Mercedes W177 Engine Alternator Generator M282 A0009000346

Mercedes W177 Engine Alternator Generator M282 is an original component from the Alternators and generators group, designed for petrol engines. This used OEM part ensures proper charging of the electrical system, stable operation of accessories, and compliance with the factory requirements of the Mercedes powertrain.

Specifications and technical data

• SKU: A0009000346
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0009000346
• Substitutable numbers: A0009000346, A 000 900 03 46, A 000 900 04 46, A0009000446, A0009014526, A 000 901 45 26, A0009044704, A 000 904 47 04
• Fuel type: Petrol
• Category: Alternators & Generators

Purpose and function in the electrical system

The alternator in the Mercedes W177 with the M282 engine is responsible for converting the engine's mechanical energy into electrical energy, powering all key electrical consumers, and maintaining the correct battery charge level. In petrol versions for which this component is intended, voltage stability under variable loads is particularly important – from the operation of ignition systems and safety systems to advanced comfort electronics.

Benefits of using an original alternator

Using an original alternator in a Mercedes W177 allows you to maintain the parameters specified by the vehicle manufacturer. The appropriate charging characteristics, matched to the petrol engine, reduce the risk of voltage drops, control unit errors, and accelerated battery wear. A used OEM part also offers the possibility of an economical repair while maintaining the factory design and compatibility with the vehicle's electrical system.

Performance parameters and fitment

The alternator has been designed to work with the M282 petrol engine, which means it is matched to the rotational characteristics and loads typical for this unit. The design provides for cooperation with factory belt drive accessories, ensuring that installation is orderly and predictable for the workshop. Proper electrical connectors and mechanical mounts facilitate integration with the existing wiring harness and brackets in the engine bay.

Condition, verification, and service application

The component is in used condition, which allows for a cost-effective restoration of the charging system's efficiency in the vehicle. This type of alternator works well for both routine repairs and planned preventive replacements, where the priority is to maintain the original specification while optimizing the service budget. Choosing an original element from the Alternators and generators category reduces the risk of fitment issues and operational parameter mismatches.

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 alternators, generators, or related charging modules, check the available parts in the Mercedes alternators and generators category.

Support in selecting a used alternator

When choosing a used alternator for a Mercedes W177, it is crucial to match it to the specific engine version and the vehicle's electrical system. In practice, this means verifying the OEM part number and available interchangeable numbers, as well as comparing the design with the removed part. For users who want to streamline the purchasing process and avoid common mistakes when selecting used components, the guide Safe online purchase of used car parts – a step-by-step guide, which describes the part selection strategy step by step, including working with OEM and reference numbers, will be helpful.

Summary

Mercedes W177 Engine Alternator Generator M282 is an original, used charging system component designed for petrol engines, allowing for the restoration of proper electrical system operation while maintaining factory parameters. Choosing this component is a sensible solution for drivers and workshops that expect vehicle compatibility, predictable installation, and technically correct charging system operation without the need to resort to replacements with uncertain specifications.