Mercedes A C Class W168 W202 W203 Relay 6-Pin Green Tyco A0025420319

MERCEDES W168 W202 W203 TYCO Relay is an original electrical system component designed for selected Mercedes compact and mid-size class models. This green relay, sourced from disassembly, allows for the preservation of factory control logic and electrical system consistency, which is particularly important for precise diagnostics and repairs. By using a component from the Gear Shift Levers and Knobs group, you can restore the correct functionality of systems related to gearbox operation without altering the vehicle's original architecture.

Specifications and technical data

• SKU: A0025420319
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0025420319
• Substitutable numbers: A0025420319, A 002 542 03 19, EM
• Color: Green
• Category: Gearsticks & Gear Knobs

Application and Function in the Gear Shifting System

The TYCO relay in Mercedes W168, W202, and W203 models works with circuits responsible for controlling elements in the gear shifting area. Its task is to reliably switch electrical loads according to control signals from the vehicle's modules, which translates to stable operation of related components.

In practice, this means that a correctly selected relay helps maintain:

• consistent operation of systems related to the gear shift lever or knob,
• correct response of the electrical system to control signals,
• reduced risk of random power interruptions in selected circuits.

Benefits of Using an Original Mercedes Relay

Using an original relay from the Gear Shift Levers and Knobs group allows for maintaining operating parameters in line with the vehicle manufacturer's specifications. This type of component is designed for a specific electrical architecture, ensuring compatibility with factory modules without the need for installation modifications.

Key advantages include:

• preservation of the factory operating characteristics of control systems,
• better predictability of system behavior compared to random replacements,
• easier diagnostics – relay parameters are known to service centers working with the Mercedes brand.

Visual Characteristics and Identification

The relay is distinguished by its green housing color, which facilitates its identification in the fuse box or relay panel. The uniform color scheme is helpful during servicing – a mechanic or electrician can more quickly locate the correct component among others.

Manufacturer markings and assignment to a specific Mercedes reference number allow for verification of vehicle compatibility during parts selection, minimizing the risk of installing the wrong component.

Condition, Origin, and Technical Aspect

The offered relay is a used item, sourced from the disassembly of a Mercedes vehicle. Components of this type are often chosen for servicing older generations of W168, W202, and W203 models, where both technical compatibility and cost-effective repairs are important. A used relay allows for maintaining the original system specification without resorting to unreliable aftermarket parts.

For many workshops and private users, this is a solution that combines correct functionality with a favorable price-to-quality ratio, especially for elements with a simple yet crucial role in the electrical system.

Relay Selection and Gearbox – Practical Knowledge

When working on the gear shifting system – whether it concerns a manual or automatic transmission – maintaining the compatibility of all electrical components is crucial. The correct selection of a relay is important for both the proper functioning of circuits and operational safety.

If you want to better understand the dependencies between electrical equipment and the gearbox itself, and are considering various repair scenarios, it is worth reading the guide: Used Gearbox – When is it Worth It and What You Need to Remember. The article helps assess when investing in used components is justified and what to look for when assembling accompanying parts.

Expanding the System within the Same Group

If you are planning a comprehensive repair or upgrade of the gear shift operation area in your Mercedes and need other parts from the same group, such as additional levers, alternative knobs, or related control elements, check the available parts in the Mercedes Gear Shift Levers and Knobs category.

To better plan your purchases and gather various used components in one place – from electrical parts to small mounting accessories – the one-stop-shop purchasing guide may be helpful: Comprehensive Sourcing: From Engine to the Smallest Clip – How to Assemble Used Car Parts in One Place?. This will make it easier to organize a complete set of parts needed for an efficient repair of your Mercedes.