Mercedes GLE GLS W166 X166 Transfer Box Transfer Case A2512802900 WARRANTY

Listing details

The gearboxes are sold with a 90-day warranty! They were tested before removal and are in full working order.

Mercedes GLE GLS W166 X166 Transfer Box Transfer Case is a precision drivetrain component designed for Mercedes vehicles equipped with an automatic transmission. It is responsible for the efficient distribution of torque between the axles, ensuring stable handling, predictable traction, and safe operation of the drivetrain in various road conditions.

Specifications and technical data

• SKU: A2512802900
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2512802900
• Substitutable numbers: A2512802900, A 251 280 29 00
• Gearbox type: Automatic
• Category: Transfer Cases

Purpose and function in the drivetrain

The transfer case in the GLE and GLS W166 / X166 series models works in close cooperation with the automatic transmission, responsible for transferring power to the front and rear axles. A correctly selected component from this group:

• stabilizes drivetrain operation on slippery surfaces,
• limits wheel slip during dynamic acceleration,
• ensures predictable vehicle behavior at higher speeds,
• supports electronic systems responsible for traction and stability control.

Thanks to this, the transfer case has a direct impact on driving comfort, safety, and the performance of the entire 4×4 system in Mercedes SUV class vehicles.

Compatibility with automatic transmission

The presented component is adapted to work with an automatic transmission, which is crucial for proper integration with the vehicle's factory software and control units. In practice, this means:

• consistent operation with gear shifting logic,
• correct response to driving modes (comfort, sport, off-road – depending on the car's configuration),
• appropriate load distribution in the drivetrain,
• reduced risk of malfunction in driver assistance systems.

Selecting a transfer case dedicated to an automatic transmission allows for maintaining factory drivetrain performance parameters, which is particularly important in heavier premium segment vehicles.

Characteristics of the used component

The offered transfer case comes from a group of used components, which allows for significantly reducing repair costs compared to purchasing a new part. This type of solution is often chosen for:

• mechanical failure of the transfer case in a vehicle used intensively,
• post-accident repairs involving the drivetrain,
• service cost optimization while maintaining the original design.

Choosing a used OEM component is a reasonable alternative to remanufacturing, especially when the time to restore the vehicle to full efficiency and maintaining factory design specifications is a priority.

Benefits of using an original transfer case

Using an original transfer case in a Mercedes GLE or GLS provides a number of practical benefits:

• Factory fit – compatibility with the drivetrain design and body mounts.
• Consistent cooperation with electronics – proper communication with control modules and safety systems.
• Stable operating parameters – predictable drivetrain behavior in daily use and on the road.
• Reduced risk of modifications – no need for mechanical adaptation or interference with the installation.

For users expecting to maintain the handling characteristics typical of Mercedes SUVs, installing an original transfer case is a technically safe and long-term cost-effective solution.

Technical support and part selection

When choosing a used drivetrain component, it is worth paying attention to compatibility with the transmission type, drive version, and vehicle configuration. A detailed discussion on the cost-effectiveness of purchasing used transmission components, the differences between manual and automatic transmissions, and compatibility issues can be found in the article: Used transmission – when is it worth it and what you need to remember.

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 additional transfer cases, alternative transfer case variants, or compatible components working with the drive, check the available parts in the category Mercedes transfer cases.