Mercedes-Benz SLS ML G C197 W164 W463 Relay Fuse 5-Pin Green Hella A0025427619

Mercedes-Benz SLS ML G C197 W164 W463 Relay Fuse 5-Pin Green Hella is an original, used component from the Relays category, designed for use in the electrical systems of Mercedes vehicles. The green housing facilitates quick identification in the fuse box, and the five-pin design allows for precise control of selected electrical circuits. This is a practical solution for users looking for parts with proven quality and stable operating parameters.

Specifications and technical data

• SKU: A0025427619
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0025427619
• Substitutable numbers: A0025427619, A 002 542 76 19, 4RA007791, 4RA007 791
• Color: Green
• Category: Relays

Relay application and function

The presented five-pin relay is an actuator in electrical systems, responsible for safely switching higher-load circuits using a low-current control signal. In Mercedes vehicles, it can support various consumers, such as comfort modules, selected lighting systems, or other auxiliary circuits, depending on the specific model configuration.

The five-pin architecture allows for more complex switching functions than simple four-pin relays, which translates into greater flexibility in designing the vehicle's electrical system. Thanks to this, the part works well both as a replacement element in the event of a failure and during service work related to system diagnostics.

Construction, color, and identification

The green housing makes it easy to visually distinguish the relay from other components in the fuse box or relay panel. This is a practical service solution – a mechanic or automotive electrician can locate the correct component faster during diagnostics or replacement.

Five contact pins ensure a stable connection with the vehicle's wiring socket, which limits the risk of loose contacts and associated voltage drops. As a Hella brand product, the relay is designed to maintain proper mechanical durability and resistance to typical operating conditions in the engine compartment or vehicle interior.

Compatibility with Mercedes vehicles

The relay has been developed to work with selected Mercedes models, including the C197, W164, and W463 series, in accordance with the factory solutions used in the electrical systems of these vehicles. This means maintaining the correct operating characteristics in original sockets and compliance with the electrical parameters specified by the car manufacturer.

Before installation, it is recommended to verify compatibility with the specific vehicle equipment version using service documentation or a parts catalog. Such an approach minimizes the risk of selecting the wrong component and speeds up the repair or diagnostic process.

Condition, service purpose, and advantages of use

The offered relay is a used component, which makes it an attractive cost-effective alternative compared to new parts, while maintaining the functionality required for daily operation. This type of part is particularly suitable for vehicles where the priority is to maintain the efficiency of electrical systems at reasonable service costs.

The main advantages of using this relay include:

• maintaining the original concept of the Mercedes vehicle's electrical system,
• a five-pin design enabling more extensive switching functions,
• easy identification thanks to the characteristic green housing,
• the possibility of use as a spare part in a professional service or independent workshop.

Mercedes relays – expansion and system service

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 protection elements, check the available parts in the Mercedes Relays category.

Technical support and service knowledge

When working with control systems, including actuators that work with the transmission, it is worth using reliable sources of knowledge. For users interested in the subject of diagnostics and component selection within the drivetrain, the guide article Transmission: manual, automatic, or DSG – typical faults and a guide to buying a used transmission may be useful, which helps to better understand the relationships between electrical equipment and transmission operation.