Mercedes-Benz A B Class W169 W245 CD Player Radio Stereo Head Unit A1698705894

Mercedes-Benz A B Class W169 W245 CD Player Radio Stereo Head Unit is a factory head unit designed for the original audio system in A-Class and B-Class models. As a component from the Electronic control modules and controllers group, it works with the vehicle's electrical system, integrating audio control functions and communication with other modules. The product is offered in for parts or not working condition, making it a good source of components for repairs and refurbishment.

Specifications and technical data

• SKU: A1698705894-1
• Mark: Mercedes (Genuine OE)
• Condition: For parts or not working
• OEM Part Number: A1698705894
• Substitutable numbers: A1698705894, A 169 870 58 94, KZ
• Location on the vehicle: Rear
• Category: ECUs & Computer Modules

Purpose and function in the vehicle

The described unit is an original CD radio installed in the Mercedes-Benz A-Class W169 and B-Class W245, serving as the central element of the multimedia system. As an electronic control module, it is responsible for:

• handling CD playback and radio signals,
• controlling basic audio functions in the cabin,
• cooperating with other controllers within the vehicle's electrical system.

The location specified as rear means that the module can also be used as a donor for components for installations routed in the rear part of the vehicle, e.g., in terms of wiring or connectors.

Use as a parts donor and base for refurbishment

Due to its for parts or not working condition, the CD radio from this series is particularly useful as:

• a donor of functional electronic components (circuit boards, connectors, buttons, front panel),
• a base for professional refurbishment of the head unit,
• training material for learning automotive electronics diagnostics and repair.

For workshops specializing in Mercedes electronics, such a module allows for the economical acquisition of original components that maintain factory compatibility with the vehicle's installation.

Benefits of using an original Mercedes module

Choosing an original CD radio as a base for repairs or a source of parts offers several significant advantages:

• Factory compatibility – maintaining compliance with the wiring harness and audio system architecture in the Mercedes-Benz A/B‑Class.
• Consistent integration with other controllers – a module designed to work with other elements from the Electronic control modules and controllers group.
• The ability to use original housing and panel elements, which facilitates aesthetic interior repair.

Thanks to this, the product is valuable both for service centers and for advanced hobbyists dealing with Mercedes automotive electronics.

Mercedes electronic control modules and controllers – expansion and service

If you are planning a comprehensive repair or upgrade of the electrical installation and multimedia system area in your Mercedes and need other elements from the same group, such as comfort controllers, audio modules, or communication control units, check the available parts in the Mercedes electronic control modules and controllers category.

Service tips and knowledge about electronic modules

When working with audio modules and controllers in modern cars, it is worth knowing good diagnostic practices, coding procedures, and the principles of safe power supply for circuits. Materials regarding related systems in other premium brands may be helpful – the operating principle of many controllers is similar, which makes it easier to transfer experience between different models.

If you want to expand your knowledge about working with multimedia modules and controllers in premium cars, take a look at the article Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models using dismantled parts?, which describes a practical approach to diagnostics and the use of used parts.

Summary

Mercedes-Benz A B Class W169 W245 CD Player Radio Stereo Head Unit is an original module from the Electronic control modules and controllers group, offered as an item in for parts or not working condition. It will prove useful as a source of compatible components, a base for refurbishment, or training material for automotive electronics specialists who want to maintain factory solutions in Mercedes vehicles.