Mercedes W212 W221 Engine Rear Cover Crankcase Supporting Plate M273 A2730100614

The Mercedes W212 W221 Engine Cover Rear M273 is a precisely fitted protective element designed for diesel engines. The rear engine cover stabilizes the equipment assembly, tidies up the engine bay, and improves its functional appearance, which is important for both daily use and servicing. This is a practical solution for users who want to maintain structural and aesthetic consistency in their E-Class W212 and S-Class W221 models.

Specifications and technical data

• SKU: A2730100614
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2730100614
• Substitutable numbers: A2730100614, A 273 010 06 14
• Location on the vehicle: Rear
• Fuel type: Diesel
• Part type: Bracket
• Category: Brackets & Hardware

Purpose and Function of the Rear Engine Cover

The rear engine cover in Mercedes E-Class W212 and S-Class W221 models serves several important structural functions. It is responsible for organizing the rear part of the engine, limiting the ingress of contaminants into critical components, and ensuring stable mounting of parts. This makes engine servicing more predictable, and access to specific mounting points remains clear for the mechanic.

For diesel engines, maintaining proper organization around the engine is particularly important. The rear cover helps maintain the correct routing of mounting elements, which contributes to maintaining the seal and proper operation of adjacent components.

Compatibility with Diesel Engines

The presented cover is designed for engines powered by Diesel fuel, meaning it is adapted to the specific geometry and layout of the equipment in such units. Its placement at the rear of the engine bay requires precise fitting with the block and mounting elements, so using a dedicated component directly impacts the correctness of the installation.

Proper fitting of the rear engine cover is important for, among other things:

• servicing the engine after equipment removal,
• restoring the factory assembly after mechanical repairs,
• maintaining structural consistency in E-Class and S-Class vehicles.

Mounting Characteristics and Role in the Mounting System

This element belongs to the group of Clips and Mounting Parts, which emphasizes its importance in the engine equipment mounting system. The rear cover works with mounting points in the block and cylinder head, creating an organized mounting zone at the rear of the unit. A correctly installed cover:

• stabilizes selected mounting elements,
• reduces the risk of unwanted vibrations in the rear engine area,
• facilitates later identification of service points.

This provides the mechanic with better access to key areas, and maintenance work can be carried out in a more organized manner.

Part Condition and Application in Service Practice

The offered rear engine cover is a used part, making it a sensible choice for repairs where cost-effectiveness is important. For many Mercedes E-Class W212 and S-Class W221 owners, using a used component allows for restoring the correct engine assembly without resorting to more expensive solutions.

This approach is particularly useful for:

• post-accident repairs in the engine bay area,
• comprehensive engine servicing after equipment removal,
• replacing missing cover elements after previous interventions.

Technical Support and Development of Knowledge about Mercedes Models

If you are planning more extensive work on your S-Class Mercedes and want to better understand the structural differences between generations, check out the article Evolution of the Mercedes S-Class – A Review of Generations from W140 to W222 and Thoughtful Selection of Spare Parts. You will find practical information there that helps in selecting the right components for servicing and upgrades.

Our offer also includes other mounting group elements that may be needed for comprehensive engine bay servicing. To quickly verify the compatibility of the presented part with your vehicle, use the data in the "Specifications and Technical Data" section, where parameters such as stock number, manufacturer, origin type, as well as information about placement on vehicle and fuel type are indicated. This will make it easier to assess whether this rear engine cover is the right choice for your Mercedes.