Mercedes C140 W210 Multifunctional Purpose Relay Fuse Unit Module A0015427419

Mercedes C140 W210 Multifunctional Purpose Relay Fuse Unit Module is a specialized component from the Fuses and fuse boxes group, designed for operation in the rear part of the vehicle. A properly selected relay ensures stable operation of selected electrical circuits, which translates into trouble-free operation of comfort and safety systems in Mercedes cars.

Specifications and technical data

• SKU: A0015427419
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0015427419
• Substitutable numbers: A0015427419, A 001 542 74 19
• Location on the vehicle: Rear
• Category: Fuses & Fuse Boxes

Purpose and function of the relay

Mercedes C140 W210 Multifunctional Purpose Relay Fuse Unit Module has been designed for operation in the rear zone of the vehicle, where it is responsible for switching selected electrical circuits while maintaining appropriate current parameters. As a component from the power control group, it works with the installation located in the rear body area, supporting the correct operation of components dependent on power controlled by a low-current signal.

This type of relay is essential wherever it is required to separate the control circuit from the actuator circuit, as well as to limit the load on switches, control modules, and electrical harnesses. Thanks to this, the electrical installation remains more resistant to overloads and operational wear.

Benefits of using an original Mercedes component

Using a relay dedicated to the C140 and W210 model families allows for maintaining consistency of electrical parameters with the factory installation design. The appropriate operating characteristics, matched to the system architecture, reduce the risk of improper operation of protections, errors in module operation, and unwanted voltage drops.

For the user, this means:

• stable switching on and off of circuits in the rear part of the vehicle,
• compliance with factory service documentation,
• easier diagnostics in case of potential installation faults.

Installation and operational characteristics

The relay is adapted for installation in the rear part of the car, within power supply systems protected by Fuses and fuse boxes. The design intended for a specific vehicle platform facilitates proper seating in the socket and correct connection to the existing electrical harness.

In practice, this translates into:

• reducing the time required to replace the component,
• reducing the risk of incorrect connection,
• maintaining the clarity of the installation within the rear body area.

Application in Mercedes vehicles

The relay intended for Mercedes models from the C140 and W210 families is a solution that allows for maintaining consistency with the factory electrical system concept. Choosing a component from the same construction group as the one originally installed in the vehicle promotes long-term and predictable operation of the installation, without the need for modifications to harnesses or fuse boxes.

Expansion of the protection system in Mercedes

If you are planning a comprehensive repair or upgrade of the electrical installation area in your Mercedes and need other components from the same group, such as additional relays, power distribution modules, or circuit protection elements, check the available parts in the Mercedes Fuses and fuse boxes category.

For drivers interested in a broader perspective on the topic of used components in the automotive industry, including issues of durability and cost-effectiveness of installing aftermarket parts, an article dedicated to the Volkswagen brand may be helpful – you can find it here: Volkswagen – solidity and reliability. Why are used VW parts a reasonable choice?.