Mercedes C253 Rear Bumper Switch Tailgate Opener Sensor Module A2319059900

The Mercedes C253 Tailgate Opening Sensor Module is an original component of the trunk lid control system, designed for installation in the rear of the vehicle. It ensures precise detection of the tailgate's position, which translates to proper operation of the opening and closing system and operational safety. A used OEM component is a sensible choice for drivers seeking a proven solution at an attractive price.

Specifications and technical data

• SKU: A2319059900
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2319059900
• Substitutable numbers: A2319059900, A 231 905 99 00
• Location on the vehicle: Rear
• Category: Other Starters, Alternators, ECUs & Wiring

Module Purpose and Function

The Mercedes C253 Tailgate Opening Sensor Module is responsible for monitoring the status of the trunk lid and transmitting information to the vehicle's electronics. A properly functioning component is crucial for:

• stable operation of the tailgate opening and closing system (manual or electric, depending on the car's configuration),
• correct operation of lighting and signaling, both external and internal in the trunk,
• integration with comfort and safety systems, such as central locking or alarm.

Its placement in the rear of the body allows for direct reading of the tailgate's position, minimizing delays and communication errors with other control units.

Construction and Integration with Vehicle Electronics

The sensor module is designed to work with the factory electrical system of Mercedes vehicles. This means:

• full compatibility with the electrical architecture of this brand's vehicles,
• dedicated connectors enabling installation without wiring modifications,
• communication with other control units in the vehicle according to the manufacturer's specifications.

Thanks to this, the module maintains the operating parameters intended by Mercedes engineers, which is particularly important in modern comfort and safety systems.

Vehicle Placement and Installation Aspects

The component is designed for installation in the rear area of the body, in the trunk lid zone. This dedicated vehicle placement facilitates servicing and diagnostics, and also reduces the risk of incorrect installation.

• Logical wiring routing – the module works with the factory-installed wiring harness in the rear of the car.
• Stable mounting – designed for factory mounting points, which helps maintain resistance to vibrations and operating conditions.
• Easier diagnostics – a clear installation location makes it easier to locate the component during inspections and repairs.

Installation by a workshop experienced with Mercedes electronics is recommended to maintain the correct system configuration.

Benefits of Using an Original Mercedes Module

Choosing an original tailgate opening sensor module for the Mercedes C253 offers a range of practical advantages:

• factory fit to the installation – no need for adaptation, cutting wires, or using adapters,
• consistency with vehicle software – the module works with the existing control unit configuration,
• maintaining predictable vehicle behavior regarding trunk lid operation,
• reducing the risk of errors and fault messages associated with non-original aftermarket parts.

This is a particularly beneficial solution for users who want to restore full trunk lid functionality without compromising on compatibility.

Practical Application and Part Selection

Before purchasing, it is advisable to compare the module's data with the information in the vehicle's documentation or the diagnostic system readout to confirm compatibility. It is helpful to verify:

• compatibility with the specific body version of the Mercedes C253,
• its intended use for the rear of the vehicle,
• electrical parameters in the context of the existing installation.

This allows the tailgate opening sensor module to be used as an effective solution for repairing the comfort system or replacing a damaged component.

If you are looking for other products in the Other category dedicated to this brand, check out our offer for other Mercedes equipment components to select compatible parts for your car.

Do you want to better understand the design differences of sports car versions and their impact on part selection? See the article Audi RS vs. Other Models – What's Under the Hood and Chassis?, where we discuss key mechanical and operational elements.

For drivers planning a more extensive vehicle service, the guide TOP 10 Most Frequently Replaced Parts in Your Car may also be useful, helping to plan maintenance work and optimize operating costs.