Mercedes W204 W207 W212 Alternator Generator Engine Diesel 180A 14V A0009067702

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W204 W207 W212 Alternator Generator Engine Diesel 180A 14V is a factory-original charging system component designed for selected Mercedes models with diesel engines. It ensures a stable power supply for the vehicle's electrical system and proper battery charging under loads typical of modern comfort and safety systems.

Specifications and technical data

• SKU: A0009067702-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0009067702
• Substitutable numbers: A0009067702, A 000 906 77 02
• Fuel type: Diesel
• Category: Alternators & Generators

Purpose and application

The presented alternator belongs to the Alternators and generators category and is dedicated to Mercedes W204, W207, and W212 class vehicles with diesel engines. The current and voltage parameters have been selected to meet the requirements of advanced onboard electronics, including multimedia systems, comfort control units, and active safety systems.

The alternator is suitable both as a replacement for a faulty unit and as a preventive replacement part in heavily used vehicles, where stable charging is crucial for the reliability of the entire electrical system.

Operating parameters and technical characteristics

The charging system based on this alternator provides:

• efficient power generation for diesel engines,
• stable operating voltage within the typical 12 V system range,
• power reserve for additional electrical consumers.

Thanks to its carefully selected operating characteristics, the alternator maintains the proper battery charge level during both city driving and highway conditions, reducing the risk of voltage drops and starting problems.

Benefits of use in Diesel engines

Diesel engines generate higher starting loads and often work with extensive heating systems and additional energy consumers. An alternator designed for Diesel units provides:

• adequate current efficiency for glow plugs and starting assistance systems,
• stable operation at variable engine speeds,
• better resistance to long-term electrical loads.

A charging system component configured in this way increases vehicle reliability in daily operation, especially in urban conditions and with frequent engine starts.

Condition and installation aspects

The offered alternator is a used component, which allows for cost-effective repair of the charging system while maintaining factory operating characteristics. It is intended for installation in place of the original unit, maintaining the existing mounting architecture and electrical connections in the vehicle.

Before installation, it is recommended to perform a standard system verification – checking the condition of the drive belt, pulleys, and ground connections to fully utilize the alternator's potential and avoid secondary faults resulting from faulty associated components.

Technical support and additional information

In case of doubts regarding the selection of the alternator for a specific engine version or model year, it is worth verifying compatibility using the OEM part number and interchangeable numbers available in the technical specifications section. This allows for precise matching of the component to the specific vehicle configuration and avoids installation problems.

If you are planning a comprehensive repair or upgrade of the charging system area in your Mercedes and need other components from the same group, such as additional generators, alternators with different capacities, or compatible mounting components, check the available parts in the Mercedes alternators and generators category.

For drivers who are also considering servicing or replacing drivetrain components, a guide describing typical faults and the principles of selecting used components may be helpful – detailed information can be found in the article Transmission: manual, automatic or DSG – typical faults and a guide to buying a used gearbox.