Mercedes CL C118 W177 Anti Theft Alarm Siren Horn Signal Fanfare A2239005936

Mercedes CL C118 W177 Anti Theft Alarm Siren Horn Signal Fanfare is an original component from the Horns category, designed to work with the factory alarm system of Mercedes vehicles. This used OEM component ensures consistency with the vehicle's electrical installation, maintaining the correct acoustic parameters and logic of the alarm operation.

Specifications and technical data

• SKU: A2239005936
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2239005936
• Substitutable numbers: A2239005936, A 223 900 59 36
• Category: Horns

Purpose and function in the vehicle

The alarm siren horn in Mercedes CL C118 and W177 models is responsible for generating a clear audible signal in situations where vehicle security is breached. This component works with the central alarm module, reacting to door openings, cabin movement, or unauthorized attempts to start the vehicle.

By using the original alarm horn, the proper volume, sound characteristics, and compatibility with factory software are maintained, which is important for both the effectiveness of the security system and the absence of errors in the diagnostic system.

Construction and integration with the installation

The alarm siren horn is structurally prepared for installation in a dedicated location on the body, with protection against weather conditions and vibrations. The housing and connectors are designed to work with the Mercedes wiring harness without the need for modifications.

Original manufacturing facilitates:

• proper fitment to mounting brackets,
• stable connection to the electrical installation,
• maintenance of the appropriate acoustic characteristics in the mounting chamber.

Benefits of using an original alarm horn

Using a factory component from the Horns category in a Mercedes alarm system allows you to avoid problems typical of aftermarket replacements, such as incorrect volume, alarm malfunctions, or error messages in the diagnostic system.

Key advantages include:

• maintaining full integration with the vehicle's electronics,
• consistency with factory alarm settings,
• appropriate response to control signals from the comfort module or security system.

Condition and service application

The offered component is in used condition, making it an attractive solution for post-accident repairs, fixing alarm system faults, or restoring system functionality after interference with the electrical installation. Replacing a damaged siren with an original alarm horn allows for restoring proper security operation without the need for modifying wiring or software.

Application in expansion and security upgrades

The alarm siren horn can be used both for standard replacement of a damaged part and for upgrading an existing security system within the CL C118 and W177 models. Thanks to the factory origin of the component, it is possible to maintain the operating parameters specified by the manufacturer, which is important for computer diagnostics and integration with additional comfort functions.

If you are planning a comprehensive repair or upgrade of the acoustic signaling zone in your Mercedes and need other elements from the same group, such as sound signals, additional horns, or signal control modules, check the available parts in the Mercedes Horns category.

For car owners who are also considering acoustic modifications of the vehicle in other areas, practical tips on selecting and installing components that improve the sound of the exhaust system may be useful – more information can be found in the article Used Mini John Cooper Works Pro sports exhaust – a legal way to get a racy sound and +7 HP.