2700301617 BEMWQ Engine Piston for Mercedes Benz X156 GLA 200 W176 W246 M270

2700301617 BEMWQ Engine Piston for Mercedes Benz X156 GLA 200 W176 W246 M270

The BEMWQ Engine Piston (Part No.: 2700301617) is a high-precision internal engine component designed for Mercedes-Benz vehicles equipped with the M270 1.6L turbocharged inline-4 engine (specifically M270.910). It is fully compatible with chassis models including the X156 (GLA 200), W176 (A-Class), and W246 (B-Class). This piston is a critical moving part within the cylinder block that translates the force of expanding combustion gases into mechanical motion via the connecting rod, engineered to meet standard (STD) specifications with an 83mm cylinder bore for accurate engine rebuilding and repair.

• Precision OEM Specification:​ Manufactured to match the original equipment standard 2700301617, ensuring exact dimensions including an 83mm cylinder bore, standard compression height, and a 20mm pin diameter for a seamless fit within the M270 engine block.

• Optimized Combustion Design:​ Features a precision-machined crown profile and specified recess depth designed to optimize the combustion chamber shape, promoting efficient flame propagation and proper clearance with the M270's direct injection valves and piston jets.

• Durable Alloy Construction:​ Crafted from high-strength aluminum alloy (or equivalent), specifically engineered to withstand the extreme heat, high cylinder pressures, and rapid thermal cycling inherent to turbocharged engine operation.

• Ready for Reassembly:​ Engineered as a direct, precision-machined replacement component that aligns perfectly with original piston rings, wrist pins, and connecting rods, facilitating a straightforward installation for engine rebuilds.

• Restored Compression & Power:​ Eliminates issues caused by worn, cracked, or damaged pistons—such as loss of cylinder compression, reduced engine power, excessive blow-by, and increased oil consumption—by restoring the engine’s internal sealing and mechanical integrity.

• Smooth & Balanced Operation:​ Precision balancing and machining help reduce undesirable engine vibration and piston slap noise, contributing to quieter operation and smoother power delivery across the RPM range.

• Reliable Engine Rebuild Foundation:​ Provides a dependable and economical alternative to OEM parts for engine overhaul projects, allowing for the effective repair of high-mileage or internally damaged M270 engines without the need for a full engine replacement.

• Long-Term Durability:​ Offers robust resistance to detonation (knocking) and material fatigue, ensuring the rebuilt engine maintains stable performance and reliability under demanding driving conditions.