Mercedes W204 Anti-Theft Alarm Siren Horn Signal Bracket Holder A2045456740

The Mercedes W204 Anti-theft Alarm Siren Bracket is an original mounting component designed for the stable placement of the alarm's sound signal within the vehicle's compartment. Thanks to its factory geometry and precise fit for the W204 body, it ensures secure mounting, correct siren positioning, and predictable alarm system behavior.

Specifications and technical data

• SKU: A2045456740-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2045456740
• Substitutable numbers: A2045456740, A 204 545 67 40
• Category: Horns

Purpose and Function in the Alarm System

The presented bracket is a mounting element for the anti-theft alarm siren in Mercedes C-Class W204 generation models. It is responsible for the proper positioning of the siren relative to the body, which translates to appropriate sound propagation and protection of the component itself from excessive vibrations and unfavorable operating conditions.

The bracket's factory design allows for maintaining the original wiring route and correct alignment with adjacent engine compartment components. This is particularly important during alarm system servicing when adherence to the manufacturer's solutions is desired.

Construction and Fit for Mercedes W204

The siren bracket has been specifically designed for the W204 body architecture, ensuring:

• precise mounting points to factory holes and brackets,
• stable support for the alarm siren's housing,
• appropriate clearance from body and installation elements,
• maintenance of the siren's operational position as intended by the manufacturer.

This allows for an organized installation process, without the need for modifications, custom-made mounts, or makeshift solutions that could reduce the alarm system's reliability.

Performance Characteristics and Advantages of OEM Solution

The original alarm siren bracket for the Mercedes W204 ensures consistency with the vehicle's factory design. Using an OEM component allows for:

• maintaining the proper rigidity of the siren mounting,
• minimizing vibration transfer to the siren housing,
• reducing the risk of looseness and unwanted noises during driving,
• preserving the aesthetic, organized layout of the alarm installation.

This solution is particularly recommended for repairs after collisions, replacement of damaged mounts, or restoring the vehicle to its factory specification.

Component Condition and Service Application

The offered bracket comes from the Horns category and is a used part, making it an attractive cost-effective alternative to new parts while retaining its original geometry and purpose. It is suitable for both routine repairs and comprehensive rebuilding of the alarm system in Mercedes C-Class W204 vehicles.

Expanding the Signaling System in Mercedes

If you are planning a comprehensive repair or upgrade of the signaling zone in your Mercedes and need other components from the same group, such as sound signals, additional mounts, or brackets, check the available parts in the Mercedes Horns category.

To better plan servicing work in areas related to safety and exhaust systems, it is worth expanding your knowledge of other vehicle systems – a practical addition could be the article EGR: What It Is and Why Consider Used EGR Valves, which helps understand the interdependencies between individual components in modern cars.