Mercedes-Benz A B Class W169 W245 Radio Remote Alarm Key Fob Button A1697661706

Mercedes-Benz A B Class W169 W245 Radio Remote Alarm Key Fob Button is an original component from the Switches, control elements and ignition locks group, designed for remote operation of the central locking system and vehicle ignition. This used key fob ensures a factory fit for the Mercedes electrical installation and compatibility with the vehicle's electronics, which facilitates configuration and integration with the existing security system.

Specifications and technical data

• SKU: A1697661706-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1697661706
• Substitutable numbers: A1697661706, A 169 766 17 06
• Category: Switches & Controls

Function and application of the key fob

The presented key fob is designed for Mercedes W169 and W245 class models, where it is responsible for convenient lock control and interaction with the ignition and immobilizer system. As a component integrated with the vehicle's electronics, the key acts as a signal transmitter that is recognized by the car's control modules, enabling driver authorization and engine start.

Thanks to a design compliant with the manufacturer's standards, the key is adapted to operate in a demanding automotive environment, maintaining appropriate resistance to typical operational loads, such as frequent use or temperature changes.

Construction and integration with the control system

The key fob belongs to the Switches, control elements and ignition locks group, which means it works with the electronic system responsible for ignition operation and start-up blocking. Inside the housing, there is transmission electronics and a slot for a transponder that communicates with the ignition module and the vehicle's security system.

This solution allows for:

• consistent cooperation with factory Mercedes control modules,
• maintaining the original logic of the central locking and ignition operation,
• easier adaptation in the vehicle compared to universal replacements.

Product condition and utility aspects

The key fob is offered as a used component, which in practice means it comes from disassembly and may show signs of previous use, while maintaining functionality suitable for further use after proper adaptation. This type of solution is cost-effective and at the same time allows for maintaining the original manufacturer's specification.

Before installation and coding, it is recommended to verify compatibility with the electronics of the specific vehicle and to carry out programming procedures in accordance with the service guidelines of Mercedes or a specialized workshop.

Benefits of using an original Mercedes key fob

Using an original key fob in a Mercedes W169 or W245 brings a number of practical benefits:

• Factory fit – design compliant with the manufacturer's requirements facilitates integration with the existing ignition and immobilizer system.
• Consistency with vehicle electronics – maintaining the original operating parameters of the control system and communication with body modules.
• Reasonable cost-quality compromise – a used OEM component allows for reducing expenses while maintaining high functionality.

For workshops and individual users, this means the possibility of efficient repair or replacement of a damaged remote control without the need to resort to less predictable universal solutions.

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

Safety and selection of used electronic components

When choosing a used key fob, it is worth paying attention to compatibility with the vehicle's electronic system, the possibility of correct coding, and the condition of the housing and buttons. A properly selected and prepared component will allow you to maintain the functionality of the central locking and starting system at a level close to the factory one.

If you want to expand your knowledge on the safe selection of used components in critical vehicle systems, the article on our blog may be helpful: Second-hand braking system: how to safely choose discs, calipers and ABS?, which discusses good practices when purchasing components from the secondary market.