Mercedes W164 Front Wheel Speed Sensor ABS Wiring Left Right N/O/S A1649058400

Mercedes W164 Front Wheel Speed Sensor ABS Wiring Left Right is a precision safety system component responsible for the accurate reading of wheel speed on the front axle. A properly selected sensor with wiring ensures stable ABS system operation, correct traction control performance, and predictable vehicle behavior during braking. This solution is designed for users who expect consistent brake electronics performance and want to maintain vehicle parameters in accordance with the manufacturer's standards.

Specifications and technical data

• SKU: A1649058400
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1649058400
• Substitutable numbers: A1649058400, A 164 905 84 00
• Location on the vehicle: Front, Left, Right
• Category: ABS Speed Sensors

Purpose and function in the ABS system

The presented component belongs to the ABS speed sensor category and works with the braking system, transmitting information about the rotational speed of the front wheels to the controller. A correct signal from the sensor is crucial for:

• precise pressure regulation in brake circuits during emergency braking,
• stable operation of driver assistance systems (ABS, traction control, electronic stability control),
• maintaining predictable vehicle behavior on surfaces with varying grip.

Thanks to the dedicated wiring, the sensor is prepared for operation in the demanding environment of the wheel arch, where it is exposed to temperature changes, moisture, and road debris.

Vehicle placement and configuration

The component is designed for installation on the front axle, with the possibility of use on either the left or right side. Such a configuration facilitates service and allows for flexible use of the component depending on the vehicle's needs. Placement at the front of the car means the sensor operates in a critical area responsible for most of the braking force, which is why its efficiency has a direct impact on the effectiveness of the entire system.

The wiring integrated with the sensor allows for proper cable routing along factory installation paths, which limits the risk of abrasion, mechanical damage, and signal interference.

Product characteristics and service application

The offered sensor is a component intended for Mercedes vehicles, which ensures structural compatibility with the manufacturer's factory solutions. In practice, this means proper connector fitment, appropriate wiring length, and electrical parameters adapted to the controllers used by this brand.

In service applications, such a component will be particularly useful in situations where:

• ABS system errors related to front wheel speed readings occur,
• irregularities in the operation of traction control or stability control are noticeable,
• it is necessary to replace a damaged sensor along with the wiring to restore full system functionality.

By maintaining the original installation concept, it is possible to maintain the consistency of the electrical installation and the operating parameters of the braking system.

Benefits of using a pre-owned ABS speed sensor

Choosing a pre-owned component from the ABS speed sensor category allows for the optimization of repair costs while maintaining the functionality required by safety systems. This type of component is particularly attractive for vehicles in intensive use, where a reasonable balance between service costs and maintaining the full efficiency of electronic systems is important.

To better understand how to safely select and install used modules and sensors, it is worth using the practical tips contained in the Global Parts guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?

System expansion and selection of related components

If you are planning a comprehensive repair or modernization of the braking zone in your Mercedes and need other elements from the same group, such as additional sensors, signal cables, or installation wiring, check the available parts in the Mercedes ABS speed sensor category.

Such an approach allows for a consistent refresh of the entire area responsible for monitoring wheel rotational speed, which translates into stable operation of safety systems and predictable vehicle behavior in daily use.