Starter Mercedes W204 W212 Diesel OM642 Starter Motor 1005831549

Starter Mercedes W204 W212 Diesel OM642 Starter Motor is a starting system component designed for diesel engines, engineered for stable and repeatable engine ignition. As part of the Starter Motors group, it provides the proper torque for a diesel engine, which translates into a reliable start in various operating conditions. Using an OEM component is a sensible choice for professional repairs when you want to maintain the factory characteristics of the starting system.

Specifications and technical data

• SKU: 1005831549
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: 1005831549
• Fuel type: Diesel
• Category: Starter Motors

Purpose and function in the starting system

The starter in the OM642 diesel engine is responsible for dynamically accelerating the crankshaft to the speed necessary to initiate the combustion process in the diesel unit. In Mercedes W204 and W212 class vehicles, the starting system is particularly stressed due to the high compression ratio, which is why using a component with factory-compliant parameters is crucial for reliability.

A properly selected starter for a diesel engine:

• ensures the correct torque when starting a cold engine,
• stabilizes the starting process during frequent ignition in city cycles,
• reduces the risk of electrical system overload during startup.

Benefits of using an original Mercedes starter

Using a starter dedicated to the Diesel OM642 unit allows you to maintain the factory operating parameters of the drive system. The original design is engineered for specific loads and engine characteristics, which translates into:

• consistency with factory controls and electrical safety features,
• proper cooperation with the flywheel and engine accessories,
• reduced risk of excessive vibration and noise during startup.

For the user, this means more predictable vehicle starting, which is particularly important in diesel engines that require a stable and energetic start.

Characteristics of the used product

The presented starter is a used component, which is an attractive cost-effective solution while maintaining the manufacturer's original specifications. Such components are frequently chosen in professional workshops for repairs of older vehicles, where the balance between price and compliance with the factory design is important.

Choosing a used OEM starter for a Mercedes allows you to:

• maintain the consistency of the drive system with other factory elements,
• limit the risk of problems resulting from imprecise fitment of aftermarket parts,
• preserve the starting characteristics intended for the given engine unit.

Professional application in OM642 diesel engines

Diesel engines require greater resistance to loads from the starter than gasoline units, which is why selecting a component according to its intended use is significant for the durability of the entire system. The starter dedicated to the Mercedes with the OM642 unit has been designed for:

• operation under high resistance torque conditions during startup,
• frequent start-stop cycles in city traffic,
• cooperation with an electrical system optimized for a diesel engine.

Thanks to this, it is a suitable choice both for standard maintenance replacement and for broader service work in the engine area.

Repair expansion – Mercedes Starter Motors

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 starter housings, one-way clutches, or mounts, check the available parts in the Mercedes Starter Motors category.

Substantive support for selecting used parts

When planning a repair using dismantled components, it is worth considering the general principles of selecting used OEM elements, inspection procedures, and good assembly practices. Additional information on the safe use of second-hand parts in vehicle repairs can be found in the article Bodywork and chassis – post-accident repairs using dismantled parts, which discusses the approach to used sub-assemblies in the context of repair quality and durability.