Mercedes W176 W246 Relay 5-Pin Yellow Hella 12V SET X2 A0025428919

Mercedes W176 W246 Relay 5-Pin Yellow Hella 12V SET X2 are original components from the Relays group, designed for use in the electrical systems of Mercedes vehicles. This set of two yellow 5-pin 12V Hella relays allows for the efficient replacement of worn-out components and maintains the stable operation of the vehicle's electrical circuits.

Specifications and technical data

• SKU: A0025428919-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0025428919
• Substitutable numbers: A0025428919, A 002 542 89 19, KD
• Color: Yellow
• Category: Relays

Technical specifications and application

The presented set includes two 5-pin relays in Yellow, operating in a 12V system, compliant with the electrical requirements of Mercedes compact class vehicles. The 5-pin design allows these relays to be used in typical control circuits, such as powering receivers, switching circuits, or relieving sensitive control elements.

Their original origin from the Mercedes group and production by the renowned supplier Hella help maintain the proper operating parameters of the electrical system, including voltage stability and correct load switching. Using two identical elements in the set facilitates the simultaneous replacement of relays in critical circuits, which helps reduce the risk of unplanned electrical system interruptions.

Construction and functional features

The yellow relay housing ensures clear identification in the fuse box or relay module, which facilitates service and diagnostics. The standard five-pin layout allows for installation in factory sockets without the need for wiring modifications, and the compact form is matched to the space provided by the vehicle manufacturer.

Thanks to the preservation of factory pin geometry and appropriate electrical characteristics, the relays work with the existing installation in a predictable and repeatable manner. This solution promotes the maintenance of electrical parameter consistency throughout the vehicle, which is particularly important in modern electronically controlled systems.

Benefits of using original Mercedes relays

Choosing original relays from the Mercedes group translates into several practical benefits:

• maintaining compatibility with the vehicle's factory electrical system,
• reducing the risk of control system malfunctions,
• easier diagnostics thanks to standard coloring and pin layout,
• possibility of plug-and-play replacement in the factory mounting location.

For users who expect predictable operation and want to avoid problems resulting from the use of random replacements, using such relays is a technically sound and safe solution.

Condition of components and practical installation tips

The offered set comes from a group of used components, which allows for an economical replacement of relays while maintaining the manufacturer's original specifications. Before installation, it is recommended to perform a standard inspection of the sockets and wiring for any signs of overheating or corrosion to ensure stable electrical contact and long-term operation of the component.

Replacing a relay is usually a service task that does not require extensive interference with the installation – after locating the correct socket, simply remove the old element carefully and seat the new one, paying attention to the correct alignment of the pins. This approach allows for the quick restoration of the proper operation of a given electrical circuit.

System expansion and related components

If you are planning a comprehensive repair or upgrade of the electrical system area in your Mercedes and need other elements from the same group, such as additional relays, control modules, or circuit relief elements, check the available parts in the Mercedes Relays category.

If you want to better evaluate the validity of using aftermarket components and learn reliable information about their operation, it is worth reading the article Used car parts: Myths and facts you need to know, which clearly organizes the most common doubts related to such solutions.