Standard Ignition ALS402 ABS Wheel Speed Sensor - Rear Left

Reliable ABS Wheel Speed Sensor for Mercedes-Benz Vehicles

The Standard Ignition ALS402 ABS Wheel Speed Sensor is designed to provide accurate wheel speed data for your Mercedes-Benz C36 AMG, C43 AMG, C220, C230, C280, CLK55 AMG, CLK320, and CLK430 models. This sensor ensures proper ABS function and vehicle stability by delivering precise signals to your vehicle's braking system.

• Terminal Quantity: 2
• Connector Gender: Female
• Terminal Gender: Male
• Connector Quantity: 1
• Connector Shape: Rectangular
• Hardware Included: No
• Harness Length: 27 inches (686 mm)
• Mounting Location: Wheel
• Number of Bolt Holes: 1
• Terminal Type: Stud

Detailed Product Description

The Standard Ignition ALS402 ABS Wheel Speed Sensor is engineered to meet the specific requirements of select Mercedes-Benz models, including the C36 AMG, C43 AMG, C220, C230, C280, CLK55 AMG, CLK320, and CLK430. Featuring a 27-inch harness length and a single bolt hole mounting design, this sensor installs directly at the wheel to monitor rotational speed. The rectangular female connector with two terminals and male stud terminals ensures a secure and reliable electrical connection. This sensor does not include additional hardware, so existing mounting bolts should be reused or sourced separately.

Common Applications and Issues Addressed

• Restores accurate ABS wheel speed readings for Mercedes-Benz C-Class and CLK models
• Resolves ABS warning lights caused by faulty or damaged sensors
• Improves traction control and stability system performance
• Eliminates erratic speedometer or cruise control malfunctions related to wheel speed data
• Prevents potential braking system faults due to sensor failure

Installation Notes and Tips

• Ensure the mounting location at the wheel is clean and free of debris before installation
• Verify the connector orientation matches the vehicle’s wiring harness for proper fit
• Use the original bolt or compatible hardware to secure the sensor firmly in place
• Check the sensor wiring for any damage or wear during installation
• Test the ABS system after installation to confirm proper sensor operation

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The ALS402 ABS Wheel Speed Sensor undergoes rigorous quality control to ensure reliable performance in Mercedes-Benz vehicles. While hardware is not included, the sensor itself is backed by Standard Ignition’s limited warranty against defects in material and workmanship, providing confidence in your replacement part.