Mercedes W204 W207 C219 Camshaft Phaser Wheel Outlet Right O/S M273 A2720510839

Mercedes W204 W207 C219 Camshaft Phaser Wheel Outlet Right is a precision component from the Camshafts group, responsible for the accurate positioning of the exhaust camshaft in the M273 engine. Thanks to the correct pulsing of the camshaft position sensor, it ensures stable engine operation and proper timing synchronization in selected Mercedes C-Class, E-Class, and CLS models.

Specifications and technical data

• SKU: A2720510839
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2720510839
• Substitutable numbers: A2720510839, A 272 051 08 39
• Location on the vehicle: Right
• Part type: Camshaft
• Category: Camshafts

Purpose and function in the timing system

The presented exhaust camshaft phaser wheel works with the camshaft on the exhaust side, generating a reference signal for the engine control unit. A properly selected component of this type:

• ensures correct timing phase control in the M273 engine,
• stabilizes engine operation across the entire RPM range,
• reduces the risk of ignition errors and rough idling,
• supports the correct operation of OBD diagnostic systems.

The placement on the right side of the engine allows for precise matching to the specific engine configuration, which is crucial when replacing components within the timing system.

Compatibility with Mercedes models

The Mercedes W204 W207 C219 Camshaft Phaser Wheel Outlet Right has been designed for use in popular Mercedes models, such as the W204, W207, and C219. This means it can be used in, among others:

• Mercedes C-Class W204 generation with the M273 engine,
• Mercedes E-Class Coupé/Cabrio W207 with the M273 unit,
• Mercedes CLS C219 equipped with the M273 engine.

The selection of the correct component for a specific body version and engine should always be confirmed based on the vehicle's technical data and the part number in the specification.

Technical characteristics and installation

The element belongs to the Camshafts group but performs the specialized function of a phaser wheel working with the camshaft position sensor. The design is intended for installation on the right side of the engine, which requires maintaining the correct orientation during installation.

When replacing, it is recommended to:

• check the condition of the camshaft and cooperating sensors,
• verify the correctness of the timing setting before the first start-up,
• perform computer diagnostics to verify signals from the camshaft sensors.

This approach minimizes the risk of re-disassembly and allows for quick confirmation of the correct cooperation of the new component with the engine electronics.

Benefits of using an original Mercedes component

Using an original phaser wheel in the M273 engine allows for maintaining the factory operating parameters of the engine. The main advantages include:

• precise geometric fit to the camshaft and position sensor,
• consistency with the engine control unit software used in the Mercedes W204, W207, and C219,
• reduced risk of diagnostic errors related to an incorrect signal from the camshaft,
• possibility of direct replacement in place of the factory-installed component.

A used, original component of this class represents a reasonable compromise between the cost of repair and maintaining high quality and compliance with factory specifications.

Area of application and selection of other timing components

The exhaust camshaft phaser wheel operates in a critical area of the engine, which is the timing system. In the case of major service work, it is worth considering a comprehensive verification of the entire system, including camshafts, phase control elements, and cooperating sensors. 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 camshafts, phaser wheels, or phase control elements, check the available parts in the Mercedes Camshafts category.

Substantive support and timing diagnostics

When working with the timing system, it is worth using reliable sources of knowledge regarding symptoms of wear, repair costs, and the selection of used parts. A good point of reference may be an article describing typical problems with the timing chain in BMW units, which discusses, among other things, symptoms of wear and the cost-effectiveness of using dismantled parts – more information can be found in the material BMW N47 timing chain – typical failure and repair using original BMW parts. Although it concerns a different brand, it allows for a better understanding of the importance of proper diagnostics and component quality in every modern engine.