Alternator Generator Mercedes W204 W212 M271 Engine Lucas 150A 14V LRA03506

Visual condition of the part

The product shows signs of use visible in the photos.

Alternator Generator Mercedes W204 W212 M271 Engine Lucas 150A 14V is an efficient power generator designed for petrol engines, specifically engineered for Mercedes vehicles. It offers stable 14V system charging under high electrical loads, ensuring reliable operation of all vehicle components. A used alternator of this class is a sensible choice for charging system maintenance when functionality and precise fitment for a specific model are priorities.

Specifications and technical data

• SKU: A0141541502
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0141541502
• Substitutable numbers: A0141541502, A 014 154 15 02
• Fuel type: Petrol
• Category: Alternators & Generators

Purpose and compatibility with the M271 engine

The presented alternator has been configured to work with the M271 petrol engine used in Mercedes W204 and W212 class models. The generator's design is adapted to the operating characteristics of this unit, ensuring adequate current output at both low and high RPMs. As a result, the ignition system, control units, lighting, and comfort equipment receive stable power supply in typical city and highway driving conditions.

Operating parameters and electrical characteristics

The Valeo alternator from this series operates in a 14V system and offers 150A output, allowing for the safe operation of extensive onboard electronics. This configuration is suitable for more modern equipment versions featuring numerous consumers, such as multimedia systems, heated windows, electric seats, or advanced control modules. Stable battery charging reduces the risk of voltage drops, which is crucial for battery longevity and the proper operation of engine control units.

Benefits of using a Valeo alternator

Choosing a Valeo alternator in the Alternators and generators category primarily ensures predictable performance under typical operating conditions. The manufacturer specializes in electrical equipment, and the generator's construction is designed for long-term operation in the engine bay, where variable temperatures and mechanical loads occur. A used component allows for reduced repair costs while maintaining proper functionality, which is particularly important when servicing older Mercedes W204 and W212 units.

Condition, verification, and service application

The offered alternator is a used part intended for installation as a replacement in vehicles with a petrol engine. Before installation, it is recommended to perform a standard check of the charging system, including the condition of the drive belt, tensioner, and ground connections, to fully utilize the generator's capabilities. A properly selected alternator reduces the risk of failures related to undercharging or overcharging the battery and is a key element of the entire electrical system's reliability.

Expanding the Mercedes charging system

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 additional generators, alternators with different outputs, or compatible charging units, check the available parts in the Mercedes alternators and generators category.

For drivers interested in a broader approach to drivetrain configuration and matching gear ratios to the characteristics of a petrol engine, an article discussing the selection of drive axles and differentials may be useful – you can find more information in the material Dismantled drive axles and differentials – how to choose gear ratios for your driving style, which organizes key concepts and dependencies in this area.