Mercedes SLK R170 Climate Control Air Conditioning Module Unit A1705450005

Mercedes SLK R170 Climate Control Air Conditioning Module Unit is a specialized electronic component responsible for the precise management of air conditioning and ventilation within the cabin. As part of the Electronic control modules and controllers group, it ensures consistent operation with the vehicle's remaining electronics, which translates into stable thermal conditions inside the interior. This used OEM component is a sensible choice for servicing an aging roadster, allowing you to maintain original functionality without excessive costs.

Specifications and technical data

• SKU: A1705450005
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1705450005
• Substitutable numbers: A1705450005, A 170 545 00 05
• Location on the vehicle: Rear, Right
• Category: ECUs & Computer Modules

Purpose and function in the air conditioning system

The presented air conditioning module is designed to work with the electrical system of the Mercedes SLK R170 generation, responsible for controlling the operating parameters of the cabin cooling and heating system. Its task is to process signals from sensors and the control panel into appropriate commands for actuators, which enables the maintenance of the set temperature and driving comfort.

Its location in the rear right part of the vehicle means that the module works with the wiring harness routed in this area of the body, so it is important to properly route the connectors and check the condition of the wires during replacement. Thanks to its factory design, the module integrates with the existing electrical architecture without the need for system modifications.

Benefits of using an original Mercedes module

Using an original air conditioning module dedicated to the SLK R170 allows you to maintain consistency with the factory software and control logic. This is particularly important in vehicles where the comfort and air conditioning system is linked to other controllers, such as body modules or safety systems.

Key advantages include:

• maintaining factory operating parameters of the air conditioning system,
• proper cooperation with the electrical system and other controllers,
• reducing the risk of communication errors in the vehicle's bus,
• possibility of diagnostics using standard service tools designed for the Mercedes brand.

The used OEM component is also a cost-effective solution while maintaining the high quality of workmanship characteristic of the Mercedes brand.

Installation and technical aspects

The air conditioning module intended for the rear right part of the vehicle requires installation at the appropriate mounting point, in accordance with the factory body design. Thanks to the serial construction intended for the SLK R170, installation comes down to correctly seating the controller and connecting the dedicated electrical connectors, without the need for wiring modifications.

Before installation, it is recommended to:

• verify the module's compatibility with the vehicle based on the OEM part number and interchangeable numbers,
• check the condition of the connectors and seals at the mounting location,
• verify the correct operation of the air conditioning system after installation, using computer diagnostics.

This approach minimizes the risk of repeated interference with the system and allows for the quick restoration of full comfort system functionality.

Why it is worth choosing a used electronic module

In the case of older models, such as the SLK R170, choosing a used air conditioning module is often the most rational service solution. It allows you to keep the vehicle in full working order while reducing repair costs compared to purchasing a new controller. Additionally, original dismantled modules retain their factory specifications, which facilitates integration with existing electronics.

If you want to better understand when choosing used automotive electronics is profitable and how to safely select controllers and comfort modules, it is worth checking out the guide: Second life for electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?.

Expanding the control system in a Mercedes

If you are planning a comprehensive repair or upgrade of the comfort and air conditioning zone in your Mercedes and need other elements from the same group, such as additional controllers, management modules, or electronic units, check the available parts in the Electronic control modules and controllers Mercedes category.

For owners of older models who are facing limited availability of new components, the following practical material on dismantled parts may also be helpful: No parts at the authorized service center? How to deal with repairing older models using dismantled parts.