Standard Ignition ALS405 ABS Wheel Speed Sensor - Rear, Rear Center or Rear Left

Reliable ABS Wheel Speed Sensor for Mercedes-Benz Models

The Standard Ignition ALS405 ABS Wheel Speed Sensor is designed to provide accurate wheel speed data for your Mercedes-Benz 300CE, 300E, 400E, E320, E420, and E500 models. Engineered with precision, this sensor ensures proper ABS function and vehicle stability.

• Terminal Quantity: 2
• Connector Gender: Male
• Terminal Gender: Male
• Connector Quantity: 1
• Connector Shape: Rectangular
• Hardware Included: No
• Harness Length: 45.5 inches (1150 mm)
• Mounting Location: Wheel
• Number of Bolt Holes: 1
• Terminal Type: Stud

Product Details and Specifications

The ALS405 ABS Wheel Speed Sensor from Standard Ignition features a 45.5-inch harness length, allowing for flexible installation on the wheel mounting location. It includes a single rectangular male connector with two male terminals, designed for secure and reliable electrical connections. The sensor mounts with one bolt hole and uses stud-type terminals to ensure a stable fit. This part does not include additional hardware, so existing mounting bolts should be reused or sourced separately.

Compatible Mercedes-Benz Models

This ABS wheel speed sensor is compatible with a range of Mercedes-Benz vehicles, including the 300CE, 300E, 400E, E320, E420, and E500. It is specifically engineered to meet the electrical and mechanical requirements of these models, ensuring accurate wheel speed readings and proper ABS system operation.

Common Issues Addressed by the ALS405 Sensor

• Intermittent or no ABS warning light due to faulty sensor signals
• Erratic or non-functioning ABS system
• Traction control system malfunctions related to wheel speed data
• Inaccurate speedometer readings caused by sensor failure
• Unstable vehicle braking performance on slippery surfaces

Installation Notes and Tips

When installing the Standard Ignition ALS405 sensor, ensure the mounting location on the wheel is clean and free of debris. Verify the connector is securely attached with the male rectangular connector properly seated. Since hardware is not included, retain the original bolt or acquire the correct replacement bolt for mounting. Check the harness length to confirm it fits your vehicle’s routing requirements. Proper installation is critical for accurate sensor performance and ABS system reliability.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications. The ALS405 ABS Wheel Speed Sensor undergoes rigorous quality control to ensure durability and consistent performance. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in materials and workmanship. Consult product documentation or your parts provider for exact warranty terms.