Mercedes-Benz W212 E63 AMG Transmission Mount Rear A1712400018

The Mercedes-Benz W212 E63 AMG Rear Gearbox Mount is a component from the Engine Mounts group, responsible for the stable support of the drivetrain in the rear of the vehicle. A properly selected and functional mount limits vibrations, improves drivetrain refinement, and contributes to the precision of torque transfer in the demanding E63 AMG model.

Specifications and technical data

• SKU: A1712400018
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1712400018
• Substitutable numbers: A1712400018, A 171 240 00 18
• Location on the vehicle: Rear
• Category: Engine Mounts

Purpose and Function in the Drivetrain

The rear gearbox mount in the Mercedes E-Class W212 generation, E63 AMG version, operates in close proximity to the gearbox, stabilizing its position relative to the body. As a component from the Engine Mounts group, it is responsible for:

• damping vibrations transmitted from the drivetrain to the body,
• maintaining the correct geometry of the gearbox mounting,
• reducing jerks during gear changes and hard acceleration,
• protecting other engine and gearbox mounting elements from excessive loads.

Thanks to proper support at the rear of the drivetrain, the driver experiences more predictable vehicle behavior, and the gearbox operation remains smooth and consistent even during the dynamic driving characteristic of the AMG version.

Vehicle Placement and Installation Significance

This component is designed for installation in the rear of the drivetrain, in the area where the gearbox mounts to the body. Correct seating in this area is crucial for:

• maintaining the alignment of the driveshaft relative to the gearbox and differential,
• limiting unwanted gearbox movements during acceleration and engine braking,
• preserving the factory parameters of the drivetrain operation.

Replacing the rear gearbox mount is particularly recommended when clunks occur during startup, noticeable vibrations are felt in the cabin, or the comfort of gear changes deteriorates. Using a component dedicated to the E63 AMG allows for maintaining the characteristic stiffness and driving precision of this model.

Benefits of Using an Original Mercedes Component

Choosing a Mercedes brand component ensures a perfect fit with factory mounting points and compatibility with the drivetrain design in the W212 E63 AMG. The most significant advantages include:

• maintaining the vibration damping characteristics designed by the manufacturer,
• secure fit with the crossmember and gearbox mounts,
• reducing the risk of incorrect drivetrain alignment relative to the body.

This ensures the mount operates stably across the full range of loads, which is particularly important in a car with high power and torque, such as the E63 AMG.

Application in Service, Repairs, and Tuning

The rear gearbox mount for the W212 E63 AMG is suitable for both standard drivetrain repairs and more advanced mechanical modifications. It is a component worth considering for:

• comprehensive replacement of engine and gearbox mounts,
• drivetrain inspection after a power increase,
• diagnosing excessive vibrations or clunks in the rear of the vehicle.

If you are considering improving your car's performance and want to better understand the impact of drivetrain mounting components on vehicle behavior, the guide on engine modifications will be helpful: How to Increase Engine Power: A Practical Guide to Tuning Engines with Used Parts.

Expanding the Scope of Work on Drive Mounts

If you are planning a comprehensive repair or upgrade of the engine and gearbox area in your Mercedes and need other components from the same group, such as additional mounts, brackets, or drivetrain supports, check the available parts in the Mercedes Engine Mounts category.