Mercedes R171 W204 W211 Petrol M272 Engine Crankshaft Crank Shaft A2720301701

Mercedes R171 W204 W211 Crankshaft Engine M272 Gasoline is an original part from the Crankshafts group, designed for M272 series gasoline engines in Mercedes vehicles. A used crankshaft of this type allows for a technically correct engine repair while maintaining the factory operating characteristics and high operational refinement of the powertrain.

Specifications and technical data

• SKU: A2720301701
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2720301701
• Substitutable numbers: A2720301701, A 272 030 17 01
• Fuel type: Petrol
• Category: Crankshafts

Purpose and Compatibility

The presented crankshaft is a structural component of the M272 gasoline engine used in Mercedes models from the R171, W204, and W211 series. By maintaining its original geometry and material properties, it ensures proper interaction with pistons, connecting rods, and main and connecting rod bearings, which translates into stable engine operation across the entire RPM range.

Its original Mercedes origin promotes correct fitment to the engine block, minimizing the risk of installation issues and facilitating the maintenance of factory clearances and tolerances. This solution is particularly recommended for professional gasoline engine overhauls where restoring original operating parameters is crucial.

Construction and Role in Engine Operation

The crankshaft from the M272 family is responsible for converting the reciprocating motion of the pistons into rotational motion, which is then transmitted to the drivetrain. Precisely shaped main and crank journals, a carefully balanced design, and an optimized counterweight system reduce torsional vibrations and oscillations, which is important for both engine durability and driving comfort.

A properly selected crankshaft:

• ensures even loading of main and connecting rod bearings,
• maintains stable engine operation at low and high RPM ranges,
• allows for the preservation of factory performance and torque characteristics,
• reduces the risk of excessive vibrations affecting engine accessories.

Benefits of Using an Original Mercedes Crankshaft

Using an original crankshaft in an M272 engine offers a range of practical service and operational benefits. A component originating from the same design family as the factory part ensures:

• reliable fitment to the engine block without the need for structural modifications,
• maintenance of manufacturer-specified assembly clearances after proper bearing selection,
• compatibility with the factory lubrication and oil cooling system,
• the possibility of performing professional powertrain overhauls in accordance with manufacturer technology.

For workshops specializing in Mercedes service and for informed users, this means greater predictability of repair outcomes and easier parameter control after engine assembly.

Application in M272 Gasoline Engines

M272 gasoline engines are modern units used in many Mercedes models, where the crankshaft operates under demanding conditions of dynamic and thermal loads. The correct selection of this component directly impacts:

• idle stability and acceleration smoothness,
• resistance to prolonged operation at higher rotational speeds,
• even distribution of forces within the crankshaft-connecting rod system,
• overall durability of the powertrain after overhaul.

When repairing or upgrading an M272 gasoline engine, choosing an original crankshaft is a technically sound solution that allows for maintaining operating parameters consistent with the manufacturer's design.

Mercedes Crankshafts – Engine System Expansion and Modernization

If you are planning a comprehensive engine repair or modernization for your Mercedes and require other parts from the same group, such as additional shafts, components that work with the crankshaft, or parts for powertrain overhauls, check the available parts in the Mercedes Crankshafts category.

Support for Tuning and Performance Enhancement

In projects related to mechanical engine tuning, the proper condition and selection of the crankshaft are among the key requirements for safely increasing power. A stable foundation in the form of a correctly chosen crankshaft allows for further modifications, such as changes to the intake, exhaust, or engine control unit software.

If you are considering enhancing your car's performance and want to better understand how to use used components consciously, it is worth reading the guide: How to Increase Engine Power: A Practical Guide to Tuning Engines with Used Parts.

Summary

Mercedes R171 W204 W211 Crankshaft Engine M272 Gasoline is a technically advanced component of the crankshaft system, designed for M272 series gasoline engines. Its original Mercedes construction promotes precise fitment, stable engine operation, and predictable repair results, making this crankshaft a valuable choice for professional overhauls or rebuilds of the powertrain.