Mercedes C118 C253 Rear Bumper Switch Sensor Module A2139058101

The Mercedes C118 C253 Rear Bumper Switch Sensor Module is an original part designed for the rear body zone, responsible for the precise operation of bumper-based sensors and switches. Thanks to its factory design, the module ensures correct communication with the vehicle's electrical system and stable cooperation with onboard systems. This solution is dedicated to users who expect consistency with the factory electronics architecture in Mercedes models.

Specifications and technical data

• SKU: A2139058101
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2139058101
• Substitutable numbers: A2139058101, A 213 905 81 01
• Location on the vehicle: Rear
• Category: Other Starters, Alternators, ECUs & Wiring

Module Purpose and Function

The rear bumper switch sensor module is responsible for handling signals from components located in the rear of the vehicle. Its task is to transmit information to the appropriate control units, enabling the correct functioning of systems related to the rear body zone.

Thanks to its dedicated placement in the rear of the vehicle, the module is optimized for operation in conditions characteristic of a bumper – exposure to vibrations, temperature changes, and humidity.

Compatibility and Vehicle Integration

The offered part comes from the Mercedes range, meaning full compatibility with the electrical system and system architecture used in relevant models of this brand. The module's design is prepared for cooperation with factory wiring harnesses and connectors, which facilitates installation and reduces the risk of installation errors.

In practice, this means that after correct connection, the module can be integrated into the existing vehicle configuration without the need for system modifications, which is particularly important for maintaining compliance with diagnostics and service software.

Characteristics of the Used Part

The module is offered as a used part, allowing for economical system repair while maintaining the original manufacturer's specifications. This type of solution is often chosen for vehicle servicing where maintaining consistency with factory components is crucial, while also optimizing operating costs.

For electronic components, it is important that they come from a reliable source – using an original module from the same product line increases the chances of seamless cooperation with other control units in the vehicle.

Importance of Correct Module Selection

Selecting the correct rear bumper switch sensor module directly impacts the stability of systems located in the rear of the car. An incorrectly selected part can cause diagnostic errors, warning messages on the instrument cluster, or incorrect operation of functions related to the rear body zone.

A properly matched module helps maintain vehicle configuration consistency, which is important for both safety and everyday driving comfort.

System Expansion and Related Parts

If you are planning a comprehensive repair or upgrade of the rear bumper area in your Mercedes and need other parts from the same group, such as additional modules, sensors, or switches, check the available parts in the Other Mercedes category.

Technical Knowledge and Selection Support

When working with vehicle electronics, it is advisable to rely on proven sources of information and the experience of specialists. To compare solutions used in various brands and segments of sports and standard cars, material discussing construction differences in engines, brakes, and chassis may be helpful – you can find it in the article Audi RS vs. Other Models – What's Under the Hood and Chassis?.

If you are interested in a broader context of operating and servicing vehicles with the star on the hood, including selecting appropriate components, it is also worth familiarizing yourself with the guide dedicated to popular powertrains of this brand: Reliability Under the Star – How to Care for Engine Components in Popular Mercedes-Benz C-Class and E-Class Models?.