Mercedes W212 OM651 Diesel Engine Left Right N/O/S Support Mount A2122406317

Mercedes W212 Engine Mount Bracket Left Right OM651 Diesel is an original part from the engine mounts category, designed for OM651 diesel engines. It provides stable, controlled support for the powertrain, which translates to proper operation of the drivetrain and reduction of unwanted vibrations in the body.

Specifications and technical data

• SKU: A2122406317-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2122406317
• Substitutable numbers: A2122406317, A 212 240 63 17, A2042400317, A 204 240 03 17, A2042404717, A 204 240 47 17, A2122404117, A 212 240 41 17
• Location on the vehicle: Right, Left
• Fuel type: Diesel
• Part type: Engine Mount
• Category: Engine Mounts

Purpose and Function of the Engine Mount

The engine mount bracket in the Mercedes W212 model is responsible for transferring loads from the engine to the body and for maintaining the correct geometry of the drivetrain. This component works with the engine mounts, stabilizing the position of the OM651 unit during acceleration, engine braking, and driving over uneven surfaces.

The presented element is adapted for mounting on both the left and right sides, which facilitates the selection of the appropriate mount depending on the vehicle's configuration. Using the correct bracket allows for:

• reduction of transmitted vibrations to the vehicle's body and interior,
• maintaining predictable behavior of the powertrain under load,
• preserving correct alignment with the gearbox and other drive components.

Compatibility with OM651 Diesel Engine

The bracket has been designed to work with OM651 diesel engines used in the Mercedes W212. This means it is adapted to the operating characteristics of a diesel unit, including higher torque and specific vibrations of such an engine.

Thanks to its design compliant with the manufacturer's standards, the mount retains the factory mounting points and geometry intended for this engine. This facilitates installation and minimizes the risk of stress resulting from improper fit.

Application on Left and Right Side of the Vehicle

The placement on the vehicle includes both the right and left sides, allowing for flexible use of the component depending on the mounting system configuration in a given W212 unit. The correct selection of the bracket for the mounting side is crucial for:

• proper distribution of forces acting on the engine mounts,
• maintaining powertrain stability during load changes,
• limiting excessive engine movement relative to the body.

Using a component that conforms to the manufacturer's design allows for maintaining drivetrain operating parameters close to factory specifications, which is important for both driving comfort and the durability of other components.

Characteristics of a Used Part

The offered Mercedes engine mount bracket is a used part, removed from a dismantled vehicle. Such a part, if in good technical condition, can still provide proper engine support and meet the operational requirements set by the vehicle manufacturer.

Choosing a used mount is often an economically advantageous solution, especially for structural components that do not undergo rapid wear and tear, while still needing to maintain compliance with factory geometry and mounting points.

Why Choose Original Mercedes Engine Mounts

Using original solutions for the engine mounting system directly impacts the engine's operating smoothness and the durability of other components. For the Mercedes W212 with an OM651 engine, choosing a factory engine mount bracket allows for:

• maintaining the designed system stiffness and appropriate vibration damping,
• compatibility with factory engine mounts and other powertrain suspension components,
• reducing the risk of improper installation due to dimensional differences in aftermarket parts of unknown origin.

If you also need other parts from this group, check out the Mercedes engine mounts available in our store to complete the entire set of mounts compliant with the manufacturer's requirements.

Technical Support and Knowledge of Exhaust Systems

When working with diesel engines, it is worth paying attention not only to the mounts but also to the components responsible for exhaust emissions and engine operating smoothness. To expand your knowledge of key components of the exhaust gas recirculation system, we encourage you to read the article EGR: what it is and why consider used EGR valves, in which we discuss the importance of this system for modern diesel engines.