Mercedes W164 W212 W221 Cylinder Head Upper Cover Left N/S M273 V8 A2730160005

Mercedes W164 W212 Engine Cylinder Head Cover Upper Left M273 V6 is an original part from the Cylinder Heads category, designed for M273 series V6 gasoline engines. This used, factory cover ensures proper shielding of the upper left side of the cylinder head, stabilizing accessory operation and protecting critical engine components from contamination. It's a practical solution for users seeking a technically matched part for Mercedes W164 and W212 class vehicles.

Specifications and technical data

• SKU: A2730104820-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2730104820
• Substitutable numbers: A2730104820, A 273 010 48 20, A2730160005, A 273 016 00 05
• Location on the vehicle: Left
• Fuel type: Petrol
• Part type: Cylinder Head
• Category: Cylinder Heads

Purpose and Function of the Cylinder Head Cover

The presented cylinder head cover is designed for M273 V6 gasoline engines, where it is responsible for shielding the upper left side of the cylinder head. Its tasks include:

• limiting the ingress of contaminants into the cylinder head chamber,
• stabilizing components mounted on the upper part of the unit,
• organizing the working space within the engine bay,
• maintaining the factory geometry and mounting rigidity.

Thanks to its design tailored to the specific M273 engine series, the cover works with factory mounting points, which facilitates installation and reduces the risk of leaks.

Compatibility with Mercedes W164 and W212

The cover is designed for Mercedes W164 and W212 models equipped with the M273 V6 gasoline engine. Its placement on the left side of the powertrain allows for precise fitting to the factory cylinder head and accessory layout. Using an original part from the same construction group helps maintain:

• technical consistency with other engine components,
• proper routing of wires and auxiliary elements,
• an aesthetic, organized appearance of the engine bay.

This solution is particularly beneficial for collision repairs, replacing a damaged cover, or restoring a vehicle to its factory specifications.

Technical Characteristics and Benefits of Use

The original cylinder head cover from the Cylinder Heads category has been developed for operation under the demanding thermal conditions of a gasoline engine. The design matched to the M273 V6 engine ensures:

• stable mounting at factory points on the cylinder head,
• proper fit to the shape of the upper engine section,
• compatibility with accessories intended for this unit.

Choosing a used original part allows for maintaining proper system operating parameters while reducing costs compared to new parts. It's a practical option for workshops and individual users who prioritize technical compliance with the original Mercedes design.

Item Condition and Application in Service Practice

The cylinder head cover is offered as a used part, making it an attractive solution for routine repairs and restoring the powertrain's functionality after mechanical damage. It is suitable for both professional dealerships and independent workshops where the following are important:

• maintaining the original engine construction,
• the ability to directly install it in place of the damaged part,
• optimizing repair costs while maintaining appropriate quality.

Using factory components within the cylinder head area promotes stable engine operating conditions, which is crucial for the durability of the entire system.

Technical Support 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 covers, mounting elements, or complementary cylinder head components, check the available parts in the Mercedes Cylinder Heads category.

To better understand the impact of properly functioning engine components on its durability and operational safety, it is worth reading the guide article Engine Cooling System – Overheating, Repair, and Used Radiators, which discusses practical aspects of servicing powertrains in popular models.