Mercedes W204 W212 Alternator Generator M272 180A 14V Petrol Engine A0131545602

Mercedes W204 W212 Alternator Generator M272 180A 14V Petrol Engine is an original component from the Alternators and generators group, designed for M272 series petrol engines. It ensures stable charging of the 14V system under high electrical load, which is crucial for the proper operation of all onboard systems in modern Mercedes models.

Specifications and technical data

• SKU: A0131545602
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0131545602
• Substitutable numbers: A0131545602, A 013 154 56 02
• Fuel type: Petrol
• Category: Alternators & Generators

Purpose and compatibility

The presented alternator has been designed to work with M272 petrol engines in Mercedes W204 and W212 class models. The construction, adapted to the requirements of these power units, allows for efficient power supply to electronic systems, comfort features, and additional equipment typical for premium class vehicles.

Thanks to properly selected operating parameters, the alternator maintains stable voltage in the 14V system, which reduces the risk of voltage drops, flickering lights, or starting problems under high electrical load.

Operating parameters and technical characteristics

The alternator offers a current efficiency of 180A, which provides a solid power reserve for extensive onboard electronics. This is particularly important in vehicles equipped with numerous energy consumers, such as advanced multimedia systems, parking heaters, electric seats, or extensive safety systems.

The device works with a 14V electrical system, typical for passenger cars, ensuring proper battery charging and stable power supply for controllers, sensors, and comfort modules. The applied design is adapted to the operating characteristics of the petrol engine, which translates into an appropriate response to changes in RPM and load.

Application in the charging system

The alternator plays a key role in the vehicle's charging system, being responsible for:

• maintaining the proper battery charge level while driving,
• stable power supply for all electrical consumers,
• limiting voltage fluctuations in the system,
• cooperation with engine control systems and safety systems.

A well-selected alternator for the M272 unit allows for maintaining the correct operation of electronics even during intensive vehicle use in urban conditions, with frequent use of additional energy consumers.

Condition, origin, and benefits of choosing a used part

The offered element comes from the Mercedes group and is a used part, which allows for an economical repair of the charging system while maintaining performance characteristics close to factory standards. Choosing an original dismantled alternator is a beneficial solution for users who expect compatibility with the vehicle's installation and proper mechanical fit without the need for modifications.

Using an alternator that meets the requirements of the M272 petrol engine minimizes the risk of charging problems, controller errors, and improper operation of electrical equipment. This is a practical solution for drivers who want to restore full functionality of the charging system in their Mercedes without investing in expensive replacements.

Charging system expansion and related parts

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

You can find more practical information about the possibilities of improving cars using used components in an article dedicated to MINI sports modifications – check the guide on the MINI John Cooper Works version and ways to improve it to better understand the potential of well-selected aftermarket parts.