Mercedes W204 W212 C219 M272 Petrol Crankshaft Pulley A2720301501

Description

Mercedes W204 W212 C219 M272 Petrol Crankshaft Pulley is a precision component of the crank-piston system, designed for M272 series petrol engines in Mercedes C-Class, E-Class, and CLS models. This component from the Crankshafts group ensures the proper conversion of the reciprocating motion of the pistons into rotational motion, which directly affects the engine’s refinement and durability. A used crankshaft is a sensible choice for professional engine repair, allowing for cost optimization without compromising the manufacturer’s original design.

Specifications and technical data

• SKU: A2720301501
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2720301501
• Substitutable numbers: A2720301501, A 272 030 15 01
• Fuel type: Petrol
• Category: Crankshafts

Purpose and compatibility with the M272 engine

The presented crankshaft has been designed to work with the M272 petrol engine used in popular Mercedes W204, W212, and C219 models. The shaft’s design is adapted to the characteristics of the V6 engine, including its geometry, dynamic loads, and operating parameters typical of petrol units with higher refinement.

By maintaining the factory geometry of the main and connecting rod journals, the shaft enables proper interaction with the engine block, bearings, and lubrication system. This is crucial for maintaining stable oil pressure, minimizing torsional vibrations, and reducing the wear of mating components.

Construction and performance properties

The crankshaft from this series is characterized by optimized rigidity and a properly selected mass, which promotes smooth engine operation across the entire rev range. The heat and mechanical treatment technology applied to the journal surfaces allows for the smoothness and hardness necessary for operation in demanding hydrodynamic lubrication conditions.

In practice, this means:

• stable torque transmission to the subsequent components of the drivetrain,
• reduced risk of journal scoring with proper oil maintenance,
• better smoothness of the petrol unit at low and medium RPMs.

For the user, this translates into more predictable engine behavior after an overhaul and the possibility of further operation without the need for intervention in the shaft itself, while maintaining standard service intervals.

Application in engine repairs and overhauls

The used crankshaft for a Mercedes with an M272 engine is particularly useful for:

• major engine overhauls following bearing failure,
• engine regeneration after seizing, when the original shaft is no longer suitable for further machining,
• professional repairs performed in specialized workshops dealing with the Mercedes brand.

Choosing an original salvaged crankshaft allows for the preservation of the manufacturer’s factory design solutions, which is important for long-term reliability. Crankshafts in this configuration are designed for high fatigue resistance, which, with proper installation and the correct selection of bearings, enables further trouble-free engine operation.

Benefits of using an original Mercedes crankshaft

Using an original crankshaft in a Mercedes W204, W212, or C219 provides a number of practical benefits:

• Factory fit – maintaining original dimensional tolerances facilitates installation and interaction with the engine block and the crank-piston system.
• Consistency with the manufacturer’s design – the geometry and balancing of the shaft are in line with the design assumptions of the M272 unit, which promotes refinement and reduces vibration.
• Repair cost optimization – a used component allows for a reduction in repair costs compared to a new part, while maintaining the original technical specifications.

For workshops specializing in the Mercedes brand, this is a solution that combines technical correctness with economic viability, especially during comprehensive petrol engine overhauls.

Expanding the scope of repairs – Mercedes Crankshafts

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 additional shafts, mating parts, or components for crank system regeneration, check out the available parts in the Mercedes Crankshafts category.

Expert support in selecting drivetrain components

For advanced drivetrain repairs, covering not only the engine but also further transmission elements, it is worth expanding your knowledge on gear ratio selection and differential configuration. An article describing the practical aspects of matching axles and differentials to driving style may be helpful – you can find it here: Salvaged drive axles and differentials – how to choose gear ratios for your driving style.