HomeStandard Ignition ALS408 ABS Wheel Speed Sensor - Rear Right
Part #: ALS408

Standard Ignition ALS408 ABS Wheel Speed Sensor - Rear Right

Rear Right
8 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mercedes-Benz, E320, E420, E500, 300TE, and 300E
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Overview of Standard Ignition ALS408 ABS Wheel Speed Sensor

The Standard Ignition ALS408 ABS Wheel Speed Sensor is designed for precise wheel speed monitoring on select Mercedes-Benz models. This sensor ensures accurate data transmission to your vehicle's ABS system, helping maintain optimal braking performance.

  • Terminal Quantity: 2
  • Connector Gender: Male
  • Terminal Gender: Female
  • Connector Quantity: 1
  • Connector Shape: Oval
  • Hardware Included: No
  • Harness Length: 42.8 inches (1090 mm)
  • Mounting Location: Wheel
  • Number of Bolt Holes: 1
  • Terminal Type: Pin

Detailed Product Description

The ALS408 ABS Wheel Speed Sensor from Standard Ignition is engineered to provide reliable wheel speed data for the anti-lock braking system on Mercedes-Benz vehicles such as the 300E, 300TE, E320, E420, and E500. Featuring a 42.8-inch harness length, this sensor offers flexibility during installation and ensures proper connection to the vehicle’s wiring harness. The sensor includes a single oval-shaped male connector with two terminals, designed to interface with a female pin terminal for secure electrical contact. It mounts directly to the wheel hub using one bolt hole, facilitating straightforward replacement without additional hardware.

Common Applications and Problem Resolution

  • Restores ABS functionality by providing accurate wheel speed data
  • Resolves ABS warning light issues related to faulty sensors
  • Eliminates erratic braking behavior caused by sensor failure
  • Prevents traction control system malfunctions linked to wheel speed input
  • Addresses inconsistent speedometer readings on compatible Mercedes-Benz models

Installation Notes and Tips

  • Ensure the mounting location on the wheel hub is clean and free of debris before installation
  • Verify connector orientation; the oval male connector must align properly with the female terminal
  • Use the original bolt or equivalent to secure the sensor firmly in place
  • Check the harness length to confirm it reaches the vehicle’s wiring harness without tension
  • Test the ABS system after installation to confirm sensor functionality

Quality Assurance and Warranty

Standard Ignition manufactures the ALS408 sensor to meet or exceed OEM specifications for fit, form, and function. While hardware is not included, the sensor is built for durability and consistent performance. Warranty coverage details should be confirmed with the point of purchase or Standard Ignition directly to ensure proper protection.

BrandStandard Ignition
Part NumberALS408
Connector GenderMale
Connector ShapeOval
Harness Length - inches42.8"
Harness Length - mm1090
Mounting LocationWheel
Number of Bolt Holes1
Terminal GenderFemale
Terminal TypePin

This part fits 8 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
1995Mercedes-BenzE320Rear RightCompatible with vehicles equipped with Traction Control.
1994Mercedes-BenzE320Rear RightCompatible with vehicles equipped with Traction Control.
1994Mercedes-BenzE420Rear RightCompatible with vehicles equipped with Traction Control.
1994Mercedes-BenzE500Rear RightCompatible with vehicles equipped with Traction Control.
1993Mercedes-Benz300TERWDRear Right
1992Mercedes-Benz300ERWDRear Right
1991Mercedes-Benz300ERWDRear Right
1990Mercedes-Benz300ERWDRear Right

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

084-479312454022175310855S109857053872-10325ABS518ABSC20685ARA3357

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.