Mercedes W164 W212 W221 Cylinder Head Left N/S M273 Petrol R2730162601

Mercedes W164 W212 W221 Left Engine Cylinder Head M273 Gasoline A2730160005 is an original, used cylinder head from the Cylinder Heads category, designed for M273 series gasoline engines. It provides a solid foundation for professional engine repair or rebuild in popular Mercedes premium class models. Thanks to its factory origin, it ensures correct geometry, fit, and compatibility with the powertrain's accessories.

Specifications and technical data

• SKU: A2730104820
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2730104820
• Substitutable numbers: A2730104820, A 273 010 48 20, R2730162601, R 273 016 26 01
• Location on the vehicle: Left
• Fuel type: Petrol
• Part type: Cylinder Head
• Category: Cylinder Heads

Purpose and Compatibility

The presented left engine cylinder head is structurally adapted for the M273 gasoline engine used in Mercedes SUV and premium segment sedan models. Its placement on the left side allows for direct use in the appropriate cylinder bank, in accordance with the factory configuration of the V-shaped engine. Using an original element from this series facilitates the maintenance of correct engine operating parameters, such as combustion chamber sealing and proper intake and exhaust port routing.

Construction and Role in the Engine System

The engine cylinder head is responsible for guiding the fuel-air mixture, exhausting combustion gases, and collaborating with the timing system. For the M273 engine, precise replication of ports, valve seats, and the mating surface to the block is crucial, impacting the smoothness of operation, performance, and durability of the entire powertrain. The left cylinder head in this engine works with a dedicated camshaft, valve control elements, and the lubrication system, making the choice of the correct, original component significant for subsequent operation.

Application in the M273 Gasoline Engine

The M273 engine is an advanced gasoline unit where cylinder heads operate under demanding thermal and mechanical conditions. The use of a dedicated left-side cylinder head allows for:

• maintaining adequate compression in the cylinders on this side of the engine,
• proper routing of cooling and lubrication channels,
• correct interaction with the ignition and injection systems,
• preserving factory power and torque specifications.

For workshops specializing in the Mercedes brand and for users expecting compliance with factory specifications, a used cylinder head from the original series is a practical solution for partial or comprehensive overhauls.

Condition, Verification, and Preparation for Installation

This part is from a dismantled vehicle and is offered as a used component, allowing for an economical engine rebuild while maintaining the original design. Before installation, standard workshop procedures are recommended, such as checking the flatness of the mating surface, verifying port sealing, and potential refurbishment according to manufacturer procedures. A cylinder head prepared in this way can be safely used in a professional engine repair, ensuring stable long-term operation.

Technical Support and Additional Information

When selecting a cylinder head for a specific vehicle instance, it is advisable to verify compatibility with the engine code and the car's year of manufacture to ensure full compatibility with accessories and control systems. If necessary, comparing the construction with the dismantled part and consulting with a specialized service center dealing with M273 units may be helpful.

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 complete cylinder heads, valve covers, or mounting components, check the available parts in the Mercedes Cylinder Heads category.

For additional practical tips on the operation and servicing of this brand's powertrains, you can refer to the article Reliability under the star – how to care for the engine accessories of popular Mercedes-Benz C and E-Class models?, which discusses common issues and best practices when working with Mercedes gasoline and diesel engines.