Mercedes W205 M264.915 Petrol Engine Connecting Rod Piston A2640301900

Mercedes W205 M264.915 Petrol Engine Connecting Rod Piston is an original piston-connecting rod assembly component designed for petrol-powered engines. Thanks to its factory-spec geometry and precision manufacturing, it ensures proper interaction with the crankshaft and cylinder head, which translates into stable engine operation and predictable performance. This is the ideal solution for users who want to maintain the structural integrity of the engine and base their repairs on a proven component.

Specifications and technical data

• SKU: A2640301900
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2640301900
• Substitutable numbers: A2640301900, A 264 030 19 00
• Fuel type: Petrol
• Category: Other Engine Parts

Purpose and function in a petrol engine

The presented connecting rod piston operates in the M264.915 series petrol engine used in Mercedes W205 class models. It is responsible for transferring combustion forces from the cylinder chamber to the crankshaft, thereby generating torque. The correct shape of the piston crown, its guidance within the cylinder liner, and its interaction with piston rings are crucial for maintaining compression, reducing oil consumption, and ensuring smooth engine operation.

Selecting a component from the same design family allows for the preservation of factory engine operating parameters, which is particularly important for repairs following seizure, overheating, or localized damage to the piston-connecting rod system.

Benefits of using an original connecting rod piston

Using an original connecting rod piston in the M264.915 petrol engine provides a number of practical benefits, important for both the mechanic and the vehicle owner:

• preservation of the factory geometry of the piston-connecting rod system and proper interaction with the crankshaft,
• proper fitment for the combustion chamber and oil cooling channels,
• material consistency with other engine components,
• easier diagnostics and future servicing thanks to the use of a component compliant with the manufacturer's design.

For workshops, this means predictable assembly and a lower risk of issues after engine reassembly, and for the driver – stable engine performance and the maintenance of the vehicle's operational parameters.

Component condition and service application

The offered connecting rod piston is a dismantled part, which allows for economical engine repair while maintaining the original design specifications. This type of component is particularly useful for:

• localized repairs following damage to a single cylinder,
• rebuilding an engine after a mechanical failure,
• servicing petrol engines where compliance with factory solutions is a priority.

Using a used, original component allows for the optimization of repair costs while maintaining proper fitment with the remaining parts of the drivetrain.

Integration with the Mercedes drivetrain

The connecting rod piston designed for the M264.915 unit works with engine accessories and controls designed for modern Mercedes petrol engines. A correctly selected component supports:

• maintaining the appropriate compression ratio,
• stable operation across the full RPM range,
• effective utilization of ignition and fuel injection maps.

As a result, repairs based on the original connecting rod piston allow for the preservation of engine performance characteristics close to factory standards, which is significant for both the dynamics and the durability of the engine.

Related components and additional technical information

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 connecting rods, piston-connecting rod system components, or small mounting parts, check the available parts in the Other Mercedes category.

When planning repairs for petrol units, it is also worth expanding your knowledge about the design differences between individual series of sports and standard engines – in this context, the article describing the characteristics of high-power units, available at the link Audi RS vs other models – what is hidden under the hood and chassis?, may be helpful.