Mercedes W169 W245 Rain Light Sensor Control Unit Wiring A1695401006

The Mercedes W169 W245 Rain Sensor Cable Wire is a component from the Electronic Control Modules and Controllers category, designed for installation in Mercedes A-Class W169 and B-Class W245 vehicles. It ensures a reliable connection between the rain sensor and the vehicle's electrical system, guaranteeing the proper functioning of automatic wipers and related comfort features.

Specifications and technical data

• SKU: A1695401006
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1695401006
• Substitutable numbers: A1695401006, A 169 540 10 06, ASZ
• Category: ECUs & Computer Modules

Purpose and Function of the Rain Sensor Wire

The rain sensor cable in Mercedes W169 and W245 models is responsible for stable signal transmission between the sensor and the control module. A properly functioning wire allows for:

• automatic activation of wipers upon detecting precipitation,
• adjustment of wiper frequency to the intensity of the rain,
• maintenance of high driving comfort and safety in varying weather conditions.

Thanks to proper integration with the vehicle's electrical system, the wire works with factory controllers, preserving the system's full functionality without the need for wiring modifications.

Compatibility with Mercedes Electronic System

The offered wire belongs to the group of Electronic Control Modules and Controllers, and is therefore designed to work with Mercedes' original electrical architecture. In practice, this means:

• maintaining compatibility with factory connectors and mounting points,
• working with the original rain sensor mounted on the windshield,
• proper communication with comfort modules responsible for wiper control.

This type of component is particularly important for diagnosing faults, such as improper operation of automatic wipers, intermittent errors in the comfort system, or no response to rain despite a functional sensor.

Product Characteristics and Condition

The rain sensor wire is a used part, which ensures compatibility with the factory installation standards for Mercedes W169 and W245. A used component of this type is often chosen as a sensible alternative to new parts, especially when aiming for:

• maintaining the original electrical system specifications,
• reducing repair costs while ensuring correct functionality,
• using a part from the same model family.

This makes the wire suitable for both typical replacement of a damaged wiring section and comprehensive repair of the wiper control system.

Practical Application in Service

Replacement of the rain sensor wire is recommended in situations where symptoms such as:

• no wiper response to rain with a functional sensor,
• intermittent operation of the automatic wiper mode,
• signs of mechanical damage or corrosion on the wire connectors.

Due to its classification within the Electronic Control Modules and Controllers group, it is advisable to entrust the installation of the wire to a workshop experienced with Mercedes electrical systems, which minimizes the risk of recurring faults and ensures stable system operation.

Related Content and Other Electronic Components

If you are looking for other components from the Electronic Control Modules and Controllers category dedicated to vehicles of this brand, check out our offer for Mercedes Electronic Control Modules and Controllers, where you will find a wide selection of components for various models.

For more advanced electronic system repairs, it is worth familiarizing yourself with practical tips for working with control modules – an article describing the servicing of iDrive systems and controllers in BMW might be helpful, available here: how to care for electronic systems and modules using used parts. Although it concerns a different brand, it effectively demonstrates the approach to diagnosing and installing used electronic components.