Mercedes W202 W208 R129 Alternator 14V 115A 0101543202 0123510068

Mercedes W202 W208 R129 Alternator 14V 115A is an original component from the Alternators and generators group, designed for the charging system in Mercedes W202, W208, and R129 class vehicles. This used component ensures a stable power supply for the 12V system, suitable for the electrical and electronic equipment of these models, providing a functional service solution.

Specifications and technical data

• SKU: A0101543202
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0101543202
• Substitutable numbers: A0101543202, A 010 154 32 02, 0123510068, 0 123 510 068, 0101543202, 010 154 32 02
• Category: Alternators & Generators

Purpose and function in the electrical system

The presented alternator is a factory-made Mercedes component, designed to work with engines used in W202, W208, and R129 models. Its task is to convert mechanical energy from the crankshaft into electrical energy, powering onboard consumers and maintaining the proper battery charge level while the engine is running.

The 14V voltage parameters and 115A current output allow for stable operation of the standard equipment in these generations of Mercedes vehicles, including lighting, comfort systems, electronic control units, and additional factory-installed accessories.

Benefits of using an original alternator

Using an original alternator in a Mercedes W202, W208, or R129 ensures compliance with the factory charging system specifications. Proper fitment of the housing, mounts, and electrical connections facilitates installation and minimizes the risk of charging voltage issues or malfunctions in the vehicle's electronics.

Key advantages of this component include:

• factory fitment for the electrical system and engine bay mounts,
• operating parameters matched to the typical load of W202, W208, and R129 models,
• compatibility with factory control units and protection systems.

Condition and service application

The alternator is in used condition, making it an attractive solution for maintenance repairs, restorations, and restoring the functionality of older Mercedes vehicles. This type of component works well both as a replacement for a damaged unit and as an element used in refurbishment projects for vehicles from the late 90s and early 2000s.

By maintaining the original design, it is possible to keep the correct charging characteristics without the need for system modifications, which is particularly important in cars where adherence to factory solutions is a priority.

Application in restorations and youngtimer projects

The 14V 115A alternator for Mercedes W202, W208, and R129 models fits well into restoration and modernization projects for vehicles from the turn of the century, where preserving the original electrical architecture is a priority. Using this component allows for cost optimization while maintaining the proper operating parameters of the charging system.

If you are interested in the broader context of using used components in refreshing older cars, it is worth reading the article The second life of a youngtimer – how used car parts rejuvenate cars from 1998–2012, which describes practical modernization scenarios using original parts from dismantling.

Expanding the charging system in a Mercedes

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