Mercedes SLK R171 Wheel ABS Speed Sensor Rear Left N/S RPM Cable A1715400117

Mercedes SLK R171 Wheel ABS Speed Sensor Rear Left N/S RPM Cable is a precision safety system component responsible for accurately reading the rotational speed of the rear left wheel. Thanks to this sensor, the ABS system in your Mercedes can effectively control braking force, improving vehicle stability and handling confidence. This solution is dedicated to a specific vehicle location, which facilitates the selection and installation of the correct component.

Specifications and technical data

• SKU: A1715400117
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1715400117
• Substitutable numbers: A1715400117, A 171 540 01 17
• Location on the vehicle: Rear, Left
• Category: ABS Speed Sensors

Purpose and function of the ABS speed sensor

The ABS speed sensor on the rear left side of the axle is responsible for generating a signal that the anti-lock braking system controller uses to monitor brake operation. A properly functioning component allows for:

• precise detection of wheel rotational speed differences during braking,
• stable operation of the ABS system in emergency situations,
• reduction of the risk of wheel lock-up and loss of traction,
• proper cooperation with other vehicle systems that use the wheel speed signal.

The dedicated vehicle location (rear, left side) ensures a proper fit to the wheel hub and suspension geometry in the Mercedes SLK R171 model.

Compatibility and fitment for Mercedes SLK R171

The presented sensor has been designed with the specific architecture of the braking system in the Mercedes SLK R171 generation in mind. The appropriate fit of the shape, cable length, and electrical connector allows for installation in place of the factory component without the need for any wiring modifications.

By maintaining the vehicle manufacturer's standards, the sensor works with the factory ABS controller, which helps maintain the consistency of the entire system's operating parameters. This is particularly important in cars where predictable braking behavior and repeatable reactions of driver assistance systems are essential.

Performance characteristics and benefits of use

Choosing a dedicated rear left ABS speed sensor for the Mercedes SLK R171 allows you to restore proper system operation in the event of typical failure symptoms, such as an illuminated ABS warning light, uneven braking system operation, or errors stored in the controller's memory. Using the correct component brings a number of benefits:

• more stable braking on slippery surfaces,
• better trajectory control during sudden deceleration,
• reduced wear on other braking system components due to proper ABS operation,
• preservation of the functionality of systems linked to wheel speed measurement.

This solution is especially recommended when diagnosing faults related to one specific wheel – in this case, the rear left – where replacing a single sensor is the most effective method of restoring efficiency.

Component condition and installation aspects

The ABS speed sensor offered in this listing is a used part, which allows for an economical repair while maintaining functionality consistent with its intended purpose. Such components, sourced from dismantling, are frequently chosen for vehicles used on a daily basis, where a reasonable balance between cost and repair effectiveness is important.

The vehicle location specified as rear – left side makes it easier for a mechanic or an informed user to quickly locate the mounting point. In practice, this translates into shorter service time and a lower risk of error when selecting parts.

Technical support and knowledge about the drivetrain

When diagnosing problems with the operation of the ABS system and components working with the drivetrain, it is worth expanding your knowledge about typical signs of wear and methods for verifying the condition of components. Practical tips can be found in the article: Second-hand differential – what you should know about used differentials, sensors, and drivetrain systems, where issues such as selecting used sensors and drivetrain components are discussed.

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 anti-lock system, check the available parts in the Mercedes ABS speed sensor category.