Engine Mount Mercedes W204 OM651 Left N/S Holder Bracket Bearing A6512230004

Engine Mount Mercedes W204 OM651 Left N/S Holder Bracket Bearing is a precision component from the Engine mounts category, designed to provide stable support for the power unit on the left side of the vehicle. A properly selected mount reduces vibrations, improves engine refinement, and contributes to driving comfort and the durability of other components.

Specifications and technical data

• SKU: A6512230004
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6512230004
• Substitutable numbers: A6512230004, A 651 223 00 04, BG
• Location on the vehicle: Left
• Category: Engine Mounts

Purpose and function of the engine mount

The presented engine mount is designed for installation on the left side of the engine bay in Mercedes vehicles equipped with the OM651 unit. Its task is to transfer loads from the engine to the chassis while dampening vibrations and limiting unwanted movement of the powertrain during acceleration, braking, and gear changes.

A properly selected mount in the Engine mounts category helps to:

• reduce the transmission of vibrations to the chassis and cabin interior,
• stabilize the position of the power unit relative to the drivetrain,
• reduce stress on hoses, wiring harnesses, and engine accessories,
• limit noise and unpleasant jerking during starting and gear changes.

Construction and fitment for Mercedes W204

The bracket has been designed specifically for the body and powertrain architecture of the Mercedes W204, ensuring correct mounting geometry and compatibility with factory mounting points. The design intended for the OM651 engine guarantees proper distribution of forces and moments acting on the powertrain.

The component is part of the original engine support system, which translates into:

• proper fitment with the subframe and engine block,
• maintenance of factory power unit alignment angles,
• stable cooperation with other engine mounts and transmission mounts.

Performance characteristics and benefits of use

As a component from the Engine mounts category, this left engine mount directly affects perceived driving comfort and the protection of components in the engine bay. A properly functioning mount limits excessive power unit movement, which is particularly important during dynamic operation and frequent city driving.

Key benefits of using this component include:

• more stable powertrain operation across the entire RPM range,
• reduced risk of damage to cables, hoses, and accessory components,
• better feeling of smoothness when starting and changing loads,
• maintenance of factory operating parameters for the Mercedes W204 drivetrain.

Condition of the component and installation aspects

The offered engine mount is a used original component, which allows for maintaining consistency with the vehicle's factory design. In practice, this means it fits serial mounting points and can be installed without the need for modifications to the body or engine block.

Before installation, it is recommended to perform a standard verification of the condition of mounting surfaces, threads, and cooperating components from the Engine mounts category to ensure even support of the power unit and avoid stresses resulting from improper tightening or wear of adjacent components.

Complementary components and technical knowledge

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as additional mounts, brackets, or other power unit support points, check the available parts in the Mercedes engine mounts category.

When working with the power unit, it is worth expanding your knowledge on component selection; therefore, a guide on purchasing used power units may be helpful – you can find it in the article How to buy a used car engine without getting scammed – a step-by-step guide, which discusses practical aspects of assessing the condition and operation of engine components.