Mercedes-Benz E-Class W211 E 270CDI Rear Differential Diff 2,65 Ratio WARRANTY

Mercedes-Benz E-Class W211 E 270CDI Rear Differential Diff 2,65 Ratio WARRANTY with a 2.65 gear ratio is a precision-engineered drivetrain component responsible for efficiently transferring torque to the rear wheels. This solution is dedicated to the rear axle, allowing for stable handling, predictable vehicle behavior, and comfortable drivetrain operation even under intensive use. By maintaining the factory gear ratio specification, the differential ensures consistency with the characteristics of the 2.7 CDI engine and the automatic or manual transmission intended for this model.

Specifications and technical data

• SKU: A2113509014
• Mark: Mercedes (Genuine OE)
• OEM Part Number: A2113509014
• Substitutable numbers: A2113509014, A 211 350 90 14, A2303510508, A 230 351 05 08
• Location on the vehicle: Rear
• Category: Differentials

Purpose and drivetrain compatibility

The presented rear differential has been developed specifically for the Mercedes-Benz E-Class W211 E 270 CDI model, designed for installation on the rear axle. Its placement in the rear of the vehicle allows for direct integration with the existing axle shafts and driveshaft, without the need for modifications to the body or suspension structure.

The factory 2.65 gear ratio promotes calm, economical highway driving while maintaining appropriate dynamics in the mid-RPM range. For the user, this means:

• lower engine RPM at higher speeds,
• more comfortable interior acoustics,
• consistent operation with the factory drivetrain control software.

Construction and operating characteristics

The differential from this series belongs to the Differentials category, meaning it is a complete rear axle final drive, integrated with a housing adapted to the factory mounting points of the Mercedes E-Class W211. The construction based on a bevel gear ensures smooth torque distribution to both wheels, which translates into predictable vehicle behavior in corners and during acceleration.

A properly selected final drive ratio:

• stabilizes drivetrain operation under various loads,
• reduces unwanted jerking during gear changes,
• allows for maintaining factory acceleration and top speed parameters.

Benefits of using a dedicated differential

Using a differential with the correct gear ratio in a Mercedes E 270 CDI is crucial for the durability of the entire drivetrain. Selecting a component that complies with factory specifications reduces the risk of excessive load on the transmission, joints, and axle shafts, and minimizes the possibility of errors in electronic systems (e.g., ESP, ABS, ASR).

The main advantages of installing this differential include:

• maintaining the driving characteristics intended by the manufacturer,
• proper cooperation with factory drivetrain controllers,
• the ability to directly replace a worn or damaged rear axle.

Professional selection and part number compatibility

The item has a dedicated OEM part number and associated interchangeable numbers, which facilitates verification of compatibility with a specific vehicle configuration. Before purchasing, it is worth comparing the markings with service documentation or the differential's identification plate to ensure that the selected component will be fully compatible with your E-Class W211. This minimizes the risk of installation problems and the need for additional modifications.

If you are planning a comprehensive repair or upgrade of the drivetrain area in your Mercedes and need other elements from the same group, such as axle housings, final drives, or complete differential assemblies, check the available parts in the Mercedes Differentials category.

Technical support and knowledge about gear ratios

Selecting the right gear ratio has a direct impact on the car's character – from acceleration dynamics to fuel consumption. If you want to better understand how the 2.65 ratio fits your driving style and what the alternatives are within the same platform, check out the guide Dismantled drive axles and differentials – how to choose gear ratios for your driving style, where you will find practical tips, definitions, and examples of configurations used in various models.