Engine Mount Mercedes W906 OM651 Left N/S Holder Bracket Bearing A6512231704

Mercedes W906 Engine Mount Left OM651 is a factory-original mount from the engine mounts category, designed for installation on the left side of the engine unit. A properly selected engine mount stabilizes the powertrain, reduces vibrations, and improves operational smoothness, leading to a more comfortable and predictable vehicle experience.

Specifications and technical data

• SKU: A6512231704
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6512231704
• Substitutable numbers: A6512231704, A 651 223 17 04, BG
• Location on the vehicle: Left
• Category: Engine Mounts

Purpose and Function of the Engine Mount

The engine mount in the Mercedes W906 series with the OM651 unit is responsible for the precise transfer of loads from the engine to the chassis and for maintaining the correct geometry of the drivetrain. Its placement on the left side of the vehicle provides stable support for a critical part of the powertrain, which is important for both driving comfort and the durability of adjacent components.

A properly selected mount minimizes:

• excessive vibrations transmitted to the driver's cabin,
• undesirable engine movements during acceleration and engine braking,
• stresses on hoses, electrical wiring, and accessory components.

Benefits of Using an Original Engine Mount

Using an original mount from the engine mounts group in the Mercedes W906 allows for the preservation of the drivetrain's factory operating parameters. The design, tailored to the OM651 unit and the specific left-side mounting point, guarantees:

• correct engine alignment relative to the gearbox and chassis,
• compatibility with factory mounting points,
• interoperability with factory bolts and fastening elements.

This solution is particularly recommended when replacing a worn or damaged mount, especially when you prioritize stable drivetrain operation and reducing noise and vibrations in the cabin.

Component Condition and Installation Aspects

The offered engine mount is a used part, allowing for an economical repair while maintaining proper functionality. By preserving the original geometry and mounting points, installation in a Mercedes W906 with an OM651 engine is predictable for an experienced mechanic and does not require structural modifications.

During replacement, it is recommended to:

• inspect other engine and gearbox mounts,
• check the condition of bolts and threads at the mounting points,
• tighten precisely according to the vehicle manufacturer's recommendations.

Optimizing Drivetrain Durability

A functional engine mount directly impacts the lifespan of accessories, hoses, and the powertrain suspension elements. Combined with regular servicing of the OM651 unit, it helps reduce the risk of additional faults resulting from excessive vibrations or engine displacement. If you want to take a broader approach to maintaining Mercedes engine accessories, consider reading the guide: Reliability Under the Star – How to Care for Engine Accessories in Popular Mercedes-Benz C-Class and E-Class Models?

Expanding Configuration and Selecting Other Mercedes Engine Mounts

For a comprehensive overhaul of your vehicle's drivetrain mounting system, you may also need other components from the same group. If you are looking for other Mercedes engine mounts, check out the Mercedes engine mounts available in our store to select a complete, cohesive solution for the entire system.

For drivers planning vehicle upgrades or modifications using used components, a practical guide on safe tuning may also be helpful: Tuning with Used Parts – How to Gain Performance Without Losing a Fortune. This will help you plan your work more effectively to combine reasonable costs with maintaining an appropriate level of reliability.