Mercedes R171 W204 Petrol Engine M272 Balance Shaft Counter Weight A2720302772

The Mercedes R171 W204 Engine Balance Shaft for Gasoline M272 Engine is an original part from the Camshafts group, designed for gasoline-powered engines. Engineered by the manufacturer for precise balancing of the M272 engine's operation, it ensures stable running and reduced vibrations under typical operating conditions.

Specifications and technical data

• SKU: A2720302772
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2720302772
• Substitutable numbers: A2720302772, A 272 030 27 72
• Fuel type: Petrol
• Category: Camshafts

Purpose and Function in the M272 Engine

The balance shaft in the M272 gasoline engine is responsible for compensating for inertia forces and reducing vibrations generated by the crankshaft and piston assembly. A correctly selected and fitted component from this group contributes to:

• more stable engine operation across the entire RPM range,
• reduced vibration transfer to the body and drivetrain,
• more even load distribution on cooperating sub-assemblies.

By using an original balance shaft from the Mercedes range, the engine's factory operating characteristics are maintained, which is important for both driving comfort and the durability of other timing components.

Technical Characteristics and Compatibility

The presented shaft belongs to the Camshafts category and is structurally adapted for cooperation with the M272 gasoline engine used in models such as the R171 and W204 series. The use of a dedicated solution from the same product line allows for maintaining:

• correct geometry of cooperation with gears and the timing chain,
• proper lubrication guidance within the shaft and bearing housing,
• compliance with the manufacturer's factory tolerances.

The component is designed for gasoline-powered units, which is important for dynamic loads and the operating characteristics of the entire timing system.

Component Condition and Service Application

The offered balance shaft is a used part, making it an attractive solution for service repairs, engine overhauls, and restoring engine functionality after a timing system failure. In practice, such a component is particularly useful in situations where:

• replacement of a damaged shaft due to mechanical failure is necessary,
• an overhaul of the M272 engine is being performed to restore factory operating parameters,
• an OEM solution with a more favorable cost compared to a new replacement is sought.

Using an original shaft from a dismantled vehicle allows for proper fitment with other system components while reducing the overall cost of the service operation.

Benefits of Using an Original Balance Shaft

Choosing the correct balance shaft for the M272 gasoline engine directly impacts the vehicle's user comfort and the engine's durability. Key benefits of using an original component include:

• maintaining factory running smoothness – reduction of vibrations and noise in the cabin,
• consistency with the manufacturer's design – full compliance with the timing system project,
• optimal load transfer – reduced risk of accelerated wear of cooperating components.

A timing system configured in this way promotes stable engine operation over the long term, which is important for both daily use and higher mileages characteristic of Mercedes vehicles.

Related Components and Additional Information

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other parts from the same group, such as additional shafts, cooperating gears, or other timing components, check the available parts in the Mercedes Camshafts category.

For more extensive repair work on the vehicle, including body parts after a collision or operational damage, it is worth familiarizing yourself with practical tips on selecting used OEM components – a detailed discussion can be found in the article Body and Chassis – Post-Accident Repairs Using Dismantled Parts.