Mercedes W204 W212 Gearbox Mount OM651 Transmission Bracket Holder A2122400818

Mercedes W212 OM651 Transmission Mount Bushing is a part from the Engine Mounts category, designed for the drivetrain in Mercedes vehicles with the OM651 engine. This used OEM part ensures a factory fit, stable support for the powertrain, and reduced vibrations transmitted to the body, resulting in smoother and more predictable drivetrain operation.

Specifications and technical data

• SKU: A2122400818
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2122400818
• Substitutable numbers: A2122400818, A 212 240 08 18
• Category: Engine Mounts

Purpose and Function in the Drivetrain

The transmission mount bushing in the Mercedes W212 with the OM651 engine is responsible for the rigid yet flexible mounting of the gearbox to the vehicle's structure. A properly selected element of this type:

• stabilizes the gearbox position relative to the body,
• reduces the transmission of vibrations and tremors to the cabin,
• supports the correct drivetrain geometry,
• lessens the load on other engine and gearbox mounts.

This ensures predictable drivetrain operation, with smoother gear changes and more responsive reactions to load.

Benefits of Using an Original Transmission Mount Bushing

Using an original part from the Engine Mounts category for the Mercedes W212 with the OM651 engine allows you to maintain the parameters specified by the vehicle manufacturer. Key benefits include:

• Factory Fit – maintaining the correct gearbox position without the need for modifications to the mounts.
• Compatibility with Other Mounts – the bushing works in conjunction with other engine and gearbox mounts, ensuring the correct alignment of the entire powertrain.
• Reduced Noise and Vibrations – a properly selected element minimizes the transmission of vibrations to the vehicle's body and interior.
• Safe Drivetrain Operation – stable gearbox mounting reduces the risk of excessive movement during hard acceleration or engine braking.

Professional Selection and Application in Mercedes W212 OM651

The transmission mount bushing designed for the Mercedes W212 with the OM651 engine is a particularly beneficial solution for replacing worn or damaged mounts. By choosing this part:

• you maintain compliance with the original Mercedes vehicle construction,
• you minimize the risk of improper fit with the subframe and other mounts,
• you ensure predictable powertrain behavior across the full range of loads.

This solution is recommended for both standard servicing and post-collision repairs, where restoring the original gearbox mounting geometry is crucial.

Condition of Used Part and Technical Aspects

The offered transmission mount bushing is a used part, allowing for an economical restoration of the mounting system's functionality in the Mercedes W212 with the OM651 engine while retaining the characteristics of an OEM component. In practice, this means:

• retention of the original design and mounting points specified by the manufacturer,
• possibility of installation in place of the original part without additional adaptations,
• favorable cost-to-functionality ratio compared to non-original aftermarket parts.

When replacing the transmission mount bushing, it is recommended to simultaneously inspect other engine and gearbox mounts to ensure even load distribution throughout the system.

More Solutions for Mercedes Mounts

If you are planning comprehensive servicing of your Mercedes' powertrain mounting system and are also interested in other parts in this group, such as additional brackets or mounts that work with the engine and gearbox, check out the available parts in the Mercedes Engine Mounts category.

Related Technical Topics

Stable powertrain mounting works in conjunction with other vehicle systems, including exhaust emission control systems. If you want to better understand how components like the exhaust gas recirculation valve affect engine performance and when it's worth considering used parts, read the article EGR: What It Is and Why Consider Used EGR Valves.