Mercedes W212 C218 AMG Rear Axle Differential Diff 2,65 A2183508700 WARRANTY

Listing details

The differential is sold with a 90-day warranty! It was tested before removal and is in full working order.

Mercedes W212 C218 AMG Rear Axle Differential Diff 2,65 is an original, used rear drive axle from the AMG family, designed for installation in the rear axle of Mercedes E-Class W212 and CLS C218 vehicles. The precisely selected 2.65 gear ratio promotes smoother drivetrain operation, ensuring stable engine RPM at higher speeds and comfortable driving characteristics. This is a solution for users who expect factory compatibility, solid construction, and predictable vehicle behavior in daily operation.

Specifications and technical data

• SKU: A2183503800
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2183503800
• Substitutable numbers: A2183503800, A 218 350 38 00, A2183508700, A 218 350 87 00
• Location on the vehicle: Rear
• Category: Differentials

Technical characteristics of the AMG rear differential

The presented component belongs to the Differentials category and is an integral part of the rear-wheel drive system. The applied 2.65 gear ratio influences:

• lower engine RPM during highway driving,
• smoother acceleration from higher gears,
• more comfortable and predictable drivetrain performance.

Its location at the rear of the vehicle allows for a direct connection to the half-shafts and the driveshaft, which facilitates service and diagnostics compared to more complex multi-drive systems.

Application in Mercedes W212 and C218 AMG models

The rear axle with a 2.65 gear ratio was designed for Mercedes E-Class W212 and CLS C218 vehicles in AMG versions, where handling stability and proper tuning with more powerful engines are essential. Thanks to its factory design:

• compatibility with factory mounting points is maintained,
• electronic assistance systems (ESP, ABS, etc.) can operate within the range intended by the manufacturer,
• there is no need to interfere with suspension geometry during proper installation.

This solution is particularly beneficial when replacing a worn or damaged differential with a component that meets factory AMG specifications.

Benefits of using an original rear differential

Using an original rear drive axle in a Mercedes brings a number of practical benefits. The most important include:

• Factory fitment – maintaining the drivetrain characteristics and cooperation with other chassis components as intended by the manufacturer.
• Stable handling – the properly selected gear ratio promotes smooth driving, especially at higher speeds and on longer routes.
• Hassle-free installation – the design intended for the rear of the vehicle limits the need for modifications and reduces workshop time.

A used differential from dismantling is also an economically attractive alternative to new components, allowing you to maintain a high level of vehicle functionality at reasonable repair costs.

Gear ratio selection and practical installation tips

Before purchasing, it is worth verifying the compatibility of the gear ratio with the current vehicle configuration and controller software. The correct choice of the drive axle has a direct impact on:

• the car's throttle response and acceleration dynamics,
• fuel consumption under typical driving conditions,
• automatic transmission operation and gear shifting logic.

To better understand how the rear differential ratio affects car behavior in different driving styles, it is worth checking out the guide: Dismantled drive axles and differentials – how to choose gear ratios for your driving style. The article discusses definitions, configuration examples, and practical tips regarding used components in an accessible way.

Expanding the drivetrain in a Mercedes – Differentials

If you are planning a comprehensive repair or upgrade of the drivetrain in your Mercedes and need other components from the same group, such as additional axles, differentials with different gear ratios, or complete rear drive assemblies, check the available parts in the Mercedes Differentials category.

For older models, where the availability of new components is sometimes limited, the guide on dismantled parts may also be helpful: No parts at the dealership? How to handle repairs of older models using dismantled parts. There, you will find practical tips on how to safely and consciously choose used drivetrain components.