Mercedes W213 M274 Petrol Outlet Exhaust Camshaft A2740504600

Mercedes W213 M274 Exhaust Camshaft A2740504600 is a specialized camshaft component designed for gasoline engines, engineered for precise engine operation and stable control of exhaust valve timing. This component from the Camshafts group allows for the restoration of correct camshaft operation in M274 series engines, ensuring uniform cylinder filling and emptying. Thanks to the use of original Mercedes-dedicated design, the camshaft retains the factory performance characteristics of the powertrain.

Specifications and technical data

• SKU: A2740504600
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2740504600
• Substitutable numbers: A2740504600, A 274 050 46 00
• Fuel type: Petrol
• Category: Camshafts

Purpose and Technical Function

The presented exhaust camshaft is responsible for controlling the opening and closing of exhaust valves in the M274 gasoline engine used in the W213 model. Its cam profile, geometry, and interaction with other camshaft components are tailored to the characteristics of the Mercedes engine, which helps maintain proper combustion parameters, smooth running, and stable RPMs.

Replacing a worn or damaged camshaft with a suitable component from the same design group is crucial for:

• maintaining the correct timing of exhaust valve opening,
• preserving proper cylinder filling and emptying,
• reducing vibrations and abnormal noises from the cylinder head area,
• ensuring stable engine operation across the entire RPM range.

Benefits of Use in a Gasoline Engine

Gasoline engines require precise camshaft timing control to maintain optimal torque and combustion efficiency. Using the correct exhaust camshaft in an M274 unit allows for:

• maintaining factory power and torque characteristics,
• proper interaction with engine control systems,
• reducing the risk of uneven idling,
• preserving predictable throttle response.

As a result, the camshaft is an important element for comprehensive cylinder head servicing and restoring full powertrain efficiency after mechanical failures or wear.

Product Characteristics and Service Application

The offered component is from the Mercedes brand, which ensures compliance with the factory design specifications for the given engine. The product is classified as used, which in workshop practice often represents a sensible compromise between repair costs and maintaining original part specifications. This type of component is particularly useful for:

• cylinder head overhaul in M274 gasoline engines,
• rectifying damage from seized or mechanically damaged timing components,
• restoring proper valve train operation after valve-piston collision,
• preventive maintenance on high-mileage vehicles.

Selecting the correct exhaust camshaft for a specific engine configuration is essential to avoid timing synchronization issues and errors registered by the engine control unit.

Integration with the Timing System and Installation Aspects

The exhaust camshaft interacts with components such as lifters, rocker arms, timing chain or belt, and sprockets. Therefore, during installation, the correct procedure for setting timing marks and locks must be followed. A properly selected and installed component:

• ensures correct synchronization between the crankshaft and camshaft,
• reduces the risk of further valve damage,
• allows for maintaining combustion chamber seal through proper valve operation,
• supports the maintenance of stable exhaust emission parameters.

In service practice, installation by an experienced workshop equipped with the appropriate tools for timing component locking and phase verification is recommended.

Expanding Repair Scope and Additional Information

If you are planning a comprehensive engine area repair or upgrade for your Mercedes and require other components from the same group, such as additional camshafts, variable valve timing control elements, or cooperating timing components, check the available parts in the Mercedes Camshafts category.

For users interested in a conscious approach to servicing and utilizing salvaged components to reduce costs and environmental impact, an article describing a practical approach to modifications and repairs may be useful. More on this topic can be found in the material: Eco-Tuning in Practice: How to Increase Performance While Reducing Carbon Footprint with Recycled Parts.