Brake Pad Wear Sensor Mercedes ML W166 GLE C292 Front Right O/S A1665400105

Brake Pad Wear Sensor Mercedes ML W166 GLE C292 Front Right O/S is an item from the ABS speed sensor category, designed for operation in the front right wheel of Mercedes vehicles. This solution allows for the restoration of proper anti-lock braking system (ABS) operation, ensuring stable rotational speed readings and predictable vehicle behavior during braking.

Specifications and technical data

• SKU: A1665400105
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1665400105
• Substitutable numbers: A1665400105, A 166 540 01 05
• Location on the vehicle: Front, Right
• Category: ABS Speed Sensors

Purpose and function of the sensor

The offered sensor is dedicated to installation in the front right wheel area, where it is responsible for precise measurement of the hub's rotational speed and transmitting the signal to the ABS control unit. A properly functioning component of this type allows for:

• stable distribution of braking force on individual wheels,
• maintaining control over the vehicle during emergency braking,
• reducing the risk of wheel lock-up on slippery surfaces,
• cooperation with other safety systems that utilize the wheel speed signal.

Thanks to its fitment for a specific location on the vehicle, the sensor works with the factory installation, which facilitates assembly and reduces the risk of installation errors.

Technical characteristics and fitment

As an element from the ABS speed sensor group, the product has been designed to work with the factory Mercedes braking system. The design intended for operation in the front right wheel ensures proper cable routing, correct positioning relative to the impulse ring, and compatibility with the vehicle's electrical socket.

It is always worth confirming the selection of the sensor for a specific model based on the OEM part number and interchangeable numbers visible in the technical specification – this helps avoid problems with assembly and communication with the vehicle's electronics.

Benefits of using an original ABS sensor

Using a properly selected sensor on the front axle on the right side translates into a number of practical operational benefits:

• Stable ABS operation – correct wheel speed readings minimize the risk of incorrect system intervention during braking.
• Better cooperation with assistance systems – the signal from the sensor is also used by other modules, which affects the overall behavior of the vehicle.
• Reduction of errors and warning messages – a functional component allows for the elimination of typical damage symptoms, such as illuminated ABS or ESP warning lights.
• The possibility of an economical repair of the braking system without the need to interfere with other components.

The product is marked as used, which allows for reducing repair costs while maintaining the original specification and fitment for the Mercedes installation.

Application in service practice

Brake Pad Wear Sensor Mercedes ML W166 GLE C292 Front Right O/S will prove useful both for a typical replacement of a damaged component and for diagnosing problems with the anti-lock system. This is particularly important in situations where the following occur:

• intermittent ABS operation during braking,
• uneven operation of electronic stability control systems,
• errors stored in the controller's memory regarding the front right wheel speed.

Choosing an original sensor from this group allows for maintaining consistency of operating parameters with other elements of the braking system, which is important from the point of view of safety and predictability of vehicle behavior.

System expansion and selection of other elements

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 for the remaining wheels, signal cables, or mounts, check the available parts in the Mercedes ABS speed sensor category.

When making a decision about installing a used sensor, it is also worth familiarizing yourself with practical tips regarding automotive electronics – selection, testing, and safe use of such components. This topic is discussed more broadly in the article The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?, which will help you approach the choice of used electronic components in the vehicle consciously.