Mercedes SLK R172 Wheel Speed Sensor Rear Right O/S ABS Cable A1725400717

The Mercedes SLK R172 Rear Right ABS Sensor is a precise traction control component responsible for accurately reading the rotational speed of the rear right wheel. As an original Mercedes-Benz component, it ensures proper integration with the factory ABS and stability control systems. A used part allows for an economical yet technically sound repair of the braking system in your SLK R172.

Specifications and technical data

• SKU: A1725400717
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1725400717
• Substitutable numbers: A1725400717, A 172 540 07 17
• Location on the vehicle: Rear, Right
• Category: ABS Speed Sensors

Function and Application of the ABS Speed Sensor

The ABS speed sensor in this model is responsible for continuously measuring the rotational speed of the rear right wheel and transmitting the signal to the brake system controller. A properly functioning component:

• stabilizes ABS operation during sudden braking,
• supports the function of traction control and stability systems,
• reduces the risk of wheel lock-up when traction is lost,
• ensures correct communication with the vehicle's onboard electronics.

Thanks to its precise fit for the R172 generation, the sensor works with the factory controller without requiring software adaptation.

Compatibility and Fitment for Mercedes SLK R172

The presented sensor is specifically designed for the rear right axle of the SLK R172 model, guaranteeing correct positioning relative to the pulse ring, as well as the appropriate cable length and connector. This precise fit:

• facilitates installation in original mounting points,
• ensures accurate signal reading without interference,
• minimizes the risk of ABS controller errors.

Choosing a dedicated sensor for a specific Mercedes model helps avoid problems typical of universal aftermarket parts.

Characteristics of a Used ABS Sensor

The offered part is a used item obtained from disassembly, allowing for a significant reduction in repair costs while maintaining the original manufacturer's specifications. This type of solution is particularly beneficial when:

• ABS or ESP warning lights appear on the dashboard,
• errors related to the speed reading of one of the wheels occur,
• computer diagnostics indicate a faulty rear right sensor.

By using an original, used sensor, you maintain the consistency of the system's operating parameters with the factory Mercedes specifications, which is crucial for the stable operation of safety systems.

Importance of Proper ABS System Function

A functional ABS speed sensor directly impacts driving safety, especially in emergency braking situations and on surfaces with variable grip. Its replacement is recommended when:

• uneven ABS operation occurs on slippery surfaces,
• the ABS/ESP warning light illuminates sporadically or constantly,
• incorrect wheel speed readings are detected during diagnostics.

Selecting the correct sensor for the rear right axle of the Mercedes SLK R172 allows for the restoration of proper system operation without interfering with other braking components.

If you are planning a comprehensive repair or upgrade of the braking area in your Mercedes and need other parts from the same group, such as additional sensors, signal cables, or mounting elements, check the available parts in the Mercedes ABS Speed Sensor category.

Technical Support and Drivetrain Knowledge

When diagnosing problems with the ABS and drivetrain systems, it is advisable to rely on reliable technical information. Practical tips for assessing the condition of components such as differentials, sensors, and drivetrain components can be found in the guide Used Differentials – What You Should Know About Used Differentials, Sensors, and Drivetrain Systems. This is a helpful supplement when planning repairs to the rear section of your vehicle's running gear.