Mercedes C118 W167 W177 W247 AMG Radio Remote Alarm Key Fob Button A1779059504

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes C118 W167 W177 W247 AMG Radio Remote Alarm Key Fob Button is an original component from the Switches, controls and ignition locks group, designed for selected Mercedes C, E, and S-Class models. The product is offered in for parts or not working condition, making it a good choice as a donor for the housing, buttons, or components to refurbish an existing key.

Specifications and technical data

• SKU: A1779059504
• Mark: Mercedes (Genuine OE)
• Condition: For parts or not working
• OEM Part Number: A1779059504
• Substitutable numbers: A1779059504, A 177 905 95 04
• Category: Switches & Controls

Purpose and function of the "fish" type key

The presented remote control acts as a central control element for the vehicle's locking and starting system in Mercedes W203, W204, W211, and W220 models. The characteristic "fish" design integrates buttons responsible for operating the locks and interacting with the electronic ignition system, which is important for both user comfort and vehicle security.

Due to its condition, the key is particularly useful for workshops specializing in automotive electronics and for individuals involved in professional remote control refurbishment who need original housing components or buttons to restore the full functionality of an existing key.

Construction and functional elements

The "fish" type key combines several essential components in one housing: the mechanical part, control electronics, and the button assembly. In practice, this means it can be used as:

• a donor for the housing in case of mechanical damage or cracks in the used key,
• a source of buttons when the rubber pads on the operating remote have worn out or become damaged,
• a base for advanced service work on lock and ignition control systems.

For many users and service centers, it is important that this is an item from the Switches, controls and ignition locks group, which facilitates the selection of parts within the same functional area of the vehicle.

Application in service and refurbishment

Due to its condition defined as for parts or not working, the product is intended primarily for:

• professional key refurbishment in specialized centers,
• sourcing original components to repair damaged remote controls,
• training and testing purposes in the field of Mercedes automotive electronics.

This approach allows for reducing the costs of a full key replacement while maintaining high compatibility with the manufacturer's factory solutions. For workshops, this means the ability to flexibly adjust the scope of repair to the customer's needs, using original structural elements.

Integration with the Mercedes control system

The "fish" type remote key works with Mercedes electronic vehicle control systems, handling comfort functions and communication with body modules. Even when used solely as a parts donor, maintaining the original geometry of the housing and buttons is important for proper assembly and ergonomics after refurbishment.

In practice, this allows for restoring the original appearance and ease of use of the key, which is significant both from the user's perspective and the vehicle's value on the secondary market.

If you are planning a comprehensive repair or upgrade of the control and ignition area in your Mercedes and need other elements from the same group, such as various types of switches, control elements, or ignition components, check the available parts in the Mercedes switches, controls and ignition locks category.

Benefits of choosing original used Mercedes components

For premium brands like Mercedes, using original components – even in the form of used parts intended for refurbishment – allows for maintaining the technical consistency of the vehicle. For many users, this is a reasonable compromise between cost and quality, especially for elements integrated with comfort and safety electronics.

If you are considering broader use of dismantled components in your car of this brand, it is worth familiarizing yourself with the practical tips contained in the article Used parts for Mercedes – original parts from dismantling, which discusses how to consciously select such elements and what to pay attention to when purchasing.