor output and vehicle safety.

Common Applications and Problem Resolution

• Restores proper ABS function by providing accurate wheel speed readings
• Eliminates ABS warning lights caused by faulty or damaged sensors
• Improves traction control system responsiveness
• Prevents uneven braking and wheel lockup issues
• Addresses intermittent or no signal from the wheel speed sensor

Installation Notes and Tips

• Ensure vehicle compatibility with Mercedes-Benz E55 AMG, E280, E300, E320, E420, E430, or E500 models before installation
• Disconnect the battery before sensor replacement to avoid electrical issues
• Clean the sensor mounting area to remove debris and corrosion
• Use proper torque specifications when securing the sensor to prevent damage
• Test the ABS system after installation to confirm sensor functionality

Quality Assurance and Warranty Information

Standard Ignition manufactures the ALS390 ABS Wheel Speed Sensor to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship. This sensor is designed to maintain the safety and functionality of your Mercedes-Benz ABS system, providing confidence in your vehicle’s braking performance.