Mercedes W204 C218 OM276 OM278 Starter Ring Gear for Flywheel is a precision component from the Flywheels & Gears category, designed for use with OM276 and OM278 engines in Mercedes vehicles. The carefully selected geometry of the ring ensures stable transfer of starting torque and reliable engagement with the starter in vehicles equipped with an automatic transmission, resulting in predictable engine starts and smooth drivetrain operation.
Specifications and technical data
- SKU: A2760300012
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A2760300012
- Substitutable numbers: A2760300012, A 276 030 00 12
- Gearbox type: Automatic
- Category: Flywheels & Flexplates
Intended Use and Function in the Drivetrain
The presented starter ring gear for the flywheel is designed for application in Mercedes C-Class and CLS models of the W204 and C218 generations with OM276 and OM278 engines. This component is responsible for the mechanical coupling of the starter with the flywheel, enabling effective torque transfer during engine starting.
In conjunction with an automatic transmission, the ring gear forms a crucial part of the drivetrain, influencing:
- proper meshing with the starter gear,
- stable engine starting under various operating conditions,
- reduction of undesirable vibrations during the initial phase of engine operation.
Compatibility with Automatic Transmission
The ring gear is designed for use with an automatic transmission, which is important for both parts selection and repair planning. The component's design takes into account the engine starting characteristics of vehicles with automatic transmissions, where smooth load transfer and proper alignment with the flywheel and torque converter are essential.
For workshops and users, this means the component can be used in typical repairs related to:
- wear of the starter ring gear teeth,
- starter engagement issues,
- modernization or replacement of components within the starting system.
Characteristics and Advantages of the Used Component
The offered ring gear is a used part, allowing for an economical restoration of the starting system's functionality while maintaining the original design specifications of the manufacturer. A used component of this type is particularly attractive for vehicles where compliance with factory solutions and precise fitment with the specific engine and transmission configuration are important.
Choosing an original ring gear from the Flywheels & Gears category helps minimize the risk of installation problems and ensures proper alignment with other drivetrain components, which is especially crucial in premium vehicles like Mercedes.
Application in Service and Tuning
Replacing the starter ring gear on the flywheel is often performed during major service work, such as gearbox removal or torque converter servicing. This is a good time to restore full engine starting functionality and eliminate symptoms like noise during startup or occasional engagement issues.
For enthusiasts of mechanical modifications and owners of vehicles with upgraded engine power, it is important that components interacting with the starter and flywheel maintain high quality. In this context, it is worth consulting advice on selecting used parts – practical tips can be found in the article Best Used Parts for Tuning Your Car, which discusses the informed use of pre-owned components in tuning projects.
Related Components and Further Parts Selection
When planning repairs to the starting system in Mercedes vehicles with OM276 and OM278 engines, it is also worth considering the condition of other components that interact with the flywheel, such as the starter motor or gearbox mounts. If you need a wider selection of components from the same group, covering drivetrain parts for vehicles of this brand, check the available parts in the Mercedes Flywheels & Gears category.
