Mercedes W213 W264 M264 Flywheel Starter Motor Ring Gear Sprocket A2740300212

The Mercedes W264 M264 Flywheel Starter Ring Gear is a precise component of the starting system, designed for W264/M264 series powertrains. Thanks to its factory-set tooth geometry and compatibility with the starter, it ensures stable transfer of starting torque and proper cooperation with the drivetrain. A used OEM component is a sensible choice for professional engine repair or overhaul in Mercedes vehicles.

Specifications and technical data

• SKU: A2740300212
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2740300212
• Substitutable numbers: A2740300212, A 274 030 02 12
• Category: Flywheels & Flexplates

Purpose and Function in the Drivetrain

The presented flywheel ring gear operates at the interface between the starter and the crankshaft, responsible for secure engagement with the starter gear and smooth engine cranking. The appropriately selected tooth profile minimizes the risk of skipping, noise, and excessive wear, which directly impacts the powertrain's running smoothness and the starter's lifespan.

This element belongs to the Flywheels and Gears group, meaning it works with other drivetrain components within the engine, forming a cohesive, mechanically stable system.

Benefits of Using an Original Mercedes Part

Using an original ring gear in a Mercedes engine offers several practical benefits:

• maintaining factory starting parameters and drivetrain operating characteristics,
• precise fit with the starter and flywheel without the need for modifications,
• reducing the risk of tooth damage during frequent starts,
• compatibility with other components of the crankshaft and piston assembly.

For users who expect repeatable, predictable starting parameters, choosing an original component is particularly important, especially in modern engines with advanced engine control.

Used Condition – A Practical Service Solution

The offered ring gear comes from the aftermarket, allowing for economical repair while maintaining the characteristics of an OEM part. A used element of this class is often chosen in situations where rational service cost is important, while preserving the original design and compatibility with factory engine equipment.

This solution is suitable for both standard repairs and more extensive service work, including gearbox removal or drivetrain overhaul.

Application in Tuning and Modifications

Replacing the flywheel ring gear is often part of a larger project involving powertrain or drivetrain modifications. For Mercedes W264/M264 engines, maintaining the condition of starting components is also important when increasing power or changing engine control software. If you are interested in the broader context of using aftermarket components in modification projects, it is worth reading the article Best Used Parts for Tuning Your Car, which discusses a practical approach to selecting used components.

Expanding the System within the Same Group

If you are planning a comprehensive repair or modernization of the engine area in your Mercedes and need other parts from the same group, such as additional gears, coupling elements, or related drivetrain components, check the available parts in the Mercedes Flywheels and Gears category.