Mercedes R171 Intake Camshaft Left N/S M272 Petrol Engine A2720501301

The Mercedes R171 Intake Camshaft Left M272 is a precision timing component designed for gasoline engines of this series. As part of the Camshafts group, it is responsible for precise control of the intake valve opening phases on the left side of the engine, which translates to stable engine operation and proper cylinder filling with the fuel-air mixture. A used OEM component allows for a technically correct replacement of a worn camshaft without altering the cylinder head structure.

Specifications and technical data

• SKU: A2720501201
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2720501201
• Substitutable numbers: A2720501201, A 272 050 12 01
• Location on the vehicle: Left
• Fuel type: Petrol
• Part type: Camshaft
• Category: Camshafts

Purpose and Function in the M272 Engine

The presented left intake camshaft is specifically designed for M272 series gasoline engines used in Mercedes models. It controls the intake valves on the left side of the cylinder head, ensuring:

• correct synchronization of valve openings with piston positions,
• stable cylinder filling with the mixture,
• smooth engine operation across the entire RPM range,
• maintenance of factory power and torque parameters.

Thanks to the original lobe geometry, the camshaft works with the factory timing system, which is crucial for the proper operation of a gasoline engine.

Benefits of Using an Original Camshaft

Using an original intake camshaft in a Mercedes with an M272 engine preserves the factory operating characteristics of the powertrain. Key benefits include:

• Precise Fit to the Cylinder Head – no need for modifications to seats, bearings, or associated components.
• Compatibility with the factory timing system – maintaining correct operation of valve timing adjustment systems.
• Reduced risk of improper lubrication and excessive wear of cooperating parts.
• Ability to restore proper engine running characteristics after a failure or wear of the previous camshaft.

For users expecting durable and predictable powertrain performance, choosing an original part from the Camshafts group is a technically safe solution that aligns with the manufacturer's design intentions.

Vehicle Placement and Compatibility

The camshaft is intended for installation on the left side of the cylinder head in the gasoline engine, which is important for both part selection and the replacement process itself. Correctly identifying the installation side helps avoid issues with:

• incorrect timing phase settings,
• incompatibility with control elements,
• excessive load on the valve train.

When selecting this camshaft for a specific Mercedes model, it is important to check compatibility with the M272 engine and fuel type to ensure full functionality of the timing system.

Component Condition and Service Application

The offered camshaft is a used component, making it an attractive service alternative for engine repairs, cylinder head overhauls, or replacement of a damaged camshaft after a lubrication failure. It is particularly suitable for situations where:

• a quick restoration of powertrain functionality is necessary,
• an economical solution is sought while maintaining the original design,
• compliance with factory gasoline engine operating parameters is important.

Selecting the correct left intake camshaft helps reduce the risk of secondary damage within the cylinder head and ensures stable operation of the valve train.

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 exhaust camshafts, right intake camshafts, or additional timing components, check the available parts in the Mercedes Camshafts category.

To better plan service work on your vehicle and understand the impact of component condition on safety and driving comfort, it is worth consulting the guide on suspension – practical tips can be found in the article Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers.