Speed Sensor Mercedes W169 W245 Front Left Right N/O/S Control Unit A1695401417

Speed Sensor Mercedes W169 W245 Front Left Right N/O/S Control Unit is a precision brake system component responsible for reliable wheel speed readings for the front wheels. As a part dedicated to Mercedes vehicles, it ensures consistent operation of the ABS system and stable performance of electronic safety systems. This used component allows for an economical yet technically sound repair of the brake system.

Specifications and technical data

• SKU: A1695401417
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1695401417
• Substitutable numbers: A1695401417, A 169 540 14 17
• Location on the vehicle: Front, Left, Right
• Category: ABS Speed Sensors

Purpose and function of the ABS speed sensor

The ABS speed sensor mounted on the front wheels of the Mercedes W169 model is responsible for generating a rotational speed signal, which is continuously analyzed by the brake system control unit. A properly functioning component enables precise braking force distribution, reduces the risk of wheel lock-up, and supports vehicle stability during emergency braking or driving on slippery surfaces.

Thanks to its dedicated fitment for the front axle, the sensor works in conjunction with pulse rings and the vehicle's electronics, resulting in consistent operation of the ABS and traction control systems. This solution is particularly important in daily operation, where predictable vehicle behavior and repeatability of brake system performance parameters are essential.

Vehicle placement and mounting configuration

The presented sensor is designed for installation on the front axle, with the ability to be used on either the left or right side. This configuration simplifies part selection during service – one type of component can be used on either side of the vehicle's front, provided that the factory mounting points and cable routing are maintained.

Placement in the immediate vicinity of the wheel hub requires correct wiring routing and solid seating of the sensor in its socket to maintain the proper working distance from the pulse ring. Proper installation minimizes the risk of signal interference, ABS errors, and warning lights appearing on the instrument cluster.

Benefits of using an original Mercedes sensor

Using an ABS speed sensor designed for the Mercedes W169 allows you to maintain compliance with the factory characteristics of the brake system. Appropriate electrical and mechanical parameters translate into:

• a stable rotational speed signal for the front wheels,
• correct response of the ABS and traction control system,
• reduced risk of incorrect error messages,
• consistent operation with other brake system components.

A used component with preserved functionality is a reasonable choice for maintenance repairs when the priority is to combine correct performance parameters with service cost control. This allows for restoring full functionality of the ABS system without the need to invest in a new component.

Selection and safety of using second-hand ABS components

When choosing a used ABS speed sensor, it is crucial to pay attention to compatibility with the specific vehicle model and the condition of the connectors and housing. A properly selected component reduces the risk of communication problems within the vehicle's bus and allows for seamless integration with the existing electrical installation.

If you want to deepen your knowledge about the safe selection of used brake system components, such as discs, calipers, or ABS parts, it is worth using the practical tips contained in the article Second-hand brake system: how to safely choose discs, calipers, and ABS?. This is a helpful source of information when planning service based on aftermarket parts.

Expanding ABS system service in a Mercedes

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

For owners of older Mercedes models who combine ABS system repair with broader vehicle restoration, the modernization scenarios described in the material The second life of a youngtimer – how used car parts rejuvenate cars from the 1998–2012 model years may be inspiring. This allows for better planning of service work and selecting components in a way that is consistent with the car's character.