Mercedes W205 Diesel Engine Starter Alternator Electrical Cable M264 A2055402480

Mercedes W205 Diesel Engine Starter Alternator Electrical Cable is an original electrical system component designed for the precise connection of the starting and charging system in diesel units. Thanks to its factory fitment for the W205 platform, it ensures stable power supply to the starter and a secure connection to the alternator, which translates into reliable starting and proper operation of the charging system.

Specifications and technical data

• SKU: A2055402480
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2055402480
• Substitutable numbers: A2055402480, A 205 540 24 80
• Fuel type: Diesel
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the electrical system

This cable belongs to the Cables, harnesses and connectors group and is designed specifically for use with diesel engines in Mercedes C-Class W205 generation models. It is responsible for transmitting high current between the battery, starter, and alternator, which is crucial for:

• efficient starting of a cold or warm diesel engine,
• stable battery charging while driving,
• reducing voltage drops at critical points of the installation.

The factory geometry of the cable and appropriately selected wire cross-sections allow for maintaining proper electrical parameters even under high loads typical for diesel units.

Construction, fitment and installation

The original craftsmanship characteristic of the Mercedes brand means matched segment lengths, proper terminations, and connectors compatible with factory mounting points in the engine bay. Thanks to this, the cable:

• is routed according to the original harness paths,
• minimizes the risk of abrasion and mechanical damage,
• maintains the appropriate distance from hot and moving components.

This solution facilitates installation for mechanics and electricians, shortens work time, and limits the need for system modifications. The used OEM component is a good choice for repairs following a starter or alternator failure, or for harness damage caused by corrosion or overheating.

Benefits of using an original cable

Using an original starter and alternator cable in a W205 diesel engine allows you to maintain the parameters specified by the vehicle manufacturer. In practice, this means:

• secure electrical connections with low resistance,
• better resistance to current loads typical for diesel starting,
• consistency with the rest of the vehicle's electrical system.

Choosing a used OEM component is often more cost-effective than installing replacements with uncertain parameters, especially in such a sensitive area as the starting and charging system.

Application in diesel vehicles

The cable has been developed with diesel units in mind, where starting currents are higher than in gasoline engines. The appropriate design of the cable and its integration with the Mercedes W205 system promote:

• stable starting even at lower temperatures,
• maintaining proper voltage in the onboard system,
• reducing the risk of connection overheating.

As a result, the cable performs well both in daily city driving and on longer trips, where the charging system operates continuously.

Condition, verification and part selection

The item is offered in Used condition, meaning it has been removed from a vehicle but retains functionality suitable for further use. Before installation, it is recommended to perform a standard inspection of the insulation, terminals, and connectors to ensure the cable meets the requirements of the specific vehicle.

To select the correct cable for your car, it is worth comparing the diesel engine configuration, model year, and equipment version with the currently installed component, paying attention to the cable routing path and the type of connectors used.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as power cables, engine harnesses, or starting system connectors, check out the available parts in the Mercedes cables, harnesses and connectors category.

If you want to better understand why original used components from this brand are a reasonable choice in terms of durability and maintenance costs, read the article Mercedes – comfort, prestige, and durability. Why is it worth choosing original used parts?.