Mercedes W117 W154 W205 W213 W217 Tailgate Open Switch Sensor Rear A2059055211

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W117 W154 W205 W213 W217 Tailgate Open Switch Sensor Rear is a component from the Electronic control modules and controllers group, responsible for precisely detecting the position of the tailgate at the rear of the vehicle. It enables the proper operation of the trunk opening and closing system, contributing to user comfort and the correct functioning of related electronic systems. This solution is designed for users who expect efficient, stable operation of body electronics in Mercedes vehicles.

Specifications and technical data

• SKU: A2059055211
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2059055211
• Substitutable numbers: A2059055211, A 205 905 52 11
• Location on the vehicle: Rear
• Part type: Door Control Unit
• Category: ECUs & Computer Modules

Purpose and function of the tailgate sensor

The presented sensor operates in the rear body area, where it is responsible for monitoring the open/closed status of the tailgate. Its signal is used by comfort systems and other controllers, which can use this data to control trunk lighting, instrument cluster alerts, or central locking logic. As a result, the vehicle's electronic system receives clear information on whether the tailgate is closed or open.

In Mercedes W154, W205, and W213 series vehicles, such a sensor is a vital element of the coherent electronic architecture, working in conjunction with body modules and safety systems. A properly functioning component of this type reduces the risk of error messages on the dashboard and issues with closing or locking the tailgate.

Electronic control modules and controllers in Mercedes

As part of the Electronic control modules and controllers category, the tailgate open switch sensor works with other components responsible for managing comfort and body functions. In modern Mercedes designs, signals from sensors are integrated into the vehicle's communication network, allowing for the coherent operation of multiple systems simultaneously. A stable signal from the sensor is therefore important not only for the tailgate itself but also for the correct operation of related electronic functions.

If you are planning a comprehensive repair or upgrade of the rear body area in your Mercedes and need other elements from the same group, such as comfort modules, body controllers, or additional position sensors, check out the available parts in the Mercedes electronic control modules and controllers category.

Installation and operational characteristics

The sensor is designed for installation in the rear of the vehicle, in the immediate vicinity of the tailgate. Its design is adapted to work with the factory Mercedes electrical installation, which facilitates integration with the existing wiring harness and controllers. Proper placement on the vehicle allows for reliable detection of the tailgate position, which translates into predictable operation of the opening and closing system.

The element comes from a used vehicle, which in practice means it has previously been in operation under real road conditions. Such electronic components, originating from original installations, often retain full functionality, providing a cost-effective solution for repairs or restoring the factory equipment configuration.

Why consider used Mercedes electronics

In the case of sensors, modules, and controllers used in Mercedes vehicles, choosing a used component can be a rational compromise between cost and maintaining the original specification. Components of this type are designed with a high durability margin, which is why they can continue to operate stably with proper use. For many users, maintaining consistency with the vehicle's factory electronic system is also important.

To better assess when choosing a used sensor or module is justified, it is worth checking out the guide on our blog: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?. You will find practical tips there regarding the selection and verification of used automotive electronics.

Summary

Mercedes W117 W154 W205 W213 W217 Tailgate Open Switch Sensor Rear is a component designed to operate in the rear of the vehicle, working with comfort and body systems in Mercedes cars. It belongs to the group of electronic components responsible for transmitting precise information about the status of the tailgate, which affects user convenience and the correct operation of related functions. Choosing such a solution allows for maintaining consistency with the vehicle's factory electronic architecture and can be an effective way to restore full functionality to the trunk opening system.